[PATCH v18 10/14] KVM: selftests: arm64: Add GCS registers to get-reg-list

Mark Brown <[email protected]> Mon, 03 Aug 2026 23:56:55 +0100
Newsgroups dev.linux.lists.kvmarm,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-doc,org.kernel.vger.linux-kernel,org.kernel.vger.linux-kselftest
Message-ID <[email protected]>
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 <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
---
 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 0a3a94c4cca1..6a93136d153f 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),
@@ -502,6 +508,9 @@ 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 */
@@ -518,6 +527,7 @@ 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 */
@@ -738,6 +748,8 @@ 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