77 Commits

Author SHA1 Message Date
c8679fca85 remove MSVC warning 2021-10-10 19:56:33 +02:00
f0ada1ba8c add MSVC 16 compatibility 2021-10-10 19:06:41 +02:00
09b01af3fa fix find_package use and debug access alignment check 2021-08-26 22:10:27 +02:00
9c8b72693e correct trap ids of access faults 2021-08-20 09:02:56 +02:00
c409e7b7ca adapt to fixed handling of SystemCPackage 2021-08-19 13:38:29 +02:00
2f05083cf0 fix elf loader and pmp check for debug accesses 2021-08-19 10:50:25 +02:00
e934049dd4 fix inconsistency due to PA adaptation 2021-08-16 17:55:14 +02:00
94f796ebdb add install target and PA compatibility 2021-08-16 17:02:31 +02:00
836ba269e3 fix clic reset values 2021-08-16 15:05:05 +02:00
c8681096be update vm_tgfs_c to match CoreDSL 2021-08-14 10:57:36 +02:00
adeffe47ad fix behavior of riscv_hart_mu_p to match TGC_D 2021-08-12 20:34:10 +02:00
d95846a849 fix trap handling if illegal fetch (PMP) and U-mode CSRs 2021-08-01 17:23:22 +02:00
af887c286f fix for #2 2021-07-28 09:09:08 +02:00
4ddf50162c make library naming consistent 2021-07-27 15:55:08 +02:00
da819d8890 fix SystemC lib handling in build system 2021-07-27 12:25:31 +02:00
5ef5d57d30 Merge branch 'tmp' into develop 2021-07-27 10:49:35 +02:00
d7bddd825c add clic CSRs 2021-07-27 10:47:48 +02:00
15f46a87db adapt core_complex to use scv-tr (scc commit id a3cde47) 2021-07-27 09:38:05 +02:00
fc1ae4d57d update build system 2021-07-26 12:03:52 +02:00
d0f3a120fd fix naming in MU wrapper 2021-07-19 16:26:23 +02:00
c592a26346 fix mepc mask 2021-07-09 13:01:22 +02:00
e68918c2e8 fix instruction decode 2021-07-09 07:37:12 +02:00
473f8a5a17 fix privilege behavior 2021-07-07 11:30:00 +02:00
2f4b5bd9b2 fix detailed behavior of TGC_C 2021-07-06 21:19:36 +02:00
23b9741adf refine and fix TGC_C iss to becoem compliant 2021-06-29 11:51:30 +02:00
5d8da08ce5 fix linker issue
the root cuase of the issue is the template paramter deduction which led
to the wrong template parameter.
2021-06-26 14:30:36 +02:00
a249aea703 getting rid of the error: reference to 'wait' is ambiguous 2021-06-25 13:35:42 +02:00
e432dd8208 fix handling of exceptions while accessing address spaces 2021-06-07 22:22:36 +02:00
8c385647dd remove redundant code from checked in generated sources 2021-05-26 23:06:31 +02:00
aaceecd5dc fix mu_p platform features and CSRs 2021-05-17 09:20:09 +02:00
4b3f5a6b0c add missing change 2021-05-16 16:44:30 +02:00
d41e1d816a add factory for ISS and use it in main.cpp 2021-05-16 16:44:14 +02:00
a35974c9f5 make cpu type in core_complex configurable 2021-05-16 15:06:42 +02:00
9c456ba8f2 initial version of MU hart 2021-05-14 13:29:39 +02:00
c57884caee small fix 2021-05-13 16:01:04 +02:00
cf7b62a3f9 update names 2021-05-13 15:54:48 +02:00
f2bf6d682a fix build setup 2021-05-13 14:03:10 +02:00
a1fa8877f7 make core name a cmake option 2021-05-13 09:32:38 +02:00
391f9bb808 remove unneeded constants 2021-05-08 15:14:19 +02:00
ef02dba8c5 add read misa callback 2021-04-09 11:20:51 +02:00
2f4cfb68dc update to latest SCC 2021-04-07 18:56:46 +02:00
7009943106 fix wait for interrupt. Adapt for new SCC structure 2021-04-07 17:42:08 +02:00
0a76ccbdac make RSP register response independend of register definition 2021-03-31 07:48:46 +00:00
32e4aa83b8 use extracted variables 2021-03-27 09:36:52 +00:00
78c7064295 update groovy template to extract used registers 2021-03-26 08:24:45 +00:00
412a4bd9bb update name 2021-03-23 17:13:32 +00:00
b0bcb7febb small fixes for robustness and readability 2021-03-22 22:47:30 +00:00
51fbc34fb3 change namespace of core complex 2021-03-22 11:57:40 +00:00
4e0f20eba0 rework abort conditions 2021-03-17 19:32:57 +00:00
ff3fa19208 fix RVM description bugs 2021-03-13 10:46:41 +00:00
80057eef32 fix RVC description bugs, remove paged fetch 2021-03-13 10:46:41 +00:00
a5186ff88d optional dependency to TGF_B_src target 2021-03-12 11:16:24 +01:00
f4ec21007b fix signedness issues 2021-03-11 16:12:28 +00:00
ac8eab6e25 update RISC-V desciptions 2021-03-10 17:31:10 +00:00
768716b064 fix another missing XLEN 2021-03-09 11:07:56 +00:00
bea0dcc387 update missing XLEN 2021-03-09 11:03:37 +00:00
a6691bcd3c update generated code with correct sign extension 2021-03-09 10:21:36 +00:00
40db74ce02 remove tgf_b code generation 2021-03-07 16:26:14 +00:00
c171e3c1ba update CoreDSL descriptions 2021-03-07 10:51:15 +00:00
c251fe15d5 fix desscriptions to conform to ISA spec version 20191213 and TGF-C 2021-03-07 10:51:00 +00:00
dae8acb8a3 checkpoint before refactor 2021-03-06 07:17:42 +00:00
f7cec99fa6 adapt to changes in SCC 2021-03-01 21:08:18 +00:00
be0e7db185 fix templates to comply with CoreDSL2 2021-03-01 21:07:20 +00:00
4aa26b85a0 adapt to change in SCC 2021-03-01 06:36:27 +00:00
9534d58d01 regenerated sources and and add opcode enum to headers
Conflicts:
	gen_input/CoreDSL-Instruction-Set-Description
2021-03-01 06:26:33 +00:00
1668df0531 regenerated sources and and add opcode enum to headers 2021-02-23 08:29:31 +00:00
d8e009c72b update CoreDSL decriptions 2021-02-15 18:15:13 +00:00
d07c8679ed update core definition 2021-02-15 18:14:52 +00:00
3d5b61f301 move boost libraries from tgfs_sc to tgfs library 2021-02-15 18:03:39 +00:00
337f1634c0 add mssing change 2021-02-15 18:01:46 +00:00
72b09472d5 update RISC-V descriptions 2021-02-15 18:01:33 +00:00
3261055871 update description to latest CoreDSL2 2021-02-15 11:35:56 +00:00
34bb8e62ae generate working ISS from CoreDSL 2.0 2021-02-06 14:47:06 +00:00
da7e29fbb7 update definitions of derived constants 2021-01-01 09:19:48 +00:00
c4da47cedd integrate code generation into build process (first attempt) 2020-12-30 07:29:52 +00:00
ab554539e3 first version of tgf_c based on CoreDSL 2.0 2020-12-29 08:48:22 +00:00
d43b35949e fix CMakeList.txt so that it builds without platform and external libs 2020-12-23 16:24:10 +00:00
38 changed files with 8734 additions and 7050 deletions

View File

@ -1,20 +1,21 @@
cmake_minimum_required(VERSION 3.12)
project("riscv" VERSION 1.0.0)
###############################################################################
#
###############################################################################
project(dbt-rise-tgc VERSION 1.0.0)
include(GNUInstallDirs)
conan_basic_setup()
find_package(elfio)
find_package(Boost COMPONENTS program_options system thread filesystem REQUIRED)
if(WITH_LLVM)
if(DEFINED ENV{LLVM_HOME})
find_path (LLVM_DIR LLVM-Config.cmake $ENV{LLVM_HOME}/lib/cmake/llvm)
endif(DEFINED ENV{LLVM_HOME})
find_package(LLVM REQUIRED CONFIG)
message(STATUS "Found LLVM ${LLVM_PACKAGE_VERSION}")
message(STATUS "Using LLVMConfig.cmake in: ${LLVM_DIR}")
llvm_map_components_to_libnames(llvm_libs support core mcjit x86codegen x86asmparser)
if(DEFINED ENV{LLVM_HOME})
find_path (LLVM_DIR LLVM-Config.cmake $ENV{LLVM_HOME}/lib/cmake/llvm)
endif(DEFINED ENV{LLVM_HOME})
find_package(LLVM REQUIRED CONFIG)
message(STATUS "Found LLVM ${LLVM_PACKAGE_VERSION}")
message(STATUS "Using LLVMConfig.cmake in: ${LLVM_DIR}")
llvm_map_components_to_libnames(llvm_libs support core mcjit x86codegen x86asmparser)
endif()
#Mac needed variables (adapt for your needs - http://www.cmake.org/Wiki/CMake_RPATH_handling#Mac_OS_X_and_the_RPATH)
@ -27,97 +28,142 @@ endif()
add_subdirectory(softfloat)
# library files
FILE(GLOB RiscVSCHeaders ${CMAKE_CURRENT_SOURCE_DIR}/incl/sysc/*.h ${CMAKE_CURRENT_SOURCE_DIR}/incl/sysc/*/*.h)
set(LIB_HEADERS ${RiscVSCHeaders} )
FILE(GLOB TGC_SOURCES
${CMAKE_CURRENT_SOURCE_DIR}/src/iss/*.cpp
${CMAKE_CURRENT_SOURCE_DIR}/src/vm/interp/vm_*.cpp
)
set(LIB_SOURCES
src/iss/tgf_b.cpp
src/iss/tgf_c.cpp
src/vm/fp_functions.cpp
src/vm/tcc/vm_tgf_b.cpp
src/vm/tcc/vm_tgf_c.cpp
src/vm/interp/vm_tgf_b.cpp
src/vm/interp/vm_tgf_c.cpp
src/vm/fp_functions.cpp
src/plugin/instruction_count.cpp
src/plugin/cycle_estimate.cpp
${TGC_SOURCES}
)
if(WITH_LLVM)
set(LIB_SOURCES ${LIB_SOURCES}
src/vm/llvm/fp_impl.cpp
src/vm/llvm/vm_tgf_b.cpp
src/vm/llvm/vm_tgf_c.cpp
)
set(LIB_SOURCES ${LIB_SOURCES}
src/vm/llvm/fp_impl.cpp
#src/vm/llvm/vm_tgf_b.cpp
#src/vm/llvm/vm_tgf_c.cpp
)
endif()
# Define the library
add_library(riscv SHARED ${LIB_SOURCES})
target_compile_options(riscv PRIVATE -Wno-shift-count-overflow)
target_include_directories(riscv PUBLIC incl ../external/elfio)
target_link_libraries(riscv PUBLIC softfloat scc-util jsoncpp)
target_link_libraries(riscv PUBLIC -Wl,--whole-archive dbt-core -Wl,--no-whole-archive)
set_target_properties(riscv PROPERTIES
add_library(${PROJECT_NAME} ${LIB_SOURCES})
# list code gen dependencies
if(TARGET ${CORE_NAME}_cpp)
add_dependencies(${PROJECT_NAME} ${CORE_NAME}_cpp)
endif()
if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
target_compile_options(${PROJECT_NAME} PRIVATE -Wno-shift-count-overflow)
elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
target_compile_options(${PROJECT_NAME} PRIVATE /wd4293)
endif()
target_include_directories(${PROJECT_NAME} PUBLIC incl)
target_link_libraries(${PROJECT_NAME} PUBLIC softfloat scc-util jsoncpp)
if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
target_link_libraries(${PROJECT_NAME} PUBLIC -Wl,--whole-archive dbt-core -Wl,--no-whole-archive)
else()
target_link_libraries(${PROJECT_NAME} PUBLIC dbt-core)
endif()
if(TARGET CONAN_PKG::elfio)
target_link_libraries(${PROJECT_NAME} PUBLIC CONAN_PKG::elfio)
elseif(TARGET elfio::elfio)
target_link_libraries(${PROJECT_NAME} PUBLIC elfio::elfio)
else()
message(FATAL_ERROR "No elfio library found, maybe a find_package() call is missing")
endif()
set_target_properties(${PROJECT_NAME} PROPERTIES
VERSION ${PROJECT_VERSION}
FRAMEWORK FALSE
PUBLIC_HEADER "${LIB_HEADERS}" # specify the public headers
)
if(SystemC_FOUND)
add_library(riscv_sc src/sysc/core_complex.cpp)
target_compile_definitions(riscv_sc PUBLIC WITH_SYSTEMC)
target_include_directories(riscv_sc PUBLIC ../incl ${SystemC_INCLUDE_DIRS} ${CCI_INCLUDE_DIRS})
if(SCV_FOUND)
target_compile_definitions(riscv_sc PUBLIC WITH_SCV)
target_include_directories(riscv_sc PUBLIC ${SCV_INCLUDE_DIRS})
endif()
target_link_libraries(riscv_sc PUBLIC riscv scc )
if(WITH_LLVM)
target_link_libraries(riscv_sc PUBLIC ${llvm_libs})
endif()
target_link_libraries(riscv_sc PUBLIC ${Boost_LIBRARIES} )
set_target_properties(riscv_sc PROPERTIES
VERSION ${PROJECT_VERSION}
FRAMEWORK FALSE
PUBLIC_HEADER "${LIB_HEADERS}" # specify the public headers
)
endif()
project("riscv-sim")
add_executable(riscv-sim src/main.cpp)
# This sets the include directory for the reference project. This is the -I flag in gcc.
target_include_directories(riscv-sim PRIVATE ../external/libGIS)
if(WITH_LLVM)
target_compile_definitions(riscv-sim PRIVATE WITH_LLVM)
target_link_libraries(riscv-sim PUBLIC ${llvm_libs})
endif()
# Links the target exe against the libraries
target_link_libraries(riscv-sim riscv)
target_link_libraries(riscv-sim jsoncpp)
target_link_libraries(riscv-sim external)
target_link_libraries(riscv-sim ${Boost_LIBRARIES} )
if (Tcmalloc_FOUND)
target_link_libraries(riscv-sim ${Tcmalloc_LIBRARIES})
endif(Tcmalloc_FOUND)
install(TARGETS riscv riscv-sim
install(TARGETS ${PROJECT_NAME} COMPONENT ${PROJECT_NAME}
EXPORT ${PROJECT_NAME}Targets # for downstream dependencies
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT libs # static lib
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT libs # binaries
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT libs # shared lib
FRAMEWORK DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT libs # for mac
PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME} COMPONENT devel # headers for mac (note the different component -> different package)
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} # static lib
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} # binaries
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} # shared lib
FRAMEWORK DESTINATION ${CMAKE_INSTALL_LIBDIR} # for mac
PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME} # headers for mac (note the different component -> different package)
INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} # headers
)
install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/incl/iss COMPONENT ${PROJECT_NAME}
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} # target directory
FILES_MATCHING # install only matched files
PATTERN "*.h" # select header files
)
###############################################################################
#
# SYSTEM PACKAGING (RPM, TGZ, ...)
# _____________________________________________________________________________
###############################################################################
project(tgc-sim)
find_package(Boost COMPONENTS program_options thread REQUIRED)
#include(CPackConfig)
add_executable(${PROJECT_NAME} src/main.cpp)
# This sets the include directory for the reference project. This is the -I flag in gcc.
target_compile_definitions(${PROJECT_NAME} PRIVATE CORE_${CORE_NAME})
if(WITH_LLVM)
target_compile_definitions(${PROJECT_NAME} PRIVATE WITH_LLVM)
target_link_libraries(${PROJECT_NAME} PUBLIC ${llvm_libs})
endif()
# Links the target exe against the libraries
target_link_libraries(${PROJECT_NAME} PUBLIC dbt-rise-tgc)
if(TARGET Boost::program_options)
target_link_libraries(${PROJECT_NAME} PUBLIC Boost::program_options Boost::thread)
else()
target_link_libraries(${PROJECT_NAME} PUBLIC ${BOOST_program_options_LIBRARY} ${BOOST_thread_LIBRARY})
endif()
target_link_libraries(${PROJECT_NAME} PUBLIC ${CMAKE_DL_LIBS})
if (Tcmalloc_FOUND)
target_link_libraries(${PROJECT_NAME} PUBLIC ${Tcmalloc_LIBRARIES})
endif(Tcmalloc_FOUND)
install(TARGETS tgc-sim
EXPORT ${PROJECT_NAME}Targets # for downstream dependencies
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} # static lib
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} # binaries
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} # shared lib
FRAMEWORK DESTINATION ${CMAKE_INSTALL_LIBDIR} # for mac
PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME} # headers for mac (note the different component -> different package)
INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} # headers
)
###############################################################################
#
# CMAKE PACKAGING (for other CMake projects to use this one easily)
# _____________________________________________________________________________
###############################################################################
project(dbt-rise-tgc_sc VERSION 1.0.0)
include(SystemCPackage)
if(SystemC_FOUND)
add_library(${PROJECT_NAME} src/sysc/core_complex.cpp)
target_compile_definitions(${PROJECT_NAME} PUBLIC WITH_SYSTEMC)
target_compile_definitions(${PROJECT_NAME} PRIVATE CORE_${CORE_NAME})
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/incl/iss/arch/tgc_b.h)
target_compile_definitions(${PROJECT_NAME} PRIVATE CORE_TGC_B)
endif()
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/incl/iss/arch/tgc_c.h)
target_compile_definitions(${PROJECT_NAME} PRIVATE CORE_TGC_C)
endif()
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/incl/iss/arch/tgc_d.h)
target_compile_definitions(${PROJECT_NAME} PRIVATE CORE_TGC_D)
endif()
target_link_libraries(${PROJECT_NAME} PUBLIC dbt-rise-tgc scc)
if(WITH_LLVM)
target_link_libraries(${PROJECT_NAME} PUBLIC ${llvm_libs})
endif()
set(LIB_HEADERS ${CMAKE_CURRENT_SOURCE_DIR}/incl/sysc/core_complex.h)
set_target_properties(${PROJECT_NAME} PROPERTIES
VERSION ${PROJECT_VERSION}
FRAMEWORK FALSE
PUBLIC_HEADER "${LIB_HEADERS}" # specify the public headers
)
install(TARGETS ${PROJECT_NAME} COMPONENT ${PROJECT_NAME}
EXPORT ${PROJECT_NAME}Targets # for downstream dependencies
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} # static lib
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} # binaries
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} # shared lib
FRAMEWORK DESTINATION ${CMAKE_INSTALL_LIBDIR} # for mac
PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/sysc # headers for mac (note the different component -> different package)
INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} # headers
)
endif()
#include(PackageConfigurator)

30
contrib/build.tcl Normal file
View File

@ -0,0 +1,30 @@
namespace eval Specification {
proc buildproc { args } {
global env
variable installDir
variable compiler
variable compiler [::scsh::get_backend_compiler]
# set target $machine
set target [::scsh::machine]
set linkerOptions ""
set preprocessorOptions ""
set libversion $compiler
switch -exact -- $target {
"linux" {
set install_dir $::env(TGFS_INSTALL_ROOT)
set incldir "${install_dir}/include"
set libdir "${install_dir}/lib64"
set preprocessorOptions [concat $preprocessorOptions "-I${incldir}"]
# Set the Linker paths.
set linkerOptions [concat $linkerOptions "-Wl,-rpath,${libdir} -L${libdir} -ldbt-rise-tgc_sc"]
}
default {
puts stderr "ERROR: \"$target\" is not supported, [::scsh::version]"
return
}
}
::scsh::cwr_append_ipsimbld_opts preprocessor "$preprocessorOptions"
::scsh::cwr_append_ipsimbld_opts linker "$linkerOptions"
}
::scsh::add_build_callback [namespace current]::buildproc
}

4
contrib/tgc_import.cc Normal file
View File

@ -0,0 +1,4 @@
#include "sysc/core_complex.h"
void modules() { sysc::tgfs::core_complex i_core_complex("core_complex"); }

50
contrib/tgc_import.tcl Normal file
View File

@ -0,0 +1,50 @@
#############################################################################
#
#############################################################################
proc getScriptDirectory {} {
set dispScriptFile [file normalize [info script]]
set scriptFolder [file dirname $dispScriptFile]
return $scriptFolder
}
if { $::env(SNPS_VP_PRODUCT) == "PAULTRA" } {
set hardware /HARDWARE/HW/HW
} else {
set hardware /HARDWARE
}
set scriptDir [getScriptDirectory]
set top_design_name core_complex
set clocks clk_i
set resets rst_i
set model_prefix "i_"
set model_postfix ""
::pct::new_project
::pct::open_library TLM2_PL
::pct::clear_systemc_defines
::pct::clear_systemc_include_path
::pct::add_to_systemc_include_path $::env(TGFS_INSTALL_ROOT)/include
::pct::set_import_protocol_generation_flag false
::pct::set_update_existing_encaps_flag true
::pct::set_dynamic_port_arrays_flag true
::pct::set_import_scml_properties_flag true
::pct::load_modules --set-category modules tgc_import.cc
# Set Port Protocols correctly
set block ${top_design_name}
foreach clock ${clocks} {
::pct::set_block_port_protocol --set-category SYSTEM_LIBRARY:$block/${clock} SYSTEM_LIBRARY:CLOCK
}
foreach reset ${resets} {
::pct::set_block_port_protocol --set-category SYSTEM_LIBRARY:$block/${reset} SYSTEM_LIBRARY:RESET
}
::pct::set_encap_port_array_size SYSTEM_LIBRARY:$block/local_irq_i 16
# Set compile settings and look
set block SYSTEM_LIBRARY:${top_design_name}
::pct::set_encap_build_script $block/${top_design_name} $scriptDir/build.tcl
::pct::set_background_color_rgb $block 255 255 255 255
::pct::create_instance SYSTEM_LIBRARY:${top_design_name} ${hardware} ${model_prefix}${top_design_name}${model_postfix} ${top_design_name}
# export the result as component
::pct::export_system_library ${top_design_name} ${top_design_name}.xml

View File

@ -2,27 +2,36 @@ import "CoreDSL-Instruction-Set-Description/RV32I.core_desc"
import "CoreDSL-Instruction-Set-Description/RVM.core_desc"
import "CoreDSL-Instruction-Set-Description/RVC.core_desc"
Core TGF_B provides RV32I {
constants {
XLEN:=32;
PCLEN:=32;
Core TGC_B provides RV32I {
architectural_state {
unsigned XLEN=32;
unsigned PCLEN=32;
// definitions for the architecture wrapper
// XL ZYXWVUTSRQPONMLKJIHGFEDCBA
MISA_VAL:=0b01000000000000000000000100000000;
PGSIZE := 0x1000; //1 << 12;
PGMASK := 0xfff; //PGSIZE-1
// XL ZYXWVUTSRQPONMLKJIHGFEDCBA
unsigned MISA_VAL = 0b01000000000000000000000100000000;
unsigned PGSIZE = 0x1000; //1 << 12;
unsigned PGMASK = 0xfff; //PGSIZE-1
}
}
Core TGF_C provides RV32I, RV32M, RV32IC {
constants {
XLEN:=32;
PCLEN:=32;
MUL_LEN:=64;
Core TGC_C provides RV32I, RV32M, RV32IC {
architectural_state {
unsigned XLEN=32;
unsigned PCLEN=32;
// definitions for the architecture wrapper
// XL ZYXWVUTSRQPONMLKJIHGFEDCBA
MISA_VAL:=0b01000000000000000001000100000100;
PGSIZE := 0x1000; //1 << 12;
PGMASK := 0xfff; //PGSIZE-1
// XL ZYXWVUTSRQPONMLKJIHGFEDCBA
unsigned MISA_VAL = 0b01000000000000000001000100000100;
unsigned PGSIZE = 0x1000; //1 << 12;
unsigned PGMASK = 0xfff; //PGSIZE-1
}
}
}
Core TGC_D provides RV32I, RV32M, RV32IC {
architectural_state {
unsigned XLEN=32;
unsigned PCLEN=32;
// definitions for the architecture wrapper
// XL ZYXWVUTSRQPONMLKJIHGFEDCBA
unsigned MISA_VAL = 0b01000000000000000001000100000100;
}
}

