regenerated sources and and add opcode enum to headers

CMakeLists.txt

@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.12)
 
-project("riscv" VERSION 1.0.0)
+project("tgfs" VERSION 1.0.0)
 
 include(GNUInstallDirs)
 
@@ -28,7 +28,7 @@ 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} )
+set(LIB_HEADERS tgfscVSCHeaders} )
 set(LIB_SOURCES 
 	src/iss/tgf_b.cpp
 	src/iss/tgf_c.cpp
@@ -49,56 +49,58 @@ set(LIB_SOURCES ${LIB_SOURCES}
 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)
-target_link_libraries(riscv PUBLIC -Wl,--whole-archive dbt-core -Wl,--no-whole-archive)
-set_target_properties(riscv PROPERTIES
+add_library(tgfs SHARED ${LIB_SOURCES})
+# list code gen dependencies
+add_dependencies(tgfs TGF_C_src)
+
+target_compile_options(tgfs PRIVATE -Wno-shift-count-overflow)
+target_include_directories(tgfs PUBLIC incl)
+target_link_libraries(tgfs PUBLIC softfloat scc-util)
+target_link_libraries(tgfs PUBLIC -Wl,--whole-archive dbt-core -Wl,--no-whole-archive)
+target_link_libraries(tgfs PUBLIC ${Boost_LIBRARIES} )
+set_target_properties(tgfs 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})
+	add_library(tgfs_sc src/sysc/core_complex.cpp)
+	target_compile_definitions(tgfs_sc PUBLIC WITH_SYSTEMC) 
+	target_include_directories(tgfs_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})
+	    target_compile_definitions(tgfs_sc PUBLIC WITH_SCV)
+	    target_include_directories(tgfs_sc PUBLIC ${SCV_INCLUDE_DIRS})
 	endif()
-	target_link_libraries(riscv_sc PUBLIC riscv scc )
+	target_link_libraries(tgfs_sc PUBLIC tgfs scc )
 	if(WITH_LLVM)
-		target_link_libraries(riscv_sc PUBLIC ${llvm_libs})
+		target_link_libraries(tgfs_sc PUBLIC ${llvm_libs})
 	endif()
-	target_link_libraries(riscv_sc PUBLIC ${Boost_LIBRARIES} )
-	set_target_properties(riscv_sc PROPERTIES
+	set_target_properties(tgfs_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)
+project("tgfs-sim")
+add_executable(tgfs-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})
+	target_compile_definitions(tgfs-sim PRIVATE WITH_LLVM)
+	target_link_libraries(tgfs-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} )
+target_link_libraries(tgfs-sim tgfs)
+target_link_libraries(tgfs-sim jsoncpp)
+target_link_libraries(tgfs-sim ${Boost_LIBRARIES} )
 if (Tcmalloc_FOUND)
-    target_link_libraries(riscv-sim ${Tcmalloc_LIBRARIES})
+    target_link_libraries(tgfs-sim ${Tcmalloc_LIBRARIES})
 endif(Tcmalloc_FOUND)
 
-install(TARGETS riscv riscv-sim
+install(TARGETS tgfs tgfs-sim
   EXPORT ${PROJECT_NAME}Targets            # for downstream dependencies
   ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT libs   # static lib
   RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT libs   # binaries

gen_input/TGFS.core_desc

@@ -3,26 +3,25 @@ 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;
+	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
+        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;
+    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
+        unsigned MISA_VAL=0b01000000000000000001000100000100;
+        unsigned PGSIZE = 0x1000; //1 << 12;
+        unsigned PGMASK = 0xfff; //PGSIZE-1
     }
 }

gen_input/minres_rv.core_desc

@@ -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
-    }
-}
-

gen_input/templates/interp/CORENAME.cpp.gtl

@@ -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, 32, 32, 64] // append TRAP_STATE, PENDING_TRAP, MACHINE_STATE, LAST_BRANCH, ICOUNT
+    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;

