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DBT-RISE-TGC
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allows functions in interp and updates generated

This commit is contained in:
Eyck-Alexander Jentzsch 2023-09-05 10:08:00 +02:00
parent d5763d2f36
commit e21f8dc379
5 changed files with 2452 additions and 2402 deletions
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34
TGC_C_instr.yaml
View File

@ -15,59 +15,51 @@ RV32I:
- JAL:
encoding: 0b00000000000000000000000001101111
mask: 0b00000000000000000000000001111111
attributes: [[name:no_cont]]
size: 32
branch: true
delay: 1
- JALR:
encoding: 0b00000000000000000000000001100111
mask: 0b00000000000000000111000001111111
attributes: [[name:no_cont]]
size: 32
branch: true
delay: 1
- BEQ:
encoding: 0b00000000000000000000000001100011
mask: 0b00000000000000000111000001111111
attributes: [[name:no_cont], [name:cond]]
size: 32
branch: true
delay: [1,1]
delay: 1
- BNE:
encoding: 0b00000000000000000001000001100011
mask: 0b00000000000000000111000001111111
attributes: [[name:no_cont], [name:cond]]
size: 32
branch: true
delay: [1,1]
delay: 1
- BLT:
encoding: 0b00000000000000000100000001100011
mask: 0b00000000000000000111000001111111
attributes: [[name:no_cont], [name:cond]]
size: 32
branch: true
delay: [1,1]
delay: 1
- BGE:
encoding: 0b00000000000000000101000001100011
mask: 0b00000000000000000111000001111111
attributes: [[name:no_cont], [name:cond]]
size: 32
branch: true
delay: [1,1]
delay: 1
- BLTU:
encoding: 0b00000000000000000110000001100011
mask: 0b00000000000000000111000001111111
attributes: [[name:no_cont], [name:cond]]
size: 32
branch: true
delay: [1,1]
delay: 1
- BGEU:
encoding: 0b00000000000000000111000001100011
mask: 0b00000000000000000111000001111111
attributes: [[name:no_cont], [name:cond]]
size: 32
branch: true
delay: [1,1]
delay: 1
- LB:
encoding: 0b00000000000000000000000000000011
mask: 0b00000000000000000111000001111111
@ -239,14 +231,12 @@ RV32I:
- ECALL:
encoding: 0b00000000000000000000000001110011
mask: 0b11111111111111111111111111111111
attributes: [[name:no_cont]]
size: 32
branch: false
delay: 1
- EBREAK:
encoding: 0b00000000000100000000000001110011
mask: 0b11111111111111111111111111111111
attributes: [[name:no_cont]]
size: 32
branch: false
delay: 1
@ -391,7 +381,6 @@ RV32IC:
- CJAL:
encoding: 0b0010000000000001
mask: 0b1110000000000011
attributes: [[name:no_cont]]
size: 16
branch: true
delay: 1
@ -458,24 +447,21 @@ RV32IC:
- CJ:
encoding: 0b1010000000000001
mask: 0b1110000000000011
attributes: [[name:no_cont]]
size: 16
branch: true
delay: 1
- CBEQZ:
encoding: 0b1100000000000001
mask: 0b1110000000000011
attributes: [[name:no_cont], [name:cond]]
size: 16
branch: true
delay: [1,1]
delay: 1
- CBNEZ:
encoding: 0b1110000000000001
mask: 0b1110000000000011
attributes: [[name:no_cont], [name:cond]]
size: 16
branch: true
delay: [1,1]
delay: 1
- CSLLI:
encoding: 0b0000000000000010
mask: 0b1111000000000011
@ -497,7 +483,6 @@ RV32IC:
- CJR:
encoding: 0b1000000000000010
mask: 0b1111000001111111
attributes: [[name:no_cont]]
size: 16
branch: true
delay: 1
@ -510,14 +495,12 @@ RV32IC:
- CJALR:
encoding: 0b1001000000000010
mask: 0b1111000001111111
attributes: [[name:no_cont]]
size: 16
branch: true
delay: 1
- CEBREAK:
encoding: 0b1001000000000010
mask: 0b1111111111111111
attributes: [[name:no_cont]]
size: 16
branch: false
delay: 1
@ -530,7 +513,6 @@ RV32IC:
- DII:
encoding: 0b0000000000000000
mask: 0b1111111111111111
attributes: [[name:no_cont]]
size: 16
branch: false
delay: 1

30
gen_input/templates/interp/CORENAME.cpp.gtl
View File

@ -43,6 +43,7 @@ def nativeTypeSize(int size){
#include <sstream>
#include <boost/coroutine2/all.hpp>
#include <functional>
#include <exception>
#ifndef FMT_HEADER_ONLY
#define FMT_HEADER_ONLY
@ -59,6 +60,10 @@ using namespace iss::arch;
using namespace iss::debugger;
using namespace std::placeholders;
struct memory_access_exception : public std::exception{
memory_access_exception(){}
};
template <typename ARCH> class vm_impl : public iss::interp::vm_base<ARCH> {
public:
using traits = arch::traits<ARCH>;
@ -91,30 +96,9 @@ protected:
inline const char *name(size_t index){return index<traits::reg_aliases.size()?traits::reg_aliases[index]:"illegal";}
typename arch::traits<ARCH>::opcode_e decode_inst_id(code_word_t instr);
virt_addr_t execute_inst(finish_cond_e cond, virt_addr_t start, uint64_t icount_limit) override;
// some compile time constants
// enum { MASK16 = 0b1111110001100011, MASK32 = 0b11111111111100000111000001111111 };
enum { MASK16 = 0b1111111111111111, MASK32 = 0b11111111111100000111000001111111 };
enum { EXTR_MASK16 = MASK16 >> 2, EXTR_MASK32 = MASK32 >> 2 };
enum {
LUT_SIZE = 1 << util::bit_count(static_cast<uint32_t>(EXTR_MASK32)),
LUT_SIZE_C = 1 << util::bit_count(static_cast<uint32_t>(EXTR_MASK16))
};
std::array<compile_func, LUT_SIZE> lut;
std::array<compile_func, LUT_SIZE_C> lut_00, lut_01, lut_10;
std::array<compile_func, LUT_SIZE> lut_11;
struct instruction_pattern {
uint32_t value;
uint32_t mask;
typename arch::traits<ARCH>::opcode_e id;
};
std::array<std::vector<instruction_pattern>, 4> qlut;
inline void raise(uint16_t trap_id, uint16_t cause){
auto trap_val = 0x80ULL << 24 | (cause << 16) | trap_id;
@ -314,6 +298,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
// pre execution stuff
this->core.reg.last_branch = 0;
if(this->sync_exec && PRE_SYNC) this->do_sync(PRE_SYNC, static_cast<unsigned>(inst_id));
try{
switch(inst_id){<%instructions.eachWithIndex{instr, idx -> %>
case arch::traits<ARCH>::opcode_e::${instr.name}: {
<%instr.fields.eachLine{%>${it}
@ -329,13 +314,14 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
*NEXT_PC = *PC + ${instr.length/8};
// execute instruction<%instr.behavior.eachLine{%>
${it}<%}%>
TRAP_${instr.name}:break;
break;
}// @suppress("No break at end of case")<%}%>
default: {
*NEXT_PC = *PC + ((instr & 3) == 3 ? 4 : 2);
raise(0, 2);
}
}
}catch(memory_access_exception& e){}
// post execution stuff
process_spawn_blocks();
if(this->sync_exec && POST_SYNC) this->do_sync(POST_SYNC, static_cast<unsigned>(inst_id));

5
gen_input/templates/tcc/CORENAME.cpp.gtl
View File

@ -167,8 +167,9 @@ private:
auto cur_pc_val = tu.constant(pc.val, traits::reg_bit_widths[traits::PC]);
pc=pc+ ${instr.length/8};
gen_set_pc(tu, pc, traits::NEXT_PC);
tu.open_scope();<%instr.behavior.eachLine{%>
${it}<%}%>
tu.open_scope();
<%instr.behavior.eachLine{%>${it}
<%}%>
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,${idx});
