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DBT-RISE-TGC
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Merge branch 'feature/interpreter' into develop

This commit is contained in:
Eyck Jentzsch 2020-05-29 08:54:38 +02:00
parent f357e563f2 0698b604fd
commit 97a8ab1680
28 changed files with 8820 additions and 303 deletions
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8
CMakeLists.txt
View File

@ -1,4 +1,4 @@
cmake_minimum_required(VERSION 3.3)
cmake_minimum_required(VERSION 3.12)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/../cmake) # main (top) cmake dir
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake) # project specific cmake dir
@ -50,11 +50,13 @@ set(LIB_SOURCES
#src/iss/rv64gc.cpp
src/iss/mnrv32.cpp
src/vm/llvm/fp_functions.cpp
src/vm/llvm/vm_mnrv32.cpp
#src/vm/llvm/vm_rv32gc.cpp
src/vm/llvm/vm_rv32imac.cpp
#src/vm/llvm/vm_rv32imac.cpp
#src/vm/llvm/vm_rv64i.cpp
#src/vm/llvm/vm_rv64gc.cpp
src/vm/tcc/vm_mnrv32.cpp
src/vm/interp/vm_mnrv32.cpp
src/plugin/instruction_count.cpp
src/plugin/cycle_estimate.cpp)
@ -64,7 +66,7 @@ set(LIBRARY_NAME riscv)
# Define the library
add_library(${LIBRARY_NAME} ${LIB_SOURCES})
SET(${LIBRARY_NAME} -Wl,-whole-archive -l${LIBRARY_NAME} -Wl,-no-whole-archive)
target_link_libraries(${LIBRARY_NAME} softfloat dbt-core tinycc scc-util)
target_link_libraries(${LIBRARY_NAME} softfloat dbt-core scc-util)
set_target_properties(${LIBRARY_NAME} PROPERTIES
VERSION ${VERSION} # ${VERSION} was defined in the main CMakeLists.
FRAMEWORK FALSE

2
gen_input/RVC.core_desc
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@ -164,7 +164,7 @@ InsructionSet RV32IC extends RISCVBase{
val offs[XLEN] <= X[2] + uimm;
MEM[offs]{32} <= X[rs2];
}
DII {
DII(no_cont) { // Defined Illegal Instruction
encoding:b000 | b0 | b00000 | b00000 | b00;
raise(0, 2);
}

6
gen_input/minres_rv.core_desc
View File

@ -6,7 +6,7 @@ import "RVC.core_desc"
import "RVF.core_desc"
import "RVD.core_desc"
Core MNRV32 provides RV32I/*, RV32IC */ {
Core MNRV32 provides RV32I, RV32IC {
constants {
XLEN:=32;
PCLEN:=32;
@ -17,7 +17,7 @@ Core MNRV32 provides RV32I/*, RV32IC */ {
PGMASK := 0xfff; //PGSIZE-1
}
}
/*
Core RV32IMAC provides RV32I, RV32M, RV32A, RV32IC {
constants {
XLEN:=32;
@ -67,4 +67,4 @@ Core RV64GC provides RV64I, RV64M, RV64A, RV64F, RV64D, RV64IC, RV32FC, RV32DC {
PGMASK := 0xfff; //PGSIZE-1
}
}
*/

0
gen_input/templates/CORENAME_cyles.txt.gtl → gen_input/templates/interp/CORENAME_cyles.txt.gtl
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0
gen_input/templates/incl-CORENAME.h.gtl → gen_input/templates/interp/incl-CORENAME.h.gtl
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0
gen_input/templates/src-CORENAME.cpp.gtl → gen_input/templates/interp/src-CORENAME.cpp.gtl
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246
gen_input/templates/interp/vm-vm_CORENAME.cpp.gtl Normal file
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@ -0,0 +1,246 @@
/*******************************************************************************
* 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 <iss/arch/${coreDef.name.toLowerCase()}.h>
#include <iss/arch/riscv_hart_msu_vp.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

9
gen_input/templates/llvm/CORENAME_cyles.txt.gtl Normal file
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@ -0,0 +1,9 @@
{
"${coreDef.name}" : [<%instructions.eachWithIndex{instr,index -> %>${index==0?"":","}
{
"name" : "${instr.name}",
"size" : ${instr.length},
"delay" : ${generator.hasAttribute(instr.instruction, com.minres.coredsl.coreDsl.InstrAttribute.COND)?[1,1]:1}
}<%}%>
]
}

