From: Mark Brown <broonie@kernel.org>
To: Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Marc Zyngier <maz@kernel.org>,
Joey Gouly <joey.gouly@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Shuah Khan <shuah@kernel.org>, Oliver Upton <oupton@kernel.org>,
Fuad Tabba <fuad.tabba@linux.dev>
Cc: Peter Maydell <peter.maydell@linaro.org>,
Leonardo Bras <leo.bras@arm.com>,
Wei-Lin Chang <weilin.chang@arm.com>,
Yao Yuan <yaoyuan@linux.alibaba.com>,
linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org,
kvmarm@lists.linux.dev, linux-kselftest@vger.kernel.org,
linux-kernel@vger.kernel.org, Mark Brown <broonie@kernel.org>,
Thiago Jung Bauermann <thiago.bauermann@linaro.org>
Subject: [PATCH v21 11/15] KVM: selftests: arm64: Add GCS registers to get-reg-list
Date: Wed, 30 Sep 2026 22:48:21 +0100 [thread overview]
Message-ID: <20260930-arm64-gcs-v21-11-3556644cd927@kernel.org> (raw)
In-Reply-To: <20260930-arm64-gcs-v21-0-3556644cd927@kernel.org>
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 <thiago.bauermann@linaro.org>
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..b895d2ba387d 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(GCSCR_EL2),
+ SYS_REG(GCSPR_EL2),
SYS_REG(HDFGRTR2_EL2),
SYS_REG(HDFGWTR2_EL2),
SYS_REG(HFGRTR2_EL2),
--
2.47.3
next prev parent reply other threads:[~2026-09-30 21:49 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-30 21:48 [PATCH v21 00/15] KVM: arm64: Provide guest support for GCS Mark Brown
2026-09-30 21:48 ` [PATCH v21 01/15] arm64/gcs: Ensure FGTs for EL1 GCS instructions are disabled Mark Brown
2026-09-30 21:48 ` [PATCH v21 02/15] KVM: arm64: Refuse to start a guest with S1PIE or S1POE but not TCR2 Mark Brown
2026-09-30 22:05 ` sashiko-bot
2026-10-01 11:25 ` Lorenzo Stoakes (ARM)
2026-10-01 12:07 ` Mark Brown
2026-10-01 10:50 ` Lorenzo Stoakes (ARM)
2026-10-03 12:30 ` Marc Zyngier
2026-09-30 21:48 ` [PATCH v21 03/15] KVM: arm64: Manage GCS access and registers for guests Mark Brown
2026-10-01 11:28 ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 04/15] KVM: arm64: Ensure GCS memory effects are visible Mark Brown
2026-09-30 21:48 ` [PATCH v21 05/15] KVM: arm64: Set PSTATE.EXLOCK when entering an exception Mark Brown
2026-10-01 11:37 ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 06/15] KVM: arm64: Validate GCS exception lock when emulating ERET Mark Brown
2026-10-01 13:10 ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 07/15] KVM: arm64: Forward GCS exceptions to nested guests Mark Brown
2026-10-01 14:25 ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 08/15] KVM: arm64: Enforce EXLOCK for SPSR and ELR Mark Brown
2026-10-01 16:26 ` Lorenzo Stoakes (ARM)
2026-10-01 21:11 ` Mark Brown
2026-10-02 11:50 ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 09/15] KVM: arm64: Allow GCS to be enabled for guests Mark Brown
2026-10-01 16:29 ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 10/15] KVM: selftests: arm64: Check that invalid feature combinations are rejected Mark Brown
2026-10-01 16:35 ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` Mark Brown [this message]
2026-10-01 16:36 ` [PATCH v21 11/15] KVM: selftests: arm64: Add GCS registers to get-reg-list Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 12/15] KVM: selftests: arm64: Add GCS to set_id_regs Mark Brown
2026-10-01 16:38 ` Lorenzo Stoakes (ARM)
2026-10-01 18:14 ` Mark Brown
2026-10-02 11:27 ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 13/15] KVM: selftests: arm64: Only restore SPSR_EL1 and ELR_EL1 if they change Mark Brown
2026-10-01 16:41 ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 14/15] tools: Synchronise the kernel esr.h Mark Brown
2026-09-30 22:14 ` sashiko-bot
2026-10-01 16:47 ` Lorenzo Stoakes (ARM)
2026-10-01 17:27 ` Mark Brown
2026-10-02 11:31 ` Lorenzo Stoakes (ARM)
2026-09-30 21:48 ` [PATCH v21 15/15] KVM: selftests: arm64: Add GCS EXLOCK exception emulation test Mark Brown
2026-09-30 22:24 ` sashiko-bot
2026-10-01 16:53 ` Lorenzo Stoakes (ARM)
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