DBT-RISE/DBT-RISE-TGC
12
0
Fork 0
Code Issues 1 Pull Requests 1 Projects Releases Wiki Activity

fixes use of icount vs. cycle

Browse Source
This commit is contained in:
Eyck Jentzsch
2024-08-17 19:36:40 +02:00
parent 9de0aed84d
commit 64329cf0f6
3 changed files with 15 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/iss/arch/riscv_hart_msu_vp.h
View File

@ -328,7 +328,7 @@ public:
void disass_output(uint64_t pc, const std::string instr) override {
CLOG(INFO, disass) << fmt::format("0x{:016x} {:40} [p:{};s:0x{:x};c:{}]", pc, instr, lvl[this->reg.PRIV], (reg_t)state.mstatus,
this->reg.icount + cycle_offset);
this->reg.cycle + cycle_offset);
};
iss::instrumentation_if* get_instrumentation_if() override { return &instr_if; }
@ -361,7 +361,7 @@ protected:
uint64_t get_pendig_traps() override { return arch.reg.trap_state; }
uint64_t get_total_cycles() override { return arch.reg.icount + arch.cycle_offset; }
uint64_t get_total_cycles() override { return arch.reg.cycle + arch.cycle_offset; }
void update_last_instr_cycles(unsigned cycles) override { arch.cycle_offset += cycles - 1; }
@ -895,7 +895,7 @@ template <typename BASE> iss::status riscv_hart_msu_vp<BASE>::write_reg(unsigned
}
template <typename BASE> iss::status riscv_hart_msu_vp<BASE>::read_cycle(unsigned addr, reg_t& val) {
auto cycle_val = this->reg.icount + cycle_offset;
auto cycle_val = this->reg.cycle + cycle_offset;
if(addr == mcycle) {
val = static_cast<reg_t>(cycle_val);
} else if(addr == mcycleh) {
@ -916,7 +916,7 @@ template <typename BASE> iss::status riscv_hart_msu_vp<BASE>::write_cycle(unsign
mcycle_csr = (static_cast<uint64_t>(val) << 32) + (mcycle_csr & 0xffffffff);
}
}
cycle_offset = mcycle_csr - this->reg.icount; // TODO: relying on wrap-around
cycle_offset = mcycle_csr - this->reg.cycle; // TODO: relying on wrap-around
return iss::Ok;
}
@ -944,7 +944,7 @@ template <typename BASE> iss::status riscv_hart_msu_vp<BASE>::write_instret(unsi
}
template <typename BASE> iss::status riscv_hart_msu_vp<BASE>::read_time(unsigned addr, reg_t& val) {
uint64_t time_val = this->reg.icount / (100000000 / 32768 - 1); //-> ~3052;
uint64_t time_val = this->reg.cycle / (100000000 / 32768 - 1); //-> ~3052;
if(addr == time) {
val = static_cast<reg_t>(time_val);
} else if(addr == timeh) {