target/arm: Deliver BKPT/BRK exceptions to correct exception level
[qemu/ar7.git] / tests / tcg / aarch64 / pauth-1.c
bloba3c1443cd070acb3bfb617abcf235ff3bb1aee3e
1 #include <assert.h>
2 #include <sys/prctl.h>
3 #include <stdio.h>
5 asm(".arch armv8.4-a");
7 #ifndef PR_PAC_RESET_KEYS
8 #define PR_PAC_RESET_KEYS 54
9 #define PR_PAC_APDAKEY (1 << 2)
10 #endif
12 #define TESTS 1000
14 int main()
16 int x, i, count = 0;
17 void *p0 = &x, *p1, *p2;
18 float perc;
20 for (i = 0; i < TESTS; i++) {
21 asm volatile("pacdza %0" : "=r"(p1) : "0"(p0));
22 prctl(PR_PAC_RESET_KEYS, PR_PAC_APDAKEY, 0, 0, 0);
23 asm volatile("pacdza %0" : "=r"(p2) : "0"(p0));
25 if (p1 != p0) {
26 count++;
28 if (p1 != p2) {
29 count++;
33 perc = (float) count / (float) (TESTS * 2);
34 printf("Ptr Check: %0.2f%%", perc * 100.0);
35 assert(perc > 0.95);
36 return 0;