221
gen_input/templates/llvm/incl-CORENAME.h.gtl Normal file
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@ -0,0 +1,221 @@
/*******************************************************************************
* 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.
*
*******************************************************************************/
<%
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 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()
}
%>
#ifndef _${coreDef.name.toUpperCase()}_H_
#define _${coreDef.name.toUpperCase()}_H_
#include <array>
#include <iss/arch/traits.h>
#include <iss/arch_if.h>
#include <iss/vm_if.h>
namespace iss {
namespace arch {
struct ${coreDef.name.toLowerCase()};
template <> struct traits<${coreDef.name.toLowerCase()}> {
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*, ${getRegisterAliasNames().size}> reg_aliases{
{"${getRegisterAliasNames().join("\", \"")}"}};
enum constants {${coreDef.constants.collect{c -> c.name+"="+c.value}.join(', ')}};
constexpr static unsigned FP_REGS_SIZE = ${coreDef.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,
PENDING_TRAP,
MACHINE_STATE,
LAST_BRANCH,
ICOUNT<%
allRegs.each { reg ->
if(reg instanceof RegisterAlias){ def aliasname=getOriginalName(reg)%>,
${reg.name} = ${aliasname}<%
}
}%>
};
using reg_t = uint${regDataWidth}_t;
using addr_t = uint${addrDataWidth}_t;
using code_word_t = uint${addrDataWidth}_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, ${regSizes.size}> reg_bit_widths{
{${regSizes.join(",")}}};
static constexpr std::array<const uint32_t, ${regOffsets.size}> reg_byte_offsets{
{${regOffsets.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(', ')} };
};
struct ${coreDef.name.toLowerCase()}: public arch_if {
using virt_addr_t = typename traits<${coreDef.name.toLowerCase()}>::virt_addr_t;
using phys_addr_t = typename traits<${coreDef.name.toLowerCase()}>::phys_addr_t;
using reg_t = typename traits<${coreDef.name.toLowerCase()}>::reg_t;
using addr_t = typename traits<${coreDef.name.toLowerCase()}>::addr_t;
${coreDef.name.toLowerCase()}();
~${coreDef.name.toLowerCase()}();
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 phys_addr_t v2p(const iss::addr_t& addr){
if (addr.space != traits<${coreDef.name.toLowerCase()}>::MEM || addr.type == iss::address_type::PHYSICAL ||
addr_mode[static_cast<uint16_t>(addr.access)&0x3]==address_type::PHYSICAL) {
return phys_addr_t(addr.access, addr.space, addr.val&traits<${coreDef.name.toLowerCase()}>::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 ${coreDef.name}_regs {<%
allRegs.each { reg ->
if( reg instanceof RegisterFile) {
(reg.range.right..reg.range.left).each{%>
uint${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_${pc.name} = 0;
uint32_t trap_state = 0, pending_trap = 0, machine_state = 0, last_branch = 0;
uint64_t icount = 0;
} reg;
std::array<address_type, 4> addr_mode;
bool interrupt_sim=false;
<%
def fcsr = allRegs.find {it.name=='FCSR'}
if(fcsr != null) {%>
uint${generator.getSize(fcsr)}_t get_fcsr(){return reg.FCSR;}
void set_fcsr(uint${generator.getSize(fcsr)}_t val){reg.FCSR = val;}
<%} else { %>
uint32_t get_fcsr(){return 0;}
void set_fcsr(uint32_t val){}
<%}%>
};
}
}
#endif /* _${coreDef.name.toUpperCase()}_H_ */

117
gen_input/templates/llvm/src-CORENAME.cpp.gtl Normal file
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@ -0,0 +1,117 @@
/*******************************************************************************
* 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.
*
*******************************************************************************/
<%
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()
}
%>
#include "util/ities.h"
#include <util/logging.h>
#include <elfio/elfio.hpp>
#include <iss/arch/${coreDef.name.toLowerCase()}.h>
#ifdef __cplusplus
extern "C" {
#endif
#include <ihex.h>
#ifdef __cplusplus
}
#endif
#include <cstdio>
#include <cstring>
#include <fstream>
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;
${coreDef.name.toLowerCase()}::${coreDef.name.toLowerCase()}() {
reg.icount = 0;
}
${coreDef.name.toLowerCase()}::~${coreDef.name.toLowerCase()}() = default;
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<${coreDef.name.toLowerCase()}>::reg_t),0));
reg.PC=address;
reg.NEXT_PC=reg.PC;
reg.trap_state=0;
reg.machine_state=0x3;
reg.icount=0;
}
uint8_t *${coreDef.name.toLowerCase()}::get_regs_base_ptr() {
return reinterpret_cast<uint8_t*>(&reg);
}
${coreDef.name.toLowerCase()}::phys_addr_t ${coreDef.name.toLowerCase()}::virt2phys(const iss::addr_t &pc) {
return phys_addr_t(pc); // change logical address to physical address
}

12
gen_input/templates/vm-vm_CORENAME.cpp.gtl → gen_input/templates/llvm/vm-vm_CORENAME.cpp.gtl
View File

@ -49,19 +49,17 @@
namespace iss {
namespace llvm {
namespace fp_impl {
void add_fp_functions_2_module(llvm::Module *, unsigned, unsigned);
}
void add_fp_functions_2_module(::llvm::Module *, unsigned, unsigned);
}
namespace ${coreDef.name.toLowerCase()} {
using namespace ::llvm;
using namespace iss::arch;
using namespace llvm;
using namespace iss::debugger;
using namespace iss::vm::llvm;
template <typename ARCH> class vm_impl : public vm_base<ARCH> {
template <typename ARCH> class vm_impl : public vm::llvm::vm_base<ARCH> {
public:
using super = typename iss::vm::llvm::vm_base<ARCH>;
using super = typename iss::llvm::vm_base<ARCH>;
using virt_addr_t = typename super::virt_addr_t;
using phys_addr_t = typename super::phys_addr_t;
using code_word_t = typename super::code_word_t;
@ -323,5 +321,5 @@ std::unique_ptr<vm_if> create<arch::${coreDef.name.toLowerCase()}>(arch::${coreD
if (port != 0) debugger::server<debugger::gdb_session>::run_server(ret, port);
return std::unique_ptr<vm_if>(ret);
}
} // namespace llvm
} // namespace iss