gen_trap_check(tu);

256
src/vm/interp/vm_tgc5c.cpp
View File

@ -39,6 +39,7 @@
#include <sstream>
#include <boost/coroutine2/all.hpp>
#include <functional>
#include <exception>
#ifndef FMT_HEADER_ONLY
#define FMT_HEADER_ONLY
@ -55,6 +56,10 @@ using namespace iss::arch;
using namespace iss::debugger;
using namespace std::placeholders;
struct memory_access_exception : public std::exception{
memory_access_exception(){}
};
template <typename ARCH> class vm_impl : public iss::interp::vm_base<ARCH> {
public:
using traits = arch::traits<ARCH>;
@ -87,30 +92,9 @@ protected:
inline const char *name(size_t index){return index<traits::reg_aliases.size()?traits::reg_aliases[index]:"illegal";}
typename arch::traits<ARCH>::opcode_e decode_inst_id(code_word_t instr);
virt_addr_t execute_inst(finish_cond_e cond, virt_addr_t start, uint64_t icount_limit) override;
// some compile time constants
// enum { MASK16 = 0b1111110001100011, MASK32 = 0b11111111111100000111000001111111 };
enum { MASK16 = 0b1111111111111111, MASK32 = 0b11111111111100000111000001111111 };
enum { EXTR_MASK16 = MASK16 >> 2, EXTR_MASK32 = MASK32 >> 2 };
enum {
LUT_SIZE = 1 << util::bit_count(static_cast<uint32_t>(EXTR_MASK32)),
LUT_SIZE_C = 1 << util::bit_count(static_cast<uint32_t>(EXTR_MASK16))
};
std::array<compile_func, LUT_SIZE> lut;
std::array<compile_func, LUT_SIZE_C> lut_00, lut_01, lut_10;
std::array<compile_func, LUT_SIZE> lut_11;
struct instruction_pattern {
uint32_t value;
uint32_t mask;
typename arch::traits<ARCH>::opcode_e id;
};
std::array<std::vector<instruction_pattern>, 4> qlut;
inline void raise(uint16_t trap_id, uint16_t cause){
auto trap_val = 0x80ULL << 24 | (cause << 16) | trap_id;
@ -394,6 +378,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
// pre execution stuff
this->core.reg.last_branch = 0;
if(this->sync_exec && PRE_SYNC) this->do_sync(PRE_SYNC, static_cast<unsigned>(inst_id));
try{
switch(inst_id){
case arch::traits<ARCH>::opcode_e::LUI: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -419,7 +404,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_LUI:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::AUIPC: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -445,7 +430,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_AUIPC:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::JAL: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -478,7 +463,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_JAL:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::JALR: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -513,7 +498,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_JALR:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::BEQ: {
uint16_t imm = ((bit_sub<7,1>(instr) << 11) | (bit_sub<8,4>(instr) << 1) | (bit_sub<25,6>(instr) << 5) | (bit_sub<31,1>(instr) << 12));
@ -546,7 +531,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_BEQ:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::BNE: {
uint16_t imm = ((bit_sub<7,1>(instr) << 11) | (bit_sub<8,4>(instr) << 1) | (bit_sub<25,6>(instr) << 5) | (bit_sub<31,1>(instr) << 12));
@ -579,7 +564,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_BNE:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::BLT: {
uint16_t imm = ((bit_sub<7,1>(instr) << 11) | (bit_sub<8,4>(instr) << 1) | (bit_sub<25,6>(instr) << 5) | (bit_sub<31,1>(instr) << 12));
@ -612,7 +597,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_BLT:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::BGE: {
uint16_t imm = ((bit_sub<7,1>(instr) << 11) | (bit_sub<8,4>(instr) << 1) | (bit_sub<25,6>(instr) << 5) | (bit_sub<31,1>(instr) << 12));
@ -645,7 +630,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_BGE:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::BLTU: {
uint16_t imm = ((bit_sub<7,1>(instr) << 11) | (bit_sub<8,4>(instr) << 1) | (bit_sub<25,6>(instr) << 5) | (bit_sub<31,1>(instr) << 12));
@ -678,7 +663,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_BLTU:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::BGEU: {
uint16_t imm = ((bit_sub<7,1>(instr) << 11) | (bit_sub<8,4>(instr) << 1) | (bit_sub<25,6>(instr) << 5) | (bit_sub<31,1>(instr) << 12));
@ -711,7 +696,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_BGEU:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::LB: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -735,14 +720,14 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
else {
uint32_t load_address = (uint32_t)(*(X+rs1) + (int16_t)sext<12>(imm));
int8_t read_res = super::template read_mem<int8_t>(traits::MEM, load_address);
if(this->core.reg.trap_state>=0x80000000UL) goto TRAP_LB;
if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception();
int8_t res = (int8_t)read_res;
if(rd != 0) {
*(X+rd) = (uint32_t)res;
}
}
}
TRAP_LB:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::LH: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -766,14 +751,14 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
else {
uint32_t load_address = (uint32_t)(*(X+rs1) + (int16_t)sext<12>(imm));
int16_t read_res = super::template read_mem<int16_t>(traits::MEM, load_address);
if(this->core.reg.trap_state>=0x80000000UL) goto TRAP_LH;
if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception();
int16_t res = (int16_t)read_res;
if(rd != 0) {
*(X+rd) = (uint32_t)res;
}
}
}
TRAP_LH:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::LW: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -797,14 +782,14 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
else {
uint32_t load_address = (uint32_t)(*(X+rs1) + (int16_t)sext<12>(imm));
int32_t read_res = super::template read_mem<int32_t>(traits::MEM, load_address);
if(this->core.reg.trap_state>=0x80000000UL) goto TRAP_LW;
if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception();
int32_t res = (int32_t)read_res;
if(rd != 0) {
*(X+rd) = (uint32_t)res;
}
}
}
TRAP_LW:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::LBU: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -828,14 +813,14 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
else {
uint32_t load_address = (uint32_t)(*(X+rs1) + (int16_t)sext<12>(imm));
uint8_t read_res = super::template read_mem<uint8_t>(traits::MEM, load_address);
if(this->core.reg.trap_state>=0x80000000UL) goto TRAP_LBU;
if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception();
uint8_t res = read_res;
if(rd != 0) {
