mirror of
https://github.com/ringtailsoftware/uvm32.git
synced 2026-06-05 22:43:39 +00:00
77 lines
3 KiB
C
77 lines
3 KiB
C
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include "uvm32.h"
|
|
#include "../common/uvm32_common_custom.h"
|
|
|
|
uint8_t rom[] = {
|
|
0x23, 0x26, 0x11, 0x00, 0xef, 0x00, 0xc0, 0x00, 0xb7, 0x08, 0x00, 0x01,
|
|
0x73, 0x00, 0x00, 0x00, 0x37, 0xf5, 0xff, 0xff, 0xb7, 0x15, 0x00, 0x00,
|
|
0x37, 0xe6, 0xff, 0xff, 0x13, 0x07, 0xf0, 0x01, 0xb7, 0x47, 0x00, 0x00,
|
|
0xb7, 0x06, 0x00, 0x01, 0x13, 0x08, 0xd5, 0xcc, 0x93, 0x82, 0x35, 0x33,
|
|
0x13, 0x03, 0x76, 0xe6, 0x93, 0x83, 0x35, 0xb3, 0x13, 0x86, 0x16, 0x00,
|
|
0x63, 0xc8, 0x02, 0x09, 0x13, 0x0e, 0x03, 0x00, 0x63, 0xca, 0x63, 0x06,
|
|
0x93, 0x0e, 0x00, 0x00, 0x93, 0x05, 0x00, 0x00, 0x13, 0x0f, 0x00, 0x00,
|
|
0x93, 0x0f, 0x00, 0x00, 0x93, 0x06, 0x00, 0x02, 0x13, 0x85, 0x06, 0xfe,
|
|
0x63, 0x62, 0xa7, 0x04, 0x33, 0x85, 0xd5, 0x01, 0x63, 0xee, 0xa7, 0x02,
|
|
0x13, 0x05, 0x00, 0x00, 0x93, 0x08, 0x06, 0x00, 0x33, 0x8f, 0xef, 0x03,
|
|
0xb3, 0x8f, 0xd5, 0x41, 0x73, 0x00, 0x00, 0x00, 0x13, 0x5f, 0xbf, 0x40,
|
|
0xb3, 0x8f, 0xcf, 0x01, 0x33, 0x0f, 0x0f, 0x01, 0xb3, 0x85, 0xff, 0x03,
|
|
0x93, 0xd5, 0xc5, 0x00, 0x33, 0x05, 0xef, 0x03, 0x93, 0x5e, 0xc5, 0x00,
|
|
0x93, 0x86, 0x16, 0x00, 0x6f, 0xf0, 0xdf, 0xfb, 0x13, 0x85, 0x06, 0x00,
|
|
0x93, 0x08, 0x00, 0x00, 0x73, 0x00, 0x00, 0x00, 0x13, 0x0e, 0x1e, 0x09,
|
|
0xe3, 0xda, 0xc3, 0xf9, 0x13, 0x05, 0xa0, 0x00, 0x93, 0x08, 0x00, 0x00,
|
|
0x73, 0x00, 0x00, 0x00, 0x13, 0x08, 0x98, 0x19, 0xe3, 0xdc, 0x02, 0xf7,
|
|
0x37, 0x05, 0x00, 0x80, 0x13, 0x05, 0x05, 0x0e, 0x93, 0x08, 0x30, 0x00,
|
|
0x73, 0x00, 0x00, 0x00, 0x67, 0x80, 0x00, 0x00, 0x48, 0x65, 0x6c, 0x6c,
|
|
0x6f, 0x20, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x00
|
|
};
|
|
|
|
// Create an identifier for our host handler
|
|
// syscalls exposed to vm environement
|
|
typedef enum {
|
|
F_PUTC,
|
|
F_PRINTLN,
|
|
} f_code_t;
|
|
|
|
// Map exposed syscalls to syscalls
|
|
const uvm32_mapping_t env[] = {
|
|
{ .syscall = UVM32_SYSCALL_PRINTLN, .typ = UVM32_SYSCALL_TYP_BUF_TERMINATED_WR, .code = F_PRINTLN },
|
|
{ .syscall = UVM32_SYSCALL_PUTC, .typ = UVM32_SYSCALL_TYP_U32_WR, .code = F_PUTC },
|
|
};
|
|
|
|
int main(int argc, char *argv[]) {
|
|
uvm32_state_t vmst;
|
|
uvm32_evt_t evt;
|
|
bool isrunning = true;
|
|
|
|
uvm32_init(&vmst, env, sizeof(env) / sizeof(env[0]));
|
|
uvm32_load(&vmst, rom, sizeof(rom));
|
|
|
|
while(isrunning) {
|
|
uvm32_run(&vmst, &evt, 100); // num instructions before vm considered hung
|
|
|
|
switch(evt.typ) {
|
|
case UVM32_EVT_END:
|
|
isrunning = false;
|
|
break;
|
|
case UVM32_EVT_SYSCALL: // vm has paused to handle UVM32_SYSCALL
|
|
switch((f_code_t)evt.data.syscall.code) {
|
|
case F_PUTC:
|
|
printf("%c", evt.data.syscall.val.u32);
|
|
break;
|
|
case F_PRINTLN:
|
|
printf("%.*s\n", evt.data.syscall.val.buf.len, evt.data.syscall.val.buf.ptr);
|
|
break;
|
|
}
|
|
break;
|
|
case UVM32_EVT_ERR:
|
|
printf("UVM32_EVT_ERR '%s' (%d)\n", evt.data.err.errstr, (int)evt.data.err.errcode);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|