gen_input/templates/interp/CORENAME.h.gtl

@@ -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
@@ -29,47 +29,29 @@
  * 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 getRegisterSizes(){
+    def regs = registers.collect{it.size}
+    regs[-1]=pc.size // correct for NEXT_PC
+    regs+=[32, 32, 32, 32, 64] // append TRAP_STATE, PENDING_TRAP, MACHINE_STATE, LAST_BRANCH, ICOUNT
+    return regs
 }
-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 getRegisterOffsets(){
+    def regs = registers.collect{it.offset}
+    def offs= regs[-1]
+     // append TRAP_STATE, PENDING_TRAP, MACHINE_STATE, LAST_BRANCH, ICOUNT offsets starting with NEXT_PC size
+    [pc.size/8, 4, 4, 4, 4].each{ sz ->
+        regs+=offs+sz
+        offs+=sz
     }
+    return regs
 }
-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 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;
 }
 %>
 #ifndef _${coreDef.name.toUpperCase()}_H_
@@ -89,41 +71,29 @@ template <> struct traits<${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*, ${registers.size}> reg_names{
+        {"${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+"="+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){ %>
+        registers.each { reg -> %>
         ${reg.name},<%  
-            }
         }%>
-        NUM_REGS,
         NEXT_${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}<%
-            }
-        }%>
+        ICOUNT
     };
 
-    using reg_t = uint${regDataWidth}_t;
+    using reg_t = uint${addrDataWidth}_t;
 
     using addr_t = uint${addrDataWidth}_t;
 
@@ -133,17 +103,22 @@ 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 {
@@ -190,16 +165,10 @@ struct ${coreDef.name.toLowerCase()}: public arch_if {
 
 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_${pc.name} = 0;
+        registers.each { reg -> if(reg.size>0) {%> 
+        uint${byteSize(reg.size)}_t ${reg.name} = 0;<%
+        }}%>
+        uint${byteSize(pc.size)}_t NEXT_${pc.name} = 0;
         uint32_t trap_state = 0, pending_trap = 0, machine_state = 0, last_branch = 0;
         uint64_t icount = 0;
     } reg;
@@ -208,10 +177,10 @@ protected:
     
     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){}

gen_input/templates/interp/vm_CORENAME.cpp.gtl

@@ -56,13 +56,14 @@ 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<ARCH>::reg_t;
-    using iss::interp::vm_base<ARCH>::get_reg;
+    using reg_t       = typename traits::reg_t;
+    using mem_type_e  = typename traits::mem_type_e;
 
     vm_impl();
 
@@ -82,7 +83,7 @@ protected:
     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);}
+    inline const char *name(size_t index){return traits::reg_aliases.at(index);}
 
     virt_addr_t execute_inst(virt_addr_t start, std::function<bool(void)> pred) override;
 
@@ -138,23 +139,31 @@ protected:
         return lut_val;
     }
 
-    void raise_trap(uint16_t trap_id, uint16_t cause){
+    void raise(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();
+        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();
     }
 
-    void leave_trap(unsigned lvl){
+    void leave(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();
+        auto pc_val = super::template read_mem<reg_t>(traits::CSR, (lvl << 8) + 0x41);
+        this->template get_reg<reg_t>(traits::NEXT_PC) = pc_val;
+        this->template get_reg<uint32_t>(traits::LAST_BRANCH) = std::numeric_limits<uint32_t>::max();
     }
 
     void wait(unsigned type){
         this->core.wait_until(type);
     }
 
+    inline uint8_t readSpace1(typename super::mem_type_e space, uint64_t addr){return super::template read_mem<uint8_t>(space, addr);}
+    inline uint16_t readSpace2(typename super::mem_type_e space, uint64_t addr){return super::template read_mem<uint16_t>(space, addr);}
+    inline uint32_t readSpace4(typename super::mem_type_e space, uint64_t addr){return super::template read_mem<uint32_t>(space, addr);}
+    inline uint64_t readSpace8(typename super::mem_type_e space, uint64_t addr){return super::template read_mem<uint64_t>(space, addr);}
+    inline void writeSpace1(typename super::mem_type_e space, uint64_t addr, uint8_t data){super::write_mem(space, addr, data);}
+    inline void writeSpace2(typename super::mem_type_e space, uint64_t addr, uint16_t data){super::write_mem(space, addr, data);}
+    inline void writeSpace4(typename super::mem_type_e space, uint64_t addr, uint32_t data){super::write_mem(space, addr, data);}
+    inline void writeSpace8(typename super::mem_type_e space, uint64_t addr, uint64_t data){super::write_mem(space, addr, data);}
 