*(X+rd) = (uint32_t)res;
}
}
}
TRAP_LBU:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::LHU: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -859,14 +844,14 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
else {
uint32_t load_address = (uint32_t)(*(X+rs1) + (int16_t)sext<12>(imm));
uint16_t read_res = super::template read_mem<uint16_t>(traits::MEM, load_address);
if(this->core.reg.trap_state>=0x80000000UL) goto TRAP_LHU;
if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception();
uint16_t res = read_res;
if(rd != 0) {
*(X+rd) = (uint32_t)res;
}
}
}
TRAP_LHU:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::SB: {
uint16_t imm = ((bit_sub<7,5>(instr)) | (bit_sub<25,7>(instr) << 5));
@ -890,10 +875,10 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
else {
uint32_t store_address = (uint32_t)(*(X+rs1) + (int16_t)sext<12>(imm));
super::template write_mem<uint8_t>(traits::MEM, store_address, (uint8_t)*(X+rs2));
if(this->core.reg.trap_state>=0x80000000UL) goto TRAP_SB;
if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception();
}
}
TRAP_SB:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::SH: {
uint16_t imm = ((bit_sub<7,5>(instr)) | (bit_sub<25,7>(instr) << 5));
@ -917,10 +902,10 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
else {
uint32_t store_address = (uint32_t)(*(X+rs1) + (int16_t)sext<12>(imm));
super::template write_mem<uint16_t>(traits::MEM, store_address, (uint16_t)*(X+rs2));
if(this->core.reg.trap_state>=0x80000000UL) goto TRAP_SH;
if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception();
}
}
TRAP_SH:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::SW: {
uint16_t imm = ((bit_sub<7,5>(instr)) | (bit_sub<25,7>(instr) << 5));
@ -944,10 +929,10 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
else {
uint32_t store_address = (uint32_t)(*(X+rs1) + (int16_t)sext<12>(imm));
super::template write_mem<uint32_t>(traits::MEM, store_address, (uint32_t)*(X+rs2));
if(this->core.reg.trap_state>=0x80000000UL) goto TRAP_SW;
if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception();
}
}
TRAP_SW:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::ADDI: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -974,7 +959,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_ADDI:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::SLTI: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1001,7 +986,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_SLTI:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::SLTIU: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1028,7 +1013,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_SLTIU:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::XORI: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1055,7 +1040,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_XORI:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::ORI: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1082,7 +1067,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_ORI:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::ANDI: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1109,7 +1094,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_ANDI:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::SLLI: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1136,7 +1121,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_SLLI:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::SRLI: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1163,7 +1148,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_SRLI:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::SRAI: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1190,7 +1175,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_SRAI:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::ADD: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1217,7 +1202,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_ADD:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::SUB: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1244,7 +1229,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_SUB:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::SLL: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1271,7 +1256,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_SLL:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::SLT: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1298,7 +1283,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_SLT:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::SLTU: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1325,7 +1310,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_SLTU:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::XOR: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1352,7 +1337,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_XOR:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::SRL: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1379,7 +1364,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_SRL:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::SRA: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1406,7 +1391,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_SRA:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::OR: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1433,7 +1418,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_OR:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::AND: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1460,7 +1445,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_AND:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::FENCE: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1480,9 +1465,9 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
// execute instruction
{
super::template write_mem<uint32_t>(traits::FENCE, traits::fence, (uint8_t)pred << 4 | succ);
if(this->core.reg.trap_state>=0x80000000UL) goto TRAP_FENCE;
if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception();
}
TRAP_FENCE:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::ECALL: {
if(this->disass_enabled){
@ -1495,7 +1480,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
{
raise(0, 11);
}
TRAP_ECALL:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::EBREAK: {
if(this->disass_enabled){
@ -1508,7 +1493,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
{
raise(0, 3);
}
TRAP_EBREAK:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::MRET: {
