3rd-party/linux-kernel-module-cheat
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play a bit with the ARM PMU

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Ciro Santilli 六四事件 法轮功
2020-11-18 00:00:00 +00:00
parent 95430c7c0c
commit d4a27987d6
7 changed files with 142 additions and 22 deletions
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11
lkmc.c
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@@ -57,6 +57,17 @@ void lkmc_assert_memcmp(
}
}
void __attribute__ ((noinline)) lkmc_busy_loop(
unsigned long long max,
unsigned long long max2
) {
for (unsigned long long i = 0; i < max2; i++) {
for (unsigned long long j = 0; j < max; j++) {
__asm__ __volatile__ ("" : "+g" (i), "+g" (j) : :);
}
}
}
void lkmc_print_hex_32(uint32_t x) {
printf("0x%08" PRIX32, x);
}