diff options
Diffstat (limited to 'tools/testing')
5 files changed, 309 insertions, 0 deletions
diff --git a/tools/testing/selftests/arm64/abi/hwcap.c b/tools/testing/selftests/arm64/abi/hwcap.c index 1189e77c8152..d8909b2b535a 100644 --- a/tools/testing/selftests/arm64/abi/hwcap.c +++ b/tools/testing/selftests/arm64/abi/hwcap.c @@ -58,11 +58,46 @@ static void cssc_sigill(void) asm volatile(".inst 0xdac01c00" : : : "x0"); } +static void f8cvt_sigill(void) +{ + /* FSCALE V0.4H, V0.4H, V0.4H */ + asm volatile(".inst 0x2ec03c00"); +} + +static void f8dp2_sigill(void) +{ + /* FDOT V0.4H, V0.4H, V0.5H */ + asm volatile(".inst 0xe40fc00"); +} + +static void f8dp4_sigill(void) +{ + /* FDOT V0.2S, V0.2S, V0.2S */ + asm volatile(".inst 0xe00fc00"); +} + +static void f8fma_sigill(void) +{ + /* FMLALB V0.8H, V0.16B, V0.16B */ + asm volatile(".inst 0xec0fc00"); +} + +static void faminmax_sigill(void) +{ + /* FAMIN V0.4H, V0.4H, V0.4H */ + asm volatile(".inst 0x2ec01c00"); +} + static void fp_sigill(void) { asm volatile("fmov s0, #1"); } +static void fpmr_sigill(void) +{ + asm volatile("mrs x0, S3_3_C4_C4_2" : : : "x0"); +} + static void ilrcpc_sigill(void) { /* LDAPUR W0, [SP, #8] */ @@ -95,6 +130,12 @@ static void lse128_sigill(void) : "cc", "memory"); } +static void lut_sigill(void) +{ + /* LUTI2 V0.16B, { V0.16B }, V[0] */ + asm volatile(".inst 0x4e801000"); +} + static void mops_sigill(void) { char dst[1], src[1]; @@ -216,6 +257,78 @@ static void smef16f16_sigill(void) asm volatile("msr S0_3_C4_C6_3, xzr" : : : ); } +static void smef8f16_sigill(void) +{ + /* SMSTART */ + asm volatile("msr S0_3_C4_C7_3, xzr" : : : ); + + /* FDOT ZA.H[W0, 0], Z0.B-Z1.B, Z0.B-Z1.B */ + asm volatile(".inst 0xc1a01020" : : : ); + + /* SMSTOP */ + asm volatile("msr S0_3_C4_C6_3, xzr" : : : ); +} + +static void smef8f32_sigill(void) +{ + /* SMSTART */ + asm volatile("msr S0_3_C4_C7_3, xzr" : : : ); + + /* FDOT ZA.S[W0, 0], { Z0.B-Z1.B }, Z0.B[0] */ + asm volatile(".inst 0xc1500038" : : : ); + + /* SMSTOP */ + asm volatile("msr S0_3_C4_C6_3, xzr" : : : ); +} + +static void smelutv2_sigill(void) +{ + /* SMSTART */ + asm volatile("msr S0_3_C4_C7_3, xzr" : : : ); + + /* LUTI4 { Z0.B-Z3.B }, ZT0, { Z0-Z1 } */ + asm volatile(".inst 0xc08b0000" : : : ); + + /* SMSTOP */ + asm volatile("msr S0_3_C4_C6_3, xzr" : : : ); +} + +static void smesf8dp2_sigill(void) +{ + /* SMSTART */ + asm volatile("msr S0_3_C4_C7_3, xzr" : : : ); + + /* FDOT Z0.H, Z0.B, Z0.B[0] */ + asm volatile(".inst 0x64204400" : : : ); + + /* SMSTOP */ + asm volatile("msr S0_3_C4_C6_3, xzr" : : : ); +} + +static void smesf8dp4_sigill(void) +{ + /* SMSTART */ + asm volatile("msr S0_3_C4_C7_3, xzr" : : : ); + + /* FDOT Z0.S, Z0.B, Z0.B[0] */ + asm volatile(".inst 0xc1a41C00" : : : ); + + /* SMSTOP */ + asm volatile("msr S0_3_C4_C6_3, xzr" : : : ); +} + +static void smesf8fma_sigill(void) +{ + /* SMSTART */ + asm volatile("msr S0_3_C4_C7_3, xzr" : : : ); + + /* FMLALB V0.8H, V0.16B, V0.16B */ + asm volatile(".inst 0xec0fc00"); + + /* SMSTOP */ + asm volatile("msr S0_3_C4_C6_3, xzr" : : : ); +} + static void sve_sigill(void) { /* RDVL x0, #0 */ @@ -354,6 +467,53 @@ static const struct hwcap_data { .sigill_fn = cssc_sigill, }, { + .name = "F8CVT", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_F8CVT, + .cpuinfo = "f8cvt", + .sigill_fn = f8cvt_sigill, + }, + { + .name = "F8DP4", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_F8DP4, + .cpuinfo = "f8dp4", + .sigill_fn = f8dp4_sigill, + }, + { + .name = "F8DP2", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_F8DP2, + .cpuinfo = "f8dp4", + .sigill_fn = f8dp2_sigill, + }, + { + .name = "F8E5M2", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_F8E5M2, + .cpuinfo = "f8e5m2", + }, + { + .name = "F8E4M3", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_F8E4M3, + .cpuinfo = "f8e4m3", + }, + { + .name = "F8FMA", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_F8FMA, + .cpuinfo = "f8fma", + .sigill_fn = f8fma_sigill, + }, + { + .name = "FAMINMAX", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_FAMINMAX, + .cpuinfo = "faminmax", + .sigill_fn = faminmax_sigill, + }, + { .name = "FP", .at_hwcap = AT_HWCAP, .hwcap_bit = HWCAP_FP, @@ -361,6 +521,14 @@ static const struct hwcap_data { .sigill_fn = fp_sigill, }, { + .name = "FPMR", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_FPMR, + .cpuinfo = "fpmr", + .sigill_fn = fpmr_sigill, + .sigill_reliable = true, + }, + { .name = "JSCVT", .at_hwcap = AT_HWCAP, .hwcap_bit = HWCAP_JSCVT, @@ -412,6 +580,13 @@ static const struct hwcap_data { .sigill_fn = lse128_sigill, }, { + .name = "LUT", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_LUT, + .cpuinfo = "lut", + .sigill_fn = lut_sigill, + }, + { .name = "MOPS", .at_hwcap = AT_HWCAP2, .hwcap_bit = HWCAP2_MOPS, @@ -512,6 +687,48 @@ static const struct hwcap_data { .sigill_fn = smef16f16_sigill, }, { + .name = "SME F8F16", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_SME_F8F16, + .cpuinfo = "smef8f16", + .sigill_fn = smef8f16_sigill, + }, + { + .name = "SME F8F32", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_SME_F8F32, + .cpuinfo = "smef8f32", + .sigill_fn = smef8f32_sigill, + }, + { + .name = "SME LUTV2", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_SME_LUTV2, + .cpuinfo = "smelutv2", + .sigill_fn = smelutv2_sigill, + }, + { + .name = "SME SF8FMA", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_SME_SF8FMA, + .cpuinfo = "smesf8fma", + .sigill_fn = smesf8fma_sigill, + }, + { + .name = "SME SF8DP2", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_SME_SF8DP2, + .cpuinfo = "smesf8dp2", + .sigill_fn = smesf8dp2_sigill, + }, + { + .name = "SME SF8DP4", + .at_hwcap = AT_HWCAP2, + .hwcap_bit = HWCAP2_SME_SF8DP4, + .cpuinfo = "smesf8dp4", + .sigill_fn = smesf8dp4_sigill, + }, + { .name = "SVE", .at_hwcap = AT_HWCAP, .hwcap_bit = HWCAP_SVE, diff --git a/tools/testing/selftests/arm64/signal/.gitignore b/tools/testing/selftests/arm64/signal/.gitignore index 839e3a252629..1ce5b5eac386 100644 --- a/tools/testing/selftests/arm64/signal/.gitignore +++ b/tools/testing/selftests/arm64/signal/.gitignore @@ -1,6 +1,7 @@ # SPDX-License-Identifier: GPL-2.0-only mangle_* fake_sigreturn_* +fpmr_* sme_* ssve_* sve_* diff --git