View File

@ -1,74 +0,0 @@
import "RV32I.core_desc"
import "RV64I.core_desc"
import "RVM.core_desc"
import "RVA.core_desc"
import "RVC.core_desc"
import "RVF.core_desc"
import "RVD.core_desc"
Core MNRV32 provides RV32I, RV32IC {
constants {
XLEN:=32;
PCLEN:=32;
// definitions for the architecture wrapper
// XL ZYXWVUTSRQPONMLKJIHGFEDCBA
MISA_VAL:=0b01000000000101000001000100000101;
PGSIZE := 0x1000; //1 << 12;
PGMASK := 0xfff; //PGSIZE-1
}
}
Core RV32IMAC provides RV32I, RV32M, RV32A, RV32IC {
constants {
XLEN:=32;
PCLEN:=32;
MUL_LEN:=64;
// definitions for the architecture wrapper
// XL ZYXWVUTSRQPONMLKJIHGFEDCBA
MISA_VAL:=0b01000000000101000001000100000101;
PGSIZE := 0x1000; //1 << 12;
PGMASK := 0xfff; //PGSIZE-1
}
}
Core RV32GC provides RV32I, RV32M, RV32A, RV32F, RV32D, RV32IC, RV32FC, RV32DC {
constants {
XLEN:=32;
FLEN:=64;
PCLEN:=32;
MUL_LEN:=64;
// definitions for the architecture wrapper
// XL ZYXWVUTSRQPONMLKJIHGFEDCBA
MISA_VAL:=0b01000000000101000001000100101101;
PGSIZE := 0x1000; //1 << 12;
PGMASK := 0xfff; //PGSIZE-1
}
}
Core RV64I provides RV64I {
constants {
XLEN:=64;
PCLEN:=64;
// definitions for the architecture wrapper
// XL ZYXWVUTSRQPONMLKJIHGFEDCBA
MISA_VAL:=0b10000000000001000000000100000000;
PGSIZE := 0x1000; //1 << 12;
PGMASK := 0xfff; //PGSIZE-1
}
}
Core RV64GC provides RV64I, RV64M, RV64A, RV64F, RV64D, RV32FC, RV32DC, RV64IC {
constants {
XLEN:=64;
FLEN:=64;
PCLEN:=64;
MUL_LEN:=128;
// definitions for the architecture wrapper
// XL ZYXWVUTSRQPONMLKJIHGFEDCBA
MISA_VAL:=0b01000000000101000001000100101101;
PGSIZE := 0x1000; //1 << 12;
PGMASK := 0xfff; //PGSIZE-1
}
}

View File

@ -1,5 +1,5 @@
/*******************************************************************************
* Copyright (C) 2017, 2018 MINRES Technologies GmbH
* Copyright (C) 2017 - 2020 MINRES Technologies GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -29,43 +29,12 @@
* POSSIBILITY OF SUCH DAMAGE.
*
*******************************************************************************/
<%
import com.minres.coredsl.coreDsl.Register
import com.minres.coredsl.coreDsl.RegisterFile
import com.minres.coredsl.coreDsl.RegisterAlias
def getOriginalName(reg){
if( reg.original instanceof RegisterFile) {
if( reg.index != null ) {
return reg.original.name+generator.generateHostCode(reg.index)
} else {
return reg.original.name
}
} else if(reg.original instanceof Register){
return reg.original.name
}
}
def getRegisterNames(){
def regNames = []
allRegs.each { reg ->
if( reg instanceof RegisterFile) {
(reg.range.right..reg.range.left).each{
regNames+=reg.name.toLowerCase()+it
}
} else if(reg instanceof Register){
regNames+=reg.name.toLowerCase()
}
}
return regNames
}
def getRegisterAliasNames(){
def regMap = allRegs.findAll{it instanceof RegisterAlias }.collectEntries {[getOriginalName(it), it.name]}
return allRegs.findAll{it instanceof Register || it instanceof RegisterFile}.collect{reg ->
if( reg instanceof RegisterFile) {
return (reg.range.right..reg.range.left).collect{ (regMap[reg.name]?:regMap[reg.name+it]?:reg.name.toLowerCase()+it).toLowerCase() }
} else if(reg instanceof Register){
regMap[reg.name]?:reg.name.toLowerCase()
}
}.flatten()
<%
def getRegisterSizes(){
def regs = registers.collect{it.size}
regs[-1]=64 // correct for NEXT_PC
regs+=[32, 32, 64, 64, 64] // append TRAP_STATE, PENDING_TRAP, ICOUNT, CYCLE, INSTRET
return regs
}
%>
#include "util/ities.h"
@ -77,10 +46,10 @@ def getRegisterAliasNames(){
using namespace iss::arch;
constexpr std::array<const char*, ${getRegisterNames().size}> iss::arch::traits<iss::arch::${coreDef.name.toLowerCase()}>::reg_names;
constexpr std::array<const char*, ${getRegisterAliasNames().size}> iss::arch::traits<iss::arch::${coreDef.name.toLowerCase()}>::reg_aliases;
constexpr std::array<const uint32_t, ${regSizes.size}> iss::arch::traits<iss::arch::${coreDef.name.toLowerCase()}>::reg_bit_widths;
constexpr std::array<const uint32_t, ${regOffsets.size}> iss::arch::traits<iss::arch::${coreDef.name.toLowerCase()}>::reg_byte_offsets;
constexpr std::array<const char*, ${registers.size}> iss::arch::traits<iss::arch::${coreDef.name.toLowerCase()}>::reg_names;
constexpr std::array<const char*, ${registers.size}> iss::arch::traits<iss::arch::${coreDef.name.toLowerCase()}>::reg_aliases;
constexpr std::array<const uint32_t, ${getRegisterSizes().size}> iss::arch::traits<iss::arch::${coreDef.name.toLowerCase()}>::reg_bit_widths;
constexpr std::array<const uint32_t, ${getRegisterSizes().size}> iss::arch::traits<iss::arch::${coreDef.name.toLowerCase()}>::reg_byte_offsets;
${coreDef.name.toLowerCase()}::${coreDef.name.toLowerCase()}() {
reg.icount = 0;
@ -92,8 +61,8 @@ void ${coreDef.name.toLowerCase()}::reset(uint64_t address) {
for(size_t i=0; i<traits<${coreDef.name.toLowerCase()}>::NUM_REGS; ++i) set_reg(i, std::vector<uint8_t>(sizeof(traits<${coreDef.name.toLowerCase()}>::reg_t),0));
reg.PC=address;
reg.NEXT_PC=reg.PC;
reg.PRIV=0x3;
reg.trap_state=0;
reg.machine_state=0x3;
reg.icount=0;
}

View File

@ -1,5 +1,5 @@
/*******************************************************************************
* Copyright (C) 2017, 2018 MINRES Technologies GmbH
* Copyright (C) 2017 - 2021 MINRES Technologies GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -29,47 +29,38 @@
* POSSIBILITY OF SUCH DAMAGE.
*
*******************************************************************************/
<%
import com.minres.coredsl.util.BigIntegerWithRadix
<%
import com.minres.coredsl.coreDsl.Register
import com.minres.coredsl.coreDsl.RegisterFile
import com.minres.coredsl.coreDsl.RegisterAlias
def getTypeSize(size){
if(size > 32) 64 else if(size > 16) 32 else if(size > 8) 16 else 8
def nativeTypeSize(int size){
if(size<=8) return 8; else if(size<=16) return 16; else if(size<=32) return 32; else return 64;
}
def getOriginalName(reg){
if( reg.original instanceof RegisterFile) {
if( reg.index != null ) {
return reg.original.name+generator.generateHostCode(reg.index)
} else {
return reg.original.name
}
} else if(reg.original instanceof Register){
return reg.original.name
def getRegisterSizes(){
def regs = registers.collect{nativeTypeSize(it.size)}
regs+=[32,32, 64, 64, 64] // append TRAP_STATE, PENDING_TRAP, ICOUNT, CYCLE, INSTRET
return regs
}
def getRegisterOffsets(){
def offset = 0
def offsets = []
getRegisterSizes().each { size ->
offsets<<offset
offset+=size/8
}
return offsets
}
def getRegisterNames(){
def regNames = []
allRegs.each { reg ->
if( reg instanceof RegisterFile) {
(reg.range.right..reg.range.left).each{
regNames+=reg.name.toLowerCase()+it
}
} else if(reg instanceof Register){
regNames+=reg.name.toLowerCase()
}
}
return regNames
def byteSize(int size){
if(size<=8) return 8;
if(size<=16) return 16;
if(size<=32) return 32;
if(size<=64) return 64;
return 128;
}
def getRegisterAliasNames(){
def regMap = allRegs.findAll{it instanceof RegisterAlias }.collectEntries {[getOriginalName(it), it.name]}
return allRegs.findAll{it instanceof Register || it instanceof RegisterFile}.collect{reg ->
if( reg instanceof RegisterFile) {
return (reg.range.right..reg.range.left).collect{ (regMap[reg.name]?:regMap[reg.name+it]?:reg.name.toLowerCase()+it).toLowerCase() }
} else if(reg instanceof Register){
regMap[reg.name]?:reg.name.toLowerCase()
}
}.flatten()
def getCString(def val){
if(val instanceof BigIntegerWithRadix)
return ((BigIntegerWithRadix)val).toCString()
else
return val.toString()
}
%>
#ifndef _${coreDef.name.toUpperCase()}_H_
@ -87,43 +78,28 @@ struct ${coreDef.name.toLowerCase()};
template <> struct traits<${coreDef.name.toLowerCase()}> {
constexpr static char const* const core_type = "${coreDef.name}";
constexpr static char const* const core_type = "${coreDef.name}";
static constexpr std::array<const char*, ${getRegisterNames().size}> reg_names{
{"${getRegisterNames().join("\", \"")}"}};
static constexpr std::array<const char*, ${registers.size}> reg_names{
{"${registers.collect{it.name}.join('", "')}"}};
static constexpr std::array<const char*, ${getRegisterAliasNames().size}> reg_aliases{
{"${getRegisterAliasNames().join("\", \"")}"}};
static constexpr std::array<const char*, ${registers.size}> reg_aliases{
{"${registers.collect{it.alias}.join('", "')}"}};
enum constants {${coreDef.constants.collect{c -> c.name+"="+c.value}.join(', ')}};
enum constants {${constants.collect{c -> c.name+"="+getCString(c.value)}.join(', ')}};
constexpr static unsigned FP_REGS_SIZE = ${coreDef.constants.find {it.name=='FLEN'}?.value?:0};
constexpr static unsigned FP_REGS_SIZE = ${constants.find {it.name=='FLEN'}?.value?:0};
enum reg_e {<%
allRegs.each { reg ->
if( reg instanceof RegisterFile) {
(reg.range.right..reg.range.left).each{%>
${reg.name}${it},<%
}
} else if(reg instanceof Register){ %>
${reg.name},<%
}
}%>
NUM_REGS,
NEXT_${pc.name}=NUM_REGS,
TRAP_STATE,
enum reg_e {
${registers.collect{it.name}.join(', ')}, NUM_REGS,
TRAP_STATE=NUM_REGS,
PENDING_TRAP,
MACHINE_STATE,
LAST_BRANCH,
ICOUNT<%
allRegs.each { reg ->
if(reg instanceof RegisterAlias){ def aliasname=getOriginalName(reg)%>,
${reg.name} = ${aliasname}<%
}
}%>
ICOUNT,
CYCLE,
INSTRET
};
using reg_t = uint${regDataWidth}_t;
using reg_t = uint${addrDataWidth}_t;
using addr_t = uint${addrDataWidth}_t;
@ -133,17 +109,22 @@ template <> struct traits<${coreDef.name.toLowerCase()}> {
using phys_addr_t = iss::typed_addr_t<iss::address_type::PHYSICAL>;
static constexpr std::array<const uint32_t, ${regSizes.size}> reg_bit_widths{
{${regSizes.join(",")}}};
static constexpr std::array<const uint32_t, ${getRegisterSizes().size}> reg_bit_widths{
{${getRegisterSizes().join(',')}}};
static constexpr std::array<const uint32_t, ${regOffsets.size}> reg_byte_offsets{
{${regOffsets.join(",")}}};
static constexpr std::array<const uint32_t, ${getRegisterOffsets().size}> reg_byte_offsets{
{${getRegisterOffsets().join(',')}}};
static const uint64_t addr_mask = (reg_t(1) << (XLEN - 1)) | ((reg_t(1) << (XLEN - 1)) - 1);
enum sreg_flag_e { FLAGS };
enum mem_type_e { ${allSpaces.collect{s -> s.name}.join(', ')} };
enum mem_type_e { ${spaces.collect{it.name}.join(', ')} };
enum class opcode_e : unsigned short {<%instructions.eachWithIndex{instr, index -> %>
${instr.instruction.name} = ${index},<%}%>
MAX_OPCODE
};
};
struct ${coreDef.name.toLowerCase()}: public arch_if {
@ -189,32 +170,29 @@ struct ${coreDef.name.toLowerCase()}: public arch_if {
inline uint32_t get_last_branch() { return reg.last_branch; }
protected:
#pragma pack(push, 1)
struct ${coreDef.name}_regs {<%
allRegs.each { reg ->
if( reg instanceof RegisterFile) {
(reg.range.right..reg.range.left).each{%>
uint${generator.getSize(reg)}_t ${reg.name}${it} = 0;<%
}
} else if(reg instanceof Register){ %>
uint${generator.getSize(reg)}_t ${reg.name} = 0;<%
}
}%>
uint${generator.getSize(pc)}_t NEXT_${pc.name} = 0;
uint32_t trap_state = 0, pending_trap = 0, machine_state = 0, last_branch = 0;
registers.each { reg -> if(reg.size>0) {%>
uint${byteSize(reg.size)}_t ${reg.name} = 0;<%
}}%>
uint32_t trap_state = 0, pending_trap = 0;
uint64_t icount = 0;
uint64_t cycle = 0;
uint64_t instret = 0;
uint32_t last_branch;
} reg;
#pragma pack(pop)
std::array<address_type, 4> addr_mode;
uint64_t interrupt_sim=0;
<%
def fcsr = allRegs.find {it.name=='FCSR'}
def fcsr = registers.find {it.name=='FCSR'}
if(fcsr != null) {%>
uint${generator.getSize(fcsr)}_t get_fcsr(){return reg.FCSR;}
void set_fcsr(uint${generator.getSize(fcsr)}_t val){reg.FCSR = val;}
uint${fcsr.size}_t get_fcsr(){return reg.FCSR;}
void set_fcsr(uint${fcsr.size}_t val){reg.FCSR = val;}
<%} else { %>
uint32_t get_fcsr(){return 0;}
void set_fcsr(uint32_t val){}
uint32_t get_fcsr(){return 0;}
void set_fcsr(uint32_t val){}
<%}%>
};

View File

@ -0,0 +1,342 @@
/*******************************************************************************
* Copyright (C) 2021 MINRES Technologies GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*******************************************************************************/
#include "../fp_functions.h"
#include <iss/arch/${coreDef.name.toLowerCase()}.h>
#include <iss/arch/riscv_hart_m_p.h>
#include <iss/debugger/gdb_session.h>
#include <iss/debugger/server.h>
#include <iss/iss.h>
#include <iss/interp/vm_base.h>
#include <util/logging.h>
#include <sstream>
#ifndef FMT_HEADER_ONLY
#define FMT_HEADER_ONLY
#endif
#include <fmt/format.h>
#include <array>
#include <iss/debugger/riscv_target_adapter.h>
namespace iss {
namespace interp {
namespace ${coreDef.name.toLowerCase()} {
using namespace iss::arch;
using namespace iss::debugger;
template <typename ARCH> class vm_impl : public iss::interp::vm_base<ARCH> {
public:
using traits = arch::traits<ARCH>;
using super = typename iss::interp::vm_base<ARCH>;
using virt_addr_t = typename super::virt_addr_t;
using phys_addr_t = typename super::phys_addr_t;
using code_word_t = typename super::code_word_t;
using addr_t = typename super::addr_t;
using reg_t = typename traits::reg_t;
using mem_type_e = typename traits::mem_type_e;
vm_impl();
vm_impl(ARCH &core, unsigned core_id = 0, unsigned cluster_id = 0);
void enableDebug(bool enable) { super::sync_exec = super::ALL_SYNC; }
target_adapter_if *accquire_target_adapter(server_if *srv) override {
debugger_if::dbg_enabled = true;
if (super::tgt_adapter == nullptr)
super::tgt_adapter = new riscv_target_adapter<ARCH>(srv, this->get_arch());
return super::tgt_adapter;
}
protected:
using this_class = vm_impl<ARCH>;
using compile_ret_t = virt_addr_t;
using compile_func = compile_ret_t (this_class::*)(virt_addr_t &pc, code_word_t instr);
inline const char *name(size_t index){return traits::reg_aliases.at(index);}
compile_func decode_inst(code_word_t instr) ;
virt_addr_t execute_inst(finish_cond_e cond, virt_addr_t start, uint64_t icount_limit) override;
// some compile time constants
// enum { MASK16 = 0b1111110001100011, MASK32 = 0b11111111111100000111000001111111 };
enum { MASK16 = 0b1111111111111111, MASK32 = 0b11111111111100000111000001111111 };
enum { EXTR_MASK16 = MASK16 >> 2, EXTR_MASK32 = MASK32 >> 2 };
enum { LUT_SIZE = 1 << util::bit_count(EXTR_MASK32), LUT_SIZE_C = 1 << util::bit_count(EXTR_MASK16) };
std::array<compile_func, LUT_SIZE> lut;
std::array<compile_func, LUT_SIZE_C> lut_00, lut_01, lut_10;
std::array<compile_func, LUT_SIZE> lut_11;
struct instruction_pattern {
uint32_t value;
uint32_t mask;
compile_func opc;
};
std::array<std::vector<instruction_pattern>, 4> qlut;
inline void raise(uint16_t trap_id, uint16_t cause){
auto trap_val = 0x80ULL << 24 | (cause << 16) | trap_id;
this->template get_reg<uint32_t>(traits::TRAP_STATE) = trap_val;
this->template get_reg<uint32_t>(traits::NEXT_PC) = std::numeric_limits<uint32_t>::max();
}
inline void leave(unsigned lvl){
this->core.leave_trap(lvl);
}
inline void wait(unsigned type){
this->core.wait_until(type);
}
template<typename T>
T& pc_assign(T& val){super::ex_info.branch_taken=true; return val;}
inline uint8_t readSpace1(typename super::mem_type_e space, uint64_t addr){
auto ret = super::template read_mem<uint8_t>(space, addr);
if(this->template get_reg<uint32_t>(traits::TRAP_STATE)) throw 0;
return ret;
}
inline uint16_t readSpace2(typename super::mem_type_e space, uint64_t addr){
auto ret = super::template read_mem<uint16_t>(space, addr);
if(this->template get_reg<uint32_t>(traits::TRAP_STATE)) throw 0;
return ret;
}
inline uint32_t readSpace4(typename super::mem_type_e space, uint64_t addr){
auto ret = super::template read_mem<uint32_t>(space, addr);
if(this->template get_reg<uint32_t>(traits::TRAP_STATE)) throw 0;
return ret;
}
inline uint64_t readSpace8(typename super::mem_type_e space, uint64_t addr){
auto ret = super::template read_mem<uint64_t>(space, addr);
if(this->template get_reg<uint32_t>(traits::TRAP_STATE)) throw 0;
return ret;
}
inline void writeSpace1(typename super::mem_type_e space, uint64_t addr, uint8_t data){
super::write_mem(space, addr, data);
if(this->template get_reg<uint32_t>(traits::TRAP_STATE)) throw 0;
}
inline void writeSpace2(typename super::mem_type_e space, uint64_t addr, uint16_t data){
super::write_mem(space, addr, data);
if(this->template get_reg<uint32_t>(traits::TRAP_STATE)) throw 0;
}
inline void writeSpace4(typename super::mem_type_e space, uint64_t addr, uint32_t data){
super::write_mem(space, addr, data);
if(this->template get_reg<uint32_t>(traits::TRAP_STATE)) throw 0;
}
inline void writeSpace8(typename super::mem_type_e space, uint64_t addr, uint64_t data){
super::write_mem(space, addr, data);
if(this->template get_reg<uint32_t>(traits::TRAP_STATE)) throw 0;
}
template<unsigned W, typename U, typename S = typename std::make_signed<U>::type>
inline S sext(U from) {
auto mask = (1ULL<<W) - 1;
auto sign_mask = 1ULL<<(W-1);
return (from & mask) | ((from & sign_mask) ? ~mask : 0);
}
private:
/****************************************************************************
* start opcode definitions
****************************************************************************/
struct InstructionDesriptor {
size_t length;
uint32_t value;
uint32_t mask;
compile_func op;
};
const std::array<InstructionDesriptor, ${instructions.size}> instr_descr = {{
/* entries are: size, valid value, valid mask, function ptr */<%instructions.each{instr -> %>
/* instruction ${instr.instruction.name} */
{${instr.length}, ${instr.encoding}, ${instr.mask}, &this_class::__${generator.functionName(instr.name)}},<%}%>
}};
/* instruction definitions */<%instructions.eachWithIndex{instr, idx -> %>
/* instruction ${idx}: ${instr.name} */
compile_ret_t __${generator.functionName(instr.name)}(virt_addr_t& pc, code_word_t instr){
// pre execution stuff
auto* PC = reinterpret_cast<uint${addrDataWidth}_t*>(this->regs_base_ptr+arch::traits<ARCH>::reg_byte_offsets[arch::traits<ARCH>::PC]);
auto NEXT_PC = reinterpret_cast<uint${addrDataWidth}_t*>(this->regs_base_ptr+arch::traits<ARCH>::reg_byte_offsets[arch::traits<ARCH>::NEXT_PC]);
*PC=*NEXT_PC;
auto* trap_state = reinterpret_cast<uint32_t*>(this->regs_base_ptr+arch::traits<ARCH>::reg_byte_offsets[arch::traits<ARCH>::TRAP_STATE]);
*trap_state = *reinterpret_cast<uint32_t*>(this->regs_base_ptr+arch::traits<ARCH>::reg_byte_offsets[arch::traits<ARCH>::PENDING_TRAP]);
if(this->sync_exec && PRE_SYNC) this->do_sync(PRE_SYNC, ${idx});
<%instr.fields.eachLine{%>${it}
<%}%>if(this->disass_enabled){
/* generate console output when executing the command */
<%instr.disass.eachLine{%>${it}
<%}%>
}
// used registers<%instr.usedVariables.each{ k,v->
if(v.isArray) {%>
auto* ${k} = reinterpret_cast<uint${v.type.size}_t*>(this->regs_base_ptr+arch::traits<ARCH>::reg_byte_offsets[arch::traits<ARCH>::${k}0]);<% }else{ %>
auto* ${k} = reinterpret_cast<uint${v.type.size}_t*>(this->regs_base_ptr+arch::traits<ARCH>::reg_byte_offsets[arch::traits<ARCH>::${k}]);
<%}}%>// calculate next pc value
*NEXT_PC = *PC + ${instr.length/8};
// execute instruction
try {
<%instr.behavior.eachLine{%>${it}
<%}%>} catch(...){}
// post execution stuff
if(this->sync_exec && POST_SYNC) this->do_sync(POST_SYNC, ${idx});
// trap check
if(*trap_state!=0){
super::core.enter_trap(*trap_state, pc.val, instr);
} else {
(*reinterpret_cast<uint64_t*>(this->regs_base_ptr+arch::traits<ARCH>::reg_byte_offsets[arch::traits<ARCH>::ICOUNT]))++;
(*reinterpret_cast<uint64_t*>(this->regs_base_ptr+arch::traits<ARCH>::reg_byte_offsets[arch::traits<ARCH>::INSTRET]))++;
}
(*reinterpret_cast<uint64_t*>(this->regs_base_ptr+arch::traits<ARCH>::reg_byte_offsets[arch::traits<ARCH>::CYCLE]))++;
pc.val=*NEXT_PC;
return pc;
}
<%}%>
/****************************************************************************
* end opcode definitions
****************************************************************************/
compile_ret_t illegal_intruction(virt_addr_t &pc, code_word_t instr) {
this->do_sync(PRE_SYNC, static_cast<unsigned>(arch::traits<ARCH>::opcode_e::MAX_OPCODE));
uint32_t* PC = reinterpret_cast<uint32_t*>(this->regs_base_ptr+arch::traits<ARCH>::reg_byte_offsets[arch::traits<ARCH>::PC]);
uint32_t* NEXT_PC = reinterpret_cast<uint32_t*>(this->regs_base_ptr+arch::traits<ARCH>::reg_byte_offsets[arch::traits<ARCH>::NEXT_PC]);
*NEXT_PC = *PC + ((instr & 3) == 3 ? 4 : 2);
raise(0, 2);
// post execution stuff
if(this->sync_exec && POST_SYNC) this->do_sync(POST_SYNC, static_cast<unsigned>(arch::traits<ARCH>::opcode_e::MAX_OPCODE));
auto* trap_state = reinterpret_cast<uint32_t*>(this->regs_base_ptr+arch::traits<ARCH>::reg_byte_offsets[arch::traits<ARCH>::TRAP_STATE]);
// trap check
if(*trap_state!=0){
super::core.enter_trap(*trap_state, pc.val, instr);
}
pc.val=*NEXT_PC;
return pc;
}
static constexpr typename traits::addr_t upper_bits = ~traits::PGMASK;
iss::status fetch_ins(virt_addr_t pc, uint8_t * data){
auto phys_pc = this->core.v2p(pc);
//if ((pc.val & upper_bits) != ((pc.val + 2) & upper_bits)) { // we may cross a page boundary
// if (this->core.read(phys_pc, 2, data) != iss::Ok) return iss::Err;
// if ((data[0] & 0x3) == 0x3) // this is a 32bit instruction
// if (this->core.read(this->core.v2p(pc + 2), 2, data + 2) != iss::Ok) return iss::Err;
//} else {
if (this->core.read(phys_pc, 4, data) != iss::Ok) return iss::Err;
//}
return iss::Ok;
}
};
template <typename CODE_WORD> void debug_fn(CODE_WORD insn) {
volatile CODE_WORD x = insn;
insn = 2 * x;
}
template <typename ARCH> vm_impl<ARCH>::vm_impl() { this(new ARCH()); }
// according to
// https://stackoverflow.com/questions/8871204/count-number-of-1s-in-binary-representation
#ifdef __GCC__
constexpr size_t bit_count(uint32_t u) { return __builtin_popcount(u); }
#elif __cplusplus < 201402L
constexpr size_t uCount(uint32_t u) { return u - ((u >> 1) & 033333333333) - ((u >> 2) & 011111111111); }
constexpr size_t bit_count(uint32_t u) { return ((uCount(u) + (uCount(u) >> 3)) & 030707070707) % 63; }
#else
constexpr size_t bit_count(uint32_t u) {
size_t uCount = u - ((u >> 1) & 033333333333) - ((u >> 2) & 011111111111);
return ((uCount + (uCount >> 3)) & 030707070707) % 63;
}
#endif
template <typename ARCH>
vm_impl<ARCH>::vm_impl(ARCH &core, unsigned core_id, unsigned cluster_id)
: vm_base<ARCH>(core, core_id, cluster_id) {
for (auto instr : instr_descr) {
auto quadrant = instr.value & 0x3;
qlut[quadrant].push_back(instruction_pattern{instr.value, instr.mask, instr.op});
}
for(auto& lut: qlut){
std::sort(std::begin(lut), std::end(lut), [](instruction_pattern const& a, instruction_pattern const& b){
return bit_count(a.mask) > bit_count(b.mask);
});
}
}
inline bool is_count_limit_enabled(finish_cond_e cond){
return (cond & finish_cond_e::COUNT_LIMIT) == finish_cond_e::COUNT_LIMIT;
}
inline bool is_jump_to_self_enabled(finish_cond_e cond){
return (cond & finish_cond_e::JUMP_TO_SELF) == finish_cond_e::JUMP_TO_SELF;
}
template <typename ARCH>
typename vm_impl<ARCH>::compile_func vm_impl<ARCH>::decode_inst(code_word_t instr){
for(auto& e: qlut[instr&0x3]){
if(!((instr&e.mask) ^ e.value )) return e.opc;
}
return &this_class::illegal_intruction;
}
template <typename ARCH>
typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e cond, virt_addr_t start, uint64_t icount_limit){
// we fetch at max 4 byte, alignment is 2
code_word_t insn = 0;
auto *const data = (uint8_t *)&insn;
auto pc=start;
while(!this->core.should_stop() &&
!(is_count_limit_enabled(cond) && this->core.get_icount() >= icount_limit)){
auto res = fetch_ins(pc, data);
if(res!=iss::Ok){
this->do_sync(POST_SYNC, std::numeric_limits<unsigned>::max());
pc.val = super::core.enter_trap(std::numeric_limits<uint64_t>::max(), pc.val, 0);
} else {
if (is_jump_to_self_enabled(cond) &&
(insn == 0x0000006f || (insn&0xffff)==0xa001)) throw simulation_stopped(0); // 'J 0' or 'C.J 0'
auto f = decode_inst(insn);
pc = (this->*f)(pc, insn);
}
}
return pc;
}
} // namespace mnrv32
template <>
std::unique_ptr<vm_if> create<arch::${coreDef.name.toLowerCase()}>(arch::${coreDef.name.toLowerCase()} *core, unsigned short port, bool dump) {
auto ret = new ${coreDef.name.toLowerCase()}::vm_impl<arch::${coreDef.name.toLowerCase()}>(*core, dump);
if (port != 0) debugger::server<debugger::gdb_session>::run_server(ret, port);
return std::unique_ptr<vm_if>(ret);
}
} // namespace interp
} // namespace iss

