Commit b02a2c06 authored by Mark Brown's avatar Mark Brown Committed by Marc Zyngier
Browse files

KVM: arm64: selftests: Cover ID_AA64ISAR3_EL1 in set_id_regs 



We have a couple of writable bitfields in ID_AA64ISAR3_EL1 but the
set_id_regs selftest does not cover this register at all, add coverage.

Signed-off-by: default avatarMark Brown <broonie@kernel.org>
Reviewed-by: default avatarOliver Upton <oliver.upton@linux.dev>
Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
parent 5a070fc3

tools/testing/selftests/kvm/arm64/set_id_regs.c

+9 −0
Original line number Diff line number Diff line
@@ -123,6 +123,13 @@ static const struct reg_ftr_bits ftr_id_aa64isar2_el1[] = { 
	REG_FTR_END,

};



static const struct reg_ftr_bits ftr_id_aa64isar3_el1[] = {

	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64ISAR3_EL1, FPRCVT, 0),

	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64ISAR3_EL1, LSFE, 0),

	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64ISAR3_EL1, FAMINMAX, 0),

	REG_FTR_END,

};



static const struct reg_ftr_bits ftr_id_aa64pfr0_el1[] = {

	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64PFR0_EL1, CSV3, 0),

	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64PFR0_EL1, CSV2, 0),
@@ -219,6 +226,7 @@ static struct test_feature_reg test_regs[] = { 
	TEST_REG(SYS_ID_AA64ISAR0_EL1, ftr_id_aa64isar0_el1),

	TEST_REG(SYS_ID_AA64ISAR1_EL1, ftr_id_aa64isar1_el1),

	TEST_REG(SYS_ID_AA64ISAR2_EL1, ftr_id_aa64isar2_el1),

	TEST_REG(SYS_ID_AA64ISAR3_EL1, ftr_id_aa64isar3_el1),

	TEST_REG(SYS_ID_AA64PFR0_EL1, ftr_id_aa64pfr0_el1),

	TEST_REG(SYS_ID_AA64PFR1_EL1, ftr_id_aa64pfr1_el1),

	TEST_REG(SYS_ID_AA64MMFR0_EL1, ftr_id_aa64mmfr0_el1),
@@ -237,6 +245,7 @@ static void guest_code(void) 
	GUEST_REG_SYNC(SYS_ID_AA64ISAR0_EL1);

	GUEST_REG_SYNC(SYS_ID_AA64ISAR1_EL1);

	GUEST_REG_SYNC(SYS_ID_AA64ISAR2_EL1);

	GUEST_REG_SYNC(SYS_ID_AA64ISAR3_EL1);

	GUEST_REG_SYNC(SYS_ID_AA64PFR0_EL1);

	GUEST_REG_SYNC(SYS_ID_AA64MMFR0_EL1);

	GUEST_REG_SYNC(SYS_ID_AA64MMFR1_EL1);