 private:
     /****************************************************************************
@@ -170,13 +179,38 @@ private:
     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)}},<%}%>
+        {${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){<%instr.code.eachLine{%>
-        ${it}<%}%>
+    compile_ret_t __${generator.functionName(instr.name)}(virt_addr_t& pc, code_word_t instr){
+        // pre execution stuff
+        this->do_sync(PRE_SYNC, ${idx});
+        <%instr.fields.eachLine{%>${it}
+        <%}%>if(this->disass_enabled){
+            /* generate console output when executing the command */
+            <%instr.disass.eachLine{%>${it}
+            <%}%>
+        }
+        // prepare execution
+        uint${addrDataWidth}_t* X = reinterpret_cast<uint${addrDataWidth}_t*>(this->regs_base_ptr+arch::traits<ARCH>::reg_byte_offsets[arch::traits<ARCH>::X0]);
+        uint${addrDataWidth}_t* PC = reinterpret_cast<uint${addrDataWidth}_t*>(this->regs_base_ptr+arch::traits<ARCH>::reg_byte_offsets[arch::traits<ARCH>::PC]);
+        // execute instruction
+        <%instr.behavior.eachLine{%>${it}
+        <%}%>// post execution stuff<% if(instr.modifiesPC) { %>
+        super::template get_reg<reg_t>(arch::traits<ARCH>::NEXT_PC) = super::template get_reg<reg_t>(arch::traits<ARCH>::PC);<% } else { %>
+        super::template get_reg<reg_t>(arch::traits<ARCH>::NEXT_PC) = pc.val + ${instr.length/8};<% } %>
+        if(this->sync_exec && POST_SYNC) this->do_sync(POST_SYNC, ${idx});
+        auto& trap_state = super::template get_reg<uint32_t>(arch::traits<ARCH>::TRAP_STATE);
+        // trap check
+        if(trap_state!=0){
+            auto& last_br = super::template get_reg<uint32_t>(arch::traits<ARCH>::LAST_BRANCH);
+            last_br = std::numeric_limits<uint32_t>::max();
+            super::core.enter_trap(trap_state, pc.val);
+        }
+        pc.val=super::template get_reg<reg_t>(arch::traits<ARCH>::NEXT_PC);
+        return pc;
     }
     <%}%>
     /****************************************************************************
@@ -212,7 +246,7 @@ 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;
+    const typename traits::addr_t upper_bits = ~traits::PGMASK;
     code_word_t insn = 0;
     auto *const data = (uint8_t *)&insn;
     auto pc=start;

incl/iss/arch/tgf_b.h

@@ -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
@@ -30,7 +30,6 @@
  *
  *******************************************************************************/
 
-
 #ifndef _TGF_B_H_
 #define _TGF_B_H_
 
@@ -48,13 +47,13 @@ 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*, 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", "PRIV", "NUM_REGS"}};
  
-  	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"}};
+    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", "PRIV", "NUM_REGS"}};
 
-    enum constants {XLEN=32, PCLEN=32, MISA_VAL=0b1000000000000000000000100000000, PGSIZE=0x1000, PGMASK=0xfff};
+    enum constants {XLEN=32, PCLEN=32, MISA_VAL=0b1000000000000000000000100000000, PGSIZE=0x1000, PGMASK=0xfff, CSR_SIZE=4096, fence=0, fencei=1, fencevmal=2, fencevmau=3};
 
     constexpr static unsigned FP_REGS_SIZE = 0;
 
@@ -92,45 +91,14 @@ template <> struct traits<tgf_b> {
         X30,
         X31,
         PC,
+        PRIV,
         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
+        ICOUNT
     };
 
     using reg_t = uint32_t;
@@ -143,17 +111,73 @@ template <> struct traits<tgf_b> {
 
     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_bit_widths{
+        {32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,2,32,32,32,32,32,64}};
 
     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}};
+        {0,4,8,12,16,20,24,28,32,36,40,44,48,52,56,60,64,68,72,76,80,84,88,92,96,100,104,108,112,116,120,124,128,132,133,137,141,145,149,153}};
 
     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,
+        FENCE_I = 38,
+        ECALL = 39,
+        EBREAK = 40,
+        URET = 41,
+        SRET = 42,
+        MRET = 43,
+        WFI = 44,
+        SFENCE_VMA = 45,
+        CSRRW = 46,
+        CSRRS = 47,
+        CSRRC = 48,
+        CSRRWI = 49,
+        CSRRSI = 50,
+        CSRRCI = 51,
+        MAX_OPCODE
+    };
 };
 
 struct tgf_b: public arch_if {
@@ -233,6 +257,7 @@ protected:
         uint32_t X30 = 0; 
         uint32_t X31 = 0; 
         uint32_t PC = 0; 
+        uint8_t PRIV = 0;
         uint32_t NEXT_PC = 0;
         uint32_t trap_state = 0, pending_trap = 0, machine_state = 0, last_branch = 0;
         uint64_t icount = 0;

incl/iss/arch/tgf_c.h

@@ -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
@@ -30,7 +30,6 @@
  *
  *******************************************************************************/
 