View File

@ -1,247 +0,0 @@
/*******************************************************************************
* Copyright (C) 2020 MINRES Technologies GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*******************************************************************************/
#include "../fp_functions.h"
#include <iss/arch/${coreDef.name.toLowerCase()}.h>
#include <iss/arch/riscv_hart_m_p.h>
#include <iss/debugger/gdb_session.h>
#include <iss/debugger/server.h>
#include <iss/iss.h>
#include <iss/interp/vm_base.h>
#include <util/logging.h>
#include <sstream>
#ifndef FMT_HEADER_ONLY
#define FMT_HEADER_ONLY
#endif
#include <fmt/format.h>
#include <array>
#include <iss/debugger/riscv_target_adapter.h>
namespace iss {
namespace interp {
namespace ${coreDef.name.toLowerCase()} {
using namespace iss::arch;
using namespace iss::debugger;
template <typename ARCH> class vm_impl : public iss::interp::vm_base<ARCH> {
public:
using super = typename iss::interp::vm_base<ARCH>;
using virt_addr_t = typename super::virt_addr_t;
using phys_addr_t = typename super::phys_addr_t;
using code_word_t = typename super::code_word_t;
using addr_t = typename super::addr_t;
using reg_t = typename traits<ARCH>::reg_t;
using iss::interp::vm_base<ARCH>::get_reg;
vm_impl();
vm_impl(ARCH &core, unsigned core_id = 0, unsigned cluster_id = 0);
void enableDebug(bool enable) { super::sync_exec = super::ALL_SYNC; }
target_adapter_if *accquire_target_adapter(server_if *srv) override {
debugger_if::dbg_enabled = true;
if (super::tgt_adapter == nullptr)
super::tgt_adapter = new riscv_target_adapter<ARCH>(srv, this->get_arch());
return super::tgt_adapter;
}
protected:
using this_class = vm_impl<ARCH>;
using compile_ret_t = virt_addr_t;
using compile_func = compile_ret_t (this_class::*)(virt_addr_t &pc, code_word_t instr);
inline const char *name(size_t index){return traits<ARCH>::reg_aliases.at(index);}
virt_addr_t execute_inst(virt_addr_t start, std::function<bool(void)> pred) override;
// some compile time constants
// enum { MASK16 = 0b1111110001100011, MASK32 = 0b11111111111100000111000001111111 };
enum { MASK16 = 0b1111111111111111, MASK32 = 0b11111111111100000111000001111111 };
enum { EXTR_MASK16 = MASK16 >> 2, EXTR_MASK32 = MASK32 >> 2 };
enum { LUT_SIZE = 1 << util::bit_count(EXTR_MASK32), LUT_SIZE_C = 1 << util::bit_count(EXTR_MASK16) };
std::array<compile_func, LUT_SIZE> lut;
std::array<compile_func, LUT_SIZE_C> lut_00, lut_01, lut_10;
std::array<compile_func, LUT_SIZE> lut_11;
std::array<compile_func *, 4> qlut;
std::array<const uint32_t, 4> lutmasks = {{EXTR_MASK16, EXTR_MASK16, EXTR_MASK16, EXTR_MASK32}};
void expand_bit_mask(int pos, uint32_t mask, uint32_t value, uint32_t valid, uint32_t idx, compile_func lut[],
compile_func f) {
if (pos < 0) {
lut[idx] = f;
} else {
auto bitmask = 1UL << pos;
if ((mask & bitmask) == 0) {
expand_bit_mask(pos - 1, mask, value, valid, idx, lut, f);
} else {
if ((valid & bitmask) == 0) {
expand_bit_mask(pos - 1, mask, value, valid, (idx << 1), lut, f);
expand_bit_mask(pos - 1, mask, value, valid, (idx << 1) + 1, lut, f);
} else {
auto new_val = idx << 1;
if ((value & bitmask) != 0) new_val++;
expand_bit_mask(pos - 1, mask, value, valid, new_val, lut, f);
}
}
}
}
inline uint32_t extract_fields(uint32_t val) { return extract_fields(29, val >> 2, lutmasks[val & 0x3], 0); }
uint32_t extract_fields(int pos, uint32_t val, uint32_t mask, uint32_t lut_val) {
if (pos >= 0) {
auto bitmask = 1UL << pos;
if ((mask & bitmask) == 0) {
lut_val = extract_fields(pos - 1, val, mask, lut_val);
} else {
auto new_val = lut_val << 1;
if ((val & bitmask) != 0) new_val++;
lut_val = extract_fields(pos - 1, val, mask, new_val);
}
}
return lut_val;
}
void raise_trap(uint16_t trap_id, uint16_t cause){
auto trap_val = 0x80ULL << 24 | (cause << 16) | trap_id;
this->template get_reg<uint32_t>(arch::traits<ARCH>::TRAP_STATE) = trap_val;
this->template get_reg<uint32_t>(arch::traits<ARCH>::NEXT_PC) = std::numeric_limits<uint32_t>::max();
}
void leave_trap(unsigned lvl){
this->core.leave_trap(lvl);
auto pc_val = super::template read_mem<reg_t>(traits<ARCH>::CSR, (lvl << 8) + 0x41);
this->template get_reg<reg_t>(arch::traits<ARCH>::NEXT_PC) = pc_val;
this->template get_reg<uint32_t>(arch::traits<ARCH>::LAST_BRANCH) = std::numeric_limits<uint32_t>::max();
}
void wait(unsigned type){
this->core.wait_until(type);
}
private:
/****************************************************************************
* start opcode definitions
****************************************************************************/
struct InstructionDesriptor {
size_t length;
uint32_t value;
uint32_t mask;
compile_func op;
};
const std::array<InstructionDesriptor, ${instructions.size}> instr_descr = {{
/* entries are: size, valid value, valid mask, function ptr */<%instructions.each{instr -> %>
/* instruction ${instr.instruction.name} */
{${instr.length}, ${instr.value}, ${instr.mask}, &this_class::__${generator.functionName(instr.name)}},<%}%>
}};
/* instruction definitions */<%instructions.eachWithIndex{instr, idx -> %>
/* instruction ${idx}: ${instr.name} */
compile_ret_t __${generator.functionName(instr.name)}(virt_addr_t& pc, code_word_t instr){<%instr.code.eachLine{%>
${it}<%}%>
}
<%}%>
/****************************************************************************
* end opcode definitions
****************************************************************************/
compile_ret_t illegal_intruction(virt_addr_t &pc, code_word_t instr) {
pc = pc + ((instr & 3) == 3 ? 4 : 2);
return pc;
}
};
template <typename CODE_WORD> void debug_fn(CODE_WORD insn) {
volatile CODE_WORD x = insn;
insn = 2 * x;
}
template <typename ARCH> vm_impl<ARCH>::vm_impl() { this(new ARCH()); }
template <typename ARCH>
vm_impl<ARCH>::vm_impl(ARCH &core, unsigned core_id, unsigned cluster_id)
: vm_base<ARCH>(core, core_id, cluster_id) {
qlut[0] = lut_00.data();
qlut[1] = lut_01.data();
qlut[2] = lut_10.data();
qlut[3] = lut_11.data();
for (auto instr : instr_descr) {
auto quantrant = instr.value & 0x3;
expand_bit_mask(29, lutmasks[quantrant], instr.value >> 2, instr.mask >> 2, 0, qlut[quantrant], instr.op);
}
}
template <typename ARCH>
typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(virt_addr_t start, std::function<bool(void)> pred) {
// we fetch at max 4 byte, alignment is 2
enum {TRAP_ID=1<<16};
const typename traits<ARCH>::addr_t upper_bits = ~traits<ARCH>::PGMASK;
code_word_t insn = 0;
auto *const data = (uint8_t *)&insn;
auto pc=start;
while(pred){
auto paddr = this->core.v2p(pc);
if ((pc.val & upper_bits) != ((pc.val + 2) & upper_bits)) { // we may cross a page boundary
if (this->core.read(paddr, 2, data) != iss::Ok) throw trap_access(TRAP_ID, pc.val);
if ((insn & 0x3) == 0x3) // this is a 32bit instruction
if (this->core.read(this->core.v2p(pc + 2), 2, data + 2) != iss::Ok) throw trap_access(TRAP_ID, pc.val);
} else {
if (this->core.read(paddr, 4, data) != iss::Ok) throw trap_access(TRAP_ID, pc.val);
}
if (insn == 0x0000006f || (insn&0xffff)==0xa001) throw simulation_stopped(0); // 'J 0' or 'C.J 0'
auto lut_val = extract_fields(insn);
auto f = qlut[insn & 0x3][lut_val];
if (!f)
f = &this_class::illegal_intruction;
pc = (this->*f)(pc, insn);
}
return pc;
}
} // namespace mnrv32
template <>
std::unique_ptr<vm_if> create<arch::${coreDef.name.toLowerCase()}>(arch::${coreDef.name.toLowerCase()} *core, unsigned short port, bool dump) {
auto ret = new ${coreDef.name.toLowerCase()}::vm_impl<arch::${coreDef.name.toLowerCase()}>(*core, dump);
if (port != 0) debugger::server<debugger::gdb_session>::run_server(ret, port);
return std::unique_ptr<vm_if>(ret);
}
} // namespace interp
} // namespace iss

1
incl/iss/arch/.gitignore vendored Normal file
View File

@ -0,0 +1 @@
/tgc_*.h

View File

@ -0,0 +1,242 @@
/*******************************************************************************
* Copyright (C) 2017, 2018, 2021 MINRES Technologies GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Contributors:
* eyck@minres.com - initial implementation
******************************************************************************/
#ifndef _RISCV_HART_COMMON
#define _RISCV_HART_COMMON
#include "iss/arch_if.h"
#include <cstdint>
namespace iss {
namespace arch {
enum { tohost_dflt = 0xF0001000, fromhost_dflt = 0xF0001040 };
enum riscv_csr {
/* user-level CSR */
// User Trap Setup
ustatus = 0x000,
uie = 0x004,
utvec = 0x005,
// User Trap Handling
uscratch = 0x040,
uepc = 0x041,
ucause = 0x042,
utval = 0x043,
uip = 0x044,
// User Floating-Point CSRs
fflags = 0x001,
frm = 0x002,
fcsr = 0x003,
// User Counter/Timers
cycle = 0xC00,
time = 0xC01,
instret = 0xC02,
hpmcounter3 = 0xC03,
hpmcounter4 = 0xC04,
/*...*/
hpmcounter31 = 0xC1F,
cycleh = 0xC80,
timeh = 0xC81,
instreth = 0xC82,
hpmcounter3h = 0xC83,
hpmcounter4h = 0xC84,
/*...*/
hpmcounter31h = 0xC9F,
/* supervisor-level CSR */
// Supervisor Trap Setup
sstatus = 0x100,
sedeleg = 0x102,
sideleg = 0x103,
sie = 0x104,
stvec = 0x105,
scounteren = 0x106,
// Supervisor Trap Handling
sscratch = 0x140,
sepc = 0x141,
scause = 0x142,
stval = 0x143,
sip = 0x144,
// Supervisor Protection and Translation
satp = 0x180,
/* machine-level CSR */
// Machine Information Registers
mvendorid = 0xF11,
marchid = 0xF12,
mimpid = 0xF13,
mhartid = 0xF14,
// Machine Trap Setup
mstatus = 0x300,
misa = 0x301,
medeleg = 0x302,
mideleg = 0x303,
mie = 0x304,
mtvec = 0x305,
mcounteren = 0x306,
mtvt = 0x307, //CLIC
// Machine Trap Handling
mscratch = 0x340,
mepc = 0x341,
mcause = 0x342,
mtval = 0x343,
mip = 0x344,
mxnti = 0x345, //CLIC
mintstatus = 0x346, // MRW Current interrupt levels (CLIC) - addr subject to change
mscratchcsw = 0x348, // MRW Conditional scratch swap on priv mode change (CLIC)
mscratchcswl = 0x349, // MRW Conditional scratch swap on level change (CLIC)
mintthresh = 0x350, // MRW Interrupt-level threshold (CLIC) - addr subject to change
mclicbase = 0x351, // MRW Base address for CLIC memory mapped registers (CLIC) - addr subject to change
// Physical Memory Protection
pmpcfg0 = 0x3A0,
pmpcfg1 = 0x3A1,
pmpcfg2 = 0x3A2,
pmpcfg3 = 0x3A3,
pmpaddr0 = 0x3B0,
pmpaddr1 = 0x3B1,
pmpaddr2 = 0x3B2,
pmpaddr3 = 0x3B3,
pmpaddr4 = 0x3B4,
pmpaddr5 = 0x3B5,
pmpaddr6 = 0x3B6,
pmpaddr7 = 0x3B7,
pmpaddr8 = 0x3B8,
pmpaddr9 = 0x3B9,
pmpaddr10 = 0x3BA,
pmpaddr11 = 0x3BB,
pmpaddr12 = 0x3BC,
pmpaddr13 = 0x3BD,
pmpaddr14 = 0x3BE,
pmpaddr15 = 0x3BF,
// Machine Counter/Timers
mcycle = 0xB00,
minstret = 0xB02,
mhpmcounter3 = 0xB03,
mhpmcounter4 = 0xB04,
/*...*/
mhpmcounter31 = 0xB1F,
mcycleh = 0xB80,
minstreth = 0xB82,
mhpmcounter3h = 0xB83,
mhpmcounter4h = 0xB84,
/*...*/
mhpmcounter31h = 0xB9F,
// Machine Counter Setup
mhpmevent3 = 0x323,
mhpmevent4 = 0x324,
/*...*/
mhpmevent31 = 0x33F,
// Debug/Trace Registers (shared with Debug Mode)
tselect = 0x7A0,
tdata1 = 0x7A1,
tdata2 = 0x7A2,
tdata3 = 0x7A3,
// Debug Mode Registers
dcsr = 0x7B0,
dpc = 0x7B1,
dscratch = 0x7B2
};
enum {
PGSHIFT = 12,
PTE_PPN_SHIFT = 10,
// page table entry (PTE) fields
PTE_V = 0x001, // Valid
PTE_R = 0x002, // Read
PTE_W = 0x004, // Write
PTE_X = 0x008, // Execute
PTE_U = 0x010, // User
PTE_G = 0x020, // Global
PTE_A = 0x040, // Accessed
PTE_D = 0x080, // Dirty
PTE_SOFT = 0x300 // Reserved for Software
};
template <typename T> inline bool PTE_TABLE(T PTE) { return (((PTE) & (PTE_V | PTE_R | PTE_W | PTE_X)) == PTE_V); }
enum { PRIV_U = 0, PRIV_S = 1, PRIV_M = 3 };
enum {
ISA_A = 1,
ISA_B = 1 << 1,
ISA_C = 1 << 2,
ISA_D = 1 << 3,
ISA_E = 1 << 4,
ISA_F = 1 << 5,
ISA_G = 1 << 6,
ISA_I = 1 << 8,
ISA_M = 1 << 12,
ISA_N = 1 << 13,
ISA_Q = 1 << 16,
ISA_S = 1 << 18,
ISA_U = 1 << 20
};
struct vm_info {
int levels;
int idxbits;
int ptesize;
uint64_t ptbase;
bool is_active() { return levels; }
};
class trap_load_access_fault : public trap_access {
public:
trap_load_access_fault(uint64_t badaddr)
: trap_access(5 << 16, badaddr) {}
};
class illegal_instruction_fault : public trap_access {
public:
illegal_instruction_fault(uint64_t badaddr)
: trap_access(2 << 16, badaddr) {}
};
class trap_instruction_page_fault : public trap_access {
public:
trap_instruction_page_fault(uint64_t badaddr)
: trap_access(12 << 16, badaddr) {}
};
class trap_load_page_fault : public trap_access {
public:
trap_load_page_fault(uint64_t badaddr)
: trap_access(13 << 16, badaddr) {}
};
class trap_store_page_fault : public trap_access {
public:
trap_store_page_fault(uint64_t badaddr)
: trap_access(15 << 16, badaddr) {}
};
}
}
#endif

