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kselftest/arm64: Add SVE 2 to the tested hwcaps

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Include SVE 2 and the various subfeatures it adds in the set of
hwcaps we check for.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20220913141101.151400-3-broonie@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Mark Brown
2022-09-13 15:11:00 +01:00
committed by Catalin Marinas
parent 78d2b1976b
commit 859a9d51a2
1 changed files with 136 additions and 0 deletions
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136
tools/testing/selftests/arm64/abi/hwcap.c
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@@ -45,6 +45,66 @@ static void sve_sigill(void)
asm volatile(".inst 0x04bf5000" : : : "x0");
}
static void sve2_sigill(void)
{
/* SQABS Z0.b, P0/M, Z0.B */
asm volatile(".inst 0x4408A000" : : : "z0");
}
static void sveaes_sigill(void)
{
/* AESD z0.b, z0.b, z0.b */
asm volatile(".inst 0x4522e400" : : : "z0");
}
static void svepmull_sigill(void)
{
/* PMULLB Z0.Q, Z0.D, Z0.D */
asm volatile(".inst 0x45006800" : : : "z0");
}
static void svebitperm_sigill(void)
{
/* BDEP Z0.B, Z0.B, Z0.B */
asm volatile(".inst 0x4500b400" : : : "z0");
}
static void svesha3_sigill(void)
{
/* EOR3 Z0.D, Z0.D, Z0.D, Z0.D */
asm volatile(".inst 0x4203800" : : : "z0");
}
static void svesm4_sigill(void)
{
/* SM4E Z0.S, Z0.S, Z0.S */
asm volatile(".inst 0x4523e000" : : : "z0");
}
static void svei8mm_sigill(void)
{
/* USDOT Z0.S, Z0.B, Z0.B[0] */
asm volatile(".inst 0x44a01800" : : : "z0");
}
static void svef32mm_sigill(void)
{
/* FMMLA Z0.S, Z0.S, Z0.S */
asm volatile(".inst 0x64a0e400" : : : "z0");
}
static void svef64mm_sigill(void)
{
/* FMMLA Z0.D, Z0.D, Z0.D */
asm volatile(".inst 0x64e0e400" : : : "z0");
}
static void svebf16_sigill(void)
{
/* BFCVT Z0.H, P0/M, Z0.S */
asm volatile(".inst 0x658aa000" : : : "z0");
}
static const struct hwcap_data {
const char *name;
unsigned long at_hwcap;
@@ -69,6 +129,82 @@ static const struct hwcap_data {
.sigill_fn = sve_sigill,
.sigill_reliable = true,
},
{
.name = "SVE 2",
.at_hwcap = AT_HWCAP2,
.hwcap_bit = HWCAP2_SVE2,
.cpuinfo = "sve2",
.sigill_fn = sve2_sigill,
},
{
.name = "SVE AES",
.at_hwcap = AT_HWCAP2,
.hwcap_bit = HWCAP2_SVEAES,
.cpuinfo = "sveaes",
.sigill_fn = sveaes_sigill,
},
{
.name = "SVE2 PMULL",
.at_hwcap = AT_HWCAP2,
.hwcap_bit = HWCAP2_SVEPMULL,
.cpuinfo = "svepmull",
.sigill_fn = svepmull_sigill,
},
{
.name = "SVE2 BITPERM",
.at_hwcap = AT_HWCAP2,
.hwcap_bit = HWCAP2_SVEBITPERM,
.cpuinfo = "svebitperm",
.sigill_fn = svebitperm_sigill,
},
{
.name = "SVE2 SHA3",
.at_hwcap = AT_HWCAP2,
.hwcap_bit = HWCAP2_SVESHA3,
.cpuinfo = "svesha3",
.sigill_fn = svesha3_sigill,
},
{
.name = "SVE2 SM4",
.at_hwcap = AT_HWCAP2,
.hwcap_bit = HWCAP2_SVESM4,
.cpuinfo = "svesm4",
.sigill_fn = svesm4_sigill,
},
{
.name = "SVE2 I8MM",
.at_hwcap = AT_HWCAP2,
.hwcap_bit = HWCAP2_SVEI8MM,
.cpuinfo = "svei8mm",
.sigill_fn = svei8mm_sigill,
},
{
.name = "SVE2 F32MM",
.at_hwcap = AT_HWCAP2,
.hwcap_bit = HWCAP2_SVEF32MM,
.cpuinfo = "svef32mm",
.sigill_fn = svef32mm_sigill,
},
{
.name = "SVE2 F64MM",
.at_hwcap = AT_HWCAP2,
.hwcap_bit = HWCAP2_SVEF64MM,
.cpuinfo = "svef64mm",
.sigill_fn = svef64mm_sigill,
},
{
.name = "SVE2 BF16",
.at_hwcap = AT_HWCAP2,
.hwcap_bit = HWCAP2_SVEBF16,
.cpuinfo = "svebf16",
.sigill_fn = svebf16_sigill,
},
{
.name = "SVE2 EBF16",
.at_hwcap = AT_HWCAP2,
.hwcap_bit = HWCAP2_SVE_EBF16,
.cpuinfo = "sveebf16",
},
};
static bool seen_sigill;