tests/tcg/aarch64: Adjust pauth tests for FEAT_FPAC

[mirror_qemu.git] / tests / tcg / aarch64 / pauth-4.c

diff --git a/tests/tcg/aarch64/pauth-4.c b/tests/tcg/aarch64/pauth-4.c
index 24a639e36ca03f4947e5ae7b599bbe4335f03b05..b254f413afdc4e187e463ce87bfee717caf4b5c3 100644 (file)
--- a/tests/tcg/aarch64/pauth-4.c
+++ b/tests/tcg/aarch64/pauth-4.c
@@ -2,14 +2,24 @@
 #include <assert.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include "pauth.h"
 
 #define TESTS 1000
 
 int main()
 {
+    char base[TESTS];
     int i, count = 0;
     float perc;
-    void *base = malloc(TESTS);
+    int pac_feature = get_pac_feature();
+
+    /*
+     * Exit if no PAuth or FEAT_FPAC, which will SIGILL on AUTIA failure
+     * rather than return an error for us to check below.
+     */
+    if (pac_feature == 0 || pac_feature >= 4) {
+        return 0;
+    }
 
     for (i = 0; i < TESTS; i++) {
         uintptr_t in, x, y;
@@ -17,7 +27,7 @@ int main()
         in = i + (uintptr_t) base;
 
         asm("mov %0, %[in]\n\t"
-            "pacia %0, sp\n\t"        /* sigill if pauth not supported */
+            "pacia %0, sp\n\t"
             "eor %0, %0, #4\n\t"      /* corrupt single bit */
             "mov %1, %0\n\t"
             "autia %1, sp\n\t"        /* validate corrupted pointer */
@@ -36,10 +46,10 @@ int main()
         if (x != y) {
             count++;
         }
-
     }
+
     perc = (float) count / (float) TESTS;
-    printf("Checks Passed: %0.2f%%", perc * 100.0);
+    printf("Checks Passed: %0.2f%%\n", perc * 100.0);
     assert(perc > 0.95);
     return 0;
 }