From: Mark Brown <broonie@kernel.org> To: Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, Shuah Khan <skhan@linuxfoundation.org>, Shuah Khan <shuah@kernel.org> Cc: Alan Hayward <alan.hayward@arm.com>, Luis Machado <luis.machado@arm.com>, Salil Akerkar <Salil.Akerkar@arm.com>, Basant Kumar Dwivedi <Basant.KumarDwivedi@arm.com>, Szabolcs Nagy <szabolcs.nagy@arm.com>, linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org, Mark Brown <broonie@kernel.org> Subject: [PATCH v2 37/42] kselftest/arm64: Extend vector configuration API tests to cover SME Date: Mon, 18 Oct 2021 20:08:53 +0100 [thread overview] Message-ID: <20211018190858.2119209-38-broonie@kernel.org> (raw) In-Reply-To: <20211018190858.2119209-1-broonie@kernel.org> Provide RDVL helpers for SME and extend the main vector configuration tests to cover SME. Signed-off-by: Mark Brown <broonie@kernel.org> --- tools/testing/selftests/arm64/fp/.gitignore | 1 + tools/testing/selftests/arm64/fp/Makefile | 3 ++- tools/testing/selftests/arm64/fp/rdvl-sme.c | 14 ++++++++++++++ tools/testing/selftests/arm64/fp/rdvl.S | 16 ++++++++++++++++ tools/testing/selftests/arm64/fp/rdvl.h | 1 + tools/testing/selftests/arm64/fp/vec-syscfg.c | 10 ++++++++++ 6 files changed, 44 insertions(+), 1 deletion(-) create mode 100644 tools/testing/selftests/arm64/fp/rdvl-sme.c diff --git a/tools/testing/selftests/arm64/fp/.gitignore b/tools/testing/selftests/arm64/fp/.gitignore index b67395903b9b..885dd592807b 100644 --- a/tools/testing/selftests/arm64/fp/.gitignore +++ b/tools/testing/selftests/arm64/fp/.gitignore @@ -1,4 +1,5 @@ fpsimd-test +rdvl-sme rdvl-sve sve-probe-vls sve-ptrace diff --git a/tools/testing/selftests/arm64/fp/Makefile b/tools/testing/selftests/arm64/fp/Makefile index 4367125b7c27..ff1c8fde3aed 100644 --- a/tools/testing/selftests/arm64/fp/Makefile +++ b/tools/testing/selftests/arm64/fp/Makefile @@ -3,7 +3,7 @@ CFLAGS += -I../../../../../usr/include/ TEST_GEN_PROGS := sve-ptrace sve-probe-vls vec-syscfg TEST_PROGS_EXTENDED := fpsimd-test fpsimd-stress \ - rdvl-sve \ + rdvl-sme rdvl-sve \ sve-test sve-stress \ vlset @@ -11,6 +11,7 @@ all: $(TEST_GEN_PROGS) $(TEST_PROGS_EXTENDED) fpsimd-test: fpsimd-test.o $(CC) -nostdlib $^ -o $@ +rdvl-sme: rdvl-sme.o rdvl.o rdvl-sve: rdvl-sve.o rdvl.o sve-ptrace: sve-ptrace.o sve-probe-vls: sve-probe-vls.o rdvl.o diff --git a/tools/testing/selftests/arm64/fp/rdvl-sme.c b/tools/testing/selftests/arm64/fp/rdvl-sme.c new file mode 100644 index 000000000000..49b0b2e08bac --- /dev/null +++ b/tools/testing/selftests/arm64/fp/rdvl-sme.c @@ -0,0 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include <stdio.h> + +#include "rdvl.h" + +int main(void) +{ + int vl = rdvl_sme(); + + printf("%d\n", vl); + + return 0; +} diff --git a/tools/testing/selftests/arm64/fp/rdvl.S b/tools/testing/selftests/arm64/fp/rdvl.S index c916c1c9defd..a9a028ba1b79 100644 --- a/tools/testing/selftests/arm64/fp/rdvl.S +++ b/tools/testing/selftests/arm64/fp/rdvl.S @@ -8,3 +8,19 @@ rdvl_sve: hint 34 // BTI C rdvl x0, #1 ret + +.globl rdvl_sme +rdvl_sme: + hint 34 // BTI C + + // Enter streaming mode + mov x16, #1 + msr S3_3_C4_C2_2, x16 + + rdvl x0, #1 + + // Leave streaming mode + mov x16, #0 + msr S3_3_C4_C2_2, x16 + + ret diff --git a/tools/testing/selftests/arm64/fp/rdvl.h b/tools/testing/selftests/arm64/fp/rdvl.h index 7c9d953fc9e7..5d323679fbc9 100644 --- a/tools/testing/selftests/arm64/fp/rdvl.h +++ b/tools/testing/selftests/arm64/fp/rdvl.h @@ -3,6 +3,7 @@ #ifndef RDVL_H #define RDVL_H +int