View File

@ -1,5 +1,5 @@
/*******************************************************************************
* Copyright (C) 2017, 2018, MINRES Technologies GmbH
* Copyright (C) 2021 MINRES Technologies GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -32,11 +32,11 @@
* eyck@minres.com - initial implementation
******************************************************************************/
#ifndef _RISCV_CORE_H_
#define _RISCV_CORE_H_
#ifndef _RISCV_HART_M_P_H
#define _RISCV_HART_M_P_H
#include "riscv_hart_common.h"
#include "iss/arch/traits.h"
#include "iss/arch_if.h"
#include "iss/instrumentation_if.h"
#include "iss/log_categories.h"
#include "iss/vm_if.h"
@ -50,6 +50,7 @@
#include <sstream>
#include <type_traits>
#include <unordered_map>
#include <functional>
#include <util/bit_field.h>
#include <util/ities.h>
#include <util/sparse_array.h>
@ -65,191 +66,36 @@
namespace iss {
namespace arch {
enum { tohost_dflt = 0xF0001000, fromhost_dflt = 0xF0001040 };
enum riscv_csr {
/* user-level CSR */
// User Trap Setup
ustatus = 0x000,
uie = 0x004,
utvec = 0x005,
// User Trap Handling
uscratch = 0x040,
uepc = 0x041,
ucause = 0x042,
utval = 0x043,
uip = 0x044,
// User Floating-Point CSRs
fflags = 0x001,
frm = 0x002,
fcsr = 0x003,
// User Counter/Timers
cycle = 0xC00,
time = 0xC01,
instret = 0xC02,
hpmcounter3 = 0xC03,
hpmcounter4 = 0xC04,
/*...*/
hpmcounter31 = 0xC1F,
cycleh = 0xC80,
timeh = 0xC81,
instreth = 0xC82,
hpmcounter3h = 0xC83,
hpmcounter4h = 0xC84,
/*...*/
hpmcounter31h = 0xC9F,
/* supervisor-level CSR */
// Supervisor Trap Setup
sstatus = 0x100,
sedeleg = 0x102,
sideleg = 0x103,
sie = 0x104,
stvec = 0x105,
scounteren = 0x106,
// Supervisor Trap Handling
sscratch = 0x140,
sepc = 0x141,
scause = 0x142,
stval = 0x143,
sip = 0x144,
// Supervisor Protection and Translation
satp = 0x180,
/* machine-level CSR */
// Machine Information Registers
mvendorid = 0xF11,
marchid = 0xF12,
mimpid = 0xF13,
mhartid = 0xF14,
// Machine Trap Setup
mstatus = 0x300,
misa = 0x301,
medeleg = 0x302,
mideleg = 0x303,
mie = 0x304,
mtvec = 0x305,
mcounteren = 0x306,
// Machine Trap Handling
mscratch = 0x340,
mepc = 0x341,
mcause = 0x342,
mtval = 0x343,
mip = 0x344,
// Machine Protection and Translation
pmpcfg0 = 0x3A0,
pmpcfg1 = 0x3A1,
pmpcfg2 = 0x3A2,
pmpcfg3 = 0x3A3,
pmpaddr0 = 0x3B0,
pmpaddr1 = 0x3B1,
/*...*/
pmpaddr15 = 0x3BF,
// Machine Counter/Timers
mcycle = 0xB00,
minstret = 0xB02,
mhpmcounter3 = 0xB03,
mhpmcounter4 = 0xB04,
/*...*/
mhpmcounter31 = 0xB1F,
mcycleh = 0xB80,
minstreth = 0xB82,
mhpmcounter3h = 0xB83,
mhpmcounter4h = 0xB84,
/*...*/
mhpmcounter31h = 0xB9F,
// Machine Counter Setup
mhpmevent3 = 0x323,
mhpmevent4 = 0x324,
/*...*/
mhpmevent31 = 0x33F,
// Debug/Trace Registers (shared with Debug Mode)
tselect = 0x7A0,
tdata1 = 0x7A1,
tdata2 = 0x7A2,
tdata3 = 0x7A3,
// Debug Mode Registers
dcsr = 0x7B0,
dpc = 0x7B1,
dscratch = 0x7B2
};
namespace {
std::array<const char *, 16> trap_str = {{""
"Instruction address misaligned", // 0
"Instruction access fault", // 1
"Illegal instruction", // 2
"Breakpoint", // 3
"Load address misaligned", // 4
"Load access fault", // 5
"Store/AMO address misaligned", // 6
"Store/AMO access fault", // 7
"Environment call from U-mode", // 8
"Environment call from S-mode", // 9
"Reserved", // a
"Environment call from M-mode", // b
"Instruction page fault", // c
"Load page fault", // d
"Reserved", // e
"Store/AMO page fault"}};
std::array<const char *, 12> irq_str = {
{"User software interrupt", "Supervisor software interrupt", "Reserved", "Machine software interrupt",
"User timer interrupt", "Supervisor timer interrupt", "Reserved", "Machine timer interrupt",
"User external interrupt", "Supervisor external interrupt", "Reserved", "Machine external interrupt"}};
enum {
PGSHIFT = 12,
PTE_PPN_SHIFT = 10,
// page table entry (PTE) fields
PTE_V = 0x001, // Valid
PTE_R = 0x002, // Read
PTE_W = 0x004, // Write
PTE_X = 0x008, // Execute
PTE_U = 0x010, // User
PTE_G = 0x020, // Global
PTE_A = 0x040, // Accessed
PTE_D = 0x080, // Dirty
PTE_SOFT = 0x300 // Reserved for Software
};
template <typename T> inline bool PTE_TABLE(T PTE) { return (((PTE) & (PTE_V | PTE_R | PTE_W | PTE_X)) == PTE_V); }
enum { PRIV_U = 0, PRIV_S = 1, PRIV_M = 3 };
enum {
ISA_A = 1,
ISA_B = 1 << 1,
ISA_C = 1 << 2,
ISA_D = 1 << 3,
ISA_E = 1 << 4,
ISA_F = 1 << 5,
ISA_G = 1 << 6,
ISA_I = 1 << 8,
ISA_M = 1 << 12,
ISA_N = 1 << 13,
ISA_Q = 1 << 16,
ISA_S = 1 << 18,
ISA_U = 1 << 20
};
class trap_load_access_fault : public trap_access {
public:
trap_load_access_fault(uint64_t badaddr)
: trap_access(5 << 16, badaddr) {}
};
class illegal_instruction_fault : public trap_access {
public:
illegal_instruction_fault(uint64_t badaddr)
: trap_access(2 << 16, badaddr) {}
};
} // namespace
template <typename BASE> class riscv_hart_m_p : public BASE {
protected:
const std::array<const char, 4> lvl = {{'U', 'S', 'H', 'M'}};
const std::array<const char *, 16> trap_str = {{""
"Instruction address misaligned", // 0
"Instruction access fault", // 1
"Illegal instruction", // 2
"Breakpoint", // 3
"Load address misaligned", // 4
"Load access fault", // 5
"Store/AMO address misaligned", // 6
"Store/AMO access fault", // 7
"Environment call from U-mode", // 8
"Environment call from S-mode", // 9
"Reserved", // a
"Environment call from M-mode", // b
"Instruction page fault", // c
"Load page fault", // d
"Reserved", // e
"Store/AMO page fault"}};
const std::array<const char *, 12> irq_str = {
{"User software interrupt", "Supervisor software interrupt", "Reserved", "Machine software interrupt",
"User timer interrupt", "Supervisor timer interrupt", "Reserved", "Machine timer interrupt",
"User external interrupt", "Supervisor external interrupt", "Reserved", "Machine external interrupt"}};
public:
using super = BASE;
using core = BASE;
using this_class = riscv_hart_m_p<BASE>;
using phys_addr_t = typename super::phys_addr_t;
using reg_t = typename super::reg_t;
using addr_t = typename super::addr_t;
using phys_addr_t = typename core::phys_addr_t;
using reg_t = typename core::reg_t;
using addr_t = typename core::addr_t;
using rd_csr_f = iss::status (this_class::*)(unsigned addr, reg_t &);
using wr_csr_f = iss::status (this_class::*)(unsigned addr, reg_t);
@ -298,25 +144,40 @@ public:
mstatus_t mstatus;
static const reg_t mstatus_reset_val = 0;
static const reg_t mstatus_reset_val = 0x1800;
void write_mstatus(T val) {
auto mask = get_mask();
auto mask = get_mask() &0xff; // MPP is hardcode as 0x3
auto new_val = (mstatus.backing.val & ~mask) | (val & mask);
mstatus = new_val;
}
T satp;
static constexpr T get_misa() { return (1UL << 30) | ISA_I | ISA_M | ISA_A | ISA_U | ISA_S | ISA_M; }
static constexpr uint32_t get_mask() {
return 0x807ff9ddUL; // 0b1000 0000 0111 1111 1111 1001 1011 1011 // only machine mode is supported
//return 0x807ff988UL; // 0b1000 0000 0111 1111 1111 1000 1000 1000 // only machine mode is supported
// +-SD
// | +-TSR
// | |+-TW
// | ||+-TVM
// | |||+-MXR
// | ||||+-SUM
// | |||||+-MPRV
// | |||||| +-XS
// | |||||| | +-FS
// | |||||| | | +-MPP
// | |||||| | | | +-SPP
// | |||||| | | | |+-MPIE
// | ||||||/|/|/| || +-MIE
return 0b00000000000000000001100010001000;
}
};
using hart_state_type = hart_state<reg_t>;
constexpr reg_t get_irq_mask() {
return 0b101110111011; // only machine mode is supported
return 0b100010001000; // only machine mode is supported
}
constexpr reg_t get_pc_mask() {
return traits<BASE>::MISA_VAL&0b0100?~1:~3;
}
riscv_hart_m_p();
@ -331,8 +192,8 @@ public:
iss::status write(const address_type type, const access_type access, const uint32_t space,
const uint64_t addr, const unsigned length, const uint8_t *const data) override;
virtual uint64_t enter_trap(uint64_t flags) override { return riscv_hart_m_p::enter_trap(flags, fault_data); }
virtual uint64_t enter_trap(uint64_t flags, uint64_t addr) override;
virtual uint64_t enter_trap(uint64_t flags) override { return riscv_hart_m_p::enter_trap(flags, fault_data, fault_data); }
virtual uint64_t enter_trap(uint64_t flags, uint64_t addr, uint64_t instr) override;
virtual uint64_t leave_trap(uint64_t flags) override;
const reg_t& get_mhartid() const { return mhartid_reg; }
@ -344,7 +205,19 @@ public:
};
iss::instrumentation_if *get_instrumentation_if() override { return &instr_if; }
void setMemReadCb(std::function<iss::status(phys_addr_t, unsigned, uint8_t* const)> const& memReadCb) {
mem_read_cb = memReadCb;
}
void setMemWriteCb(std::function<iss::status(phys_addr_t, unsigned, const uint8_t* const)> const& memWriteCb) {
mem_write_cb = memWriteCb;
}
void set_csr(unsigned addr, reg_t val){
csr[addr & csr.page_addr_mask] = val;
}
protected:
struct riscv_instrumentation_if : public iss::instrumentation_if {
@ -376,8 +249,11 @@ protected:
virtual iss::status read_csr(unsigned addr, reg_t &val);
virtual iss::status write_csr(unsigned addr, reg_t val);
hart_state<reg_t> state;
uint64_t cycle_offset;
hart_state_type state;
int64_t cycle_offset{0};
uint64_t mcycle_csr{0};
int64_t instret_offset{0};
uint64_t minstret_csr{0};
reg_t fault_data;
uint64_t tohost = tohost_dflt;
uint64_t fromhost = fromhost_dflt;
@ -396,17 +272,29 @@ protected:
std::unordered_map<unsigned, wr_csr_f> csr_wr_cb;
private:
iss::status read_reg(unsigned addr, reg_t &val);
iss::status write_reg(unsigned addr, reg_t val);
iss::status read_null(unsigned addr, reg_t &val);
iss::status write_null(unsigned addr, reg_t val){return iss::status::Ok;}
iss::status read_cycle(unsigned addr, reg_t &val);
iss::status write_cycle(unsigned addr, reg_t val);
iss::status read_instret(unsigned addr, reg_t &val);
iss::status write_instret(unsigned addr, reg_t val);
iss::status read_tvec(unsigned addr, reg_t &val);
iss::status read_time(unsigned addr, reg_t &val);
iss::status read_status(unsigned addr, reg_t &val);
iss::status write_status(unsigned addr, reg_t val);
iss::status write_cause(unsigned addr, reg_t val);
iss::status read_ie(unsigned addr, reg_t &val);
iss::status write_ie(unsigned addr, reg_t val);
iss::status read_ip(unsigned addr, reg_t &val);
iss::status write_ip(unsigned addr, reg_t val);
iss::status read_hartid(unsigned addr, reg_t &val);
iss::status write_epc(unsigned addr, reg_t val);
reg_t mhartid_reg{0xF};
reg_t mhartid_reg{0x0};
std::function<iss::status(phys_addr_t, unsigned, uint8_t *const)>mem_read_cb;
std::function<iss::status(phys_addr_t, unsigned, const uint8_t *const)> mem_write_cb;
protected:
void check_interrupt();
@ -415,30 +303,71 @@ protected:
template <typename BASE>
riscv_hart_m_p<BASE>::riscv_hart_m_p()
: state()
, cycle_offset(0)
, instr_if(*this) {
csr[misa] = hart_state<reg_t>::get_misa();
// reset values
csr[misa] = traits<BASE>::MISA_VAL;
csr[mvendorid] = 0x669;
csr[marchid] = 0x80000003;
csr[mimpid] = 1;
uart_buf.str("");
// read-only registers
csr_wr_cb[misa] = nullptr;
for (unsigned addr = mcycle; addr <= hpmcounter31; ++addr) csr_wr_cb[addr] = nullptr;
for (unsigned addr = mcycleh; addr <= hpmcounter31h; ++addr) csr_wr_cb[addr] = nullptr;
// special handling
csr_rd_cb[time] = &riscv_hart_m_p<BASE>::read_time;
csr_wr_cb[time] = nullptr;
csr_rd_cb[timeh] = &riscv_hart_m_p<BASE>::read_time;
csr_wr_cb[timeh] = nullptr;
csr_rd_cb[mcycle] = &riscv_hart_m_p<BASE>::read_cycle;
csr_rd_cb[mcycleh] = &riscv_hart_m_p<BASE>::read_cycle;
csr_rd_cb[minstret] = &riscv_hart_m_p<BASE>::read_cycle;
csr_rd_cb[minstreth] = &riscv_hart_m_p<BASE>::read_cycle;
csr_rd_cb[mstatus] = &riscv_hart_m_p<BASE>::read_status;
csr_wr_cb[mstatus] = &riscv_hart_m_p<BASE>::write_status;
csr_rd_cb[mip] = &riscv_hart_m_p<BASE>::read_ip;
csr_wr_cb[mip] = &riscv_hart_m_p<BASE>::write_ip;
csr_rd_cb[mie] = &riscv_hart_m_p<BASE>::read_ie;
csr_wr_cb[mie] = &riscv_hart_m_p<BASE>::write_ie;
csr_rd_cb[mhartid] = &riscv_hart_m_p<BASE>::read_hartid;
for (unsigned addr = mhpmcounter3; addr <= mhpmcounter31; ++addr){
csr_rd_cb[addr] = &this_class::read_null;
csr_wr_cb[addr] = &this_class::write_reg;
}
for (unsigned addr = mhpmcounter3h; addr <= mhpmcounter31h; ++addr){
csr_rd_cb[addr] = &this_class::read_null;
csr_wr_cb[addr] = &this_class::write_reg;
}
for (unsigned addr = mhpmevent3; addr <= mhpmevent31; ++addr){
csr_rd_cb[addr] = &this_class::read_null;
csr_wr_cb[addr] = &this_class::write_reg;
}
for (unsigned addr = hpmcounter3; addr <= hpmcounter31; ++addr){
csr_rd_cb[addr] = &this_class::read_null;
}
for (unsigned addr = hpmcounter3h; addr <= hpmcounter31h; ++addr){
csr_rd_cb[addr] = &this_class::read_null;
//csr_wr_cb[addr] = &this_class::write_reg;
}
// common regs
const std::array<unsigned, 10> addrs{{misa, mvendorid, marchid, mimpid, mepc, mtvec, mscratch, mcause, mtval, mscratch}};
for(auto addr: addrs) {
csr_rd_cb[addr] = &this_class::read_reg;
csr_wr_cb[addr] = &this_class::write_reg;
}
// special handling & overrides
csr_rd_cb[time] = &this_class::read_time;
csr_rd_cb[timeh] = &this_class::read_time;
csr_rd_cb[cycle] = &this_class::read_cycle;
csr_rd_cb[cycleh] = &this_class::read_cycle;
csr_rd_cb[instret] = &this_class::read_instret;
csr_rd_cb[instreth] = &this_class::read_instret;
csr_rd_cb[mcycle] = &this_class::read_cycle;
csr_wr_cb[mcycle] = &this_class::write_cycle;
csr_rd_cb[mcycleh] = &this_class::read_cycle;
csr_wr_cb[mcycleh] = &this_class::write_cycle;
csr_rd_cb[minstret] = &this_class::read_instret;
csr_wr_cb[minstret] = &this_class::write_instret;
csr_rd_cb[minstreth] = &this_class::read_instret;
csr_wr_cb[minstreth] = &this_class::write_instret;
csr_rd_cb[mstatus] = &this_class::read_status;
csr_wr_cb[mstatus] = &this_class::write_status;
csr_wr_cb[mcause] = &this_class::write_cause;
csr_rd_cb[mtvec] = &this_class::read_tvec;
csr_wr_cb[mepc] = &this_class::write_epc;
csr_rd_cb[mip] = &this_class::read_ip;
csr_wr_cb[mip] = &this_class::write_ip;
csr_rd_cb[mie] = &this_class::read_ie;
csr_wr_cb[mie] = &this_class::write_ie;
csr_rd_cb[mhartid] = &this_class::read_hartid;
csr_rd_cb[mcounteren] = &this_class::read_null;
csr_wr_cb[mcounteren] = &this_class::write_null;
csr_wr_cb[misa] = &this_class::write_null;
csr_wr_cb[mvendorid] = &this_class::write_null;
csr_wr_cb[marchid] = &this_class::write_null;
csr_wr_cb[mimpid] = &this_class::write_null;
}
template <typename BASE> std::pair<uint64_t, bool> riscv_hart_m_p<BASE>::load_file(std::string name, int type) {
@ -459,6 +388,7 @@ template <typename BASE> std::pair<uint64_t, bool> riscv_hart_m_p<BASE>::load_fi
if (sizeof(reg_t) == 4) throw std::runtime_error("wrong elf class in file");
if (reader.get_type() != ET_EXEC) throw std::runtime_error("wrong elf type in file");
if (reader.get_machine() != EM_RISCV) throw std::runtime_error("wrong elf machine in file");
auto entry = reader.get_entry();
for (const auto pseg : reader.segments) {
const auto fsize = pseg->get_file_size(); // 0x42c/0x0
const auto seg_data = pseg->get_data();
@ -467,18 +397,39 @@ template <typename BASE> std::pair<uint64_t, bool> riscv_hart_m_p<BASE>::load_fi
traits<BASE>::MEM, pseg->get_physical_address(),
fsize, reinterpret_cast<const uint8_t *const>(seg_data));
if (res != iss::Ok)
LOG(ERROR) << "problem writing " << fsize << "bytes to 0x" << std::hex
LOG(ERR) << "problem writing " << fsize << "bytes to 0x" << std::hex
<< pseg->get_physical_address();
}
}
for (const auto sec : reader.sections) {
if (sec->get_name() == ".tohost") {
for(const auto sec : reader.sections) {
if(sec->get_name() == ".symtab") {
if ( SHT_SYMTAB == sec->get_type() ||
SHT_DYNSYM == sec->get_type() ) {
ELFIO::symbol_section_accessor symbols( reader, sec );
auto sym_no = symbols.get_symbols_num();
std::string name;
ELFIO::Elf64_Addr value = 0;
ELFIO::Elf_Xword size = 0;
unsigned char bind = 0;
unsigned char type = 0;
ELFIO::Elf_Half section = 0;
unsigned char other = 0;
for ( auto i = 0U; i < sym_no; ++i ) {
symbols.get_symbol( i, name, value, size, bind, type, section, other );
if(name=="tohost") {
tohost = value;
} else if(name=="fromhost") {
fromhost = value;
}
}
}
} else if (sec->get_name() == ".tohost") {
tohost = sec->get_address();
fromhost = tohost + 0x40;
}
}
return std::make_pair(reader.get_entry(), true);
}
return std::make_pair(entry, true);
}
throw std::runtime_error("memory load file is not a valid elf file");
}
@ -507,13 +458,23 @@ iss::status riscv_hart_m_p<BASE>::read(const address_type type, const access_typ
return iss::Err;
}
try {
auto alignment = access == iss::access_type::FETCH? (traits<BASE>::MISA_VAL&0x100? 2 : 4) : length;
if(alignment>1 && (addr&(alignment-1))){
this->reg.trap_state = 1<<31 | 4<<16;
fault_data=addr;
return iss::Err;
}
auto res = type==iss::address_type::PHYSICAL?
read_mem( BASE::v2p(phys_addr_t{access, space, addr}), length, data):
read_mem( BASE::v2p(iss::addr_t{access, type, space, addr}), length, data);
if (unlikely(res != iss::Ok)) this->reg.trap_state = (1 << 31) | (5 << 16); // issue trap 5 (load access fault
if (unlikely(res != iss::Ok)){
this->reg.trap_state = (1 << 31) | (5 << 16); // issue trap 5 (load access fault
fault_data=addr;
}
return res;
} catch (trap_access &ta) {
this->reg.trap_state = (1 << 31) | ta.id;
fault_data=ta.addr;
return iss::Err;
}
} break;
@ -539,6 +500,7 @@ iss::status riscv_hart_m_p<BASE>::read(const address_type type, const access_typ
return iss::Ok;
} catch (trap_access &ta) {
this->reg.trap_state = (1 << 31) | ta.id;
fault_data=ta.addr;
return iss::Err;
}
}
@ -579,14 +541,22 @@ iss::status riscv_hart_m_p<BASE>::write(const address_type type, const access_ty
return iss::Err;
}
try {
if(!(access && iss::access_type::DEBUG) && length>1 && (addr&(length-1))){
this->reg.trap_state = 1<<31 | 6<<16;
fault_data=addr;
return iss::Err;
}
auto res = type==iss::address_type::PHYSICAL?
write_mem(phys_addr_t{access, space, addr}, length, data):
write_mem(BASE::v2p(iss::addr_t{access, type, space, addr}), length, data);
if (unlikely(res != iss::Ok))
this->reg.trap_state = (1 << 31) | (5 << 16); // issue trap 7 (Store/AMO access fault)
if (unlikely(res != iss::Ok)) {
this->reg.trap_state = (1 << 31) | (7 << 16); // issue trap 7 (Store/AMO access fault)
fault_data=addr;
}
return res;
} catch (trap_access &ta) {
this->reg.trap_state = (1 << 31) | ta.id;
fault_data=ta.addr;
return iss::Err;
}
@ -646,6 +616,7 @@ iss::status riscv_hart_m_p<BASE>::write(const address_type type, const access_ty
return iss::Ok;
} catch (trap_access &ta) {
this->reg.trap_state = (1 << 31) | ta.id;
fault_data=ta.addr;
return iss::Err;
}
}
@ -653,32 +624,40 @@ iss::status riscv_hart_m_p<BASE>::write(const address_type type, const access_ty
template <typename BASE> iss::status riscv_hart_m_p<BASE>::read_csr(unsigned addr, reg_t &val) {
if (addr >= csr.size()) return iss::Err;
auto req_priv_lvl = (addr >> 8) & 0x3;
if (this->reg.machine_state < req_priv_lvl) throw illegal_instruction_fault(this->fault_data);
if (this->reg.PRIV < req_priv_lvl) // not having required privileges
throw illegal_instruction_fault(this->fault_data);
auto it = csr_rd_cb.find(addr);
if (it == csr_rd_cb.end()) {
val = csr[addr & csr.page_addr_mask];
return iss::Ok;
}
rd_csr_f f = it->second;
if (f == nullptr) throw illegal_instruction_fault(this->fault_data);
return (this->*f)(addr, val);
if (it == csr_rd_cb.end() || !it->second) // non existent register
throw illegal_instruction_fault(this->fault_data);
return (this->*(it->second))(addr, val);
}
template <typename BASE> iss::status riscv_hart_m_p<BASE>::write_csr(unsigned addr, reg_t val) {
if (addr >= csr.size()) return iss::Err;
auto req_priv_lvl = (addr >> 8) & 0x3;
if (this->reg.machine_state < req_priv_lvl)
if (this->reg.PRIV < req_priv_lvl) // not having required privileges
throw illegal_instruction_fault(this->fault_data);
if((addr&0xc00)==0xc00)
if((addr&0xc00)==0xc00) // writing to read-only region
throw illegal_instruction_fault(this->fault_data);
auto it = csr_wr_cb.find(addr);
if (it == csr_wr_cb.end()) {
csr[addr & csr.page_addr_mask] = val;
return iss::Ok;
}
wr_csr_f f = it->second;
if (f == nullptr) throw illegal_instruction_fault(this->fault_data);
return (this->*f)(addr, val);
if (it == csr_wr_cb.end() || !it->second) // non existent register
throw illegal_instruction_fault(this->fault_data);
return (this->*(it->second))(addr, val);
}
template <typename BASE> iss::status riscv_hart_m_p<BASE>::read_reg(unsigned addr, reg_t &val) {
val = csr[addr];
return iss::Ok;
}
template <typename BASE> iss::status riscv_hart_m_p<BASE>::read_null(unsigned addr, reg_t &val) {
val = 0;
return iss::Ok;
}
template <typename BASE> iss::status riscv_hart_m_p<BASE>::write_reg(unsigned addr, reg_t val) {
csr[addr] = val;
return iss::Ok;
}
template <typename BASE> iss::status riscv_hart_m_p<BASE>::read_cycle(unsigned addr, reg_t &val) {
@ -692,8 +671,50 @@ template <typename BASE> iss::status riscv_hart_m_p<BASE>::read_cycle(unsigned a
return iss::Ok;
}
template <typename BASE> iss::status riscv_hart_m_p<BASE>::write_cycle(unsigned addr, reg_t val) {
if (sizeof(typename traits<BASE>::reg_t) != 4) {
if (addr == mcycleh)
return iss::Err;
mcycle_csr = static_cast<uint64_t>(val);
} else {
if (addr == mcycle) {
mcycle_csr = (mcycle_csr & 0xffffffff00000000) + val;
} else {
mcycle_csr = (static_cast<uint64_t>(val)<<32) + (mcycle_csr & 0xffffffff);
}
}
cycle_offset = mcycle_csr-this->reg.icount; // TODO: relying on wrap-around
return iss::Ok;
}
template <typename BASE> iss::status riscv_hart_m_p<BASE>::read_instret(unsigned addr, reg_t &val) {
if ((addr&0xff) == (minstret&0xff)) {
val = static_cast<reg_t>(this->reg.instret);
} else if ((addr&0xff) == (minstreth&0xff)) {
if (sizeof(typename traits<BASE>::reg_t) != 4) return iss::Err;
val = static_cast<reg_t>(this->reg.instret >> 32);
}
return iss::Ok;
}
template <typename BASE> iss::status riscv_hart_m_p<BASE>::write_instret(unsigned addr, reg_t val) {
if (sizeof(typename traits<BASE>::reg_t) != 4) {
if ((addr&0xff) == (minstreth&0xff))
return iss::Err;
this->reg.instret = static_cast<uint64_t>(val);
} else {
if ((addr&0xff) == (minstret&0xff)) {
this->reg.instret = (this->reg.instret & 0xffffffff00000000) + val;
} else {
this->reg.instret = (static_cast<uint64_t>(val)<<32) + (this->reg.instret & 0xffffffff);
}
}
this->reg.instret--;
return iss::Ok;
}
template <typename BASE> iss::status riscv_hart_m_p<BASE>::read_time(unsigned addr, reg_t &val) {
uint64_t time_val = (this->reg.icount + cycle_offset) / (100000000 / 32768 - 1); //-> ~3052;
uint64_t time_val = this->reg.icount / (100000000 / 32768 - 1); //-> ~3052;
if (addr == time) {
val = static_cast<reg_t>(time_val);
} else if (addr == timeh) {
@ -703,8 +724,13 @@ template <typename BASE> iss::status riscv_hart_m_p<BASE>::read_time(unsigned ad
return iss::Ok;
}
template <typename BASE> iss::status riscv_hart_m_p<BASE>::read_tvec(unsigned addr, reg_t &val) {
val = csr[mtvec] & ~2;
return iss::Ok;
}
template <typename BASE> iss::status riscv_hart_m_p<BASE>::read_status(unsigned addr, reg_t &val) {
val = state.mstatus & hart_state<reg_t>::get_mask();
val = state.mstatus & hart_state_type::get_mask();
return iss::Ok;
}
@ -714,9 +740,13 @@ template <typename BASE> iss::status riscv_hart_m_p<BASE>::write_status(unsigned
return iss::Ok;
}
template <typename BASE> iss::status riscv_hart_m_p<BASE>::write_cause(unsigned addr, reg_t val) {
csr[mcause] = val & ((1UL<<(traits<BASE>::XLEN-1))|0xf); //TODO: make exception code size configurable
return iss::Ok;
}
template <typename BASE> iss::status riscv_hart_m_p<BASE>::read_ie(unsigned addr, reg_t &val) {
val = csr[mie];
val &= csr[mideleg];
return iss::Ok;
}
@ -734,7 +764,6 @@ template <typename BASE> iss::status riscv_hart_m_p<BASE>::write_ie(unsigned add
template <typename BASE> iss::status riscv_hart_m_p<BASE>::read_ip(unsigned addr, reg_t &val) {
val = csr[mip];
val &= csr[mideleg];
return iss::Ok;
}
@ -746,9 +775,14 @@ template <typename BASE> iss::status riscv_hart_m_p<BASE>::write_ip(unsigned add
return iss::Ok;
}
template <typename BASE> iss::status riscv_hart_m_p<BASE>::write_epc(unsigned addr, reg_t val) {
csr[addr] = val & get_pc_mask();
return iss::Ok;
}
template <typename BASE>
iss::status riscv_hart_m_p<BASE>::read_mem(phys_addr_t paddr, unsigned length, uint8_t *const data) {
if ((paddr.val + length) > mem.size()) return iss::Err;
if(mem_read_cb) return mem_read_cb(paddr, length, data);
switch (paddr.val) {
case 0x0200BFF8: { // CLINT base, mtime reg
if (sizeof(reg_t) < length) return iss::Err;
@ -763,9 +797,9 @@ iss::status riscv_hart_m_p<BASE>::read_mem(phys_addr_t paddr, unsigned length, u
if (this->reg.icount > 30000) data[3] |= 0x80;
} break;
default: {
const auto &p = mem(paddr.val / mem.page_size);
auto offs = paddr.val & mem.page_addr_mask;
std::copy(p.data() + offs, p.data() + offs + length, data);
for(auto offs=0U; offs<length; ++offs) {
*(data + offs)=mem[(paddr.val+offs)%mem.size()];
}
}
}
return iss::Ok;
@ -773,7 +807,7 @@ iss::status riscv_hart_m_p<BASE>::read_mem(phys_addr_t paddr, unsigned length, u
template <typename BASE>
iss::status riscv_hart_m_p<BASE>::write_mem(phys_addr_t paddr, unsigned length, const uint8_t *const data) {
if ((paddr.val + length) > mem.size()) return iss::Err;
if(mem_write_cb) return mem_write_cb(paddr, length, data);
switch (paddr.val) {
case 0x10013000: // UART0 base, TXFIFO reg
case 0x10023000: // UART1 base, TXFIFO reg
@ -804,9 +838,10 @@ iss::status riscv_hart_m_p<BASE>::write_mem(phys_addr_t paddr, unsigned length,
std::copy(data, data + length, p.data() + (paddr.val & mem.page_addr_mask));
// tohost handling in case of riscv-test
if (paddr.access && iss::access_type::FUNC) {
auto tohost_upper = (traits<BASE>::XLEN == 32 && paddr.val == (tohost + 4));
auto tohost_upper = (traits<BASE>::XLEN == 32 && paddr.val == (tohost + 4)) ||
(traits<BASE>::XLEN == 64 && paddr.val == tohost);
auto tohost_lower =
(traits<BASE>::XLEN == 32 && paddr.val == tohost);
(traits<BASE>::XLEN == 32 && paddr.val == tohost) || (traits<BASE>::XLEN == 64 && paddr.val == tohost);
if (tohost_lower || tohost_upper) {
uint64_t hostvar = *reinterpret_cast<uint64_t *>(p.data() + (tohost & mem.page_addr_mask));
if (tohost_upper || (tohost_lower && to_host_wr_cnt > 0)) {
@ -837,7 +872,8 @@ iss::status riscv_hart_m_p<BASE>::write_mem(phys_addr_t paddr, unsigned length,
}
} else if (tohost_lower)
to_host_wr_cnt++;
} else if (traits<BASE>::XLEN == 32 && paddr.val == fromhost + 4) {
} else if ((traits<BASE>::XLEN == 32 && paddr.val == fromhost + 4) ||
(traits<BASE>::XLEN == 64 && paddr.val == fromhost)) {
uint64_t fhostvar = *reinterpret_cast<uint64_t *>(p.data() + (fromhost & mem.page_addr_mask));
*reinterpret_cast<uint64_t *>(p.data() + (tohost & mem.page_addr_mask)) = fhostvar;
}
@ -849,11 +885,11 @@ iss::status riscv_hart_m_p<BASE>::write_mem(phys_addr_t paddr, unsigned length,
template <typename BASE> inline void riscv_hart_m_p<BASE>::reset(uint64_t address) {
BASE::reset(address);
state.mstatus = hart_state<reg_t>::mstatus_reset_val;
state.mstatus = hart_state_type::mstatus_reset_val;
}
template <typename BASE> void riscv_hart_m_p<BASE>::check_interrupt() {
auto ideleg = csr[mideleg];
//auto ideleg = csr[mideleg];
// Multiple simultaneous interrupts and traps at the same privilege level are
// handled in the following decreasing priority order:
// external interrupts, software interrupts, timer interrupts, then finally
@ -861,17 +897,20 @@ template <typename BASE> void riscv_hart_m_p<BASE>::check_interrupt() {
auto ena_irq = csr[mip] & csr[mie];
bool mie = state.mstatus.MIE;
auto m_enabled = this->reg.machine_state < PRIV_M || (this->reg.machine_state == PRIV_M && mie);
auto enabled_interrupts = m_enabled ? ena_irq & ~ideleg : 0;
auto m_enabled = this->reg.PRIV < PRIV_M || (this->reg.PRIV == PRIV_M && mie);
auto enabled_interrupts = m_enabled ? ena_irq : 0;
if (enabled_interrupts != 0) {
int res = 0;
while ((enabled_interrupts & 1) == 0) enabled_interrupts >>= 1, res++;
while ((enabled_interrupts & 1) == 0) {
enabled_interrupts >>= 1;
res++;
}
this->reg.pending_trap = res << 16 | 1; // 0x80 << 24 | (cause << 16) | trap_id
}
}
template <typename BASE> uint64_t riscv_hart_m_p<BASE>::enter_trap(uint64_t flags, uint64_t addr) {
template <typename BASE> uint64_t riscv_hart_m_p<BASE>::enter_trap(uint64_t flags, uint64_t addr, uint64_t instr) {
// flags are ACTIVE[31:31], CAUSE[30:16], TRAPID[15:0]
// calculate and write mcause val
auto trap_id = bit_sub<0, 16>(flags);
@ -880,11 +919,11 @@ template <typename BASE> uint64_t riscv_hart_m_p<BASE>::enter_trap(uint64_t flag
// calculate effective privilege level
if (trap_id == 0) { // exception
// store ret addr in xepc register
csr[mepc] = static_cast<reg_t>(addr); // store actual address instruction of exception
csr[mtval] = fault_data;
csr[mepc] = static_cast<reg_t>(addr) & get_pc_mask(); // store actual address instruction of exception
csr[mtval] = cause==2?((instr & 0x3)==3?instr:instr&0xffff):fault_data;
fault_data = 0;
} else {
csr[mepc] = this->reg.NEXT_PC; // store next address if interrupt
csr[mepc] = this->reg.NEXT_PC & get_pc_mask(); // store next address if interrupt
this->reg.pending_trap = 0;
}
csr[mcause] = (trap_id << 31) + cause;
@ -903,13 +942,17 @@ template <typename BASE> uint64_t riscv_hart_m_p<BASE>::enter_trap(uint64_t flag
auto ivec = csr[mtvec];
// calculate addr// set NEXT_PC to trap addressess to jump to based on MODE
// bits in mtvec
this->reg.NEXT_PC = ivec & ~0x1UL;
this->reg.NEXT_PC = ivec & ~0x3UL;
if ((ivec & 0x1) == 1 && trap_id != 0) this->reg.NEXT_PC += 4 * cause;
// reset trap state
this->reg.machine_state = PRIV_M;
this->reg.PRIV = PRIV_M;
this->reg.trap_state = 0;
std::array<char, 32> buffer;
#if defined(_MSC_VER)
sprintf(buffer.data(), "0x%016llx", addr);
#else
sprintf(buffer.data(), "0x%016lx", addr);
#endif
if((flags&0xffffffff) != 0xffffffff)
CLOG(INFO, disass) << (trap_id ? "Interrupt" : "Trap") << " with cause '"
<< (trap_id ? irq_str[cause] : trap_str[cause]) << "' (" << cause << ")"
@ -918,27 +961,16 @@ template <typename BASE> uint64_t riscv_hart_m_p<BASE>::enter_trap(uint64_t flag
}
template <typename BASE> uint64_t riscv_hart_m_p<BASE>::leave_trap(uint64_t flags) {
auto cur_priv = this->reg.machine_state;
auto inst_priv = flags & 0x3;
auto status = state.mstatus;
// pop the relevant lower-privilege interrupt enable and privilege mode stack
// clear respective yIE
if (inst_priv == PRIV_M) {
this->reg.machine_state = state.mstatus.MPP;
state.mstatus.MPP = 0; // clear mpp to U mode
state.mstatus.MIE = state.mstatus.MPIE;
} else {
CLOG(ERROR, disass) << "Unsupported mode:" << inst_priv;
}
state.mstatus.MIE = state.mstatus.MPIE;
state.mstatus.MPIE = 1;
// sets the pc to the value stored in the x epc register.
this->reg.NEXT_PC = csr[mepc];
this->reg.NEXT_PC = csr[mepc] & get_pc_mask();
CLOG(INFO, disass) << "Executing xRET";
check_interrupt();
return this->reg.NEXT_PC;
}
} // namespace arch
} // namespace iss
#endif /* _RISCV_CORE_H_ */
#endif /* _RISCV_HART_M_P_H */

