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Diffstat (limited to 'tools/testing/selftests/arm64/mte/check_prctl.c')
-rw-r--r--tools/testing/selftests/arm64/mte/check_prctl.c31
1 files changed, 22 insertions, 9 deletions
diff --git a/tools/testing/selftests/arm64/mte/check_prctl.c b/tools/testing/selftests/arm64/mte/check_prctl.c
index f139a33a43ef..f7f320defa7b 100644
--- a/tools/testing/selftests/arm64/mte/check_prctl.c
+++ b/tools/testing/selftests/arm64/mte/check_prctl.c
@@ -12,6 +12,10 @@
#include "kselftest.h"
+#ifndef AT_HWCAP3
+#define AT_HWCAP3 29
+#endif
+
static int set_tagged_addr_ctrl(int val)
{
int ret;
@@ -60,7 +64,7 @@ void check_basic_read(void)
/*
* Attempt to set a specified combination of modes.
*/
-void set_mode_test(const char *name, int hwcap2, int mask)
+void set_mode_test(const char *name, int hwcap2, int hwcap3, int mask)
{
int ret;
@@ -69,6 +73,11 @@ void set_mode_test(const char *name, int hwcap2, int mask)
return;
}
+ if ((getauxval(AT_HWCAP3) & hwcap3) != hwcap3) {
+ ksft_test_result_skip("%s\n", name);
+ return;
+ }
+
ret = set_tagged_addr_ctrl(mask);
if (ret < 0) {
ksft_test_result_fail("%s\n", name);
@@ -81,11 +90,11 @@ void set_mode_test(const char *name, int hwcap2, int mask)
return;
}
- if ((ret & PR_MTE_TCF_MASK) == mask) {
+ if ((ret & (PR_MTE_TCF_MASK | PR_MTE_STORE_ONLY)) == mask) {
ksft_test_result_pass("%s\n", name);
} else {
ksft_print_msg("Got %x, expected %x\n",
- (ret & PR_MTE_TCF_MASK), mask);
+ (ret & (int)PR_MTE_TCF_MASK), mask);
ksft_test_result_fail("%s\n", name);
}
}
@@ -93,12 +102,16 @@ void set_mode_test(const char *name, int hwcap2, int mask)
struct mte_mode {
int mask;
int hwcap2;
+ int hwcap3;
const char *name;
} mte_modes[] = {
- { PR_MTE_TCF_NONE, 0, "NONE" },
- { PR_MTE_TCF_SYNC, HWCAP2_MTE, "SYNC" },
- { PR_MTE_TCF_ASYNC, HWCAP2_MTE, "ASYNC" },
- { PR_MTE_TCF_SYNC | PR_MTE_TCF_ASYNC, HWCAP2_MTE, "SYNC+ASYNC" },
+ { PR_MTE_TCF_NONE, 0, 0, "NONE" },
+ { PR_MTE_TCF_SYNC, HWCAP2_MTE, 0, "SYNC" },
+ { PR_MTE_TCF_ASYNC, HWCAP2_MTE, 0, "ASYNC" },
+ { PR_MTE_TCF_SYNC | PR_MTE_TCF_ASYNC, HWCAP2_MTE, 0, "SYNC+ASYNC" },
+ { PR_MTE_TCF_SYNC | PR_MTE_STORE_ONLY, HWCAP2_MTE, HWCAP3_MTE_STORE_ONLY, "SYNC+STONLY" },
+ { PR_MTE_TCF_ASYNC | PR_MTE_STORE_ONLY, HWCAP2_MTE, HWCAP3_MTE_STORE_ONLY, "ASYNC+STONLY" },
+ { PR_MTE_TCF_SYNC | PR_MTE_TCF_ASYNC | PR_MTE_STORE_ONLY, HWCAP2_MTE, HWCAP3_MTE_STORE_ONLY, "SYNC+ASYNC+STONLY" },
};
int main(void)
@@ -106,11 +119,11 @@ int main(void)
int i;
ksft_print_header();
- ksft_set_plan(5);
+ ksft_set_plan(ARRAY_SIZE(mte_modes));
check_basic_read();
for (i = 0; i < ARRAY_SIZE(mte_modes); i++)
- set_mode_test(mte_modes[i].name, mte_modes[i].hwcap2,
+ set_mode_test(mte_modes[i].name, mte_modes[i].hwcap2, mte_modes[i].hwcap3,
mte_modes[i].mask);
ksft_print_cnts();