rdvl_sme(void); int rdvl_sve(void); #endif diff --git a/tools/testing/selftests/arm64/fp/vec-syscfg.c b/tools/testing/selftests/arm64/fp/vec-syscfg.c index 272b888e018e..0b976eb1c1d1 100644 --- a/tools/testing/selftests/arm64/fp/vec-syscfg.c +++ b/tools/testing/selftests/arm64/fp/vec-syscfg.c @@ -53,6 +53,16 @@ static struct vec_data vec_data[] = { .prctl_set = PR_SVE_SET_VL, .default_vl_file = "/proc/sys/abi/sve_default_vector_length", }, + { + .name = "SME", + .hwcap_type = AT_HWCAP2, + .hwcap = HWCAP2_SME, + .rdvl = rdvl_sme, + .rdvl_binary = "./rdvl-sme", + .prctl_get = PR_SME_GET_VL, + .prctl_set = PR_SME_SET_VL, + .default_vl_file = "/proc/sys/abi/sme_default_vector_length", + }, }; static int stdio_read_integer(FILE *f, const char *what, int *val) -- 2.30.2
WARNING: multiple messages have this Message-ID (diff)
From: Mark Brown <broonie@kernel.org> To: Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, Shuah Khan <skhan@linuxfoundation.org>, Shuah Khan <shuah@kernel.org> Cc: Alan Hayward <alan.hayward@arm.com>, Luis Machado <luis.machado@arm.com>, Salil Akerkar <Salil.Akerkar@arm.com>, Basant Kumar Dwivedi <Basant.KumarDwivedi@arm.com>, Szabolcs Nagy <szabolcs.nagy@arm.com>, linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org, Mark Brown <broonie@kernel.org> Subject: [PATCH v2 37/42] kselftest/arm64: Extend vector configuration API tests to cover SME Date: Mon, 18 Oct 2021 20:08:53 +0100 [thread overview] Message-ID: <20211018190858.2119209-38-broonie@kernel.org> (raw) In-Reply-To: <20211018190858.2119209-1-broonie@kernel.org> Provide RDVL helpers for SME and extend the main vector configuration tests to cover SME. Signed-off-by: Mark Brown <broonie@kernel.org> --- tools/testing/selftests/arm64/fp/.gitignore | 1 + tools/testing/selftests/arm64/fp/Makefile | 3 ++- tools/testing/selftests/arm64/fp/rdvl-sme.c | 14 ++++++++++++++ tools/testing/selftests/arm64/fp/rdvl.S | 16 ++++++++++++++++ tools/testing/selftests/arm64/fp/rdvl.h | 1 + tools/testing/selftests/arm64/fp/vec-syscfg.c | 10 ++++++++++ 6 files changed, 44 insertions(+), 1 deletion(-) create mode 100644 tools/testing/selftests/arm64/fp/rdvl-sme.c diff --git a/tools/testing/selftests/arm64/fp/.gitignore b/tools/testing/selftests/arm64/fp/.gitignore index b67395903b9b..885dd592807b 100644 --- a/tools/testing/selftests/arm64/fp/.gitignore +++ b/tools/testing/selftests/arm64/fp/.gitignore @@ -1,4 +1,5 @@ fpsimd-test +rdvl-sme rdvl-sve sve-probe-vls sve-ptrace diff --git a/tools/testing/selftests/arm64/fp/Makefile b/tools/testing/selftests/arm64/fp/Makefile index 4367125b7c27..ff1c8fde3aed 100644 --- a/tools/testing/selftests/arm64/fp/Makefile +++ b/tools/testing/selftests/arm64/fp/Makefile @@ -3,7 +3,7 @@ CFLAGS += -I../../../../../usr/include/ TEST_GEN_PROGS := sve-ptrace sve-probe-vls vec-syscfg TEST_PROGS_EXTENDED := fpsimd-test fpsimd-stress \ - rdvl-sve \ + rdvl-sme rdvl-sve \ sve-test sve-stress \ vlset @@ -11,6 +11,7 @@ all: $(TEST_GEN_PROGS) $(TEST_PROGS_EXTENDED) fpsimd-test: fpsimd-test.o $(CC) -nostdlib $^ -o $@ +rdvl-sme: rdvl-sme.o rdvl.o rdvl-sve: rdvl-sve.o rdvl.o sve-ptrace: sve-ptrace.o sve-probe-vls: sve-probe-vls.o rdvl.o diff --git a/tools/testing/selftests/arm64/fp/rdvl-sme.c b/tools/testing/selftests/arm64/fp/rdvl-sme.c new file mode 100644 index 000000000000..49b0b2e08bac --- /dev/null +++ b/tools/testing/selftests/arm64/fp/rdvl-sme.c @@ -0,0 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include <stdio.h> + +#include "rdvl.h" + +int main(void) +{ + int vl = rdvl_sme(); + + printf("%d\n", vl); + + return 0; +} diff --git a/tools/testing/selftests/arm64/fp/rdvl.S b/tools/testing/selftests/arm64/fp/rdvl.S index c916c1c9defd..a9a028ba1b79 100644 --- a/tools/testing/selftests/arm64/fp/rdvl.S +++ b/tools/testing/selftests/arm64/fp/rdvl.S @@ -8,3 +8,19 @@ rdvl_sve: hint 34 // BTI C rdvl x0, #1 ret + +.globl rdvl_sme +rdvl_sme: + hint 34 // BTI C + + // Enter streaming mode + mov x16, #1 + msr S3_3_C4_C2_2, x16 + + rdvl x0, #1 + + // Leave streaming mode + mov x16, #0 + msr S3_3_C4_C2_2, x16 + + ret diff --git a/tools/testing/selftests/arm64/fp/rdvl.h b/tools/testing/selftests/arm64/fp/rdvl.h index 7c9d953fc9e7..5d323679fbc9 100644 --- a/tools/testing/selftests/arm64/fp/rdvl.h +++ b/tools/testing/selftests/arm64/fp/rdvl.h @@ -3,6 +3,7 @@ #ifndef RDVL_H #define RDVL_H +int rdvl_sme(void); int rdvl_sve(void); #endif diff --git a/tools/testing/selftests/arm64/fp/vec-syscfg.c b/tools/testing/selftests/arm64/fp/vec-syscfg.c index 272b888e018e..0b976eb1c1d1 100644 --- a/tools/testing/selftests/arm64/fp/vec-syscfg.c +++ b/tools/testing/selftests/arm64/fp/vec-syscfg.c @@ -53,6 +53,16 @@ static struct vec_data vec_data[] = { .prctl_set = PR_SVE_SET_VL, .default_vl_file = "/proc/sys/abi/sve_default_vector_length", }, + { + .name = "SME", + .hwcap_type = AT_HWCAP2, + .hwcap = HWCAP2_SME, + .rdvl = rdvl_sme, + .rdvl_binary = "./rdvl-sme", + .prctl_get = PR_SME_GET_VL, + .prctl_set = PR_SME_SET_VL, + .default_vl_file = "/proc/sys/abi/sme_default_vector_length", + }, }; static int stdio_read_integer(FILE *f, const char *what, int *val) -- 2.30.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-10-18 19:11 UTC|newest] Thread overview: 96+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-10-18 19:08 [PATCH v2 00/42] arm64/sme: Initial support for the Scalable Matrix Extension Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 01/42] arm64/fp: Reindent fpsimd_save() Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 02/42] arm64/sve: Remove sve_load_from_fpsimd_state() Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 03/42] arm64/sve: Make sve_state_size() static Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 04/42] arm64/sve: Make access to FFR optional Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-19 10:14 ` Will Deacon 2021-10-19 10:14 ` Will Deacon 2021-10-19 13:17 ` Mark Brown 2021-10-19 13:17 ` Mark Brown 2021-10-19 14:39 ` Mark Rutland 2021-10-19 14:39 ` Mark Rutland 2021-10-19 15:31 ` Mark Brown 2021-10-19 15:31 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 05/42] arm64/sve: Rename find_supported_vector_length() Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 06/42] arm64/sve: Use accessor functions for vector lengths in thread_struct Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 07/42] arm64/sve: Put system wide vector length information into structs Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 08/42] arm64/sve: Explicitly load vector length when restoring SVE state Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 09/42] arm64/sve: Track vector lengths for tasks in an array Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 10/42] arm64/sve: Make sysctl interface for SVE reusable by SME Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 11/42] arm64/sve: Generalise vector length configuration prctl() for SME Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 12/42] kselftest/arm64: Parameterise ptrace vector length information Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 