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kselftest/arm64: Add 2025 dpISA coverage to hwcaps

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Add coverage of the new hwcaps to the test program, encodings cross checked
against LLVM 22.

Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Mark Brown 2026-05-18 16:07:30 +01:00 committed by Will Deacon
parent f2db075234
commit 7da70f41da
1 changed files with 116 additions and 0 deletions
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116
tools/testing/selftests/arm64/abi/hwcap.c
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@ -108,6 +108,24 @@ static void f8mm8_sigill(void)
asm volatile(".inst 0x6e80ec00");
}
static void f16f32dot_sigill(void)
{
/* FDOT V0.2S, V0.4H, V0.2H[0] */
asm volatile(".inst 0xf409000");
}
static void f16f32mm_sigill(void)
{
/* FMMLA V0.4S, V0.8H, V0.8H */
asm volatile(".inst 0x4e40ec00");
}
static void f16mm_sigill(void)
{
/* FMMLA V0.8H, V0.8H, V0.8H */
asm volatile(".inst 0x4ec0ec00");
}
static void faminmax_sigill(void)
{
/* FAMIN V0.4H, V0.4H, V0.4H */
@ -191,6 +209,12 @@ static void lut_sigill(void)
asm volatile(".inst 0x4e801000");
}
static void sve_lut6_sigill(void)
{
/* LUTI6 Z0.H, { Z0.H, Z1.H }, Z0[0] */
asm volatile(".inst 0x4560ac00");
}
static void mops_sigill(void)
{
char dst[1], src[1];
@ -282,6 +306,18 @@ static void sme2p2_sigill(void)
asm volatile("msr S0_3_C4_C6_3, xzr" : : : );
}
static void sme2p3_sigill(void)
{
/* SMSTART SM */
asm volatile("msr S0_3_C4_C3_3, xzr" : : : );
/* ADDQP Z0.B, Z0.B, Z0.B */
asm volatile(".inst 0x4207800" : : : "z0");
/* SMSTOP */
asm volatile("msr S0_3_C4_C6_3, xzr" : : : );
}
static void sme_aes_sigill(void)
{
/* SMSTART SM */
@ -378,6 +414,18 @@ static void smef8f32_sigill(void)
asm volatile("msr S0_3_C4_C6_3, xzr" : : : );
}
static void smelut6_sigill(void)
{
/* SMSTART */
asm volatile("msr S0_3_C4_C7_3, xzr" : : : );
/* LUTI6 { Z0.B-Z3.B }, ZT0, { Z0-Z2 } */
asm volatile(".inst 0xc08a0000" : : : );
/* SMSTOP */
asm volatile("msr S0_3_C4_C6_3, xzr" : : : );
}
static void smelutv2_sigill(void)
{
/* SMSTART */
@ -486,6 +534,12 @@ static void sve2p2_sigill(void)
asm volatile(".inst 0x4cea000" : : : "z0");
}
static void sve2p3_sigill(void)
{
/* ADDQP Z0.B, Z0.B, Z0.B */
asm volatile(".inst 0x4207800" : : : "z0");
}
static void sveaes_sigill(void)
{
/* AESD z0.b, z0.b, z0.b */
@ -504,6 +558,12 @@ static void sveb16b16_sigill(void)
asm volatile(".inst 0x65000000" : : : );
}
static void sveb16mm_sigill(void)
{
/* BFMMLA Z0.H, Z0.H, Z0.H */
asm volatile(".inst 0x64e0e000" : : : );
}
static void svebfscale_sigill(void)
{
/* BFSCALE Z0.H, P0/M, Z0.H, Z0.H */
@ -729,6 +789,27 @@ static const struct hwcap_data {
.cpuinfo = "f8mm4",
.sigill_fn = f8mm4_sigill,
},
{
.name = "F16MM",
.at_hwcap = AT_HWCAP3,
.hwcap_bit = HWCAP3_F16MM,
.cpuinfo = "f16mm",
.sigill_fn = f16mm_sigill,
},
{
.name = "F16F32DOT",
.at_hwcap = AT_HWCAP3,
.hwcap_bit = HWCAP3_F16F32DOT,
.cpuinfo = "f16f32dot",
.sigill_fn = f16f32dot_sigill,
},
{
.name = "F16F32MM",
.at_hwcap = AT_HWCAP3,
.hwcap_bit = HWCAP3_F16F32MM,
.cpuinfo = "f16f32mm",
.sigill_fn = f16f32mm_sigill,
},
{
.name = "FAMINMAX",
.at_hwcap = AT_HWCAP2,
@ -918,6 +999,13 @@ static const struct hwcap_data {
.cpuinfo = "sme2p2",
.sigill_fn = sme2p2_sigill,
},
{
.name = "SME 2.3",
.at_hwcap = AT_HWCAP3,
.hwcap_bit = HWCAP3_SME2P3,
.cpuinfo = "sme2p3",
.sigill_fn = sme2p3_sigill,
},
{
.name = "SME AES",
.at_hwcap = AT_HWCAP,
@ -967,6 +1055,13 @@ static const struct hwcap_data {
.cpuinfo = "smef8f32",
.sigill_fn = smef8f32_sigill,
},
{
.name = "SME LUT6",
.at_hwcap = AT_HWCAP3,
.hwcap_bit = HWCAP3_SME_LUT6,
.cpuinfo = "smelut6",
.sigill_fn = smelut6_sigill,
},
{
.name = "SME LUTV2",
.at_hwcap = AT_HWCAP2,
@ -1052,6 +1147,13 @@ static const struct hwcap_data {
.cpuinfo = "sve2p2",
.sigill_fn = sve2p2_sigill,
},
{
.name = "SVE 2.3",
.at_hwcap = AT_HWCAP3,
.hwcap_bit = HWCAP3_SVE2P3,
.cpuinfo = "sve2p3",
.sigill_fn = sve2p3_sigill,
},
{
.name = "SVE AES",
.at_hwcap = AT_HWCAP2,
@ -1066,6 +1168,13 @@ static const struct hwcap_data {
.cpuinfo = "sveaes2",
.sigill_fn = sveaes2_sigill,
},
{
.name = "SVE B16MM",
.at_hwcap = AT_HWCAP3,
.hwcap_bit = HWCAP3_SVE_B16MM,
.cpuinfo = "sveb16mm",
.sigill_fn = sveb16mm_sigill,
},
{
.name = "SVE BFSCALE",
.at_hwcap = AT_HWCAP,
@ -1087,6 +1196,13 @@ static const struct hwcap_data {
.cpuinfo = "svef16mm",
.sigill_fn = svef16mm_sigill,
},
{
.name = "SVE_LUT6",
.at_hwcap = AT_HWCAP3,
.hwcap_bit = HWCAP3_SVE_LUT6,
.cpuinfo = "svelut6",
.sigill_fn = sve_lut6_sigill,
},
{
.name = "SVE2 B16B16",
.at_hwcap = AT_HWCAP2,