if(this->disass_enabled){
@ -1521,7 +1506,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
{
leave(3);
}
TRAP_MRET:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::WFI: {
if(this->disass_enabled){
@ -1534,7 +1519,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
{
wait(1);
}
TRAP_WFI:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CSRRW: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1559,19 +1544,19 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
uint32_t xrs1 = *(X+rs1);
if(rd != 0) {
uint32_t read_res = super::template read_mem<uint32_t>(traits::CSR, csr);
if(this->core.reg.trap_state>=0x80000000UL) goto TRAP_CSRRW;
if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception();
uint32_t xrd = read_res;
super::template write_mem<uint32_t>(traits::CSR, csr, xrs1);
if(this->core.reg.trap_state>=0x80000000UL) goto TRAP_CSRRW;
if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception();
*(X+rd) = xrd;
}
else {
super::template write_mem<uint32_t>(traits::CSR, csr, xrs1);
if(this->core.reg.trap_state>=0x80000000UL) goto TRAP_CSRRW;
if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception();
}
}
}
TRAP_CSRRW:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CSRRS: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1594,19 +1579,19 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
else {
uint32_t read_res = super::template read_mem<uint32_t>(traits::CSR, csr);
if(this->core.reg.trap_state>=0x80000000UL) goto TRAP_CSRRS;
if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception();
uint32_t xrd = read_res;
uint32_t xrs1 = *(X+rs1);
if(rs1 != 0) {
super::template write_mem<uint32_t>(traits::CSR, csr, xrd | xrs1);
if(this->core.reg.trap_state>=0x80000000UL) goto TRAP_CSRRS;
if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception();
}
if(rd != 0) {
*(X+rd) = xrd;
}
}
}
TRAP_CSRRS:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CSRRC: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1629,19 +1614,19 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
else {
uint32_t read_res = super::template read_mem<uint32_t>(traits::CSR, csr);
if(this->core.reg.trap_state>=0x80000000UL) goto TRAP_CSRRC;
if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception();
uint32_t xrd = read_res;
uint32_t xrs1 = *(X+rs1);
if(rs1 != 0) {
super::template write_mem<uint32_t>(traits::CSR, csr, xrd & ~ xrs1);
if(this->core.reg.trap_state>=0x80000000UL) goto TRAP_CSRRC;
if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception();
}
if(rd != 0) {
*(X+rd) = xrd;
}
}
}
TRAP_CSRRC:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CSRRWI: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1664,16 +1649,16 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
else {
uint32_t read_res = super::template read_mem<uint32_t>(traits::CSR, csr);
if(this->core.reg.trap_state>=0x80000000UL) goto TRAP_CSRRWI;
if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception();
uint32_t xrd = read_res;
super::template write_mem<uint32_t>(traits::CSR, csr, (uint32_t)zimm);
if(this->core.reg.trap_state>=0x80000000UL) goto TRAP_CSRRWI;
if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception();
if(rd != 0) {
*(X+rd) = xrd;
}
}
}
TRAP_CSRRWI:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CSRRSI: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1696,18 +1681,18 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
else {
uint32_t read_res = super::template read_mem<uint32_t>(traits::CSR, csr);
if(this->core.reg.trap_state>=0x80000000UL) goto TRAP_CSRRSI;
if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception();
uint32_t xrd = read_res;
if(zimm != 0) {
super::template write_mem<uint32_t>(traits::CSR, csr, xrd | (uint32_t)zimm);
if(this->core.reg.trap_state>=0x80000000UL) goto TRAP_CSRRSI;
if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception();
}
if(rd != 0) {
*(X+rd) = xrd;
}
}
}
TRAP_CSRRSI:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CSRRCI: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1730,18 +1715,18 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
else {
uint32_t read_res = super::template read_mem<uint32_t>(traits::CSR, csr);
if(this->core.reg.trap_state>=0x80000000UL) goto TRAP_CSRRCI;
if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception();
uint32_t xrd = read_res;
if(zimm != 0) {
super::template write_mem<uint32_t>(traits::CSR, csr, xrd & ~ ((uint32_t)zimm));
if(this->core.reg.trap_state>=0x80000000UL) goto TRAP_CSRRCI;
if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception();
}
if(rd != 0) {
*(X+rd) = xrd;
}
}
}
TRAP_CSRRCI:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::FENCE_I: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1759,9 +1744,9 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
// execute instruction
{
super::template write_mem<uint32_t>(traits::FENCE, traits::fencei, imm);
if(this->core.reg.trap_state>=0x80000000UL) goto TRAP_FENCE_I;
if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception();
}
TRAP_FENCE_I:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::MUL: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1789,7 +1774,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_MUL:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::MULH: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1817,7 +1802,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_MULH:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::MULHSU: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1845,7 +1830,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_MULHSU:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::MULHU: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1873,7 +1858,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_MULHU:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::DIV: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1913,7 +1898,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_DIV:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::DIVU: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1947,7 +1932,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_DIVU:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::REM: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -1989,7 +1974,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_REM:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::REMU: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -2023,7 +2008,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_REMU:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CADDI4SPN: {
