From: Yifan Wu <wuyifan50@huawei.com> driver inclusion category: feature bugzilla: https://atomgit.com/openeuler/kernel/issues/8904 ---------------------------------------------------------------------- Add FEAT_CMPBR to the set of features checked by the hwcap selftest. Signed-off-by: Yifan Wu <wuyifan50@huawei.com> Signed-off-by: Qinxin Xia <xiaqinxin@huawei.com> Signed-off-by: Hongye Lin <linhongye@h-partners.com> --- tools/testing/selftests/arm64/abi/hwcap.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/tools/testing/selftests/arm64/abi/hwcap.c b/tools/testing/selftests/arm64/abi/hwcap.c index 786f35aefaa4..0a526e225193 100644 --- a/tools/testing/selftests/arm64/abi/hwcap.c +++ b/tools/testing/selftests/arm64/abi/hwcap.c @@ -93,6 +93,12 @@ static void fpmr_sigill(void) asm volatile("mrs x0, S3_3_C4_C4_2" : : : "x0"); } +static void cmpbr_sigill(void) +{ + asm volatile(".inst 0x74C00040\n" /* CBEQ w0, w0, +8 */ + "udf #0" : : : "cc"); /* UDF #0 */ +} + static void fp_sigill(void) { asm volatile("fmov s0, #1"); @@ -408,6 +414,13 @@ static const struct hwcap_data { .cpuinfo = "faminmax", .sigill_fn = faminmax_sigill, }, + { + .name = "CMPBR", + .at_hwcap = AT_HWCAP, + .hwcap_bit = HWCAP_CMPBR, + .cpuinfo = "cmpbr", + .sigill_fn = cmpbr_sigill, + }, { .name = "FP", .at_hwcap = AT_HWCAP, -- 2.33.0