4
gen_input/templates/tcc/incl-CORENAME.h.gtl
View File

@ -172,6 +172,8 @@ struct ${coreDef.name.toLowerCase()}: public arch_if {
inline bool should_stop() { return interrupt_sim; }
inline uint64_t stop_code() { return interrupt_sim; }
inline phys_addr_t v2p(const iss::addr_t& addr){
if (addr.space != traits<${coreDef.name.toLowerCase()}>::MEM || addr.type == iss::address_type::PHYSICAL ||
addr_mode[static_cast<uint16_t>(addr.access)&0x3]==address_type::PHYSICAL) {
@ -204,7 +206,7 @@ protected:
std::array<address_type, 4> addr_mode;
bool interrupt_sim=false;
uint64_t interrupt_sim=0;
<%
def fcsr = allRegs.find {it.name=='FCSR'}
if(fcsr != null) {%>

146
gen_input/templates/tcc/vm-vm_CORENAME.cpp.gtl
View File

@ -35,9 +35,9 @@
#include <iss/debugger/gdb_session.h>
#include <iss/debugger/server.h>
#include <iss/iss.h>
#include <iss/llvm/vm_base.h>
#include <iss/tcc/vm_base.h>
#include <util/logging.h>
#include <strstream>
#include <sstream>
#ifndef FMT_HEADER_ONLY
#define FMT_HEADER_ONLY
@ -48,25 +48,19 @@
#include <iss/debugger/riscv_target_adapter.h>
namespace iss {
namespace vm {
namespace fp_impl {
void add_fp_functions_2_module(llvm::Module *, unsigned, unsigned);
}
}
namespace tcc {
namespace ${coreDef.name.toLowerCase()} {
using namespace iss::arch;
using namespace iss::debugger;
using namespace iss::vm::llvm;
template <typename ARCH> class vm_impl : public vm_base<ARCH> {
template <typename ARCH> class vm_impl : public iss::tcc::vm_base<ARCH> {
public:
using super = typename iss::vm::llvm::vm_base<ARCH>;
using super = typename iss::tcc::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 tu_builder = typename super::tu_builder;
vm_impl();
@ -86,45 +80,43 @@ protected:
using this_class = vm_impl<ARCH>;
using compile_ret_t = std::tuple<continuation_e>;
using compile_func = compile_ret_t (this_class::*)(virt_addr_t &pc, code_word_t instr, std::ostringstream&);
using compile_func = compile_ret_t (this_class::*)(virt_addr_t &pc, code_word_t instr, tu_builder&);
inline const char *name(size_t index){return traits<ARCH>::reg_aliases.at(index);}
template <typename T> inline ConstantInt *size(T type) {
return ConstantInt::get(getContext(), APInt(32, type->getType()->getScalarSizeInBits()));
}
void setup_module(Module* m) override {
void setup_module(std::string m) override {
super::setup_module(m);
iss::vm::fp_impl::add_fp_functions_2_module(m, traits<ARCH>::FP_REGS_SIZE, traits<ARCH>::XLEN);
}
inline Value *gen_choose(Value *cond, Value *trueVal, Value *falseVal, unsigned size) {
return super::gen_cond_assign(cond, this->gen_ext(trueVal, size), this->gen_ext(falseVal, size));
compile_ret_t gen_single_inst_behavior(virt_addr_t &, unsigned int &, tu_builder&) override;
void gen_trap_behavior(tu_builder& tu) override;
void gen_raise_trap(tu_builder& tu, uint16_t trap_id, uint16_t cause);
void gen_leave_trap(tu_builder& tu, unsigned lvl);
void gen_wait(tu_builder& tu, unsigned type);
inline void gen_trap_check(tu_builder& tu) {
tu("if(*trap_state!=0) goto trap_entry;");
}
compile_ret_t gen_single_inst_behavior(virt_addr_t &, unsigned int &, std::ostringstream&) override;
void gen_leave_behavior(BasicBlock *leave_blk) override;
void gen_raise_trap(uint16_t trap_id, uint16_t cause);
void gen_leave_trap(unsigned lvl);
void gen_wait(unsigned type);
void gen_trap_behavior(BasicBlock *) override;
void gen_trap_check(BasicBlock *bb);
inline Value *gen_reg_load(unsigned i, unsigned level = 0) {
return this->builder.CreateLoad(get_reg_ptr(i), false);
inline void gen_set_pc(tu_builder& tu, virt_addr_t pc, unsigned reg_num) {
switch(reg_num){
case traits<ARCH>::NEXT_PC:
tu("*next_pc = {:#x};", pc.val);
break;
case traits<ARCH>::PC:
tu("*pc = {:#x};", pc.val);
break;
default:
if(!tu.defined_regs[reg_num]){
tu("reg_t* reg{:02d} = (reg_t*){:#x};", reg_num, reinterpret_cast<uintptr_t>(get_reg_ptr(reg_num)));
tu.defined_regs[reg_num]=true;
}
tu("*reg{:02d} = {:#x};", reg_num, pc.val);
}
inline void gen_set_pc(virt_addr_t pc, unsigned reg_num) {
Value *next_pc_v = this->builder.CreateSExtOrTrunc(this->gen_const(traits<ARCH>::XLEN, pc.val),
this->get_type(traits<ARCH>::XLEN));
this->builder.CreateStore(next_pc_v, get_reg_ptr(reg_num), true);
}
// some compile time constants
@ -198,25 +190,19 @@ private:
/* 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, std::ostringstream& os){<%instr.code.eachLine{%>
compile_ret_t __${generator.functionName(instr.name)}(virt_addr_t& pc, code_word_t instr, tu_builder& tu){<%instr.code.eachLine{%>
${it}<%}%>
}
<%}%>
/****************************************************************************
