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selftests/arm64: add HWCAP2_LRCPC3 test

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Add a test for the newly added HWCAP2_LRCPC3.

Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20230919162757.2707023-3-joey.gouly@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Joey Gouly
2023-09-19 17:27:57 +01:00
committed by Catalin Marinas
parent 338a835f40
commit 80652cc0c0
1 changed files with 20 additions and 0 deletions
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tools/testing/selftests/arm64/abi/hwcap.c
+20
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@@ -295,6 +295,19 @@ static void uscat_sigbus(void)
asm volatile(".inst 0xb820003f" : : : );
}
static void lrcpc3_sigill(void)
{
int data[2] = { 1, 2 };
register int *src asm ("x0") = data;
register int data0 asm ("w2") = 0;
register int data1 asm ("w3") = 0;
/* LDIAPP w2, w3, [x0] */
asm volatile(".inst 0x99431802"
: "=r" (data0), "=r" (data1) : "r" (src) :);
}
static const struct hwcap_data {
const char *name;
unsigned long at_hwcap;
@@ -354,6 +367,13 @@ static const struct hwcap_data {
.cpuinfo = "ilrcpc",
.sigill_fn = ilrcpc_sigill,
},
{
.name = "LRCPC3",
.at_hwcap = AT_HWCAP2,
.hwcap_bit = HWCAP2_LRCPC3,
.cpuinfo = "lrcpc3",
.sigill_fn = lrcpc3_sigill,
},
{
.name = "LSE",
.at_hwcap = AT_HWCAP,