/* RDPRU test */ | |
#include "libcflat.h" | |
#include "processor.h" | |
#include "desc.h" | |
static int rdpru_checking(void) | |
{ | |
asm volatile (ASM_TRY("1f") | |
".byte 0x0f,0x01,0xfd \n\t" /* rdpru */ | |
"1:" : : "c" (0) : "eax", "edx"); | |
return exception_vector(); | |
} | |
int main(int ac, char **av) | |
{ | |
setup_idt(); | |
if (this_cpu_has(X86_FEATURE_RDPRU)) | |
report_skip("RDPRU raises #UD"); | |
else | |
report(rdpru_checking() == UD_VECTOR, "RDPRU raises #UD"); | |
return report_summary(); | |
} |