* end opcode definitions
****************************************************************************/
compile_ret_t illegal_intruction(virt_addr_t &pc, code_word_t instr, std::stringstream& os) {
this->gen_sync(iss::PRE_SYNC, instr_descr.size());
this->builder.CreateStore(this->builder.CreateLoad(get_reg_ptr(traits<ARCH>::NEXT_PC), true),
get_reg_ptr(traits<ARCH>::PC), true);
this->builder.CreateStore(
this->builder.CreateAdd(this->builder.CreateLoad(get_reg_ptr(traits<ARCH>::ICOUNT), true),
this->gen_const(64U, 1)),
get_reg_ptr(traits<ARCH>::ICOUNT), true);
compile_ret_t illegal_intruction(virt_addr_t &pc, code_word_t instr, tu_builder& tu) {
vm_impl::gen_sync(tu, iss::PRE_SYNC, instr_descr.size());
pc = pc + ((instr & 3) == 3 ? 4 : 2);
this->gen_raise_trap(0, 2); // illegal instruction trap
this->gen_sync(iss::POST_SYNC, instr_descr.size());
this->gen_trap_check(this->leave_blk);
gen_raise_trap(tu, 0, 2); // illegal instruction trap
vm_impl::gen_sync(tu, iss::POST_SYNC, instr_descr.size());
vm_impl::gen_trap_check(tu);
return BRANCH;
}
};
@ -243,7 +229,7 @@ vm_impl<ARCH>::vm_impl(ARCH &core, unsigned core_id, unsigned cluster_id)
template <typename ARCH>
std::tuple<continuation_e>
vm_impl<ARCH>::gen_single_inst_behavior(virt_addr_t &pc, unsigned int &inst_cnt, std::ostringstream& os) {
vm_impl<ARCH>::gen_single_inst_behavior(virt_addr_t &pc, unsigned int &inst_cnt, tu_builder& tu) {
// we fetch at max 4 byte, alignment is 2
enum {TRAP_ID=1<<16};
code_word_t insn = 0;
@ -269,53 +255,31 @@ vm_impl<ARCH>::gen_single_inst_behavior(virt_addr_t &pc, unsigned int &inst_cnt,
if (f == nullptr) {
f = &this_class::illegal_intruction;
}
return (this->*f)(pc, insn, this_block);
return (this->*f)(pc, insn, tu);
}
template <typename ARCH> void vm_impl<ARCH>::gen_leave_behavior(BasicBlock *leave_blk) {
this->builder.SetInsertPoint(leave_blk);
this->builder.CreateRet(this->builder.CreateLoad(get_reg_ptr(arch::traits<ARCH>::NEXT_PC), false));
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_raise_trap(uint16_t trap_id, uint16_t cause) {
auto *TRAP_val = this->gen_const(32, 0x80 << 24 | (cause << 16) | trap_id);
this->builder.CreateStore(TRAP_val, get_reg_ptr(traits<ARCH>::TRAP_STATE), true);
this->builder.CreateStore(this->gen_const(32U, std::numeric_limits<uint32_t>::max()), get_reg_ptr(traits<ARCH>::LAST_BRANCH), false);
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_leave_trap(unsigned lvl) {
std::vector<Value *> args{ this->core_ptr, ConstantInt::get(getContext(), APInt(64, lvl)) };
this->builder.CreateCall(this->mod->getFunction("leave_trap"), args);
auto *PC_val = this->gen_read_mem(traits<ARCH>::CSR, (lvl << 8) + 0x41, traits<ARCH>::XLEN / 8);
this->builder.CreateStore(PC_val, get_reg_ptr(traits<ARCH>::NEXT_PC), false);
this->builder.CreateStore(this->gen_const(32U, std::numeric_limits<uint32_t>::max()), get_reg_ptr(traits<ARCH>::LAST_BRANCH), false);
template <typename ARCH> void vm_impl<ARCH>::gen_wait(tu_builder& tu, unsigned type) {
}
template <typename ARCH> void vm_impl<ARCH>::gen_wait(unsigned type) {
std::vector<Value *> args{ this->core_ptr, ConstantInt::get(getContext(), APInt(64, type)) };
this->builder.CreateCall(this->mod->getFunction("wait"), args);
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;");
}
template <typename ARCH> void vm_impl<ARCH>::gen_trap_behavior(BasicBlock *trap_blk) {
this->builder.SetInsertPoint(trap_blk);
auto *trap_state_val = this->builder.CreateLoad(get_reg_ptr(traits<ARCH>::TRAP_STATE), true);
this->builder.CreateStore(this->gen_const(32U, std::numeric_limits<uint32_t>::max()),
get_reg_ptr(traits<ARCH>::LAST_BRANCH), false);
std::vector<Value *> args{this->core_ptr, this->adj_to64(trap_state_val),
this->adj_to64(this->builder.CreateLoad(get_reg_ptr(traits<ARCH>::PC), false))};
this->builder.CreateCall(this->mod->getFunction("enter_trap"), args);
auto *trap_addr_val = this->builder.CreateLoad(get_reg_ptr(traits<ARCH>::NEXT_PC), false);
this->builder.CreateRet(trap_addr_val);
}
template <typename ARCH> inline void vm_impl<ARCH>::gen_trap_check(BasicBlock *bb) {
auto *v = this->builder.CreateLoad(get_reg_ptr(arch::traits<ARCH>::TRAP_STATE), true);
this->gen_cond_branch(this->builder.CreateICmp(
ICmpInst::ICMP_EQ, v,
ConstantInt::get(getContext(), APInt(v->getType()->getIntegerBitWidth(), 0))),
bb, this->trap_blk, 1);
}
} // namespace ${coreDef.name.toLowerCase()}
} // namespace mnrv32
template <>
std::unique_ptr<vm_if> create<arch::${coreDef.name.toLowerCase()}>(arch::${coreDef.name.toLowerCase()} *core, unsigned short port, bool dump) {