File diff suppressed because it is too large Load Diff

File diff suppressed because it is too large Load Diff

282
incl/iss/arch/tgc_c.h Normal file
View File

@ -0,0 +1,282 @@
/*******************************************************************************
* Copyright (C) 2017 - 2021 MINRES Technologies GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*******************************************************************************/
#ifndef _TGC_C_H_
#define _TGC_C_H_
#include <array>
#include <iss/arch/traits.h>
#include <iss/arch_if.h>
#include <iss/vm_if.h>
namespace iss {
namespace arch {
struct tgc_c;
template <> struct traits<tgc_c> {
constexpr static char const* const core_type = "TGC_C";
static constexpr std::array<const char*, 35> reg_names{
{"X0", "X1", "X2", "X3", "X4", "X5", "X6", "X7", "X8", "X9", "X10", "X11", "X12", "X13", "X14", "X15", "X16", "X17", "X18", "X19", "X20", "X21", "X22", "X23", "X24", "X25", "X26", "X27", "X28", "X29", "X30", "X31", "PC", "NEXT_PC", "PRIV"}};
static constexpr std::array<const char*, 35> reg_aliases{
{"X0", "X1", "X2", "X3", "X4", "X5", "X6", "X7", "X8", "X9", "X10", "X11", "X12", "X13", "X14", "X15", "X16", "X17", "X18", "X19", "X20", "X21", "X22", "X23", "X24", "X25", "X26", "X27", "X28", "X29", "X30", "X31", "PC", "NEXT_PC", "PRIV"}};
enum constants {XLEN=32, PCLEN=32, MISA_VAL=0b01000000000000000001000100000100, PGSIZE=0x1000, PGMASK=0b111111111111, CSR_SIZE=4096, fence=0, fencei=1, fencevmal=2, fencevmau=3, MUL_LEN=64};
constexpr static unsigned FP_REGS_SIZE = 0;
enum reg_e {
X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23, X24, X25, X26, X27, X28, X29, X30, X31, PC, NEXT_PC, PRIV, NUM_REGS,
TRAP_STATE=NUM_REGS,
PENDING_TRAP,
ICOUNT,
CYCLE,
INSTRET
};
using reg_t = uint32_t;
using addr_t = uint32_t;
using code_word_t = uint32_t; //TODO: check removal
using virt_addr_t = iss::typed_addr_t<iss::address_type::VIRTUAL>;
using phys_addr_t = iss::typed_addr_t<iss::address_type::PHYSICAL>;
static constexpr std::array<const uint32_t, 40> reg_bit_widths{
{32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,8,32,32,64,64,64}};
static constexpr std::array<const uint32_t, 40> reg_byte_offsets{
{0,4,8,12,16,20,24,28,32,36,40,44,48,52,56,60,64,68,72,76,80,84,88,92,96,100,104,108,112,116,120,124,128,132,136,137,141,145,153,161}};
static const uint64_t addr_mask = (reg_t(1) << (XLEN - 1)) | ((reg_t(1) << (XLEN - 1)) - 1);
enum sreg_flag_e { FLAGS };
enum mem_type_e { MEM, CSR, FENCE, RES };
enum class opcode_e : unsigned short {
LUI = 0,
AUIPC = 1,
JAL = 2,
JALR = 3,
BEQ = 4,
BNE = 5,
BLT = 6,
BGE = 7,
BLTU = 8,
BGEU = 9,
LB = 10,
LH = 11,
LW = 12,
LBU = 13,
LHU = 14,
SB = 15,
SH = 16,
SW = 17,
ADDI = 18,
SLTI = 19,
SLTIU = 20,
XORI = 21,
ORI = 22,
ANDI = 23,
SLLI = 24,
SRLI = 25,
SRAI = 26,
ADD = 27,
SUB = 28,
SLL = 29,
SLT = 30,
SLTU = 31,
XOR = 32,
SRL = 33,
SRA = 34,
OR = 35,
AND = 36,
FENCE = 37,
ECALL = 38,
EBREAK = 39,
URET = 40,
SRET = 41,
MRET = 42,
WFI = 43,
CSRRW = 44,
CSRRS = 45,
CSRRC = 46,
CSRRWI = 47,
CSRRSI = 48,
CSRRCI = 49,
MUL = 50,
MULH = 51,
MULHSU = 52,
MULHU = 53,
DIV = 54,
DIVU = 55,
REM = 56,
REMU = 57,
CADDI4SPN = 58,
CLW = 59,
CSW = 60,
CADDI = 61,
CNOP = 62,
CJAL = 63,
CLI = 64,
CLUI = 65,
CADDI16SP = 66,
__reserved_clui = 67,
CSRLI = 68,
CSRAI = 69,
CANDI = 70,
CSUB = 71,
CXOR = 72,
COR = 73,
CAND = 74,
CJ = 75,
CBEQZ = 76,
CBNEZ = 77,
CSLLI = 78,
CLWSP = 79,
CMV = 80,
CJR = 81,
__reserved_cmv = 82,
CADD = 83,
CJALR = 84,
CEBREAK = 85,
CSWSP = 86,
DII = 87,
MAX_OPCODE
};
};
struct tgc_c: public arch_if {
using virt_addr_t = typename traits<tgc_c>::virt_addr_t;
using phys_addr_t = typename traits<tgc_c>::phys_addr_t;
using reg_t = typename traits<tgc_c>::reg_t;
using addr_t = typename traits<tgc_c>::addr_t;
tgc_c();
~tgc_c();
void reset(uint64_t address=0) override;
uint8_t* get_regs_base_ptr() override;
/// deprecated
void get_reg(short idx, std::vector<uint8_t>& value) override {}
void set_reg(short idx, const std::vector<uint8_t>& value) override {}
/// deprecated
bool get_flag(int flag) override {return false;}
void set_flag(int, bool value) override {};
/// deprecated
void update_flags(operations op, uint64_t opr1, uint64_t opr2) override {};
inline uint64_t get_icount() { return reg.icount; }
inline bool should_stop() { return interrupt_sim; }
inline uint64_t stop_code() { return interrupt_sim; }
inline phys_addr_t v2p(const iss::addr_t& addr){
if (addr.space != traits<tgc_c>::MEM || addr.type == iss::address_type::PHYSICAL ||
addr_mode[static_cast<uint16_t>(addr.access)&0x3]==address_type::PHYSICAL) {
return phys_addr_t(addr.access, addr.space, addr.val&traits<tgc_c>::addr_mask);
} else
return virt2phys(addr);
}
virtual phys_addr_t virt2phys(const iss::addr_t& addr);
virtual iss::sync_type needed_sync() const { return iss::NO_SYNC; }
inline uint32_t get_last_branch() { return reg.last_branch; }
protected:
#pragma pack(push, 1)
struct TGC_C_regs {
uint32_t X0 = 0;
uint32_t X1 = 0;
uint32_t X2 = 0;
uint32_t X3 = 0;
uint32_t X4 = 0;
uint32_t X5 = 0;
uint32_t X6 = 0;
uint32_t X7 = 0;
uint32_t X8 = 0;
uint32_t X9 = 0;
uint32_t X10 = 0;
uint32_t X11 = 0;
uint32_t X12 = 0;
uint32_t X13 = 0;
uint32_t X14 = 0;
uint32_t X15 = 0;
uint32_t X16 = 0;
uint32_t X17 = 0;
uint32_t X18 = 0;
uint32_t X19 = 0;
uint32_t X20 = 0;
uint32_t X21 = 0;
uint32_t X22 = 0;
uint32_t X23 = 0;
uint32_t X24 = 0;
uint32_t X25 = 0;
uint32_t X26 = 0;
uint32_t X27 = 0;
uint32_t X28 = 0;
uint32_t X29 = 0;
uint32_t X30 = 0;
uint32_t X31 = 0;
uint32_t PC = 0;
uint32_t NEXT_PC = 0;
uint8_t PRIV = 0;
uint32_t trap_state = 0, pending_trap = 0;
uint64_t icount = 0;
uint64_t cycle = 0;
uint64_t instret = 0;
uint32_t last_branch;
} reg;
#pragma pack(pop)
std::array<address_type, 4> addr_mode;
uint64_t interrupt_sim=0;
uint32_t get_fcsr(){return 0;}
void set_fcsr(uint32_t val){}
};
}
}
#endif /* _TGC_C_H_ */

