Files
linux-kernel-module-cheat/kernel_module/user/m5ops.c
Ciro Santilli f8f21d7535 right registers
2018-06-10 22:10:36 +01:00

61 lines
1.1 KiB
C

#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#define ENABLED 1
#if defined(__aarch64__)
static void m5_checkpoint(uint64_t x, uint64_t y)
{
__asm__ __volatile__ (".inst 0xff430110;":: "x0" (x), "x1" (y));
};
static void m5_dump_stats(uint64_t x, uint64_t y)
{
__asm__ __volatile__ (".inst 0xff410110;":: "x0" (x), "x1" (y));
};
static void m5_exit(uint64_t x)
{
__asm__ __volatile__ (".inst 0xff210110;":: "x0" (x));
};
static void m5_reset_stats(uint64_t x, uint64_t y)
{
__asm__ __volatile__ (".inst 0xff400110;":: "x0" (x), "x1" (y));
};
#else
#undef ENABLED
#define ENABLED 0
#endif
int main(
#if ENABLED
int argc, char **argv
#else
void
#endif
)
{
#if defined(__aarch64__)
char action;
if (argc > 1) {
action = argv[1][0];
} else {
action = 'e';
}
switch (action)
{
case 'c':
m5_checkpoint(0, 0);
break;
case 'd':
m5_dump_stats(0, 0);
break;
case 'e':
m5_exit(0);
break;
case 'r':
m5_reset_stats(0, 0);
break;
}
#endif
return EXIT_SUCCESS;
}