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kselftest/arm64: add RCpc load-acquire to hwcap test

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Add the RCpc and various features check in the set of hwcap tests.

Signed-off-by: Zeng Heng <zengheng4@huawei.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230803133905.971697-1-zengheng4@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Zeng Heng 2023-08-03 21:39:05 +08:00 committed by Will Deacon
parent 0aeead9bb2
commit d1890517ac
1 changed files with 26 additions and 0 deletions
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26
tools/testing/selftests/arm64/abi/hwcap.c
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@ -39,6 +39,18 @@ static void cssc_sigill(void)
asm volatile(".inst 0xdac01c00" : : : "x0");
}
static void ilrcpc_sigill(void)
{
/* LDAPUR W0, [SP, #8] */
asm volatile(".inst 0x994083e0" : : : );
}
static void lrcpc_sigill(void)
{
/* LDAPR W0, [SP, #0] */
asm volatile(".inst 0xb8bfc3e0" : : : );
}
static void mops_sigill(void)
{
char dst[1], src[1];
@ -223,6 +235,20 @@ static const struct hwcap_data {
.cpuinfo = "cssc",
.sigill_fn = cssc_sigill,
},
{
.name = "LRCPC",
.at_hwcap = AT_HWCAP,
.hwcap_bit = HWCAP_LRCPC,
.cpuinfo = "lrcpc",
.sigill_fn = lrcpc_sigill,
},
{
.name = "LRCPC2",
.at_hwcap = AT_HWCAP,
.hwcap_bit = HWCAP_ILRCPC,
.cpuinfo = "ilrcpc",
.sigill_fn = ilrcpc_sigill,
},
{
.name = "MOPS",
.at_hwcap = AT_HWCAP2,