uint8_t rd = ((bit_sub<2,3>(instr)));
@ -2047,7 +2032,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
raise(0, 2);
}
}
TRAP_CADDI4SPN:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CLW: {
uint8_t rd = ((bit_sub<2,3>(instr)));
@ -2067,10 +2052,10 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
{
uint32_t offs = (uint32_t)(*(X+rs1 + 8) + uimm);
int32_t read_res = super::template read_mem<int32_t>(traits::MEM, offs);
if(this->core.reg.trap_state>=0x80000000UL) goto TRAP_CLW;
if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception();
*(X+rd + 8) = (uint32_t)(int32_t)read_res;
}
TRAP_CLW:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CSW: {
uint8_t rs2 = ((bit_sub<2,3>(instr)));
@ -2090,9 +2075,9 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
{
uint32_t offs = (uint32_t)(*(X+rs1 + 8) + uimm);
super::template write_mem<uint32_t>(traits::MEM, offs, (uint32_t)*(X+rs2 + 8));
if(this->core.reg.trap_state>=0x80000000UL) goto TRAP_CSW;
if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception();
}
TRAP_CSW:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CADDI: {
uint8_t imm = ((bit_sub<2,5>(instr)) | (bit_sub<12,1>(instr) << 5));
@ -2118,7 +2103,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_CADDI:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CNOP: {
uint8_t nzimm = ((bit_sub<2,5>(instr)) | (bit_sub<12,1>(instr) << 5));
@ -2131,7 +2116,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
// execute instruction
{
}
TRAP_CNOP:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CJAL: {
uint16_t imm = ((bit_sub<2,1>(instr) << 5) | (bit_sub<3,3>(instr) << 1) | (bit_sub<6,1>(instr) << 7) | (bit_sub<7,1>(instr) << 6) | (bit_sub<8,1>(instr) << 10) | (bit_sub<9,2>(instr) << 8) | (bit_sub<11,1>(instr) << 4) | (bit_sub<12,1>(instr) << 11));
@ -2151,7 +2136,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
*NEXT_PC = (uint32_t)(*PC + (int16_t)sext<12>(imm));
this->core.reg.last_branch = 1;
}
TRAP_CJAL:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CLI: {
uint8_t imm = ((bit_sub<2,5>(instr)) | (bit_sub<12,1>(instr) << 5));
@ -2177,7 +2162,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_CLI:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CLUI: {
uint32_t imm = ((bit_sub<2,5>(instr) << 12) | (bit_sub<12,1>(instr) << 17));
@ -2201,7 +2186,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
*(X+rd) = (uint32_t)((int32_t)sext<18>(imm));
}
}
TRAP_CLUI:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CADDI16SP: {
uint16_t nzimm = ((bit_sub<2,1>(instr) << 5) | (bit_sub<3,2>(instr) << 7) | (bit_sub<5,1>(instr) << 6) | (bit_sub<6,1>(instr) << 4) | (bit_sub<12,1>(instr) << 9));
@ -2224,7 +2209,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
raise(0, 2);
}
}
TRAP_CADDI16SP:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::__reserved_clui: {
uint8_t rd = ((bit_sub<7,5>(instr)));
@ -2238,7 +2223,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
{
raise(0, 2);
}
TRAP___reserved_clui:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CSRLI: {
uint8_t shamt = ((bit_sub<2,5>(instr)));
@ -2257,7 +2242,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
{
*(X+rs1 + 8) = *(X+rs1 + 8) >> shamt;
}
TRAP_CSRLI:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CSRAI: {
uint8_t shamt = ((bit_sub<2,5>(instr)));
@ -2283,7 +2268,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_CSRAI:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CANDI: {
uint8_t imm = ((bit_sub<2,5>(instr)) | (bit_sub<12,1>(instr) << 5));
@ -2302,7 +2287,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
{
*(X+rs1 + 8) = (uint32_t)(*(X+rs1 + 8) & (int8_t)sext<6>(imm));
}
TRAP_CANDI:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CSUB: {
uint8_t rs2 = ((bit_sub<2,3>(instr)));
@ -2321,7 +2306,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
{
*(X+rd + 8) = (uint32_t)(*(X+rd + 8) - *(X+rs2 + 8));
}
TRAP_CSUB:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CXOR: {
uint8_t rs2 = ((bit_sub<2,3>(instr)));
@ -2340,7 +2325,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
{
*(X+rd + 8) = *(X+rd + 8) ^ *(X+rs2 + 8);
}
TRAP_CXOR:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::COR: {
uint8_t rs2 = ((bit_sub<2,3>(instr)));
@ -2359,7 +2344,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
{
*(X+rd + 8) = *(X+rd + 8) | *(X+rs2 + 8);
}
TRAP_COR:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CAND: {
uint8_t rs2 = ((bit_sub<2,3>(instr)));
@ -2378,7 +2363,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
{
*(X+rd + 8) = *(X+rd + 8) & *(X+rs2 + 8);
}
TRAP_CAND:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CJ: {
uint16_t imm = ((bit_sub<2,1>(instr) << 5) | (bit_sub<3,3>(instr) << 1) | (bit_sub<6,1>(instr) << 7) | (bit_sub<7,1>(instr) << 6) | (bit_sub<8,1>(instr) << 10) | (bit_sub<9,2>(instr) << 8) | (bit_sub<11,1>(instr) << 4) | (bit_sub<12,1>(instr) << 11));
@ -2396,7 +2381,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
*NEXT_PC = (uint32_t)(*PC + (int16_t)sext<12>(imm));
this->core.reg.last_branch = 1;
}
TRAP_CJ:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CBEQZ: {
uint16_t imm = ((bit_sub<2,1>(instr) << 5) | (bit_sub<3,2>(instr) << 1) | (bit_sub<5,2>(instr) << 6) | (bit_sub<10,2>(instr) << 3) | (bit_sub<12,1>(instr) << 8));
@ -2418,7 +2403,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
this->core.reg.last_branch = 1;
}
}
TRAP_CBEQZ:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CBNEZ: {
uint16_t imm = ((bit_sub<2,1>(instr) << 5) | (bit_sub<3,2>(instr) << 1) | (bit_sub<5,2>(instr) << 6) | (bit_sub<10,2>(instr) << 3) | (bit_sub<12,1>(instr) << 8));
@ -2440,7 +2425,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
this->core.reg.last_branch = 1;
}
}
TRAP_CBNEZ:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CSLLI: {
uint8_t nzuimm = ((bit_sub<2,5>(instr)));
@ -2466,7 +2451,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_CSLLI:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CLWSP: {
uint8_t uimm = ((bit_sub<2,2>(instr) << 6) | (bit_sub<4,3>(instr) << 2) | (bit_sub<12,1>(instr) << 5));
@ -2489,11 +2474,11 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
else {
uint32_t offs = (uint32_t)(*(X+2) + uimm);
