[PATCH v20 10/14] KVM: selftests: arm64: Add GCS registers to get-reg-list
From: Mark Brown <broonie@kernel.org>
Date: 2026-09-01 21:51:12
Also in:
kvmarm, linux-doc, linux-kselftest, lkml
Subsystem:
kernel selftest framework, kernel virtual machine (kvm), kernel virtual machine for arm64 (kvm/arm64), the rest · Maintainers:
Shuah Khan, Shuah Khan, Paolo Bonzini, Marc Zyngier, Oliver Upton, Linus Torvalds
GCS adds new registers GCSCR_ELx, GCSCRE0_EL1 and GCSPR_ELx. Add these to those validated by get-reg-list. Reviewed-by: Thiago Jung Bauermann <redacted> Signed-off-by: Mark Brown <broonie@kernel.org> --- tools/testing/selftests/kvm/arm64/get-reg-list.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/tools/testing/selftests/kvm/arm64/get-reg-list.c b/tools/testing/selftests/kvm/arm64/get-reg-list.c
index 533994687b5d..5c1469153b6c 100644
--- a/tools/testing/selftests/kvm/arm64/get-reg-list.c
+++ b/tools/testing/selftests/kvm/arm64/get-reg-list.c@@ -42,6 +42,12 @@ struct feature_id_reg { static struct feature_id_reg feat_id_regs[] = { REG_FEAT(TCR2_EL1, ID_AA64MMFR3_EL1, TCRX, IMP), REG_FEAT(TCR2_EL2, ID_AA64MMFR3_EL1, TCRX, IMP), + REG_FEAT(GCSPR_EL0, ID_AA64PFR1_EL1, GCS, IMP), + REG_FEAT(GCSPR_EL1, ID_AA64PFR1_EL1, GCS, IMP), + REG_FEAT(GCSPR_EL2, ID_AA64PFR1_EL1, GCS, IMP), + REG_FEAT(GCSCRE0_EL1, ID_AA64PFR1_EL1, GCS, IMP), + REG_FEAT(GCSCR_EL1, ID_AA64PFR1_EL1, GCS, IMP), + REG_FEAT(GCSCR_EL2, ID_AA64PFR1_EL1, GCS, IMP), REG_FEAT(PIRE0_EL1, ID_AA64MMFR3_EL1, S1PIE, IMP), REG_FEAT(PIRE0_EL2, ID_AA64MMFR3_EL1, S1PIE, IMP), REG_FEAT(PIR_EL1, ID_AA64MMFR3_EL1, S1PIE, IMP),
@@ -503,6 +509,9 @@ static __u64 base_regs[] = { ARM64_SYS_REG(3, 0, 2, 0, 1), /* TTBR1_EL1 */ ARM64_SYS_REG(3, 0, 2, 0, 2), /* TCR_EL1 */ ARM64_SYS_REG(3, 0, 2, 0, 3), /* TCR2_EL1 */ + ARM64_SYS_REG(3, 0, 2, 5, 0), /* GCSCR_EL1 */ + ARM64_SYS_REG(3, 0, 2, 5, 1), /* GCSPR_EL1 */ + ARM64_SYS_REG(3, 0, 2, 5, 2), /* GCSCRE0_EL1 */ ARM64_SYS_REG(3, 0, 5, 1, 0), /* AFSR0_EL1 */ ARM64_SYS_REG(3, 0, 5, 1, 1), /* AFSR1_EL1 */ ARM64_SYS_REG(3, 0, 5, 2, 0), /* ESR_EL1 */
@@ -519,6 +528,7 @@ static __u64 base_regs[] = { ARM64_SYS_REG(3, 0, 13, 0, 4), /* TPIDR_EL1 */ ARM64_SYS_REG(3, 0, 14, 1, 0), /* CNTKCTL_EL1 */ ARM64_SYS_REG(3, 2, 0, 0, 0), /* CSSELR_EL1 */ + ARM64_SYS_REG(3, 3, 2, 5, 1), /* GCSPR_EL0 */ ARM64_SYS_REG(3, 3, 10, 2, 4), /* POR_EL0 */ ARM64_SYS_REG(3, 3, 13, 0, 2), /* TPIDR_EL0 */ ARM64_SYS_REG(3, 3, 13, 0, 3), /* TPIDRRO_EL0 */
@@ -740,6 +750,8 @@ static __u64 el2_regs[] = { SYS_REG(VTTBR_EL2), SYS_REG(VTCR_EL2), SYS_REG(VNCR_EL2), + SYS_REG(GCSPR_EL2), + SYS_REG(GCSCR_EL2), SYS_REG(HDFGRTR2_EL2), SYS_REG(HDFGWTR2_EL2), SYS_REG(HFGRTR2_EL2),
--
2.47.3