4
incl/iss/arch/mnrv32.h
View File

@ -182,6 +182,8 @@ struct mnrv32: public arch_if {
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<mnrv32>::MEM || addr.type == iss::address_type::PHYSICAL ||
addr_mode[static_cast<uint16_t>(addr.access)&0x3]==address_type::PHYSICAL) {
@ -238,7 +240,7 @@ protected:
std::array<address_type, 4> addr_mode;
bool interrupt_sim=false;
uint64_t interrupt_sim=0;
uint32_t get_fcsr(){return 0;}
void set_fcsr(uint32_t val){}

22
incl/iss/arch/riscv_hart_msu_vp.h
View File

@ -657,9 +657,11 @@ iss::status riscv_hart_msu_vp<BASE>::read(const address_type type, const access_
const uint64_t addr, const unsigned length, uint8_t *const data) {
#ifndef NDEBUG
if (access && iss::access_type::DEBUG) {
LOG(TRACE) << "debug read of " << length << " bytes @addr " << addr;
LOG(TRACEALL) << "debug read of " << length << " bytes @addr 0x" << std::hex << addr;
} else if(access && iss::access_type::FETCH){
LOG(TRACEALL) << "fetch of " << length << " bytes @addr 0x" << std::hex << addr;
} else {
LOG(TRACE) << "read of " << length << " bytes @addr " << addr;
LOG(TRACE) << "read of " << length << " bytes @addr 0x" << std::hex << addr;
}
#endif
try {
@ -738,19 +740,19 @@ iss::status riscv_hart_msu_vp<BASE>::write(const address_type type, const access
switch (length) {
case 8:
LOG(TRACE) << prefix << "write of " << length << " bytes (0x" << std::hex << *(uint64_t *)&data[0] << std::dec
<< ") @addr " << addr;
<< ") @addr 0x" << std::hex << addr;
break;
case 4:
LOG(TRACE) << prefix << "write of " << length << " bytes (0x" << std::hex << *(uint32_t *)&data[0] << std::dec
<< ") @addr " << addr;
<< ") @addr 0x" << std::hex << addr;
break;
case 2:
LOG(TRACE) << prefix << "write of " << length << " bytes (0x" << std::hex << *(uint16_t *)&data[0] << std::dec
<< ") @addr " << addr;
<< ") @addr 0x" << std::hex << addr;
break;
case 1:
LOG(TRACE) << prefix << "write of " << length << " bytes (0x" << std::hex << (uint16_t)data[0] << std::dec
<< ") @addr " << addr;
<< ") @addr 0x" << std::hex << addr;
break;
default:
LOG(TRACE) << prefix << "write of " << length << " bytes @addr " << addr;
@ -1082,7 +1084,10 @@ iss::status riscv_hart_msu_vp<BASE>::write_mem(phys_addr_t paddr, unsigned lengt
LOG(INFO) << "tohost value is 0x" << std::hex << hostvar << std::dec << " (" << hostvar
<< "), stopping simulation";
}
throw(iss::simulation_stopped(hostvar));
this->reg.trap_state=std::numeric_limits<uint32_t>::max();
this->interrupt_sim=hostvar;
break;
//throw(iss::simulation_stopped(hostvar));
case 0x0101: {
char c = static_cast<char>(hostvar & 0xff);
if (c == '\n' || c == 0) {
@ -1313,8 +1318,9 @@ template <typename BASE> uint64_t riscv_hart_msu_vp<BASE>::enter_trap(uint64_t f
this->reg.trap_state = 0;
std::array<char, 32> buffer;
sprintf(buffer.data(), "0x%016lx", addr);
if((flags&0xffffffff) != 0xffffffff)
CLOG(INFO, disass) << (trap_id ? "Interrupt" : "Trap") << " with cause '"
<< (trap_id ? irq_str[cause] : trap_str[cause]) << "' (" << trap_id << ")"
<< (trap_id ? irq_str[cause] : trap_str[cause]) << "' (" << cause << ")"
<< " at address " << buffer.data() << " occurred, changing privilege level from "
<< lvl[cur_priv] << " to " << lvl[new_priv];
update_vm_info();

2
incl/sysc/core_complex.h
View File

@ -75,8 +75,6 @@ class core_wrapper;
class core_complex : public sc_core::sc_module, public scc::traceable {
public:
SC_HAS_PROCESS(core_complex);// NOLINT
scc::initiator_mixin<scv4tlm::tlm_rec_initiator_socket<32>> initiator;
sc_core::sc_in<sc_core::sc_time> clk_i;

2
softfloat/CMakeLists.txt
View File

@ -1,4 +1,4 @@
cmake_minimum_required(VERSION 3.3)
cmake_minimum_required(VERSION 3.12)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/../cmake) # main (top) cmake dir
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake) # project specific cmake dir