int32_t read_res = super::template read_mem<int32_t>(traits::MEM, offs);
if(this->core.reg.trap_state>=0x80000000UL) goto TRAP_CLWSP;
if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception();
*(X+rd) = (uint32_t)(int32_t)read_res;
}
}
TRAP_CLWSP:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CMV: {
uint8_t rs2 = ((bit_sub<2,5>(instr)));
@ -2519,7 +2504,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_CMV:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CJR: {
uint8_t rs1 = ((bit_sub<7,5>(instr)));
@ -2543,7 +2528,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
raise(0, 2);
}
}
TRAP_CJR:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::__reserved_cmv: {
if(this->disass_enabled){
@ -2556,7 +2541,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
{
raise(0, 2);
}
TRAP___reserved_cmv:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CADD: {
uint8_t rs2 = ((bit_sub<2,5>(instr)));
@ -2582,7 +2567,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
}
}
}
TRAP_CADD:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CJALR: {
uint8_t rs1 = ((bit_sub<7,5>(instr)));
@ -2608,7 +2593,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
this->core.reg.last_branch = 1;
}
}
TRAP_CJALR:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CEBREAK: {
if(this->disass_enabled){
@ -2621,7 +2606,7 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
{
raise(0, 3);
}
TRAP_CEBREAK:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::CSWSP: {
uint8_t rs2 = ((bit_sub<2,5>(instr)));
@ -2644,10 +2629,10 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
else {
uint32_t offs = (uint32_t)(*(X+2) + uimm);
super::template write_mem<uint32_t>(traits::MEM, offs, (uint32_t)*(X+rs2));
if(this->core.reg.trap_state>=0x80000000UL) goto TRAP_CSWSP;
if(this->core.reg.trap_state>=0x80000000UL) throw memory_access_exception();
}
}
TRAP_CSWSP:break;
break;
}// @suppress("No break at end of case")
case arch::traits<ARCH>::opcode_e::DII: {
if(this->disass_enabled){
@ -2660,13 +2645,14 @@ typename vm_base<ARCH>::virt_addr_t vm_impl<ARCH>::execute_inst(finish_cond_e co
{
raise(0, 2);
}
TRAP_DII:break;
break;
}// @suppress("No break at end of case")
default: {
*NEXT_PC = *PC + ((instr & 3) == 3 ? 4 : 2);
raise(0, 2);
}
}
}catch(memory_access_exception& e){}
// post execution stuff
process_spawn_blocks();
if(this->sync_exec && POST_SYNC) this->do_sync(POST_SYNC, static_cast<unsigned>(inst_id));

219
src/vm/tcc/vm_tgc5c.cpp
View File

@ -120,57 +120,7 @@ protected:
}
}
// 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(static_cast<uint32_t>(EXTR_MASK32)), LUT_SIZE_C = 1 << util::bit_count(static_cast<uint32_t>(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;
}
template<unsigned W, typename U, typename S = typename std::make_signed<U>::type>
inline S sext(U from) {
auto mask = (1ULL<<W) - 1;
@ -182,14 +132,23 @@ private:
/****************************************************************************
* start opcode definitions
****************************************************************************/
struct InstructionDesriptor {
struct instruction_descriptor {
size_t length;
uint32_t value;
uint32_t mask;
compile_func op;
};
struct decoding_tree_node{
std::vector<instruction_descriptor> instrs;
std::vector<decoding_tree_node*> children;
uint32_t submask = std::numeric_limits<uint32_t>::max();
uint32_t value;
decoding_tree_node(uint32_t value) : value(value){}
};
const std::array<InstructionDesriptor, 87> instr_descr = {{
decoding_tree_node* root {nullptr};
const std::array<instruction_descriptor, 87> instr_descr = {{
/* entries are: size, valid value, valid mask, function ptr */
/* instruction LUI, encoding '0b00000000000000000000000000110111' */
{32, 0b00000000000000000000000000110111, 0b00000000000000000000000001111111, &this_class::__lui},
@ -394,6 +353,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,0);
gen_trap_check(tu);
@ -426,6 +386,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,1);
gen_trap_check(tu);
@ -465,6 +426,7 @@ private:
}
}
auto returnValue = std::make_tuple(BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,2);
gen_trap_check(tu);
@ -506,6 +468,7 @@ private:
tu.close_scope();
}
auto returnValue = std::make_tuple(BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,3);
gen_trap_check(tu);
@ -545,6 +508,7 @@ private:
tu.close_scope();
}
auto returnValue = std::make_tuple(BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,4);
gen_trap_check(tu);
@ -584,6 +548,7 @@ private:
tu.close_scope();
}
auto returnValue = std::make_tuple(BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,5);
gen_trap_check(tu);
@ -623,6 +588,7 @@ private:
tu.close_scope();
}
auto returnValue = std::make_tuple(BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,6);
gen_trap_check(tu);
@ -662,6 +628,7 @@ private:
tu.close_scope();
}
auto returnValue = std::make_tuple(BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,7);
gen_trap_check(tu);
@ -701,6 +668,7 @@ private:
tu.close_scope();
}
auto returnValue = std::make_tuple(BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,8);
gen_trap_check(tu);
@ -740,6 +708,7 @@ private:
tu.close_scope();
}
auto returnValue = std::make_tuple(BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,9);
gen_trap_check(tu);
@ -775,6 +744,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,10);
gen_trap_check(tu);
@ -810,6 +780,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,11);
gen_trap_check(tu);
@ -845,6 +816,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,12);
gen_trap_check(tu);
@ -880,6 +852,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,13);
gen_trap_check(tu);
@ -915,6 +888,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,14);
gen_trap_check(tu);
@ -947,6 +921,7 @@ private:
tu.write_mem(traits::MEM, store_address, tu.ext(tu.load(rs2+ traits::X0, 0),8,true));
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,15);
gen_trap_check(tu);
@ -979,6 +954,7 @@ private:
tu.write_mem(traits::MEM, store_address, tu.ext(tu.load(rs2+ traits::X0, 0),16,true));
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,16);
gen_trap_check(tu);
@ -1011,6 +987,7 @@ private:
tu.write_mem(traits::MEM, store_address, tu.ext(tu.load(rs2+ traits::X0, 0),32,true));
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,17);
gen_trap_check(tu);
@ -1044,6 +1021,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,18);
gen_trap_check(tu);