-
 #ifndef _TGF_C_H_
 #define _TGF_C_H_
 
@@ -48,13 +47,13 @@ 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*, 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", "PRIV", "NUM_REGS"}};
  
-  	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"}};
+    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", "PRIV", "NUM_REGS"}};
 
-    enum constants {XLEN=32, PCLEN=32, MUL_LEN=64, MISA_VAL=0b1000000000000000001000100000100, PGSIZE=0x1000, PGMASK=0xfff};
+    enum constants {XLEN=32, PCLEN=32, MISA_VAL=0b1000000000000000001000100000100, PGSIZE=0x1000, PGMASK=0xfff, CSR_SIZE=4096, fence=0, fencei=1, fencevmal=2, fencevmau=3, MUL_LEN=64};
 
     constexpr static unsigned FP_REGS_SIZE = 0;
 
@@ -92,45 +91,14 @@ template <> struct traits<tgf_c> {
         X30,
         X31,
         PC,
+        PRIV,
         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
+        ICOUNT
     };
 
     using reg_t = uint32_t;
@@ -143,17 +111,109 @@ template <> struct traits<tgf_c> {
 
     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_bit_widths{
+        {32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,2,32,32,32,32,32,64}};
 
     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}};
+        {0,4,8,12,16,20,24,28,32,36,40,44,48,52,56,60,64,68,72,76,80,84,88,92,96,100,104,108,112,116,120,124,128,132,133,137,141,145,149,153}};
 
     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,
+        FENCE_I = 38,
+        ECALL = 39,
+        EBREAK = 40,
+        URET = 41,
+        SRET = 42,
+        MRET = 43,
+        WFI = 44,
+        SFENCE_VMA = 45,
+        CSRRW = 46,
+        CSRRS = 47,
+        CSRRC = 48,
+        CSRRWI = 49,
+        CSRRSI = 50,
+        CSRRCI = 51,
+        MUL = 52,
+        MULH = 53,
+        MULHSU = 54,
+        MULHU = 55,
+        DIV = 56,
+        DIVU = 57,
+        REM = 58,
+        REMU = 59,
+        CADDI4SPN = 60,
+        CLW = 61,
+        CSW = 62,
+        CADDI = 63,
+        CNOP = 64,
+        CJAL = 65,
+        CLI = 66,
+        CLUI = 67,
+        CADDI16SP = 68,
+        CSRLI = 69,
+        CSRAI = 70,
+        CANDI = 71,
+        CSUB = 72,
+        CXOR = 73,
+        COR = 74,
+        CAND = 75,
+        CJ = 76,
+        CBEQZ = 77,
+        CBNEZ = 78,
+        CSLLI = 79,
+        CLWSP = 80,
+        CMV = 81,
+        CJR = 82,
+        CADD = 83,
+        CJALR = 84,
+        CEBREAK = 85,
+        CSWSP = 86,
+        DII = 87,
+        MAX_OPCODE
+    };
 };
 
 struct tgf_c: public arch_if {
@@ -233,6 +293,7 @@ protected:
         uint32_t X30 = 0; 
         uint32_t X31 = 0; 
         uint32_t PC = 0; 
+        uint8_t PRIV = 0;
         uint32_t NEXT_PC = 0;
         uint32_t trap_state = 0, pending_trap = 0, machine_state = 0, last_branch = 0;
         uint64_t icount = 0;

src/iss/tgf_b.cpp

@@ -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
@@ -39,9 +39,9 @@
 
 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 char*, 35>    iss::arch::traits<iss::arch::tgf_b>::reg_names;
+constexpr std::array<const char*, 35>    iss::arch::traits<iss::arch::tgf_b>::reg_aliases;
+constexpr std::array<const uint32_t, 40> 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;
 
 tgf_b::tgf_b() {

src/iss/tgf_c.cpp

@@ -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
@@ -39,9 +39,9 @@
 
 using namespace iss::arch;
 
-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 char*, 35>    iss::arch::traits<iss::arch::tgf_c>::reg_names;
+constexpr std::array<const char*, 35>    iss::arch::traits<iss::arch::tgf_c>::reg_aliases;
+constexpr std::array<const uint32_t, 40> 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;
 
 tgf_c::tgf_c() {

src/main.cpp

@@ -83,7 +83,7 @@ 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")
+        ("backend", po::value<std::string>()->default_value("interp"), "the memory input file")
         ("isa", po::value<std::string>()->default_value("tgf_c"), "isa to use for simulation");
     // clang-format on
     auto parsed = po::command_line_parser(argc, argv).options(desc).allow_unregistered().run();