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selftest: run vector prctl test for ZVE32X

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The minimal requirement for running Vector subextension on Linux is
ZVE32X. So change the test accordingly to run prctl as long as it find
it.

Signed-off-by: Andy Chiu <andy.chiu@sifive.com>
Link: https://lore.kernel.org/r/20240510-zve-detection-v5-8-0711bdd26c12@sifive.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
This commit is contained in:
Andy Chiu 2024-05-10 00:26:58 +08:00 committed by Palmer Dabbelt
parent ac295b6742
commit edc96a2b4c
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GPG Key ID: 2E1319F35FBB1889
1 changed files with 3 additions and 3 deletions
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6
tools/testing/selftests/riscv/vector/vstate_prctl.c
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@ -88,16 +88,16 @@ int main(void)
return -2;
}
if (!(pair.value & RISCV_HWPROBE_IMA_V)) {
if (!(pair.value & RISCV_HWPROBE_EXT_ZVE32X)) {
rc = prctl(PR_RISCV_V_GET_CONTROL);
if (rc != -1 || errno != EINVAL) {
ksft_test_result_fail("GET_CONTROL should fail on kernel/hw without V\n");
ksft_test_result_fail("GET_CONTROL should fail on kernel/hw without ZVE32X\n");
return -3;
}
rc = prctl(PR_RISCV_V_SET_CONTROL, PR_RISCV_V_VSTATE_CTRL_ON);
if (rc != -1 || errno != EINVAL) {
ksft_test_result_fail("GET_CONTROL should fail on kernel/hw without V\n");
ksft_test_result_fail("SET_CONTROL should fail on kernel/hw without ZVE32X\n");
return -4;
}