View File

@ -1,252 +0,0 @@
/*******************************************************************************
* Copyright (C) 2017, 2018 MINRES Technologies GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*******************************************************************************/
#ifndef _TGF_B_H_
#define _TGF_B_H_
#include <array>
#include <iss/arch/traits.h>
#include <iss/arch_if.h>
#include <iss/vm_if.h>
namespace iss {
namespace arch {
struct tgf_b;
template <> struct traits<tgf_b> {
constexpr static char const* const core_type = "TGF_B";
static constexpr std::array<const char*, 33> reg_names{
{"x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7", "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15", "x16", "x17", "x18", "x19", "x20", "x21", "x22", "x23", "x24", "x25", "x26", "x27", "x28", "x29", "x30", "x31", "pc"}};
static constexpr std::array<const char*, 33> reg_aliases{
{"zero", "ra", "sp", "gp", "tp", "t0", "t1", "t2", "s0", "s1", "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7", "s2", "s3", "s4", "s5", "s6", "s7", "s8", "s9", "s10", "s11", "t3", "t4", "t5", "t6", "pc"}};
enum constants {XLEN=32, PCLEN=32, MISA_VAL=0b1000000000000000000000100000000, PGSIZE=0x1000, PGMASK=0xfff};
constexpr static unsigned FP_REGS_SIZE = 0;
enum reg_e {
X0,
X1,
X2,
X3,
X4,
X5,
X6,
X7,
X8,
X9,
X10,
X11,
X12,
X13,
X14,
X15,
X16,
X17,
X18,
X19,
X20,
X21,
X22,
X23,
X24,
X25,
X26,
X27,
X28,
X29,
X30,
X31,
PC,
NUM_REGS,
NEXT_PC=NUM_REGS,
TRAP_STATE,
PENDING_TRAP,
MACHINE_STATE,
LAST_BRANCH,
ICOUNT,
ZERO = X0,
RA = X1,
SP = X2,
GP = X3,
TP = X4,
T0 = X5,
T1 = X6,
T2 = X7,
S0 = X8,
S1 = X9,
A0 = X10,
A1 = X11,
A2 = X12,
A3 = X13,
A4 = X14,
A5 = X15,
A6 = X16,
A7 = X17,
S2 = X18,
S3 = X19,
S4 = X20,
S5 = X21,
S6 = X22,
S7 = X23,
S8 = X24,
S9 = X25,
S10 = X26,
S11 = X27,
T3 = X28,
T4 = X29,
T5 = X30,
T6 = X31
};
using reg_t = uint32_t;
using addr_t = uint32_t;
using code_word_t = uint32_t; //TODO: check removal
using virt_addr_t = iss::typed_addr_t<iss::address_type::VIRTUAL>;
using phys_addr_t = iss::typed_addr_t<iss::address_type::PHYSICAL>;
static constexpr std::array<const uint32_t, 39> reg_bit_widths{
{32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,64}};
static constexpr std::array<const uint32_t, 40> reg_byte_offsets{
{0,4,8,12,16,20,24,28,32,36,40,44,48,52,56,60,64,68,72,76,80,84,88,92,96,100,104,108,112,116,120,124,128,132,136,140,144,148,152,160}};
static const uint64_t addr_mask = (reg_t(1) << (XLEN - 1)) | ((reg_t(1) << (XLEN - 1)) - 1);
enum sreg_flag_e { FLAGS };
enum mem_type_e { MEM, CSR, FENCE, RES };
};
struct tgf_b: public arch_if {
using virt_addr_t = typename traits<tgf_b>::virt_addr_t;
using phys_addr_t = typename traits<tgf_b>::phys_addr_t;
using reg_t = typename traits<tgf_b>::reg_t;
using addr_t = typename traits<tgf_b>::addr_t;
tgf_b();
~tgf_b();
void reset(uint64_t address=0) override;
uint8_t* get_regs_base_ptr() override;
/// deprecated
void get_reg(short idx, std::vector<uint8_t>& value) override {}
void set_reg(short idx, const std::vector<uint8_t>& value) override {}
/// deprecated
bool get_flag(int flag) override {return false;}
void set_flag(int, bool value) override {};
/// deprecated
void update_flags(operations op, uint64_t opr1, uint64_t opr2) override {};
inline uint64_t get_icount() { return reg.icount; }
inline bool should_stop() { return interrupt_sim; }
inline uint64_t stop_code() { return interrupt_sim; }
inline phys_addr_t v2p(const iss::addr_t& addr){
if (addr.space != traits<tgf_b>::MEM || addr.type == iss::address_type::PHYSICAL ||
addr_mode[static_cast<uint16_t>(addr.access)&0x3]==address_type::PHYSICAL) {
return phys_addr_t(addr.access, addr.space, addr.val&traits<tgf_b>::addr_mask);
} else
return virt2phys(addr);
}
virtual phys_addr_t virt2phys(const iss::addr_t& addr);
virtual iss::sync_type needed_sync() const { return iss::NO_SYNC; }
inline uint32_t get_last_branch() { return reg.last_branch; }
protected:
struct TGF_B_regs {
uint32_t X0 = 0;
uint32_t X1 = 0;
uint32_t X2 = 0;
uint32_t X3 = 0;
uint32_t X4 = 0;
uint32_t X5 = 0;
uint32_t X6 = 0;
uint32_t X7 = 0;
uint32_t X8 = 0;
uint32_t X9 = 0;
uint32_t X10 = 0;
uint32_t X11 = 0;
uint32_t X12 = 0;
uint32_t X13 = 0;
uint32_t X14 = 0;
uint32_t X15 = 0;
uint32_t X16 = 0;
uint32_t X17 = 0;
uint32_t X18 = 0;
uint32_t X19 = 0;
uint32_t X20 = 0;
uint32_t X21 = 0;
uint32_t X22 = 0;
uint32_t X23 = 0;
uint32_t X24 = 0;
uint32_t X25 = 0;
uint32_t X26 = 0;
uint32_t X27 = 0;
uint32_t X28 = 0;
uint32_t X29 = 0;
uint32_t X30 = 0;
uint32_t X31 = 0;
uint32_t PC = 0;
uint32_t NEXT_PC = 0;
uint32_t trap_state = 0, pending_trap = 0, machine_state = 0, last_branch = 0;
uint64_t icount = 0;
} reg;
std::array<address_type, 4> addr_mode;
uint64_t interrupt_sim=0;
uint32_t get_fcsr(){return 0;}
void set_fcsr(uint32_t val){}
};
}
}
#endif /* _TGF_B_H_ */

View File

@ -1,252 +0,0 @@
/*******************************************************************************
* Copyright (C) 2017, 2018 MINRES Technologies GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*******************************************************************************/
#ifndef _TGF_C_H_
#define _TGF_C_H_
#include <array>
#include <iss/arch/traits.h>
#include <iss/arch_if.h>
#include <iss/vm_if.h>
namespace iss {
namespace arch {
struct tgf_c;
template <> struct traits<tgf_c> {
constexpr static char const* const core_type = "TGF_C";
static constexpr std::array<const char*, 33> reg_names{
{"x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7", "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15", "x16", "x17", "x18", "x19", "x20", "x21", "x22", "x23", "x24", "x25", "x26", "x27", "x28", "x29", "x30", "x31", "pc"}};
static constexpr std::array<const char*, 33> reg_aliases{
{"zero", "ra", "sp", "gp", "tp", "t0", "t1", "t2", "s0", "s1", "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7", "s2", "s3", "s4", "s5", "s6", "s7", "s8", "s9", "s10", "s11", "t3", "t4", "t5", "t6", "pc"}};
enum constants {XLEN=32, PCLEN=32, MUL_LEN=64, MISA_VAL=0b1000000000000000001000100000100, PGSIZE=0x1000, PGMASK=0xfff};
constexpr static unsigned FP_REGS_SIZE = 0;
enum reg_e {
X0,
X1,
X2,
X3,
X4,
X5,
X6,
X7,
X8,
X9,
X10,
X11,
X12,
X13,
X14,
X15,
X16,
X17,
X18,
X19,
X20,
X21,
X22,
X23,
X24,
X25,
X26,
X27,
X28,
X29,
X30,
X31,
PC,
NUM_REGS,
NEXT_PC=NUM_REGS,
TRAP_STATE,
PENDING_TRAP,
MACHINE_STATE,
LAST_BRANCH,
ICOUNT,
ZERO = X0,
RA = X1,
SP = X2,
GP = X3,
TP = X4,
T0 = X5,
T1 = X6,
T2 = X7,
S0 = X8,
S1 = X9,
A0 = X10,
A1 = X11,
A2 = X12,
A3 = X13,
A4 = X14,
A5 = X15,
A6 = X16,
A7 = X17,
S2 = X18,
S3 = X19,
S4 = X20,
S5 = X21,
S6 = X22,
S7 = X23,
S8 = X24,
S9 = X25,
S10 = X26,
S11 = X27,
T3 = X28,
T4 = X29,
T5 = X30,
T6 = X31
};
using reg_t = uint32_t;
using addr_t = uint32_t;
using code_word_t = uint32_t; //TODO: check removal
using virt_addr_t = iss::typed_addr_t<iss::address_type::VIRTUAL>;
using phys_addr_t = iss::typed_addr_t<iss::address_type::PHYSICAL>;
static constexpr std::array<const uint32_t, 39> reg_bit_widths{
{32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,64}};
static constexpr std::array<const uint32_t, 40> reg_byte_offsets{
{0,4,8,12,16,20,24,28,32,36,40,44,48,52,56,60,64,68,72,76,80,84,88,92,96,100,104,108,112,116,120,124,128,132,136,140,144,148,152,160}};
static const uint64_t addr_mask = (reg_t(1) << (XLEN - 1)) | ((reg_t(1) << (XLEN - 1)) - 1);
enum sreg_flag_e { FLAGS };
enum mem_type_e { MEM, CSR, FENCE, RES };
};
struct tgf_c: public arch_if {
using virt_addr_t = typename traits<tgf_c>::virt_addr_t;
using phys_addr_t = typename traits<tgf_c>::phys_addr_t;
using reg_t = typename traits<tgf_c>::reg_t;
using addr_t = typename traits<tgf_c>::addr_t;
tgf_c();
~tgf_c();
void reset(uint64_t address=0) override;
uint8_t* get_regs_base_ptr() override;
/// deprecated
void get_reg(short idx, std::vector<uint8_t>& value) override {}
void set_reg(short idx, const std::vector<uint8_t>& value) override {}
/// deprecated
bool get_flag(int flag) override {return false;}
void set_flag(int, bool value) override {};
/// deprecated
void update_flags(operations op, uint64_t opr1, uint64_t opr2) override {};
inline uint64_t get_icount() { return reg.icount; }
inline bool should_stop() { return interrupt_sim; }
inline uint64_t stop_code() { return interrupt_sim; }
inline phys_addr_t v2p(const iss::addr_t& addr){
if (addr.space != traits<tgf_c>::MEM || addr.type == iss::address_type::PHYSICAL ||
addr_mode[static_cast<uint16_t>(addr.access)&0x3]==address_type::PHYSICAL) {
return phys_addr_t(addr.access, addr.space, addr.val&traits<tgf_c>::addr_mask);
} else
return virt2phys(addr);
}
virtual phys_addr_t virt2phys(const iss::addr_t& addr);
virtual iss::sync_type needed_sync() const { return iss::NO_SYNC; }
inline uint32_t get_last_branch() { return reg.last_branch; }
protected:
struct TGF_C_regs {
uint32_t X0 = 0;
uint32_t X1 = 0;
uint32_t X2 = 0;
uint32_t X3 = 0;
uint32_t X4 = 0;
uint32_t X5 = 0;
uint32_t X6 = 0;
uint32_t X7 = 0;
uint32_t X8 = 0;
uint32_t X9 = 0;
uint32_t X10 = 0;
uint32_t X11 = 0;
uint32_t X12 = 0;
uint32_t X13 = 0;
uint32_t X14 = 0;
uint32_t X15 = 0;
uint32_t X16 = 0;
uint32_t X17 = 0;
uint32_t X18 = 0;
uint32_t X19 = 0;
uint32_t X20 = 0;
uint32_t X21 = 0;
uint32_t X22 = 0;
uint32_t X23 = 0;
uint32_t X24 = 0;
uint32_t X25 = 0;
uint32_t X26 = 0;
uint32_t X27 = 0;
uint32_t X28 = 0;
uint32_t X29 = 0;
uint32_t X30 = 0;
uint32_t X31 = 0;
uint32_t PC = 0;
uint32_t NEXT_PC = 0;
uint32_t trap_state = 0, pending_trap = 0, machine_state = 0, last_branch = 0;
uint64_t icount = 0;
} reg;
std::array<address_type, 4> addr_mode;
uint64_t interrupt_sim=0;
uint32_t get_fcsr(){return 0;}
void set_fcsr(uint32_t val){}
};
}
}
#endif /* _TGF_C_H_ */

View File

@ -183,7 +183,8 @@ status riscv_target_adapter<ARCH>::read_registers(std::vector<uint8_t> &data, st
data.clear();
avail.clear();
const uint8_t *reg_base = core->get_regs_base_ptr();
for (size_t reg_no = 0; reg_no < arch::traits<ARCH>::NUM_REGS; ++reg_no) {
auto start_reg=arch::traits<ARCH>::X0;
for (size_t reg_no = start_reg; reg_no < start_reg+33/*arch::traits<ARCH>::NUM_REGS*/; ++reg_no) {
auto reg_width = arch::traits<ARCH>::reg_bit_widths[reg_no] / 8;
unsigned offset = traits<ARCH>::reg_byte_offsets[reg_no];
for (size_t j = 0; j < reg_width; ++j) {
@ -210,11 +211,11 @@ status riscv_target_adapter<ARCH>::read_registers(std::vector<uint8_t> &data, st
}
template <typename ARCH> status riscv_target_adapter<ARCH>::write_registers(const std::vector<uint8_t> &data) {
auto reg_count = arch::traits<ARCH>::NUM_REGS;
auto start_reg=arch::traits<ARCH>::X0;
auto *reg_base = core->get_regs_base_ptr();
auto iter = data.data();
for (size_t reg_no = 0; reg_no < reg_count; ++reg_no) {
auto reg_width = arch::traits<ARCH>::reg_bit_widths[static_cast<typename arch::traits<ARCH>::reg_e>(reg_no)] / 8;
for (size_t reg_no = 0; reg_no < start_reg+33/*arch::traits<ARCH>::NUM_REGS*/; ++reg_no) {
auto reg_width = arch::traits<ARCH>::reg_bit_widths[reg_no] / 8;
auto offset = traits<ARCH>::reg_byte_offsets[reg_no];
std::copy(iter, iter + reg_width, reg_base);
iter += 4;

View File

@ -1,5 +1,5 @@
/*******************************************************************************
* Copyright (C) 2017, 2018 MINRES Technologies GmbH
* Copyright (C) 2021 MINRES Technologies GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -29,41 +29,34 @@
* POSSIBILITY OF SUCH DAMAGE.
*
*******************************************************************************/
#include "util/ities.h"
#include <util/logging.h>
#include <iss/arch/tgf_c.h>
#include <cstdio>
#include <cstring>
#include <fstream>
using namespace iss::arch;
#ifndef _ISS_FACTORY_H_
#define _ISS_FACTORY_H_
constexpr std::array<const char*, 33> iss::arch::traits<iss::arch::tgf_c>::reg_names;
constexpr std::array<const char*, 33> iss::arch::traits<iss::arch::tgf_c>::reg_aliases;
constexpr std::array<const uint32_t, 39> iss::arch::traits<iss::arch::tgf_c>::reg_bit_widths;
constexpr std::array<const uint32_t, 40> iss::arch::traits<iss::arch::tgf_c>::reg_byte_offsets;
#include <iss/iss.h>
tgf_c::tgf_c() {
reg.icount = 0;
namespace iss {
using cpu_ptr = std::unique_ptr<iss::arch_if>;
using vm_ptr= std::unique_ptr<iss::vm_if>;
template<typename PLAT>
std::tuple<cpu_ptr, vm_ptr> create_cpu(std::string const& backend, unsigned gdb_port){
using core_type = typename PLAT::core;
core_type* lcpu = new PLAT();
if(backend == "interp")
return {cpu_ptr{lcpu}, vm_ptr{iss::interp::create(lcpu, gdb_port)}};
#ifdef WITH_LLVM
if(backend == "llvm")
return {cpu_ptr{lcpu}, vm_ptr{iss::llvm::create(lcpu, gdb_port)}};
#endif
#ifdef WITH_LLVM
if(backend == "tcc")
return {cpu_ptr{lcpu}, vm_ptr{iss::tcc::create(lcpu, gdb_port)}};
#endif
return {nullptr, nullptr};
}
tgf_c::~tgf_c() = default;
void tgf_c::reset(uint64_t address) {
for(size_t i=0; i<traits<tgf_c>::NUM_REGS; ++i) set_reg(i, std::vector<uint8_t>(sizeof(traits<tgf_c>::reg_t),0));
reg.PC=address;
reg.NEXT_PC=reg.PC;
reg.trap_state=0;
reg.machine_state=0x3;
reg.icount=0;
}
uint8_t *tgf_c::get_regs_base_ptr() {
return reinterpret_cast<uint8_t*>(&reg);
}
tgf_c::phys_addr_t tgf_c::virt2phys(const iss::addr_t &pc) {
return phys_addr_t(pc); // change logical address to physical address
}
#endif /* _ISS_FACTORY_H_ */

View File

@ -76,7 +76,7 @@ public:
sync_type get_sync() override { return POST_SYNC; };
void callback(instr_info_t instr_info) override;
void callback(instr_info_t instr_info, exec_info const&) override;
private:
iss::instrumentation_if *arch_instr;

View File

@ -69,7 +69,7 @@ public:
sync_type get_sync() override { return POST_SYNC; };
void callback(instr_info_t instr_info) override;
void callback(instr_info_t, exec_info const&) override;
private:
Json::Value root;

View File

@ -1,5 +1,5 @@
/*******************************************************************************
* Copyright (C) 2017, 2018 MINRES Technologies GmbH
* Copyright (C) 2017-2021 MINRES Technologies GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -30,33 +30,23 @@
*
*******************************************************************************/
#ifndef _SYSC_SIFIVE_FE310_H_
#define _SYSC_SIFIVE_FE310_H_
#ifndef _SYSC_CORE_COMPLEX_H_
#define _SYSC_CORE_COMPLEX_H_
#include "tlm/scc/initiator_mixin.h"
#include "scc/traceable.h"
#include "scc/utilities.h"
#include "tlm/scc/scv4tlm/tlm_rec_initiator_socket.h"
#include <tlm/scc/initiator_mixin.h>
#include <scc/traceable.h>
#include <scc/tick2time.h>
#include <scc/utilities.h>
#include <tlm/scc/scv/tlm_rec_initiator_socket.h>
#ifdef CWR_SYSTEMC
#include <scmlinc/scml_property.h>
#else
#include <cci_configuration>
#endif
#include <tlm>
#include <tlm_core/tlm_1/tlm_req_rsp/tlm_1_interfaces/tlm_core_ifs.h>
#include <tlm_utils/tlm_quantumkeeper.h>
#include <util/range_lut.h>
class scv_tr_db;
class scv_tr_stream;
struct _scv_tr_generator_default_data;
template <class T_begin, class T_end> class scv_tr_generator;
namespace iss {
class vm_if;
namespace arch {
template <typename BASE> class riscv_hart_m_p;
}
namespace debugger {
class target_adapter_if;
}
} // namespace iss
#include <memory>
namespace sysc {
@ -70,14 +60,13 @@ public:
bool operator!=(const tlm_dmi_ext &o) const { return !operator==(o); }
};
namespace SiFive {
namespace tgfs {
class core_wrapper;
struct core_trace;
class core_complex : public sc_core::sc_module, public scc::traceable {
public:
tlm::scc::initiator_mixin<scv4tlm::tlm_rec_initiator_socket<32>> initiator{"intor"};
sc_core::sc_in<sc_core::sc_time> clk_i{"clk_i"};
tlm::scc::initiator_mixin<tlm::scc::scv::tlm_rec_initiator_socket<32>> initiator{"intor"};
sc_core::sc_in<bool> rst_i{"rst_i"};
@ -89,6 +78,9 @@ public:
sc_core::sc_vector<sc_core::sc_in<bool>> local_irq_i{"local_irq_i", 16};
#ifndef CWR_SYSTEMC
sc_core::sc_in<sc_core::sc_time> clk_i{"clk_i"};
sc_core::sc_port<tlm::tlm_peek_if<uint64_t>, 1, sc_core::SC_ZERO_OR_MORE_BOUND> mtime_o;
cci::cci_param<std::string> elf_file{"elf_file", ""};
@ -97,7 +89,9 @@ public:
cci::cci_param<uint64_t> reset_address{"reset_address", 0ULL};
cci::cci_param<std::string> backend{"backend", "tcc"};
cci::cci_param<std::string> core_type{"core_type", "tgc_c"};
cci::cci_param<std::string> backend{"backend", "interp"};
cci::cci_param<unsigned short> gdb_server_port{"gdb_server_port", 0};
@ -105,7 +99,47 @@ public:
cci::cci_param<uint32_t> mhartid{"mhartid", 0};
core_complex(sc_core::sc_module_name name);
core_complex(sc_core::sc_module_name const& name);
#else
sc_core::sc_in<bool> clk_i{"clk_i"};
sc_core::sc_in<uint64_t> mtime_i{"mtime_i"};
scml_property<std::string> elf_file{"elf_file", ""};
scml_property<bool> enable_disass{"enable_disass", false};
scml_property<unsigned long long> reset_address{"reset_address", 0ULL};
scml_property<std::string> core_type{"core_type", "tgc_c"};
scml_property<std::string> backend{"backend", "interp"};
scml_property<unsigned> gdb_server_port{"gdb_server_port", 0};
scml_property<bool> dump_ir{"dump_ir", false};
scml_property<uint32_t> mhartid{"mhartid", 0};
core_complex(sc_core::sc_module_name const& name)
: sc_module(name)
, local_irq_i{"local_irq_i", 16}
, elf_file{"elf_file", ""}
, enable_disass{"enable_disass", false}
, reset_address{"reset_address", 0ULL}
, core_type{"core_type", "tgc_c"}
, backend{"backend", "interp"}
, gdb_server_port{"gdb_server_port", 0}
, dump_ir{"dump_ir", false}
, mhartid{"mhartid", 0}
, read_lut(tlm_dmi_ext())
, write_lut(tlm_dmi_ext())
{
init();
}
#endif
~core_complex();
@ -129,13 +163,14 @@ public:
void trace(sc_core::sc_trace_file *trf) const override;
void disass_output(uint64_t pc, const std::string instr);
bool disass_output(uint64_t pc, const std::string instr);
void set_clock_period(sc_core::sc_time period);
protected:
void before_end_of_elaboration() override;
void start_of_simulation() override;
void forward();
void run();
void clk_cb();
void rst_cb();
void sw_irq_cb();
void timer_irq_cb();
@ -144,23 +179,14 @@ protected:
util::range_lut<tlm_dmi_ext> read_lut, write_lut;
tlm_utils::tlm_quantumkeeper quantum_keeper;
std::vector<uint8_t> write_buf;
std::unique_ptr<core_wrapper> cpu;
std::unique_ptr<iss::vm_if> vm;
sc_core::sc_time curr_clk;
iss::debugger::target_adapter_if *tgt_adapter;
#ifdef WITH_SCV
//! transaction recording database
scv_tr_db *m_db;
//! blocking transaction recording stream handle
scv_tr_stream *stream_handle;
//! transaction generator handle for blocking transactions
scv_tr_generator<_scv_tr_generator_default_data, _scv_tr_generator_default_data> *instr_tr_handle;
scv_tr_generator<uint64_t, _scv_tr_generator_default_data> *fetch_tr_handle;
scv_tr_handle tr_handle;
#endif
core_wrapper* cpu{nullptr};
sc_core::sc_signal<sc_core::sc_time> curr_clk;
core_trace* trc{nullptr};
std::unique_ptr<scc::tick2time> t2t;
private:
void init();
};
} /* namespace SiFive */
} /* namespace sysc */
#endif /* _SYSC_SIFIVE_FE310_H_ */
#endif /* _SYSC_CORE_COMPLEX_H_ */