36
src/main.cpp
View File

@ -36,10 +36,7 @@
#include <boost/lexical_cast.hpp>
#include <boost/program_options.hpp>
#include <iss/arch/riscv_hart_msu_vp.h>
#include <iss/arch/rv32imac.h>
#include <iss/arch/rv32gc.h>
#include <iss/arch/rv64gc.h>
#include <iss/arch/rv64i.h>
#include <iss/arch/mnrv32.h>
#include <iss/llvm/jit_helper.h>
#include <iss/log_categories.h>
#include <iss/plugin/cycle_estimate.h>
@ -66,6 +63,7 @@ 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("rv32gc"), "isa to use for simulation");
// clang-format on
auto parsed = po::command_line_parser(argc, argv).options(desc).allow_unregistered().run();
@ -85,6 +83,8 @@ int main(int argc, char *argv[]) {
}
std::vector<std::string> args = collect_unrecognized(parsed.options, po::include_positional);
LOGGER(DEFAULT)::print_time() = false;
LOGGER(connection)::print_time() = false;
if (clim.count("verbose")) {
auto l = logging::as_log_level(clim["verbose"].as<int>());
LOGGER(DEFAULT)::reporting_level() = l;
@ -107,26 +107,14 @@ int main(int argc, char *argv[]) {
std::unique_ptr<iss::vm_if> vm{nullptr};
std::unique_ptr<iss::arch_if> cpu{nullptr};
std::string isa_opt(clim["isa"].as<std::string>());
// if (isa_opt=="rv64ia") {
// iss::arch::rv64i* lcpu = new iss::arch::riscv_hart_msu_vp<iss::arch::rv64i>();
// vm = iss::llvm::create(lcpu, clim["gdb-port"].as<unsigned>());
// cpu.reset(lcpu);
// } else if (isa_opt=="rv64gc") {
// iss::arch::rv64gc* lcpu = new iss::arch::riscv_hart_msu_vp<iss::arch::rv64gc>();
// vm = iss::llvm::create(lcpu, clim["gdb-port"].as<unsigned>());
// cpu.reset(lcpu);
// } else if (isa_opt=="rv32imac") {
iss::arch::rv32imac* lcpu = new iss::arch::riscv_hart_msu_vp<iss::arch::rv32imac>();
iss::arch::mnrv32* lcpu = new iss::arch::riscv_hart_msu_vp<iss::arch::mnrv32>();
if(clim["backend"].as<std::string>() == "interp")
vm = iss::interp::create(lcpu, clim["gdb-port"].as<unsigned>());
if(clim["backend"].as<std::string>() == "llvm")
vm = iss::llvm::create(lcpu, clim["gdb-port"].as<unsigned>());
if(clim["backend"].as<std::string>() == "tcc")
vm = iss::tcc::create(lcpu, clim["gdb-port"].as<unsigned>());
cpu.reset(lcpu);
// } else if (isa_opt=="rv32gc") {
// iss::arch::rv32gc* lcpu = new iss::arch::riscv_hart_msu_vp<iss::arch::rv32gc>();
// vm = iss::llvm::create(lcpu, clim["gdb-port"].as<unsigned>());
// cpu.reset(lcpu);
// } else {
// LOG(ERROR) << "Illegal argument value for '--isa': " << clim["isa"].as<std::string>() << std::endl;
// return 127;
// }
if (clim.count("plugin")) {
for (std::string opt_val : clim["plugin"].as<std::vector<std::string>>()) {
std::string plugin_name{opt_val};
@ -153,16 +141,16 @@ int main(int argc, char *argv[]) {
if (clim.count("disass")) {
vm->setDisassEnabled(true);
LOGGER(disass)::reporting_level() = logging::INFO;
LOGGER(disass)::print_time() = false;
auto file_name = clim["disass"].as<std::string>();
if (file_name.length() > 0) {
LOG_OUTPUT(disass)::stream() = fopen(file_name.c_str(), "w");
LOGGER(disass)::print_time() = false;
LOGGER(disass)::print_severity() = false;
}
}
uint64_t start_address = 0;
if (clim.count("mem"))
vm->get_arch()->load_file(clim["mem"].as<std::string>(), iss::arch::traits<iss::arch::rv32imac>::MEM);
vm->get_arch()->load_file(clim["mem"].as<std::string>(), iss::arch::traits<iss::arch::mnrv32>::MEM);
if (clim.count("elf"))
for (std::string input : clim["elf"].as<std::vector<std::string>>()) {
auto start_addr = vm->get_arch()->load_file(input);

18
src/sysc/core_complex.cpp
View File

@ -32,7 +32,8 @@
#include "sysc/core_complex.h"
#include "iss/arch/riscv_hart_msu_vp.h"
#include "iss/arch/rv32imac.h"
//#include "iss/arch/rv32imac.h"
#include "iss/arch/mnrv32.h"
#include "iss/debugger/encoderdecoder.h"
#include "iss/debugger/gdb_session.h"
#include "iss/debugger/server.h"
@ -59,6 +60,9 @@ namespace {
iss::debugger::encoder_decoder encdec;
}
//using core_type = iss::arch::rv32imac;
using core_type = iss::arch::mnrv32;
namespace {
std::array<const char, 4> lvl = {{'U', 'S', 'H', 'M'}};
@ -87,11 +91,10 @@ std::array<const char*, 12> irq_str = { {
"User external interrupt", "Supervisor external interrupt", "Reserved", "Machine external interrupt" } };
}
class core_wrapper : public iss::arch::riscv_hart_msu_vp<iss::arch::rv32imac> {
class core_wrapper : public iss::arch::riscv_hart_msu_vp<core_type> {
public:
using core_type = arch::rv32imac;
using base_type = arch::riscv_hart_msu_vp<arch::rv32imac>;
using phys_addr_t = typename arch::traits<arch::rv32imac>::phys_addr_t;
using base_type = arch::riscv_hart_msu_vp<core_type>;
using phys_addr_t = typename arch::traits<core_type>::phys_addr_t;
core_wrapper(core_complex *owner)
: owner(owner)
{
@ -99,7 +102,7 @@ public:
uint32_t get_mode() { return this->reg.machine_state; }
inline void set_interrupt_execution(bool v) { this->interrupt_sim = v; }
inline void set_interrupt_execution(bool v) { this->interrupt_sim = v?1:0; }
inline bool get_interrupt_execution() { return this->interrupt_sim; }
@ -252,6 +255,7 @@ core_complex::core_complex(sc_module_name name)
, fetch_tr_handle(nullptr)
#endif
{
SC_HAS_PROCESS(core_complex);// NOLINT
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) {
@ -282,7 +286,7 @@ void core_complex::trace(sc_trace_file *trf) const {}
void core_complex::before_end_of_elaboration() {
cpu = scc::make_unique<core_wrapper>(this);
vm = llvm::create<arch::rv32imac>(cpu.get(), gdb_server_port.get_value(), dump_ir.get_value());
vm = llvm::create<core_type>(cpu.get(), gdb_server_port.get_value(), dump_ir.get_value());
#ifdef WITH_SCV
vm->setDisassEnabled(enable_disass.get_value() || m_db != nullptr);
#else

