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Added 'trace' option

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This commit is contained in:
Valentin Haudiquet 2023-10-08 22:54:09 +02:00
parent e7b521c589
commit c3fa088a38
3 changed files with 18 additions and 2 deletions
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3
src/cpu/rv32cpu.c
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@ -676,8 +676,11 @@ void cpu_loop(rv32_cpu_t* cpu)
instruction_t instruction; instruction_t instruction;
cpu_decode(raw_instruction, &instruction); cpu_decode(raw_instruction, &instruction);
if(trace)
{
printf("0x%x: ", cpu->pc); printf("0x%x: ", cpu->pc);
cpu_print_instruction(&instruction); cpu_print_instruction(&instruction);
}
// Execute // Execute
cpu_execute(cpu, &instruction); cpu_execute(cpu, &instruction);

12
src/option.c
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@ -8,6 +8,7 @@
uint64_t memory_size = 512 * 1024 * 1024; uint64_t memory_size = 512 * 1024 * 1024;
char* file_path; char* file_path;
bool gdbstub = false; bool gdbstub = false;
bool trace = false;
static void print_usage(); static void print_usage();
static void print_help(); static void print_help();
@ -100,6 +101,11 @@ void parse_options(int argc, char** argv)
gdbstub = true; gdbstub = true;
break; break;
} }
case 't':
{
trace = true;
break;
}
default: default:
{ {
fprintf(stderr, "Error: Unknown short option -%c\n", argv[i][k]); fprintf(stderr, "Error: Unknown short option -%c\n", argv[i][k]);
@ -161,6 +167,11 @@ static int parse_long_option(char* str, char* argq)
gdbstub = true; gdbstub = true;
return 0; return 0;
} }
else if(strcmp(str, "trace") == 0)
{
trace = true;
return 0;
}
else else
{ {
fprintf(stderr, "Error: Unknown long option " OPTION_SEPARATOR OPTION_SEPARATOR "%s\n", str); fprintf(stderr, "Error: Unknown long option " OPTION_SEPARATOR OPTION_SEPARATOR "%s\n", str);
@ -181,6 +192,7 @@ static void print_help()
printf(" " OPTION_SEPARATOR "h, " OPTION_SEPARATOR "?, --help\t\tPrint this help message\n"); printf(" " OPTION_SEPARATOR "h, " OPTION_SEPARATOR "?, --help\t\tPrint this help message\n");
printf(" " OPTION_SEPARATOR "v, --version\t\t\tPrint version information\n"); printf(" " OPTION_SEPARATOR "v, --version\t\t\tPrint version information\n");
printf(" " OPTION_SEPARATOR "m, --memory\t\t\tSet the simulated memory size, in MiB (max 4096)\n"); printf(" " OPTION_SEPARATOR "m, --memory\t\t\tSet the simulated memory size, in MiB (max 4096)\n");
printf(" " OPTION_SEPARATOR "t, --trace\t\t\tTrace executed instructions in stdout\n");
printf(" " OPTION_SEPARATOR "s, --gdb-stub\t\tLaunch a gdb stub server (remote gdb debugging)\n"); printf(" " OPTION_SEPARATOR "s, --gdb-stub\t\tLaunch a gdb stub server (remote gdb debugging)\n");
} }

1
src/vriscv.h
View File

@ -15,6 +15,7 @@ extern char* CURRENT_NAME;
extern size_t memory_size; extern size_t memory_size;
extern char* file_path; extern char* file_path;
extern bool gdbstub; extern bool gdbstub;
extern bool trace;
void parse_options(int argc, char** argv); void parse_options(int argc, char** argv);
#endif #endif