mirror of https://gitee.com/openkylin/qemu.git
52 lines
939 B
C
52 lines
939 B
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
|
|
static inline int mystrlen(char *s) {
|
|
int i = 0;
|
|
while (s[i])
|
|
i++;
|
|
return i;
|
|
}
|
|
|
|
void pass(void) {
|
|
char s[] = "passed.\n";
|
|
write (1, s, sizeof (s) - 1);
|
|
exit (0);
|
|
}
|
|
|
|
void _fail(char *reason) {
|
|
char s[] = "\nfailed: ";
|
|
int len = mystrlen(reason);
|
|
write (1, s, sizeof (s) - 1);
|
|
write (1, reason, len);
|
|
write (1, "\n", 1);
|
|
// exit (1);
|
|
}
|
|
|
|
void *memset (void *s, int c, size_t n) {
|
|
char *p = s;
|
|
int i;
|
|
for (i = 0; i < n; i++)
|
|
p[i] = c;
|
|
return p;
|
|
}
|
|
|
|
void exit (int status) {
|
|
asm volatile ("moveq 1, $r9\n" /* NR_exit. */
|
|
"break 13\n");
|
|
while(1)
|
|
;
|
|
}
|
|
|
|
ssize_t write (int fd, const void *buf, size_t count) {
|
|
int r;
|
|
asm ("move.d %0, $r10\n"
|
|
"move.d %1, $r11\n"
|
|
"move.d %2, $r12\n"
|
|
"moveq 4, $r9\n" /* NR_write. */
|
|
"break 13\n" : : "r" (fd), "r" (buf), "r" (count) : "memory");
|
|
asm ("move.d $r10, %0\n" : "=r" (r));
|
|
return r;
|
|
}
|