Commit b2d2f11f authored by Mark Brown's avatar Mark Brown Committed by Catalin Marinas
Browse files

kselftest/arm64: Add GCS as a detected feature in the signal tests 



In preparation for testing GCS related signal handling add it as a feature
we check for in the signal handling support code.

Reviewed-by: default avatarThiago Jung Bauermann <thiago.bauermann@linaro.org>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20241001-arm64-gcs-v13-30-222b78d87eee@kernel.org


Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent 7a2f671d

tools/testing/selftests/arm64/signal/test_signals.h

+2 −0
Original line number Diff line number Diff line
@@ -35,6 +35,7 @@ enum { 
	FSME_BIT,

	FSME_FA64_BIT,

	FSME2_BIT,

	FGCS_BIT,

	FMAX_END

};
@@ -43,6 +44,7 @@ enum { 
#define FEAT_SME		(1UL << FSME_BIT)

#define FEAT_SME_FA64		(1UL << FSME_FA64_BIT)

#define FEAT_SME2		(1UL << FSME2_BIT)

#define FEAT_GCS		(1UL << FGCS_BIT)



/*

 * A descriptor used to describe and configure a test case.

tools/testing/selftests/arm64/signal/test_signals_utils.c

+3 −0
Original line number Diff line number Diff line
@@ -30,6 +30,7 @@ static char const *const feats_names[FMAX_END] = { 
	" SME ",

	" FA64 ",

	" SME2 ",

	" GCS ",

};



#define MAX_FEATS_SZ	128
@@ -329,6 +330,8 @@ int test_init(struct tdescr *td) 
			td->feats_supported |= FEAT_SME_FA64;

		if (getauxval(AT_HWCAP2) & HWCAP2_SME2)

			td->feats_supported |= FEAT_SME2;

		if (getauxval(AT_HWCAP) & HWCAP_GCS)

			td->feats_supported |= FEAT_GCS;

		if (feats_ok(td)) {

			if (td->feats_required & td->feats_supported)

				fprintf(stderr,