@ -1077,6 +1055,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,19);
gen_trap_check(tu);
@ -1110,6 +1089,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,20);
gen_trap_check(tu);
@ -1143,6 +1123,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,21);
gen_trap_check(tu);
@ -1176,6 +1157,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,22);
gen_trap_check(tu);
@ -1209,6 +1191,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,23);
gen_trap_check(tu);
@ -1242,6 +1225,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,24);
gen_trap_check(tu);
@ -1275,6 +1259,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,25);
gen_trap_check(tu);
@ -1308,6 +1293,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,26);
gen_trap_check(tu);
@ -1341,6 +1327,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,27);
gen_trap_check(tu);
@ -1374,6 +1361,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,28);
gen_trap_check(tu);
@ -1407,6 +1395,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,29);
gen_trap_check(tu);
@ -1440,6 +1429,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,30);
gen_trap_check(tu);
@ -1473,6 +1463,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,31);
gen_trap_check(tu);
@ -1506,6 +1497,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,32);
gen_trap_check(tu);
@ -1539,6 +1531,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,33);
gen_trap_check(tu);
@ -1572,6 +1565,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,34);
gen_trap_check(tu);
@ -1605,6 +1599,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,35);
gen_trap_check(tu);
@ -1638,6 +1633,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,36);
gen_trap_check(tu);
@ -1666,6 +1662,7 @@ private:
tu.open_scope();
tu.write_mem(traits::FENCE, static_cast<uint32_t>(traits:: fence), tu.constant((uint8_t)pred<< 4|succ,8));
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,37);
gen_trap_check(tu);
@ -1686,6 +1683,7 @@ private:
tu.open_scope();
this->gen_raise_trap(tu, 0, 11);
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,38);
gen_trap_check(tu);
@ -1706,6 +1704,7 @@ private:
tu.open_scope();
this->gen_raise_trap(tu, 0, 3);
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,39);
gen_trap_check(tu);
@ -1726,6 +1725,7 @@ private:
tu.open_scope();
this->gen_leave_trap(tu, 3);
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,40);
gen_trap_check(tu);
@ -1746,6 +1746,7 @@ private:
tu.open_scope();
this->gen_wait(tu, 1);
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,41);
gen_trap_check(tu);
@ -1784,6 +1785,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,42);
gen_trap_check(tu);
@ -1822,6 +1824,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,43);
gen_trap_check(tu);
@ -1860,6 +1863,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,44);
gen_trap_check(tu);
@ -1895,6 +1899,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,45);
gen_trap_check(tu);
@ -1932,6 +1937,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,46);
gen_trap_check(tu);
@ -1969,6 +1975,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,47);
gen_trap_check(tu);
@ -1995,6 +2002,7 @@ private:
tu.open_scope();
tu.write_mem(traits::FENCE, static_cast<uint32_t>(traits:: fencei), tu.constant(imm,16));
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,48);
gen_trap_check(tu);
@ -2029,6 +2037,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,49);
gen_trap_check(tu);
@ -2063,6 +2072,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,50);
gen_trap_check(tu);
@ -2097,6 +2107,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,51);
gen_trap_check(tu);
@ -2131,6 +2142,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,52);
gen_trap_check(tu);
@ -2174,6 +2186,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,53);
gen_trap_check(tu);
@ -2213,6 +2226,7 @@ private:
tu.close_scope();
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,54);
gen_trap_check(tu);
@ -2259,6 +2273,7 @@ private:
tu.close_scope();
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,55);
gen_trap_check(tu);
@ -2298,6 +2313,7 @@ private:
tu.close_scope();
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,56);
gen_trap_check(tu);
@ -2328,6 +2344,7 @@ private:
this->gen_raise_trap(tu, 0, 2);
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,57);
gen_trap_check(tu);
@ -2355,6 +2372,7 @@ private:
auto offs = tu.assignment(tu.ext((tu.add(tu.load(rs1+ 8+ traits::X0, 0),tu.constant(uimm,8))),32,true),32);
tu.store(rd+ 8 + traits::X0,tu.ext(tu.ext(tu.read_mem(traits::MEM, offs, 32),32,false),32,true));
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,58);
gen_trap_check(tu);
@ -2382,6 +2400,7 @@ private:
auto offs = tu.assignment(tu.ext((tu.add(tu.load(rs1+ 8+ traits::X0, 0),tu.constant(uimm,8))),32,true),32);
tu.write_mem(traits::MEM, offs, tu.ext(tu.load(rs2+ 8+ traits::X0, 0),32,true));
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,59);
gen_trap_check(tu);
@ -2414,6 +2433,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,60);
gen_trap_check(tu);
@ -2434,6 +2454,7 @@ private:
gen_set_pc(tu, pc, traits::NEXT_PC);
tu.open_scope();
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,61);
gen_trap_check(tu);
@ -2461,6 +2482,7 @@ private:
tu.store(traits::NEXT_PC, PC_val_v);
tu.store(traits::LAST_BRANCH, tu.constant(2U, 2));
auto returnValue = std::make_tuple(BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,62);
gen_trap_check(tu);
@ -2493,6 +2515,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,63);
gen_trap_check(tu);
@ -2523,6 +2546,7 @@ private:
tu.store(rd + traits::X0,tu.constant((uint32_t)((int32_t)sext<18>(imm)),32));
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,64);
gen_trap_check(tu);
@ -2552,6 +2576,7 @@ private:
this->gen_raise_trap(tu, 0, 2);
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,65);
gen_trap_check(tu);
@ -2573,6 +2598,7 @@ private:
tu.open_scope();
this->gen_raise_trap(tu, 0, 2);
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,66);
gen_trap_check(tu);
@ -2598,6 +2624,7 @@ private:
tu.open_scope();
tu.store(rs1+ 8 + traits::X0,tu.lshr(tu.load(rs1+ 8+ traits::X0, 0),tu.constant(shamt,8)));
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,67);
gen_trap_check(tu);
@ -2628,6 +2655,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,68);
gen_trap_check(tu);
@ -2653,6 +2681,7 @@ private:
tu.open_scope();
tu.store(rs1+ 8 + traits::X0,tu.ext((tu.bitwise_and(tu.load(rs1+ 8+ traits::X0, 0),tu.constant((int8_t)sext<6>(imm),8))),32,true));