13/42] kselftest/arm64: Allow signal tests to trigger from a function Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 14/42] tools/nolibc: Implement gettid() Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-19 5:06 ` Willy Tarreau 2021-10-19 5:06 ` Willy Tarreau 2021-10-18 19:08 ` [PATCH v2 15/42] arm64/sme: Provide ABI documentation for SME Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 16/42] arm64/sme: System register and exception syndrome definitions Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 17/42] arm64/sme: Define macros for manually encoding SME instructions Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 18/42] arm64/sme: Early CPU setup for SME Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 19/42] arm64/sme: Basic enumeration support Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 20/42] arm64/sme: Identify supported SME vector lengths at boot Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 21/42] arm64/sme: Implement sysctl to set the default vector length Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 22/42] arm64/sme: Implement vector length configuration prctl()s Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 23/42] arm64/sme: Implement support for TPIDR2 Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 24/42] arm64/sme: Implement SVCR context switching Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 25/42] arm64/sme: Implement streaming SVE " Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 26/42] arm64/sme: Implement ZA " Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 27/42] arm64/sme: Implement traps and syscall handling for SME Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 28/42] arm64/sme: Implement streaming SVE signal handling Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 29/42] arm64/sme: Implement ZA " Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 30/42] arm64/sme: Implement ptrace support for streaming mode SVE registers Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 31/42] arm64/sme: Add ptrace support for ZA Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 32/42] arm64/sme: Disable streaming mode and ZA when flushing CPU state Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 33/42] arm64/sme: Save and restore streaming mode over EFI runtime calls Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 34/42] arm64/sme: Provide Kconfig for SME Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 35/42] kselftest/arm64: sme: Add streaming SME support to vlset Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 36/42] kselftest/arm64: Add tests for TPIDR2 Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` Mark Brown [this message] 2021-10-18 19:08 ` [PATCH v2 37/42] kselftest/arm64: Extend vector configuration API tests to cover SME Mark Brown 2021-10-18 19:08 ` [PATCH v2 38/42] kselftest/arm64: sme: Provide streaming mode SVE stress test Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 39/42] kselftest/arm64: Add stress test for SME ZA context switching Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 40/42] kselftest/arm64: signal: Add SME signal handling tests Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 41/42] kselftest/arm64: Add streaming SVE to SVE ptrace tests Mark Brown 2021-10-18 19:08 ` Mark Brown 2021-10-18 19:08 ` [PATCH v2 42/42] kselftest/arm64: Add coverage for the ZA ptrace interface Mark Brown 2021-10-18 19:08 ` Mark Brown
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