Commit a0f2eb64 authored by Mark Brown's avatar Mark Brown Committed by Catalin Marinas
Browse files

kselftest/arm64: Extend vector configuration API tests to cover SME 



Provide RDVL helpers for SME and extend the main vector configuration tests
to cover SME.

Signed-off-by: default avatarMark Brown <broonie@kernel.org>
Reviewed-by: default avatarShuah Khan <skhan@linuxfoundation.org>
Acked-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20220419112247.711548-32-broonie@kernel.org


Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent 30e3a42b

tools/testing/selftests/arm64/fp/.gitignore

+1 −0
Original line number Diff line number Diff line 
fp-pidbench

fpsimd-test

rdvl-sme

rdvl-sve

sve-probe-vls

sve-ptrace

tools/testing/selftests/arm64/fp/Makefile

+2 −1
Original line number Diff line number Diff line
@@ -3,7 +3,7 @@ 
CFLAGS += -I../../../../../usr/include/

TEST_GEN_PROGS := sve-ptrace sve-probe-vls vec-syscfg

TEST_PROGS_EXTENDED := fp-pidbench fpsimd-test fpsimd-stress \

	rdvl-sve \

	rdvl-sme rdvl-sve \

	sve-test sve-stress \

	vlset
@@ -13,6 +13,7 @@ fp-pidbench: fp-pidbench.S asm-utils.o 
	$(CC) -nostdlib $^ -o $@

fpsimd-test: fpsimd-test.o asm-utils.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

tools/testing/selftests/arm64/fp/rdvl-sme.c

0 → 100644
+14 −0
Original line number Diff line number Diff line 
// 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;

}

tools/testing/selftests/arm64/fp/rdvl.S

+10 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

// Copyright (C) 2021 ARM Limited.



#include "sme-inst.h"



.arch_extension sve



.globl rdvl_sve
@@ -8,3 +10,11 @@ rdvl_sve: 
	hint	34			// BTI C

	rdvl	x0, #1

	ret



.globl rdvl_sme

rdvl_sme:

	hint	34			// BTI C



	rdsvl	0, 1



	ret

tools/testing/selftests/arm64/fp/rdvl.h

+1 −0
Original line number Diff line number Diff line
@@ -3,6 +3,7 @@ 
#ifndef RDVL_H

#define RDVL_H



int rdvl_sme(void);

int rdvl_sve(void);



#endif