View File

@ -49,7 +49,9 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
/*----------------------------------------------------------------------------
*----------------------------------------------------------------------------*/
#ifdef __GNUC__
#define SOFTFLOAT_BUILTIN_CLZ 1
#define SOFTFLOAT_INTRINSIC_INT128 1
#endif
#include "opts-GCC.h"

1
src/iss/.gitignore vendored Normal file
View File

@ -0,0 +1 @@
/tgc_*.cpp

View File

@ -1,5 +1,5 @@
/*******************************************************************************
* Copyright (C) 2017, 2018 MINRES Technologies GmbH
* Copyright (C) 2017 - 2020 MINRES Technologies GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -29,41 +29,41 @@
* POSSIBILITY OF SUCH DAMAGE.
*
*******************************************************************************/
#include "util/ities.h"
#include <util/logging.h>
#include <iss/arch/tgf_b.h>
#include <iss/arch/tgc_c.h>
#include <cstdio>
#include <cstring>
#include <fstream>
using namespace iss::arch;
constexpr std::array<const char*, 33> iss::arch::traits<iss::arch::tgf_b>::reg_names;
constexpr std::array<const char*, 33> iss::arch::traits<iss::arch::tgf_b>::reg_aliases;
constexpr std::array<const uint32_t, 39> iss::arch::traits<iss::arch::tgf_b>::reg_bit_widths;
constexpr std::array<const uint32_t, 40> iss::arch::traits<iss::arch::tgf_b>::reg_byte_offsets;
constexpr std::array<const char*, 35> iss::arch::traits<iss::arch::tgc_c>::reg_names;
constexpr std::array<const char*, 35> iss::arch::traits<iss::arch::tgc_c>::reg_aliases;
constexpr std::array<const uint32_t, 40> iss::arch::traits<iss::arch::tgc_c>::reg_bit_widths;
constexpr std::array<const uint32_t, 40> iss::arch::traits<iss::arch::tgc_c>::reg_byte_offsets;
tgf_b::tgf_b() {
tgc_c::tgc_c() {
reg.icount = 0;
}
tgf_b::~tgf_b() = default;
tgc_c::~tgc_c() = default;
void tgf_b::reset(uint64_t address) {
for(size_t i=0; i<traits<tgf_b>::NUM_REGS; ++i) set_reg(i, std::vector<uint8_t>(sizeof(traits<tgf_b>::reg_t),0));
void tgc_c::reset(uint64_t address) {
for(size_t i=0; i<traits<tgc_c>::NUM_REGS; ++i) set_reg(i, std::vector<uint8_t>(sizeof(traits<tgc_c>::reg_t),0));
reg.PC=address;
reg.NEXT_PC=reg.PC;
reg.PRIV=0x3;
reg.trap_state=0;
reg.machine_state=0x3;
reg.icount=0;
}
uint8_t *tgf_b::get_regs_base_ptr() {
uint8_t *tgc_c::get_regs_base_ptr() {
return reinterpret_cast<uint8_t*>(&reg);
}
tgf_b::phys_addr_t tgf_b::virt2phys(const iss::addr_t &pc) {
tgc_c::phys_addr_t tgc_c::virt2phys(const iss::addr_t &pc) {
return phys_addr_t(pc); // change logical address to physical address
}

View File

@ -31,13 +31,24 @@
*******************************************************************************/
#include <iostream>
#include <iss/iss.h>
#include <iss/factory.h>
#include <boost/lexical_cast.hpp>
#include <boost/program_options.hpp>
#include <iss/arch/riscv_hart_m_p.h>
#include <iss/arch/tgf_b.h>
#include <iss/arch/tgf_c.h>
#include "iss/arch/riscv_hart_m_p.h"
#include "iss/arch/tgc_c.h"
using tgc_c_plat_type = iss::arch::riscv_hart_m_p<iss::arch::tgc_c>;
#ifdef CORE_TGC_B
#include "iss/arch/riscv_hart_m_p.h"
#include "iss/arch/tgc_b.h"
using tgc_b_plat_type = iss::arch::riscv_hart_m_p<iss::arch::tgc_b>;
#endif
#ifdef CORE_TGC_D
#include "iss/arch/riscv_hart_mu_p.h"
#include "iss/arch/tgc_d.h"
using tgc_d_plat_type = iss::arch::riscv_hart_mu_p<iss::arch::tgc_d, (iss::arch::features_e)(iss::arch::FEAT_PMP | iss::arch::FEAT_CLIC | iss::arch::FEAT_EXT_N)>;
#endif
#ifdef WITH_LLVM
#include <iss/llvm/jit_helper.h>
#endif
@ -47,23 +58,6 @@
namespace po = boost::program_options;
using cpu_ptr = std::unique_ptr<iss::arch_if>;
using vm_ptr= std::unique_ptr<iss::vm_if>;
template<typename CORE>
std::tuple<cpu_ptr, vm_ptr> create_cpu(std::string const& backend, unsigned gdb_port){
CORE* lcpu = new iss::arch::riscv_hart_m_p<CORE>();
if(backend == "interp")
return {cpu_ptr{lcpu}, vm_ptr{iss::interp::create(lcpu, gdb_port)}};
#ifdef WITH_LLVM
if(backend == "llvm")
return {cpu_ptr{lcpu}, vm_ptr{iss::llvm::create(lcpu, gdb_port)}};
#endif
if(backend == "tcc")
return {cpu_ptr{lcpu}, vm_ptr{iss::tcc::create(lcpu, gdb_port)}};
return {nullptr, nullptr};
}
int main(int argc, char *argv[]) {
/*
* Define and parse the program options
@ -83,8 +77,8 @@ int main(int argc, char *argv[]) {
("elf", po::value<std::vector<std::string>>(), "ELF file(s) to load")
("mem,m", po::value<std::string>(), "the memory input file")
("plugin,p", po::value<std::vector<std::string>>(), "plugin to activate")
("backend", po::value<std::string>()->default_value("tcc"), "the memory input file")
("isa", po::value<std::string>()->default_value("tgf_c"), "isa to use for simulation");
("backend", po::value<std::string>()->default_value("interp"), "the memory input file")
("isa", po::value<std::string>()->default_value("tgc_c"), "isa to use for simulation");
// clang-format on
auto parsed = po::command_line_parser(argc, argv).options(desc).allow_unregistered().run();
try {
@ -126,17 +120,27 @@ int main(int argc, char *argv[]) {
#endif
bool dump = clim.count("dump-ir");
// instantiate the simulator
vm_ptr vm{nullptr};
cpu_ptr cpu{nullptr};
iss::vm_ptr vm{nullptr};
iss::cpu_ptr cpu{nullptr};
std::string isa_opt(clim["isa"].as<std::string>());
if (isa_opt == "tgf_b") {
if (isa_opt == "tgc_c") {
std::tie(cpu, vm) =
create_cpu<iss::arch::tgf_b>(clim["backend"].as<std::string>(), clim["gdb-port"].as<unsigned>());
} else if (isa_opt == "tgf_c") {
iss::create_cpu<tgc_c_plat_type>(clim["backend"].as<std::string>(), clim["gdb-port"].as<unsigned>());
} else
#ifdef CORE_TGC_B
if (isa_opt == "tgc_b") {
std::tie(cpu, vm) =
create_cpu<iss::arch::tgf_c>(clim["backend"].as<std::string>(), clim["gdb-port"].as<unsigned>());
} else {
LOG(ERROR) << "Illegal argument value for '--isa': " << clim["isa"].as<std::string>() << std::endl;
iss::create_cpu<tgc_b_plat_type>(clim["backend"].as<std::string>(), clim["gdb-port"].as<unsigned>());
} else
#endif
#ifdef CORE_TGC_D
if (isa_opt == "tgc_d") {
std::tie(cpu, vm) =
iss::create_cpu<tgc_d_plat_type>(clim["backend"].as<std::string>(), clim["gdb-port"].as<unsigned>());
} else
#endif
{
LOG(ERR) << "Illegal argument value for '--isa': " << clim["isa"].as<std::string>() << std::endl;
return 127;
}
if (clim.count("plugin")) {
@ -157,7 +161,7 @@ int main(int argc, char *argv[]) {
vm->register_plugin(*ce_plugin);
plugin_list.push_back(ce_plugin);
} else {
LOG(ERROR) << "Unknown plugin name: " << plugin_name << ", valid names are 'ce', 'ic'" << std::endl;
LOG(ERR) << "Unknown plugin name: " << plugin_name << ", valid names are 'ce', 'ic'" << std::endl;
return 127;
}
}
@ -174,7 +178,7 @@ int main(int argc, char *argv[]) {
}
uint64_t start_address = 0;
if (clim.count("mem"))
vm->get_arch()->load_file(clim["mem"].as<std::string>(), iss::arch::traits<iss::arch::tgf_b>::MEM);
vm->get_arch()->load_file(clim["mem"].as<std::string>());
if (clim.count("elf"))
for (std::string input : clim["elf"].as<std::vector<std::string>>()) {
auto start_addr = vm->get_arch()->load_file(input);
@ -192,7 +196,7 @@ int main(int argc, char *argv[]) {
auto cycles = clim["instructions"].as<uint64_t>();
res = vm->start(cycles, dump);
} catch (std::exception &e) {
LOG(ERROR) << "Unhandled Exception reached the top of main: " << e.what() << ", application will now exit"
LOG(ERR) << "Unhandled Exception reached the top of main: " << e.what() << ", application will now exit"
<< std::endl;
res = 2;
}

View File

@ -47,10 +47,10 @@ iss::plugin::cycle_estimate::cycle_estimate(std::string config_file_name)
try {
is >> root;
} catch (Json::RuntimeError &e) {
LOG(ERROR) << "Could not parse input file " << config_file_name << ", reason: " << e.what();
LOG(ERR) << "Could not parse input file " << config_file_name << ", reason: " << e.what();
}
} else {
LOG(ERROR) << "Could not open input file " << config_file_name;
LOG(ERR) << "Could not open input file " << config_file_name;
}
}
}
@ -77,16 +77,18 @@ bool iss::plugin::cycle_estimate::registration(const char* const version, vm_if&
}
}
} else {
LOG(ERROR)<<"plugin cycle_estimate: could not find an entry for "<<core_name<<" in JSON file"<<std::endl;
LOG(ERR)<<"plugin cycle_estimate: could not find an entry for "<<core_name<<" in JSON file"<<std::endl;
}
return true;
}
void iss::plugin::cycle_estimate::callback(instr_info_t instr_info) {
void iss::plugin::cycle_estimate::callback(instr_info_t instr_info, exec_info const&) {
assert(arch_instr && "No instrumentation interface available but callback executed");
auto entry = delays[instr_info.instr_id];
bool taken = (arch_instr->get_next_pc()-arch_instr->get_pc()) != (entry.size/8);
uint32_t delay = taken ? entry.taken : entry.not_taken;
if(delay>1) arch_instr->set_curr_instr_cycles(delay);
if (taken && entry.taken > 1)
arch_instr->set_curr_instr_cycles(entry.taken);
else if (entry.not_taken > 1)
arch_instr->set_curr_instr_cycles(entry.not_taken);
}

View File

@ -46,10 +46,10 @@ iss::plugin::instruction_count::instruction_count(std::string config_file_name)
try {
is >> root;
} catch (Json::RuntimeError &e) {
LOG(ERROR) << "Could not parse input file " << config_file_name << ", reason: " << e.what();
LOG(ERR) << "Could not parse input file " << config_file_name << ", reason: " << e.what();
}
} else {
LOG(ERROR) << "Could not open input file " << config_file_name;
LOG(ERR) << "Could not open input file " << config_file_name;
}
}
}
@ -85,11 +85,11 @@ bool iss::plugin::instruction_count::registration(const char* const version, vm_
}
rep_counts.resize(delays.size());
} else {
LOG(ERROR)<<"plugin instruction_count: could not find an entry for "<<core_name<<" in JSON file"<<std::endl;
LOG(ERR)<<"plugin instruction_count: could not find an entry for "<<core_name<<" in JSON file"<<std::endl;
}
return true;
}
void iss::plugin::instruction_count::callback(instr_info_t instr_info) {
void iss::plugin::instruction_count::callback(instr_info_t instr_info, exec_info const&) {
rep_counts[instr_info.instr_id]++;
}

View File

@ -30,26 +30,58 @@
*
*******************************************************************************/
// clang-format off
#include "iss/debugger/gdb_session.h"
#include "iss/debugger/encoderdecoder.h"
#include "iss/debugger/server.h"
#include "iss/debugger/target_adapter_if.h"
#include "iss/iss.h"
#include "iss/vm_types.h"
#include "sysc/core_complex.h"
#ifdef CORE_TGC_B
#include "iss/arch/riscv_hart_m_p.h"
#include "iss/arch/tgf_c.h"
#include "iss/debugger/encoderdecoder.h"
#include "iss/debugger/gdb_session.h"
#include "iss/debugger/server.h"
#include "iss/debugger/target_adapter_if.h"
#include "iss/iss.h"
#include "iss/vm_types.h"
#include "iss/arch/tgc_b.h"
using tgc_b_plat_type = iss::arch::riscv_hart_m_p<iss::arch::tgc_b>;
#endif
#include "iss/arch/riscv_hart_m_p.h"
#include "iss/arch/tgc_c.h"
using tgc_c_plat_type = iss::arch::riscv_hart_m_p<iss::arch::tgc_c>;
#ifdef CORE_TGC_D
#include "iss/arch/riscv_hart_mu_p.h"
#include "iss/arch/tgc_d.h"
using tgc_d_plat_type = iss::arch::riscv_hart_mu_p<iss::arch::tgc_d, iss::arch::FEAT_PMP>;
#endif
#include "scc/report.h"
#include <iostream>
#include <sstream>
#include <array>
// clang-format on
#define STR(X) #X
#define CREATE_CORE(CN) \
if (type == STR(CN)) { std::tie(cpu, vm) = create_core<CN ## _plat_type>(backend, gdb_port, hart_id); } else
#ifdef WITH_SCV
#include <array>
#include <scv.h>
#else
#include <scv-tr.h>
using namespace scv_tr;
#endif
#ifndef CWR_SYSTEMC
#define GET_PROP_VALUE(P) P.get_value()
#else
#define GET_PROP_VALUE(P) P.getValue()
#endif
#ifdef _MSC_VER
// not #if defined(_WIN32) || defined(_WIN64) because we have strncasecmp in mingw
#define strncasecmp _strnicmp
#define strcasecmp _stricmp
#endif
namespace sysc {
namespace SiFive {
namespace tgfs {
using namespace std;
using namespace iss;
using namespace logging;
@ -57,69 +89,42 @@ using namespace sc_core;
namespace {
iss::debugger::encoder_decoder encdec;
}
using core_type = iss::arch::tgf_c;
namespace {
std::array<const char, 4> lvl = {{'U', 'S', 'H', 'M'}};
std::array<const char*, 16> trap_str = { {
"Instruction address misaligned",
"Instruction access fault",
"Illegal instruction",
"Breakpoint",
"Load address misaligned",
"Load access fault",
"Store/AMO address misaligned",
"Store/AMO access fault",
"Environment call from U-mode",
"Environment call from S-mode",
"Reserved",
"Environment call from M-mode",
"Instruction page fault",
"Load page fault",
"Reserved",
"Store/AMO page fault"
} };
std::array<const char*, 12> irq_str = { {
"User software interrupt", "Supervisor software interrupt", "Reserved", "Machine software interrupt",
"User timer interrupt", "Supervisor timer interrupt", "Reserved", "Machine timer interrupt",
"User external interrupt", "Supervisor external interrupt", "Reserved", "Machine external interrupt" } };
}
class core_wrapper : public iss::arch::riscv_hart_m_p<core_type> {
template<typename PLAT>
class core_wrapper_t : public PLAT {
public:
using base_type = arch::riscv_hart_m_p<core_type>;
using phys_addr_t = typename arch::traits<core_type>::phys_addr_t;
core_wrapper(core_complex *owner)
using reg_t = typename arch::traits<typename PLAT::core>::reg_t;
using phys_addr_t = typename arch::traits<typename PLAT::core>::phys_addr_t;
using heart_state_t = typename PLAT::hart_state_type;
core_wrapper_t(core_complex *owner)
: owner(owner) { }
uint32_t get_mode() { return this->reg.machine_state; }
uint32_t get_mode() { return this->reg.PRIV; }
inline void set_interrupt_execution(bool v) { this->interrupt_sim = v?1:0; }
inline bool get_interrupt_execution() { return this->interrupt_sim; }
base_type::hart_state<base_type::reg_t> &get_state() { return this->state; }
heart_state_t &get_state() { return this->state; }
void notify_phase(exec_phase p) override {
if (p == ISTART) owner->sync(this->reg.icount + cycle_offset);
void notify_phase(iss::arch_if::exec_phase p) override {
if (p == iss::arch_if::ISTART) owner->sync(this->reg.icount);
}
sync_type needed_sync() const override { return PRE_SYNC; }
void disass_output(uint64_t pc, const std::string instr) override {
if (INFO <= Log<Output2FILE<disass>>::reporting_level() && Output2FILE<disass>::stream()) {
if (!owner->disass_output(pc, instr)) {
std::stringstream s;
s << "[p:" << lvl[this->reg.machine_state] << ";s:0x" << std::hex << std::setfill('0')
<< std::setw(sizeof(reg_t) * 2) << (reg_t)state.mstatus << std::dec << ";c:" << this->reg.icount << "]";
Log<Output2FILE<disass>>().get(INFO, "disass")
s << "[p:" << lvl[this->reg.PRIV] << ";s:0x" << std::hex << std::setfill('0')
<< std::setw(sizeof(reg_t) * 2) << (reg_t)this->state.mstatus << std::dec << ";c:" << this->reg.icount << "]";
SCCDEBUG(owner->name())<<"disass: "
<< "0x" << std::setw(16) << std::right << std::setfill('0') << std::hex << pc << "\t\t" << std::setw(40)
<< std::setfill(' ') << std::left << instr << s.str();
}
owner->disass_output(pc, instr);
};
status read_mem(phys_addr_t addr, unsigned length, uint8_t *const data) override {
@ -146,6 +151,7 @@ public:
}
status read_csr(unsigned addr, reg_t &val) override {
#ifndef CWR_SYSTEMC
if((addr==arch::time || addr==arch::timeh) && owner->mtime_o.get_interface(0)){
uint64_t time_val;
bool ret = owner->mtime_o->nb_peek(time_val);
@ -156,21 +162,32 @@ public:
val = static_cast<reg_t>(time_val >> 32);
}
return ret?Ok:Err;
#else
if((addr==arch::time || addr==arch::timeh)){
uint64_t time_val = owner->mtime_i.read();
if (addr == iss::arch::time) {
val = static_cast<reg_t>(time_val);
} else if (addr == iss::arch::timeh) {
if (sizeof(reg_t) != 4) return iss::Err;
val = static_cast<reg_t>(time_val >> 32);
}
return Ok;
#endif
} else {
return base_type::read_csr(addr, val);
return PLAT::read_csr(addr, val);
}
}
void wait_until(uint64_t flags) override {
SCCDEBUG(owner->name()) << "Sleeping until interrupt";
do {
wait(wfi_evt);
sc_core::wait(wfi_evt);
} while (this->reg.pending_trap == 0);
base_type::wait_until(flags);
PLAT::wait_until(flags);
}
void local_irq(short id, bool value) {
base_type::reg_t mask = 0;
reg_t mask = 0;
switch (id) {
case 16: // SW
mask = 1 << 3;
@ -191,6 +208,8 @@ public:
} else
this->csr[arch::mip] &= ~mask;
this->check_interrupt();
if(value)
SCCTRACE(owner->name()) << "Triggering interrupt " << id << " Pending trap: " << this->reg.pending_trap;
}
private:
@ -228,19 +247,95 @@ int cmd_sysc(int argc, char *argv[], debugger::out_func of, debugger::data_func
return Err;
}
core_complex::core_complex(sc_module_name name)
using cpu_ptr = std::unique_ptr<iss::arch_if>;
using vm_ptr= std::unique_ptr<iss::vm_if>;
class core_wrapper {
public:
core_wrapper(core_complex *owner) : owner(owner) { }
void reset(uint64_t addr){vm->reset(addr);}
inline void start(){vm->start();}
inline std::pair<uint64_t, bool> load_file(std::string const& name){ return cpu->load_file(name);};
std::function<unsigned(void)> get_mode;
std::function<uint64_t(void)> get_state;
std::function<bool(void)> get_interrupt_execution;
std::function<void(bool)> set_interrupt_execution;
std::function<void(short, bool)> local_irq;
template<typename PLAT>
std::tuple<cpu_ptr, vm_ptr> create_core(std::string const& backend, unsigned gdb_port, uint32_t hart_id){
auto* lcpu = new core_wrapper_t<PLAT>(owner);
lcpu->set_mhartid(hart_id);
get_mode = [lcpu]() { return lcpu->get_mode(); };
get_state = [lcpu]() { return lcpu->get_state().mstatus.backing.val; };
get_interrupt_execution = [lcpu]() { return lcpu->get_interrupt_execution(); };
set_interrupt_execution = [lcpu](bool b) { return lcpu->set_interrupt_execution(b); };
local_irq = [lcpu](short s, bool b) { return lcpu->local_irq(s, b); };
if(backend == "interp")
return {cpu_ptr{lcpu}, vm_ptr{iss::interp::create(static_cast<typename PLAT::core*>(lcpu), gdb_port)}};
#ifdef WITH_LLVM
if(backend == "llvm")
return {cpu_ptr{lcpu}, vm_ptr{iss::llvm::create(lcpu, gdb_port)}};
#endif
#ifdef WITH_TCC
if(backend == "tcc")
s return {cpu_ptr{lcpu}, vm_ptr{iss::tcc::create(lcpu, gdb_port)}};
#endif
return {nullptr, nullptr};
}
void create_cpu(std::string const& type, std::string const& backend, unsigned gdb_port, uint32_t hart_id){
CREATE_CORE(tgc_c)
#ifdef CORE_TGC_B
CREATE_CORE(tgc_b)
#endif
#ifdef CORE_TGC_D
CREATE_CORE(tgc_d)
#endif
{
LOG(ERR) << "Illegal argument value for core type: " << type << std::endl;
}
auto *srv = debugger::server<debugger::gdb_session>::get();
if (srv) tgt_adapter = srv->get_target();
if (tgt_adapter)
tgt_adapter->add_custom_command(
{"sysc", [this](int argc, char *argv[], debugger::out_func of,
debugger::data_func df) -> int { return cmd_sysc(argc, argv, of, df, tgt_adapter); },
"SystemC sub-commands: break <time>, print_time"});
}
core_complex * const owner;
vm_ptr vm{nullptr};
cpu_ptr cpu{nullptr};
iss::debugger::target_adapter_if *tgt_adapter{nullptr};
};
struct core_trace {
//! transaction recording database
scv_tr_db *m_db{nullptr};
//! blocking transaction recording stream handle
scv_tr_stream *stream_handle{nullptr};
//! transaction generator handle for blocking transactions
scv_tr_generator<_scv_tr_generator_default_data, _scv_tr_generator_default_data> *instr_tr_handle{nullptr};
scv_tr_handle tr_handle;
};
SC_HAS_PROCESS(core_complex);// NOLINT
#ifndef CWR_SYSTEMC
core_complex::core_complex(sc_module_name const& name)
: sc_module(name)
, read_lut(tlm_dmi_ext())
, write_lut(tlm_dmi_ext())
, tgt_adapter(nullptr)
#ifdef WITH_SCV
, m_db(scv_tr_db::get_default_db())
, stream_handle(nullptr)
, instr_tr_handle(nullptr)
, fetch_tr_handle(nullptr)
#endif
{
SC_HAS_PROCESS(core_complex);// NOLINT
init();
}
#endif
void core_complex::init(){
trc=new core_trace();
initiator.register_invalidate_direct_mem_ptr([=](uint64_t start, uint64_t end) -> void {
auto lut_entry = read_lut.getEntry(start);
if (lut_entry.get_granted_access() != tlm::tlm_dmi::DMI_ACCESS_NONE && end <= lut_entry.get_end_address() + 1) {
@ -253,8 +348,6 @@ core_complex::core_complex(sc_module_name name)
});
SC_THREAD(run);
SC_METHOD(clk_cb);
sensitive << clk_i;
SC_METHOD(rst_cb);
sensitive << rst_i;
SC_METHOD(sw_irq_cb);
@ -263,82 +356,82 @@ core_complex::core_complex(sc_module_name name)
sensitive << timer_irq_i;
SC_METHOD(global_irq_cb);
sensitive << global_irq_i;
trc->m_db=scv_tr_db::get_default_db();
SC_METHOD(forward);
#ifndef CWR_SYSTEMC
sensitive<<clk_i;
#else
sensitive<<curr_clk;
t2t.reset(new scc::tick2time{"t2t"});
t2t->clk_i(clk_i);
t2t->clk_o(curr_clk);
#endif
}
core_complex::~core_complex() = default;
core_complex::~core_complex(){
delete cpu;
delete trc;
}
void core_complex::trace(sc_trace_file *trf) const {}
using vm_ptr= std::unique_ptr<iss::vm_if>;
vm_ptr create_cpu(core_wrapper* cpu, std::string const& backend, unsigned gdb_port){
if(backend == "interp")
return vm_ptr{iss::interp::create<core_type>(cpu, gdb_port)};
#ifdef WITH_LLVM
if(backend == "llvm")
return vm_ptr{iss::llvm::create(lcpu, gdb_port)};
#endif
if(backend == "tcc")
return vm_ptr{iss::tcc::create<core_type>(cpu, gdb_port)};
return {nullptr};
}
void core_complex::before_end_of_elaboration() {
SCCDEBUG(SCMOD)<<"instantiating iss::arch::tgf with "<<backend.get_value()<<" backend";
cpu = scc::make_unique<core_wrapper>(this);
cpu->set_mhartid(mhartid.get_value());
vm = create_cpu(cpu.get(), backend.get_value(), gdb_server_port.get_value());
#ifdef WITH_SCV
vm->setDisassEnabled(enable_disass.get_value() || m_db != nullptr);
#else
vm->setDisassEnabled(enable_disass.get_value());
#endif
auto *srv = debugger::server<debugger::gdb_session>::get();
if (srv) tgt_adapter = srv->get_target();
if (tgt_adapter)
tgt_adapter->add_custom_command(
{"sysc", [this](int argc, char *argv[], debugger::out_func of,
debugger::data_func df) -> int { return cmd_sysc(argc, argv, of, df, tgt_adapter); },
"SystemC sub-commands: break <time>, print_time"});
SCCDEBUG(SCMOD)<<"instantiating iss::arch::tgf with "<<GET_PROP_VALUE(backend)<<" backend";
// cpu = scc::make_unique<core_wrapper>(this);
cpu = new core_wrapper(this);
cpu->create_cpu(GET_PROP_VALUE(core_type), GET_PROP_VALUE(backend), GET_PROP_VALUE(gdb_server_port), GET_PROP_VALUE(mhartid));
sc_assert(cpu->vm!=nullptr);
cpu->vm->setDisassEnabled(GET_PROP_VALUE(enable_disass) || trc->m_db != nullptr);
}
void core_complex::start_of_simulation() {
quantum_keeper.reset();
if (elf_file.get_value().size() > 0) {
istringstream is(elf_file.get_value());
if (GET_PROP_VALUE(elf_file).size() > 0) {
istringstream is(GET_PROP_VALUE(elf_file));
string s;
while (getline(is, s, ',')) {
std::pair<uint64_t, bool> start_addr = cpu->load_file(s);
#ifndef CWR_SYSTEMC
if (reset_address.is_default_value() && start_addr.second == true)
reset_address.set_value(start_addr.first);
#else
if (start_addr.second == true)
reset_address=start_addr.first;
#endif
}
}
#ifdef WITH_SCV
if (m_db != nullptr && stream_handle == nullptr) {
if (trc->m_db != nullptr && trc->stream_handle == nullptr) {
string basename(this->name());
stream_handle = new scv_tr_stream((basename + ".instr").c_str(), "TRANSACTOR", m_db);
instr_tr_handle = new scv_tr_generator<>("execute", *stream_handle);
fetch_tr_handle = new scv_tr_generator<uint64_t>("fetch", *stream_handle);
trc->stream_handle = new scv_tr_stream((basename + ".instr").c_str(), "TRANSACTOR", trc->m_db);
trc->instr_tr_handle = new scv_tr_generator<>("execute", *trc->stream_handle);
}
}
bool core_complex::disass_output(uint64_t pc, const std::string instr_str) {
if (trc->m_db == nullptr) return false;
if (trc->tr_handle.is_active()) trc->tr_handle.end_transaction();
trc->tr_handle = trc->instr_tr_handle->begin_transaction();
trc->tr_handle.record_attribute("PC", pc);
trc->tr_handle.record_attribute("INSTR", instr_str);
trc->tr_handle.record_attribute("MODE", lvl[cpu->get_mode()]);
trc->tr_handle.record_attribute("MSTATUS", cpu->get_state());
trc->tr_handle.record_attribute("LTIME_START", quantum_keeper.get_current_time().value() / 1000);
return true;
}
void core_complex::forward() {
#ifndef CWR_SYSTEMC
set_clock_period(clk_i.read());
#else
set_clock_period(curr_clk.read());
#endif
}
void core_complex::disass_output(uint64_t pc, const std::string instr_str) {
#ifdef WITH_SCV
if (m_db == nullptr) return;
if (tr_handle.is_active()) tr_handle.end_transaction();
tr_handle = instr_tr_handle->begin_transaction();
tr_handle.record_attribute("PC", pc);
tr_handle.record_attribute("INSTR", instr_str);
tr_handle.record_attribute("MODE", lvl[cpu->get_mode()]);
tr_handle.record_attribute("MSTATUS", cpu->get_state().mstatus.backing.val);
tr_handle.record_attribute("LTIME_START", quantum_keeper.get_current_time().value() / 1000);
#endif
}
void core_complex::clk_cb() {
curr_clk = clk_i.read();
if (curr_clk == SC_ZERO_TIME) cpu->set_interrupt_execution(true);
void core_complex::set_clock_period(sc_core::sc_time period) {
curr_clk = period;
if (period == SC_ZERO_TIME) cpu->set_interrupt_execution(true);
}
void core_complex::rst_cb() {
@ -355,14 +448,14 @@ void core_complex::run() {
wait(SC_ZERO_TIME); // separate from elaboration phase
do {
if (rst_i.read()) {
cpu->reset(reset_address.get_value());
cpu->reset(GET_PROP_VALUE(reset_address));
wait(rst_i.negedge_event());
}
while (clk_i.read() == SC_ZERO_TIME) {
wait(clk_i.value_changed_event());
while (curr_clk.read() == SC_ZERO_TIME) {
wait(curr_clk.value_changed_event());
}
cpu->set_interrupt_execution(false);
vm->start();
cpu->start();
} while (cpu->get_interrupt_execution());
sc_stop();
}
@ -382,16 +475,14 @@ bool core_complex::read_mem(uint64_t addr, unsigned length, uint8_t *const data,
gp.set_data_ptr(data);
gp.set_data_length(length);
gp.set_streaming_width(length);
sc_time delay{quantum_keeper.get_local_time()};
#ifdef WITH_SCV
if (m_db != nullptr && tr_handle.is_valid()) {
if (is_fetch && tr_handle.is_active()) {
tr_handle.end_transaction();
sc_time delay=quantum_keeper.get_local_time();
if (trc->m_db != nullptr && trc->tr_handle.is_valid()) {
if (is_fetch && trc->tr_handle.is_active()) {
trc->tr_handle.end_transaction();
}
auto preExt = new scv4tlm::tlm_recording_extension(tr_handle, this);
auto preExt = new tlm::scc::scv::tlm_recording_extension(trc->tr_handle, this);
gp.set_extension(preExt);
}
#endif
initiator->b_transport(gp, delay);
SCCTRACE(this->name()) << "read_mem(0x" << std::hex << addr << ") : " << data;
if (gp.get_response_status() != tlm::TLM_OK_RESPONSE) {
@ -431,13 +522,11 @@ bool core_complex::write_mem(uint64_t addr, unsigned length, const uint8_t *cons
gp.set_data_ptr(write_buf.data());
gp.set_data_length(length);
gp.set_streaming_width(length);
sc_time delay{quantum_keeper.get_local_time()};
#ifdef WITH_SCV
if (m_db != nullptr && tr_handle.is_valid()) {
auto preExt = new scv4tlm::tlm_recording_extension(tr_handle, this);
sc_time delay=quantum_keeper.get_local_time();
if (trc->m_db != nullptr && trc->tr_handle.is_valid()) {
auto preExt = new tlm::scc::scv::tlm_recording_extension(trc->tr_handle, this);
gp.set_extension(preExt);
}
#endif
initiator->b_transport(gp, delay);
quantum_keeper.set(delay);
SCCTRACE() << "write_mem(0x" << std::hex << addr << ") : " << data;
@ -500,6 +589,5 @@ bool core_complex::write_mem_dbg(uint64_t addr, unsigned length, const uint8_t *
return initiator->transport_dbg(gp) == length;
}
}
} /* namespace SiFive */
} /* namespace sysc */