2982
src/vm/interp/vm_mnrv32.cpp Normal file
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6
src/vm/llvm/fp_functions.cpp
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@ -44,10 +44,11 @@ extern "C" {
#include <limits>
namespace iss {
namespace vm {
namespace llvm {
namespace fp_impl {
using namespace std;
using namespace ::llvm;
#define INT_TYPE(L) Type::getIntNTy(mod->getContext(), L)
#define FLOAT_TYPE Type::getFloatTy(mod->getContext())
@ -65,10 +66,9 @@ using namespace std;
#define FDECL(NAME, RET, ...) \
std::vector<Type *> NAME##_args{__VA_ARGS__}; \
FunctionType *NAME##_type = llvm::FunctionType::get(RET, NAME##_args, false); \
FunctionType *NAME##_type = FunctionType::get(RET, NAME##_args, false); \
mod->getOrInsertFunction(#NAME, NAME##_type);
using namespace llvm;
void add_fp_functions_2_module(Module *mod, uint32_t flen, uint32_t xlen) {
if(flen){

2582
src/vm/llvm/vm_mnrv32.cpp Normal file
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4
src/vm/llvm/vm_rv32gc.cpp
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@ -47,7 +47,7 @@
#include <iss/debugger/riscv_target_adapter.h>
namespace iss {
namespace vm {
namespace llvm {
namespace fp_impl {
void add_fp_functions_2_module(llvm::Module *, unsigned, unsigned);
}
@ -91,7 +91,7 @@ protected:
void setup_module(Module* m) override {
super::setup_module(m);
iss::vm::fp_impl::add_fp_functions_2_module(m, traits<ARCH>::FP_REGS_SIZE, traits<ARCH>::XLEN);
iss::llvm::fp_impl::add_fp_functions_2_module(m, traits<ARCH>::FP_REGS_SIZE, traits<ARCH>::XLEN);
}
inline Value *gen_choose(Value *cond, Value *trueVal, Value *falseVal, unsigned size) {

12
src/vm/llvm/vm_rv32imac.cpp
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@ -47,21 +47,21 @@
#include <iss/debugger/riscv_target_adapter.h>
namespace iss {
namespace vm {
namespace llvm {
namespace fp_impl {
void add_fp_functions_2_module(llvm::Module *, unsigned, unsigned);
}
}
namespace llvm {
namespace rv32imac {
using namespace iss::arch;
using namespace llvm;
using namespace iss::debugger;
using namespace iss::llvm;
using namespace iss::vm::llvm;
template <typename ARCH> class vm_impl : public vm_base<ARCH> {
public:
using super = typename iss::llvm::vm_base<ARCH>;
using super = typename iss::vm::llvm::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;
@ -91,7 +91,7 @@ protected:
void setup_module(Module* m) override {
super::setup_module(m);
iss::vm::fp_impl::add_fp_functions_2_module(m, traits<ARCH>::FP_REGS_SIZE, traits<ARCH>::XLEN);
iss::llvm::fp_impl::add_fp_functions_2_module(m, traits<ARCH>::FP_REGS_SIZE, traits<ARCH>::XLEN);
}
inline Value *gen_choose(Value *cond, Value *trueVal, Value *falseVal, unsigned size) {
@ -4815,5 +4815,5 @@ std::unique_ptr<vm_if> create<arch::rv32imac>(arch::rv32imac *core, unsigned sho
if (port != 0) debugger::server<debugger::gdb_session>::run_server(ret, port);
return std::unique_ptr<vm_if>(ret);
}
}
} // namespace iss

4
src/vm/llvm/vm_rv64gc.cpp
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@ -47,7 +47,7 @@
#include <iss/debugger/riscv_target_adapter.h>
namespace iss {
namespace vm {
namespace llvm {
namespace fp_impl {
void add_fp_functions_2_module(llvm::Module *, unsigned, unsigned);
}
@ -91,7 +91,7 @@ protected:
void setup_module(Module* m) override {
super::setup_module(m);
iss::vm::fp_impl::add_fp_functions_2_module(m, traits<ARCH>::FP_REGS_SIZE, traits<ARCH>::XLEN);
iss::llvm::fp_impl::add_fp_functions_2_module(m, traits<ARCH>::FP_REGS_SIZE, traits<ARCH>::XLEN);
}
inline Value *gen_choose(Value *cond, Value *trueVal, Value *falseVal, unsigned size) {

