ZYM/RISC-V-Simulator
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naive passed

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This commit is contained in:
ZhuangYumin
2024-08-01 08:43:44 +00:00
parent 1ff419b22d
commit c7a7524884
2 changed files with 21 additions and 4 deletions
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18
include/registerfile.h
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@ -44,7 +44,11 @@ struct RegisterFile : public dark::Module<RegisterFile_Input, RegisterFile_Outpu
RegisterFile() {
// Constructor
}
uint8_t ReturnExitCodeImmediately() { return registers[10].peek() & 0xff; }
uint8_t ReturnExitCodeImmediately() {
std::cerr << "Register File: CSU is collecting exit code" << std::endl;
std::cerr << "Sent " << std::dec << (registers[10].peek() & 0xff) << std::endl;
return registers[10].peek() & 0xff;
}
void work() {
if (bool(reset)) {
for (auto &reg : registers) {
@ -58,11 +62,16 @@ struct RegisterFile : public dark::Module<RegisterFile_Input, RegisterFile_Outpu
}
return;
}
bool dependency_cleared = false;
if (bool(is_committing)) {
std::cerr << "register file found CSU is committing commit_ins_ROB_index=" << std::dec
<< static_cast<max_size_t>(commit_ins_ROB_index) << std::endl;
if (bool(has_resulting_register)) {
registers[static_cast<max_size_t>(commit_reg_index)] <= commit_reg_value;
if (register_deps[static_cast<max_size_t>(commit_reg_index)] == commit_ins_ROB_index) {
std::cerr << "The dependency is cleared" << std::endl;
register_nodep[static_cast<max_size_t>(commit_reg_index)] <= 1;
dependency_cleared = true;
}
}
}
@ -73,7 +82,7 @@ struct RegisterFile : public dark::Module<RegisterFile_Input, RegisterFile_Outpu
rs1_deps <= 0;
rs1_value <= 0;
rs1_nodep <= 1;
} else if ((!bool(is_committing)) || (commit_reg_index != decoded_rs1)) {
} else if ((!bool(is_committing)) || (commit_reg_index != decoded_rs1) || (!dependency_cleared)) {
rs1_deps <= register_deps[static_cast<max_size_t>(decoded_rs1)].peek();
rs1_value <= registers[static_cast<max_size_t>(decoded_rs1)].peek();
rs1_nodep <= register_nodep[static_cast<max_size_t>(decoded_rs1)].peek();
@ -91,7 +100,7 @@ struct RegisterFile : public dark::Module<RegisterFile_Input, RegisterFile_Outpu
rs2_deps <= 0;
rs2_value <= 0;
rs2_nodep <= 1;
} else if ((!bool(is_committing)) || (commit_reg_index != decoded_rs2)) {
} else if ((!bool(is_committing)) || (commit_reg_index != decoded_rs2) || (!dependency_cleared)) {
rs2_deps <= register_deps[static_cast<max_size_t>(decoded_rs2)].peek();
rs2_value <= registers[static_cast<max_size_t>(decoded_rs2)].peek();
rs2_nodep <= register_nodep[static_cast<max_size_t>(decoded_rs2)].peek();
@ -105,6 +114,9 @@ struct RegisterFile : public dark::Module<RegisterFile_Input, RegisterFile_Outpu
std::cerr << "rs2_nodep=" << rs2_nodep.peek() << std::endl;
}
if (bool(has_decoded_rd)) {
std::cerr << "RF: setting rd dependency" << std::endl;
std::cerr << "\tdecoded_rd=" << std::dec << static_cast<max_size_t>(decoded_rd) << std::endl;
std::cerr << "\tissue_ROB_index=" << std::dec << static_cast<max_size_t>(issue_ROB_index) << std::endl;
register_deps[static_cast<max_size_t>(decoded_rd)] <= static_cast<max_size_t>(issue_ROB_index);
register_nodep[static_cast<max_size_t>(decoded_rd)] <= 0;
}