a/tools/testing/selftests/arm64/signal/testcases/fpmr_siginfo.c b/tools/testing/selftests/arm64/signal/testcases/fpmr_siginfo.c new file mode 100644 index 000000000000..e9d24685e741 --- /dev/null +++ b/tools/testing/selftests/arm64/signal/testcases/fpmr_siginfo.c @@ -0,0 +1,82 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2023 ARM Limited + * + * Verify that the FPMR register context in signal frames is set up as + * expected. + */ + +#include <signal.h> +#include <ucontext.h> +#include <sys/auxv.h> +#include <sys/prctl.h> +#include <unistd.h> +#include <asm/sigcontext.h> + +#include "test_signals_utils.h" +#include "testcases.h" + +static union { + ucontext_t uc; + char buf[1024 * 128]; +} context; + +#define SYS_FPMR "S3_3_C4_C4_2" + +static uint64_t get_fpmr(void) +{ + uint64_t val; + + asm volatile ( + "mrs %0, " SYS_FPMR "\n" + : "=r"(val) + : + : "cc"); + + return val; +} + +int fpmr_present(struct tdescr *td, siginfo_t *si, ucontext_t *uc) +{ + struct _aarch64_ctx *head = GET_BUF_RESV_HEAD(context); + struct fpmr_context *fpmr_ctx; + size_t offset; + bool in_sigframe; + bool have_fpmr; + __u64 orig_fpmr; + + have_fpmr = getauxval(AT_HWCAP2) & HWCAP2_FPMR; + if (have_fpmr) + orig_fpmr = get_fpmr(); + + if (!get_current_context(td, &context.uc, sizeof(context))) + return 1; + + fpmr_ctx = (struct fpmr_context *) + get_header(head, FPMR_MAGIC, td->live_sz, &offset); + + in_sigframe = fpmr_ctx != NULL; + + fprintf(stderr, "FPMR sigframe %s on system %s FPMR\n", + in_sigframe ? "present" : "absent", + have_fpmr ? "with" : "without"); + + td->pass = (in_sigframe == have_fpmr); + + if (have_fpmr && fpmr_ctx) { + if (fpmr_ctx->fpmr != orig_fpmr) { + fprintf(stderr, "FPMR in frame is %llx, was %llx\n", + fpmr_ctx->fpmr, orig_fpmr); + td->pass = false; + } + } + + return 0; +} + +struct tdescr tde = { + .name = "FPMR", + .descr = "Validate that FPMR is present as expected", + .timeout = 3, + .run = fpmr_present, +}; diff --git a/tools/testing/selftests/arm64/signal/testcases/testcases.c b/tools/testing/selftests/arm64/signal/testcases/testcases.c index 9f580b55b388..674b88cc8c39 100644 --- a/tools/testing/selftests/arm64/signal/testcases/testcases.c +++ b/tools/testing/selftests/arm64/signal/testcases/testcases.c @@ -209,6 +209,14 @@ bool validate_reserved(ucontext_t *uc, size_t resv_sz, char **err) zt = (struct zt_context *)head; new_flags |= ZT_CTX; break; + case FPMR_MAGIC: + if (flags & FPMR_CTX) + *err = "Multiple FPMR_MAGIC"; + else if (head->size != + sizeof(struct fpmr_context)) + *err = "Bad size for fpmr_context"; + new_flags |= FPMR_CTX; + break; case EXTRA_MAGIC: if (flags & EXTRA_CTX) *err = "Multiple EXTRA_MAGIC"; diff --git a/tools/testing/selftests/arm64/signal/testcases/testcases.h b/tools/testing/selftests/arm64/signal/testcases/testcases.h index a08ab0d6207a..7727126347e0 100644 --- a/tools/testing/selftests/arm64/signal/testcases/testcases.h +++ b/tools/testing/selftests/arm64/signal/testcases/testcases.h @@ -19,6 +19,7 @@ #define ZA_CTX (1 << 2) #define EXTRA_CTX (1 << 3) #define ZT_CTX (1 << 4) +#define FPMR_CTX (1 << 5) #define KSFT_BAD_MAGIC 0xdeadbeef |