8
src/vm/llvm/vm_rv64i.cpp
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@ -47,7 +47,7 @@
#include <iss/debugger/riscv_target_adapter.h>
namespace iss {
namespace vm {
namespace llvm {
namespace fp_impl {
void add_fp_functions_2_module(llvm::Module *, unsigned, unsigned);
}
@ -57,11 +57,11 @@ namespace rv64i {
using namespace iss::arch;
using namespace llvm;
using namespace iss::debugger;
using namespace iss::vm::llvm;
using namespace iss::llvm;
template <typename ARCH> class vm_impl : public vm_base<ARCH> {
public:
using super = typename iss::vm::llvm::vm_base<ARCH>;
using super = typename iss::llvm::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;
@ -91,7 +91,7 @@ protected:
void setup_module(Module* m) override {
super::setup_module(m);
iss::vm::fp_impl::add_fp_functions_2_module(m, traits<ARCH>::FP_REGS_SIZE, traits<ARCH>::XLEN);
iss::llvm::fp_impl::add_fp_functions_2_module(m, traits<ARCH>::FP_REGS_SIZE, traits<ARCH>::XLEN);
}
inline Value *gen_choose(Value *cond, Value *trueVal, Value *falseVal, unsigned size) {

2593
src/vm/tcc/vm_mnrv32.cpp
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49
src/vm/tcc/vm_rv64i.cpp
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@ -35,7 +35,7 @@
#include <iss/debugger/gdb_session.h>
#include <iss/debugger/server.h>
#include <iss/iss.h>
#include <iss/llvm/vm_base.h>
#include <iss/tcc/vm_base.h>
#include <util/logging.h>
#ifndef FMT_HEADER_ONLY
@ -57,11 +57,10 @@ namespace tcc {
namespace rv64i {
using namespace iss::arch;
using namespace iss::debugger;
using namespace iss::vm::llvm;
template <typename ARCH> class vm_impl : public vm_base<ARCH> {
public:
using super = typename iss::vm::llvm::vm_base<ARCH>;
using super = typename iss::tcc::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;
@ -114,16 +113,14 @@ protected:
void gen_trap_behavior(BasicBlock *) override;
void gen_trap_check(BasicBlock *bb);
std::string gen_trap_check(BasicBlock *bb);
inline Value *gen_reg_load(unsigned i, unsigned level = 0) {
return this->builder.CreateLoad(get_reg_ptr(i), false);
}
inline void gen_set_pc(virt_addr_t pc, unsigned reg_num) {
Value *next_pc_v = this->builder.CreateSExtOrTrunc(this->gen_const(traits<ARCH>::XLEN, pc.val),
this->get_type(traits<ARCH>::XLEN));
this->builder.CreateStore(next_pc_v, get_reg_ptr(reg_num), true);
inline std::string gen_set_pc(virt_addr_t pc, unsigned reg_num) {
return fmt::format("*((uint64_t*){}) = {}\n", get_reg_ptr(reg_num), next_pc_v.val);
}
// some compile time constants
@ -328,6 +325,33 @@ private:
/* instruction 1: AUIPC */
compile_ret_t __auipc(virt_addr_t& pc, code_word_t instr, std::ostringstream& os){
os<<fmt::format("AUIPC-{:%08x}:\n", pc.val);
os<<this->gen_sync(PRE_SYNC, 1);
uint8_t rd = ((bit_sub<7,5>(instr)));
int32_t imm = signextend<int32_t,32>((bit_sub<12,20>(instr) << 12));
if(this->disass_enabled){
/* generate console output when executing the command */
auto mnemonic = fmt::format(
"{mnemonic:10} {rd}, {imm:#08x}", fmt::arg("mnemonic", "auipc"),
fmt::arg("rd", name(rd)), fmt::arg("imm", imm));
this->builder.CreateCall(this->mod->getFunction("print_disass"), args);
os<<fmt::format("\tprint_disass((void*){}, {}, {});\n", this->core_ptr, pc.val, mnemonic);
}
Value* cur_pc_val = this->gen_const(64, pc.val);
pc=pc+4;
if(rd != 0){
os<<fmt::format("uint64_t res = {} + {};\n", cur_pc_val, imm);
os<<fmt::format("*((uint64_t*){}) = ret\n", get_reg_ptr(rd + traits<ARCH>::X0));
}
os<<this->gen_set_pc(pc, traits<ARCH>::NEXT_PC);
os<<this->gen_sync(POST_SYNC, 1);
os<<this->gen_trap_check(bb);
return std::make_tuple(CONT);
}
/* instruction 2: JAL */
@ -684,12 +708,9 @@ template <typename ARCH> void vm_impl<ARCH>::gen_trap_behavior(BasicBlock *trap_
this->builder.CreateRet(trap_addr_val);
}
template <typename ARCH> inline void vm_impl<ARCH>::gen_trap_check(BasicBlock *bb) {
auto *v = this->builder.CreateLoad(get_reg_ptr(arch::traits<ARCH>::TRAP_STATE), true);
this->gen_cond_branch(this->builder.CreateICmp(
ICmpInst::ICMP_EQ, v,
ConstantInt::get(getContext(), APInt(v->getType()->getIntegerBitWidth(), 0))),
bb, this->trap_blk, 1);
template <typename ARCH> inline std::string vm_impl<ARCH>::gen_trap_check(BasicBlock *bb) {
return fmt::format("if(*(uint32_t){})!=0) goto trap_blk;\n", get_reg_ptr(arch::traits<ARCH>::TRAP_STATE));
}
} // namespace rv64i