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Add commandline parsing to host. Add -e <size in bytes> option to configure extram.

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This commit is contained in:
Toby Jaffey 2025-12-11 15:44:17 +00:00
parent 93085f562c
commit 67e8fe13c0
3 changed files with 58 additions and 20 deletions
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72
hosts/host/host.c
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@ -6,6 +6,7 @@
#include <unistd.h>
#include <termios.h>
#include <signal.h>
#include <getopt.h>
#include "uvm32.h"
#include "../common/uvm32_common_custom.h"
@ -137,25 +138,53 @@ bool memdump(const char *filename, const uint8_t *buf, int len) {
return true;
}
void usage(const char *name) {
printf("%s [options] filename.bin\n", name);
printf("Options:\n");
printf(" -h show help\n");
printf(" -i <num instructions> max instrs before requiring a syscall\n");
printf(" -e <extram size> numbers of bytes for extram\n");
exit(1);
}
int main(int argc, char *argv[]) {
uvm32_state_t vmst;
uint32_t max_instrs_per_run = 500000;
clock_t start_time = clock() / (CLOCKS_PER_SEC / 1000);
argc--;
argv++;
if (argc < 1) {
printf("<romfile> [max_instrs_per_run]\n");
return 1;
}
if (argc > 1) {
max_instrs_per_run = strtoll(argv[1], NULL, 10);
}
char c;
const char *rom_filename = NULL;
uint32_t extram_len = 0;
uint32_t *extram_buf = NULL;
uvm32_evt_t evt;
bool isrunning = true;
uint32_t total_instrs = 0;
uint32_t num_syscalls = 0;
int romlen = 0;
uint8_t *rom = read_file(argv[0], &romlen);
// parse commandline args
while ((c = getopt(argc, argv, "hi:e:")) != -1) {
switch(c) {
case 'h':
usage(argv[0]);
break;
case 'i':
max_instrs_per_run = strtoll(optarg, NULL, 10);
if (max_instrs_per_run < 1) {
usage(argv[0]);
}
break;
case 'e':
extram_len = strtoll(optarg, NULL, 10);
break;
}
}
if (optind < argc) {
rom_filename = argv[optind];
} else {
usage(argv[0]);
}
uint8_t *rom = read_file(rom_filename, &romlen);
if (NULL == rom) {
printf("file read failed!\n");
return 1;
@ -168,10 +197,14 @@ int main(int argc, char *argv[]) {
return 1;
}
uvm32_evt_t evt;
bool isrunning = true;
uint32_t total_instrs = 0;
uint32_t num_syscalls = 0;
if (extram_len > 0) {
extram_buf = (uint32_t *)malloc(extram_len);
if (NULL == extram_buf) {
printf("Failed to allocate extram!\n");
return 1;
}
uvm32_extram(&vmst, extram_buf, extram_len);
}
// setup terminal for getch()
enableRawMode();
@ -254,6 +287,9 @@ int main(int argc, char *argv[]) {
printf("Executed total of %d instructions and %d syscalls\n", (int)total_instrs, (int)num_syscalls);
free(rom);
if (extram_buf != NULL) {
free(extram_buf);
}
// put terminal back to how it was
disableRawMode();