3rd-party/linux-kernel-module-cheat
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fight with right registers

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Ciro Santilli
2018-06-10 23:24:18 +01:00
parent f8f21d7535
commit 39c3a3bf19
2 changed files with 26 additions and 26 deletions
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2
buildroot

Submodule buildroot updated: bc60382b8f...f3d114a1ef

50
kernel_module/user/m5ops.c
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@@ -4,22 +4,22 @@
#define ENABLED 1 #define ENABLED 1
#if defined(__aarch64__) #if defined(__aarch64__)
static void m5_checkpoint(uint64_t x, uint64_t y) /*static void m5_checkpoint(uint64_t x, uint64_t y)*/
{ /*{*/
__asm__ __volatile__ (".inst 0xff430110;":: "x0" (x), "x1" (y)); /*__asm__ __volatile__ ("mov x0, %0; mov x1, %1; .inst 0xff430110;":: "m" (x), "m" (y));*/
}; /*};*/
static void m5_dump_stats(uint64_t x, uint64_t y) /*static void m5_dump_stats(uint64_t x, uint64_t y)*/
{ /*{*/
__asm__ __volatile__ (".inst 0xff410110;":: "x0" (x), "x1" (y)); /*__asm__ __volatile__ ("mov %0, x0; mov %1, x1; .inst 0xff410110;":: "m" (x), "m" (y));*/
}; /*};*/
static void m5_exit(uint64_t x) static void m5_exit(uint64_t x)
{ {
__asm__ __volatile__ (".inst 0xff210110;":: "x0" (x)); __asm__ __volatile__ ("mov x0, %0; .inst 0xff210110;":: "m" (x));
};
static void m5_reset_stats(uint64_t x, uint64_t y)
{
__asm__ __volatile__ (".inst 0xff400110;":: "x0" (x), "x1" (y));
}; };
/*static void m5_reset_stats(uint64_t x, uint64_t y)*/
/*{*/
/*__asm__ __volatile__ ("mov %0, x0; mov %1, x1; .inst 0xff400110;":: "m" (x), "m" (y));*/
/*};*/
#else #else
#undef ENABLED #undef ENABLED
#define ENABLED 0 #define ENABLED 0
@@ -42,18 +42,18 @@ void
} }
switch (action) switch (action)
{ {
case 'c': /*case 'c':*/
m5_checkpoint(0, 0); /*m5_checkpoint(0, 0);*/
break; /*break;*/
case 'd': /*case 'd':*/
m5_dump_stats(0, 0); /*m5_dump_stats(0, 0);*/
break; /*break;*/
case 'e': case 'e':
m5_exit(0); m5_exit(0);
break; break;
case 'r': /*case 'r':*/
m5_reset_stats(0, 0); /*m5_reset_stats(0, 0);*/
break; /*break;*/
} }
#endif #endif
return EXIT_SUCCESS; return EXIT_SUCCESS;