1
src/vm/interp/.gitignore vendored Normal file
View File

@ -0,0 +1 @@
/vm_tgc_*.cpp

4157
src/vm/interp/vm_tgc_c.cpp Normal file

File diff suppressed because it is too large Load Diff

File diff suppressed because it is too large Load Diff

File diff suppressed because it is too large Load Diff

View File

@ -377,7 +377,6 @@ private:
auto is_cont_v = tu.choose(
tu.icmp(ICmpInst::ICMP_NE, tu.ext(PC_val_v, 32U, true), tu.constant(pc.val, 32U)),
tu.constant(0U, 32), tu.constant(1U, 32));
tu.store(is_cont_v, traits<ARCH>::LAST_BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC, 2);
gen_trap_check(tu);
@ -424,7 +423,6 @@ private:
new_pc_val,
tu.l_not(tu.constant(0x1, 32U))), 32);
tu.store(PC_val_v, traits<ARCH>::NEXT_PC);
tu.store(tu.constant(std::numeric_limits<uint32_t>::max(), 32U), traits<ARCH>::LAST_BRANCH);
tu.close_scope();
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC, 3);
@ -466,7 +464,6 @@ private:
auto is_cont_v = tu.choose(
tu.icmp(ICmpInst::ICMP_NE, tu.ext(PC_val_v, 32U, true), tu.constant(pc.val, 32U)),
tu.constant(0U, 32), tu.constant(1U, 32));
tu.store(is_cont_v, traits<ARCH>::LAST_BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC, 4);
gen_trap_check(tu);
@ -507,7 +504,6 @@ private:
auto is_cont_v = tu.choose(
tu.icmp(ICmpInst::ICMP_NE, tu.ext(PC_val_v, 32U, true), tu.constant(pc.val, 32U)),
tu.constant(0U, 32), tu.constant(1U, 32));
tu.store(is_cont_v, traits<ARCH>::LAST_BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC, 5);
gen_trap_check(tu);
@ -552,7 +548,6 @@ private:
auto is_cont_v = tu.choose(
tu.icmp(ICmpInst::ICMP_NE, tu.ext(PC_val_v, 32U, true), tu.constant(pc.val, 32U)),
tu.constant(0U, 32), tu.constant(1U, 32));
tu.store(is_cont_v, traits<ARCH>::LAST_BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC, 6);
gen_trap_check(tu);
@ -597,7 +592,6 @@ private:
auto is_cont_v = tu.choose(
tu.icmp(ICmpInst::ICMP_NE, tu.ext(PC_val_v, 32U, true), tu.constant(pc.val, 32U)),
tu.constant(0U, 32), tu.constant(1U, 32));
tu.store(is_cont_v, traits<ARCH>::LAST_BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC, 7);
gen_trap_check(tu);
@ -638,7 +632,6 @@ private:
auto is_cont_v = tu.choose(
tu.icmp(ICmpInst::ICMP_NE, tu.ext(PC_val_v, 32U, true), tu.constant(pc.val, 32U)),
tu.constant(0U, 32), tu.constant(1U, 32));
tu.store(is_cont_v, traits<ARCH>::LAST_BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC, 8);
gen_trap_check(tu);
@ -679,7 +672,6 @@ private:
auto is_cont_v = tu.choose(
tu.icmp(ICmpInst::ICMP_NE, tu.ext(PC_val_v, 32U, true), tu.constant(pc.val, 32U)),
tu.constant(0U, 32), tu.constant(1U, 32));
tu.store(is_cont_v, traits<ARCH>::LAST_BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC, 9);
gen_trap_check(tu);
@ -1621,7 +1613,6 @@ private:
tu.constant(1, 64U),
tu.trunc(tu.constant(imm, 32U), 32));
tu.close_scope();
tu.store(tu.constant(std::numeric_limits<uint32_t>::max(), 32),traits<ARCH>::LAST_BRANCH);
gen_set_pc(tu, pc, traits<ARCH>::NEXT_PC);
vm_base<ARCH>::gen_sync(tu, POST_SYNC, 38);
gen_trap_check(tu);
@ -2055,13 +2046,11 @@ vm_impl<ARCH>::gen_single_inst_behavior(virt_addr_t &pc, unsigned int &inst_cnt,
template <typename ARCH> void vm_impl<ARCH>::gen_raise_trap(tu_builder& tu, uint16_t trap_id, uint16_t cause) {
tu(" *trap_state = {:#x};", 0x80 << 24 | (cause << 16) | trap_id);
tu.store(tu.constant(std::numeric_limits<uint32_t>::max(), 32),traits<ARCH>::LAST_BRANCH);
}
template <typename ARCH> void vm_impl<ARCH>::gen_leave_trap(tu_builder& tu, unsigned lvl) {
tu("leave_trap(core_ptr, {});", lvl);
tu.store(tu.read_mem(traits<ARCH>::CSR, (lvl << 8) + 0x41, traits<ARCH>::XLEN),traits<ARCH>::NEXT_PC);
tu.store(tu.constant(std::numeric_limits<uint32_t>::max(), 32),traits<ARCH>::LAST_BRANCH);
}
template <typename ARCH> void vm_impl<ARCH>::gen_wait(tu_builder& tu, unsigned type) {
@ -2070,7 +2059,6 @@ template <typename ARCH> void vm_impl<ARCH>::gen_wait(tu_builder& tu, unsigned t
template <typename ARCH> void vm_impl<ARCH>::gen_trap_behavior(tu_builder& tu) {
tu("trap_entry:");
tu("enter_trap(core_ptr, *trap_state, *pc);");
tu.store(tu.constant(std::numeric_limits<uint32_t>::max(),32),traits<ARCH>::LAST_BRANCH);
tu("return *next_pc;");
}

View File

@ -449,7 +449,6 @@ private:
auto is_cont_v = tu.choose(
tu.icmp(ICmpInst::ICMP_NE, tu.ext(PC_val_v, 32U, true), tu.constant(pc.val, 32U)),
tu.constant(0U, 32), tu.constant(1U, 32));
tu.store(is_cont_v, traits<ARCH>::LAST_BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC, 2);
gen_trap_check(tu);
@ -487,7 +486,6 @@ private:
new_pc_val,
tu.l_not(tu.constant(0x1, 32U))), 32);
tu.store(PC_val_v, traits<ARCH>::NEXT_PC);
tu.store(tu.constant(std::numeric_limits<uint32_t>::max(), 32U), traits<ARCH>::LAST_BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC, 3);
gen_trap_check(tu);
@ -528,7 +526,6 @@ private:
auto is_cont_v = tu.choose(
tu.icmp(ICmpInst::ICMP_NE, tu.ext(PC_val_v, 32U, true), tu.constant(pc.val, 32U)),
tu.constant(0U, 32), tu.constant(1U, 32));
tu.store(is_cont_v, traits<ARCH>::LAST_BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC, 4);
gen_trap_check(tu);
@ -569,7 +566,6 @@ private:
auto is_cont_v = tu.choose(
tu.icmp(ICmpInst::ICMP_NE, tu.ext(PC_val_v, 32U, true), tu.constant(pc.val, 32U)),
tu.constant(0U, 32), tu.constant(1U, 32));
tu.store(is_cont_v, traits<ARCH>::LAST_BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC, 5);
gen_trap_check(tu);
@ -614,7 +610,6 @@ private:
auto is_cont_v = tu.choose(
tu.icmp(ICmpInst::ICMP_NE, tu.ext(PC_val_v, 32U, true), tu.constant(pc.val, 32U)),
tu.constant(0U, 32), tu.constant(1U, 32));
tu.store(is_cont_v, traits<ARCH>::LAST_BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC, 6);
gen_trap_check(tu);
@ -659,7 +654,6 @@ private:
auto is_cont_v = tu.choose(
tu.icmp(ICmpInst::ICMP_NE, tu.ext(PC_val_v, 32U, true), tu.constant(pc.val, 32U)),
tu.constant(0U, 32), tu.constant(1U, 32));
tu.store(is_cont_v, traits<ARCH>::LAST_BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC, 7);
gen_trap_check(tu);
@ -700,7 +694,6 @@ private:
auto is_cont_v = tu.choose(
tu.icmp(ICmpInst::ICMP_NE, tu.ext(PC_val_v, 32U, true), tu.constant(pc.val, 32U)),
tu.constant(0U, 32), tu.constant(1U, 32));
tu.store(is_cont_v, traits<ARCH>::LAST_BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC, 8);
gen_trap_check(tu);
@ -741,7 +734,6 @@ private:
auto is_cont_v = tu.choose(
tu.icmp(ICmpInst::ICMP_NE, tu.ext(PC_val_v, 32U, true), tu.constant(pc.val, 32U)),
tu.constant(0U, 32), tu.constant(1U, 32));
tu.store(is_cont_v, traits<ARCH>::LAST_BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC, 9);
gen_trap_check(tu);
@ -1683,7 +1675,6 @@ private:
tu.constant(1, 64U),
tu.trunc(tu.constant(imm, 32U), 32));
tu.close_scope();
tu.store(tu.constant(std::numeric_limits<uint32_t>::max(), 32),traits<ARCH>::LAST_BRANCH);
gen_set_pc(tu, pc, traits<ARCH>::NEXT_PC);
vm_base<ARCH>::gen_sync(tu, POST_SYNC, 38);
gen_trap_check(tu);
@ -2562,7 +2553,6 @@ private:
auto is_cont_v = tu.choose(
tu.icmp(ICmpInst::ICMP_NE, tu.ext(PC_val_v, 32U, true), tu.constant(pc.val, 32U)),
tu.constant(0U, 32), tu.constant(1U, 32));
tu.store(is_cont_v, traits<ARCH>::LAST_BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC, 65);
gen_trap_check(tu);
@ -2868,7 +2858,6 @@ private:
auto is_cont_v = tu.choose(
tu.icmp(ICmpInst::ICMP_NE, tu.ext(PC_val_v, 32U, true), tu.constant(pc.val, 32U)),
tu.constant(0U, 32), tu.constant(1U, 32));
tu.store(is_cont_v, traits<ARCH>::LAST_BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC, 76);
gen_trap_check(tu);
@ -2908,7 +2897,6 @@ private:
auto is_cont_v = tu.choose(
tu.icmp(ICmpInst::ICMP_NE, tu.ext(PC_val_v, 32U, true), tu.constant(pc.val, 32U)),
tu.constant(0U, 32), tu.constant(1U, 32));
tu.store(is_cont_v, traits<ARCH>::LAST_BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC, 77);
gen_trap_check(tu);
@ -2948,7 +2936,6 @@ private:
auto is_cont_v = tu.choose(
tu.icmp(ICmpInst::ICMP_NE, tu.ext(PC_val_v, 32U, true), tu.constant(pc.val, 32U)),
tu.constant(0U, 32), tu.constant(1U, 32));
tu.store(is_cont_v, traits<ARCH>::LAST_BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC, 78);
gen_trap_check(tu);
@ -3055,7 +3042,6 @@ private:
tu.open_scope();
auto PC_val_v = tu.assignment("PC_val", tu.load(rs1 + traits<ARCH>::X0, 0), 32);
tu.store(PC_val_v, traits<ARCH>::NEXT_PC);
tu.store(tu.constant(std::numeric_limits<uint32_t>::max(), 32U), traits<ARCH>::LAST_BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC, 82);
gen_trap_check(tu);
@ -3108,7 +3094,6 @@ private:
tu.constant(2, 32U)), 1 + traits<ARCH>::X0);
auto PC_val_v = tu.assignment("PC_val", tu.load(rs1 + traits<ARCH>::X0, 0), 32);
tu.store(PC_val_v, traits<ARCH>::NEXT_PC);
tu.store(tu.constant(std::numeric_limits<uint32_t>::max(), 32U), traits<ARCH>::LAST_BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC, 84);
gen_trap_check(tu);
@ -3247,13 +3232,11 @@ vm_impl<ARCH>::gen_single_inst_behavior(virt_addr_t &pc, unsigned int &inst_cnt,
template <typename ARCH> void vm_impl<ARCH>::gen_raise_trap(tu_builder& tu, uint16_t trap_id, uint16_t cause) {
tu(" *trap_state = {:#x};", 0x80 << 24 | (cause << 16) | trap_id);
tu.store(tu.constant(std::numeric_limits<uint32_t>::max(), 32),traits<ARCH>::LAST_BRANCH);
}
template <typename ARCH> void vm_impl<ARCH>::gen_leave_trap(tu_builder& tu, unsigned lvl) {
tu("leave_trap(core_ptr, {});", lvl);
tu.store(tu.read_mem(traits<ARCH>::CSR, (lvl << 8) + 0x41, traits<ARCH>::XLEN),traits<ARCH>::NEXT_PC);
tu.store(tu.constant(std::numeric_limits<uint32_t>::max(), 32),traits<ARCH>::LAST_BRANCH);
}
template <typename ARCH> void vm_impl<ARCH>::gen_wait(tu_builder& tu, unsigned type) {
@ -3262,7 +3245,6 @@ template <typename ARCH> void vm_impl<ARCH>::gen_wait(tu_builder& tu, unsigned t
template <typename ARCH> void vm_impl<ARCH>::gen_trap_behavior(tu_builder& tu) {
tu("trap_entry:");
tu("enter_trap(core_ptr, *trap_state, *pc);");
tu.store(tu.constant(std::numeric_limits<uint32_t>::max(),32),traits<ARCH>::LAST_BRANCH);
tu("return *next_pc;");
}