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,69);
gen_trap_check(tu);
@ -2678,6 +2707,7 @@ private:
tu.open_scope();
tu.store(rd+ 8 + traits::X0,tu.ext((tu.sub(tu.load(rd+ 8+ traits::X0, 0),tu.load(rs2+ 8+ traits::X0, 0))),32,true));
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,70);
gen_trap_check(tu);
@ -2703,6 +2733,7 @@ private:
tu.open_scope();
tu.store(rd+ 8 + traits::X0,tu.bitwise_xor(tu.load(rd+ 8+ traits::X0, 0),tu.load(rs2+ 8+ traits::X0, 0)));
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,71);
gen_trap_check(tu);
@ -2728,6 +2759,7 @@ private:
tu.open_scope();
tu.store(rd+ 8 + traits::X0,tu.bitwise_or(tu.load(rd+ 8+ traits::X0, 0),tu.load(rs2+ 8+ traits::X0, 0)));
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,72);
gen_trap_check(tu);
@ -2753,6 +2785,7 @@ private:
tu.open_scope();
tu.store(rd+ 8 + traits::X0,tu.bitwise_and(tu.load(rd+ 8+ traits::X0, 0),tu.load(rs2+ 8+ traits::X0, 0)));
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,73);
gen_trap_check(tu);
@ -2779,6 +2812,7 @@ private:
tu.store(traits::NEXT_PC, PC_val_v);
tu.store(traits::LAST_BRANCH, tu.constant(2U, 2));
auto returnValue = std::make_tuple(BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,74);
gen_trap_check(tu);
@ -2808,6 +2842,7 @@ private:
tu.store(traits::LAST_BRANCH, tu.constant(2U, 2));
tu.close_scope();
auto returnValue = std::make_tuple(BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,75);
gen_trap_check(tu);
@ -2837,6 +2872,7 @@ private:
tu.store(traits::LAST_BRANCH, tu.constant(2U, 2));
tu.close_scope();
auto returnValue = std::make_tuple(BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,76);
gen_trap_check(tu);
@ -2869,6 +2905,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,77);
gen_trap_check(tu);
@ -2900,6 +2937,7 @@ private:
tu.store(rd + traits::X0,tu.ext(tu.ext(tu.read_mem(traits::MEM, offs, 32),32,false),32,true));
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,78);
gen_trap_check(tu);
@ -2932,6 +2970,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,79);
gen_trap_check(tu);
@ -2963,6 +3002,7 @@ private:
this->gen_raise_trap(tu, 0, 2);
}
auto returnValue = std::make_tuple(BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,80);
gen_trap_check(tu);
@ -2983,6 +3023,7 @@ private:
tu.open_scope();
this->gen_raise_trap(tu, 0, 2);
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,81);
gen_trap_check(tu);
@ -3015,6 +3056,7 @@ private:
}
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,82);
gen_trap_check(tu);
@ -3048,6 +3090,7 @@ private:
tu.store(traits::LAST_BRANCH, tu.constant(2U, 2));
}
auto returnValue = std::make_tuple(BRANCH);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,83);
gen_trap_check(tu);
@ -3068,6 +3111,7 @@ private:
tu.open_scope();
this->gen_raise_trap(tu, 0, 3);
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,84);
gen_trap_check(tu);
@ -3099,6 +3143,7 @@ private:
tu.write_mem(traits::MEM, offs, tu.ext(tu.load(rs2+ traits::X0, 0),32,true));
}
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,85);
gen_trap_check(tu);
@ -3119,6 +3164,7 @@ private:
tu.open_scope();
this->gen_raise_trap(tu, 0, 2);
auto returnValue = std::make_tuple(CONT);
tu.close_scope();
vm_base<ARCH>::gen_sync(tu, POST_SYNC,86);
gen_trap_check(tu);
@ -3136,6 +3182,59 @@ private:
vm_impl::gen_trap_check(tu);
return BRANCH;
}
//decoding functionality
void populate_decoding_tree(decoding_tree_node* root){
//create submask
for(auto instr: root->instrs){
root->submask &= instr.mask;
}
//put each instr according to submask&encoding into children
for(auto instr: root->instrs){
bool foundMatch = false;
for(auto child: root->children){
//use value as identifying trait
if(child->value == (instr.value&root->submask)){
child->instrs.push_back(instr);
foundMatch = true;
}
}
if(!foundMatch){
decoding_tree_node* child = new decoding_tree_node(instr.value&root->submask);
child->instrs.push_back(instr);
root->children.push_back(child);
}
}
root->instrs.clear();
//call populate_decoding_tree for all children
if(root->children.size() >1)
for(auto child: root->children){
populate_decoding_tree(child);
}
else{
//sort instrs by value of the mask, this works bc we want to have the least restrictive one last
std::sort(root->children[0]->instrs.begin(), root->children[0]->instrs.end(), [](const instruction_descriptor& instr1, const instruction_descriptor& instr2) {
return instr1.mask > instr2.mask;
});
}
}
compile_func decode_instr(decoding_tree_node* node, code_word_t word){
if(!node->children.size()){
if(node->instrs.size() == 1) return node->instrs[0].op;
for(auto instr : node->instrs){
if((instr.mask&word) == instr.value) return instr.op;
}
}
else{
for(auto child : node->children){
if (child->value == (node->submask&word)){
return decode_instr(child, word);
}
}
}
return nullptr;
}
};
template <typename CODE_WORD> void debug_fn(CODE_WORD instr) {
@ -3148,14 +3247,11 @@ 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();
root = new decoding_tree_node(std::numeric_limits<uint32_t>::max());
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);
root->instrs.push_back(instr);
}
populate_decoding_tree(root);
}
template <typename ARCH>
@ -3171,7 +3267,7 @@ vm_impl<ARCH>::gen_single_inst_behavior(virt_addr_t &pc, unsigned int &inst_cnt,
// if ((pc.val & upper_bits) != ((pc.val + 2) & upper_bits)) { // we may cross a page boundary
// auto res = this->core.read(paddr, 2, data);
// if (res != iss::Ok) throw trap_access(TRAP_ID, pc.val);
// if ((instr & 0x3) == 0x3) { // this is a 32bit instruction
// if ((insn & 0x3) == 0x3) { // this is a 32bit instruction
// res = this->core.read(this->core.v2p(pc + 2), 2, data + 2);
// }
// } else {
@ -3181,8 +3277,7 @@ vm_impl<ARCH>::gen_single_inst_behavior(virt_addr_t &pc, unsigned int &inst_cnt,
if (instr == 0x0000006f || (instr&0xffff)==0xa001) throw simulation_stopped(0); // 'J 0' or 'C.J 0'
// curr pc on stack
++inst_cnt;
auto lut_val = extract_fields(instr);
auto f = qlut[instr & 0x3][lut_val];
auto f = decode_instr(root, instr);
if (f == nullptr) {
f = &this_class::illegal_intruction;
}
@ -3218,7 +3313,7 @@ std::unique_ptr<vm_if> create<arch::tgc5c>(arch::tgc5c *core, unsigned short por
if (port != 0) debugger::server<debugger::gdb_session>::run_server(ret, port);
return std::unique_ptr<vm_if>(ret);
}
} // namespace tcc
} // namesapce tcc
} // namespace iss
#include <iss/factory.h>