sas2026/tinyriscv
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Feature added: Memdump v0.01 .

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This commit is contained in:
hovara
2023-10-17 20:51:01 +03:00
parent 91b9a0424b
commit 868851b5ad
1 changed files with 50 additions and 11 deletions
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61
src/main.c
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@@ -20,10 +20,23 @@ static inline void set_fg_color(const Color color){
printf("\x1b[%dm", color);
}
void help(const char* message){
if(strlen(message)) puts(message);
printf("Usage: tinyricv [OPTION] [VALUE] ...\n\n");
printf(" --help Display this information.\n");
printf(" --bin <file> Load <file> into memory.\n");
printf(" --mem_size <size> Set memory to have <size> bytes.\n");
printf(" --regdump Dump registers at execution halt.\n");
printf(" --memdump <addr> Dump 256B of memory from <addr>.\n");
exit(0);
}
void regdump(const tinyriscv_hart* hart){
printf("\n");
printf(" ABI Reg Hex │ ABI Reg Hex \n");
printf("────────────────────┼───────────────────\n");
printf(" ───────────────────┼───────────────────\n");
const char abi[][6] = {
"zero", "ra", "sp", "gp", "tp", "t0", "t1", "t2",
@@ -56,22 +69,42 @@ void regdump(const tinyriscv_hart* hart){
printf(" │\n\n");
}
void help(const char* message){
if(strlen(message)) puts(message);
void memdump(const tinyriscv_hart* hart, uint32_t addr){
addr -= tinyriscv_MEM_OFFSET;
if(addr + 256 > hart->mem_size) help("memdump: Address out of memory range.");
printf("Usage: tinyricv [OPTION] [VALUE] ...\n\n");
printf(" --help Display this information.\n");
printf(" --bin <file> Load <file> into memory.\n");
printf(" --mem_size <size> Set memory to have <size> bytes.\n");
printf(" --regdump Dump registers at execution halt.\n");
printf("\n");
printf(" Address Memory ASCII\n ");
for(unsigned int i = 0; i < 73; i++) printf("─");
printf("\n");
exit(0);
for(uint32_t end_addr = addr + 256; addr < end_addr; addr += 16){
set_fg_color(BRIGHT_YELLOW);
printf(" %.8x ", addr);
set_fg_color(RESET);
for(uint32_t i = addr; i < addr + 16; i++){
set_fg_color(hart->mem[i] ? BRIGHT_WHITE : BRIGHT_BLACK);
printf("%.2x ", hart->mem[i]);
}
for(uint32_t i = addr; i < addr + 16; i++){
const char c = hart->mem[i];
const unsigned int visible = c > 31 && c < 255 && c != 127;
set_fg_color(visible ? BRIGHT_WHITE : BRIGHT_BLACK);
printf("%c", visible ? c : '.');
}
printf("\n");
}
printf("\n");
}
int main(int argc, char** argv){
char file_path[256] = "";
size_t mem_size = 4096;
unsigned int do_regdump = 0;
uint32_t dump_addr = 0;
unsigned int do_regdump = 0, do_memdump = 0;
//command line arguments
if(argc < 2) help("Not enough arguments.");
@@ -84,9 +117,14 @@ int main(int argc, char** argv){
}
else if(!strcmp(argv[i], "--mem_size")){
assert("Invalid [mem_size] value." && argv[i + 1]);
mem_size = atoi(argv[i++ + 1]);
mem_size = strtol(argv[i++ + 1], NULL, 0);
}
else if(!strcmp(argv[i], "--regdump")) do_regdump = 1;
else if(!strcmp(argv[i], "--memdump")){
assert("Invalid [addr] value." && argv[i + 1]);
dump_addr = strtol(argv[i++ + 1], NULL, 0);
do_memdump = 1;
}
else{
printf("Invalid option: %s\n", argv[i]);
printf("Try 'tinyriscv --help' for more information.\n");
@@ -115,6 +153,7 @@ int main(int argc, char** argv){
while(hart.pc < file_size + tinyriscv_MEM_OFFSET) tinyriscv_step(&hart);
if(do_regdump) regdump(&hart);
if(do_memdump) memdump(&hart, dump_addr);
//cleanup
free(hart.mem);