From: Marc Zyngier <maz@kernel.org>
To: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
kvm@vger.kernel.org
Cc: James Morse <james.morse@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Oliver Upton <oliver.upton@linux.dev>,
Zenghui Yu <yuzenghui@huawei.com>
Subject: [PATCH 02/11] arm64: Add syndrome information for trapped LD64B/ST64B{,V,V0}
Date: Thu, 15 Aug 2024 13:59:50 +0100 [thread overview]
Message-ID: <20240815125959.2097734-3-maz@kernel.org> (raw)
In-Reply-To: <20240815125959.2097734-1-maz@kernel.org>
Provide the architected EC and ISS values for all the FEAT_LS64*
instructions.
Signed-off-by: Marc Zyngier <maz@kernel.org>
---
arch/arm64/include/asm/esr.h | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/include/asm/esr.h b/arch/arm64/include/asm/esr.h
index 56c148890daf..4a76883616ab 100644
--- a/arch/arm64/include/asm/esr.h
+++ b/arch/arm64/include/asm/esr.h
@@ -20,7 +20,8 @@
#define ESR_ELx_EC_FP_ASIMD (0x07)
#define ESR_ELx_EC_CP10_ID (0x08) /* EL2 only */
#define ESR_ELx_EC_PAC (0x09) /* EL2 and above */
-/* Unallocated EC: 0x0A - 0x0B */
+#define ESR_ELx_EC_LS64B (0x0A)
+/* Unallocated EC: 0x0B */
#define ESR_ELx_EC_CP14_64 (0x0C)
#define ESR_ELx_EC_BTI (0x0D)
#define ESR_ELx_EC_ILL (0x0E)
@@ -172,6 +173,11 @@
#define ESR_ELx_WFx_ISS_WFE (UL(1) << 0)
#define ESR_ELx_xVC_IMM_MASK ((UL(1) << 16) - 1)
+/* ISS definitions for LD64B/ST64B instructions */
+#define ESR_ELx_ISS_ST64BV (0)
+#define ESR_ELx_ISS_ST64BV0 (1)
+#define ESR_ELx_ISS_LDST64B (2)
+
#define DISR_EL1_IDS (UL(1) << 24)
/*
* DISR_EL1 and ESR_ELx share the bottom 13 bits, but the RES0 bits may mean
--
2.39.2
next prev parent reply other threads:[~2024-08-15 13:00 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-15 12:59 [PATCH 00/11] KVM: arm64: Add support for FEAT_LS64 and co Marc Zyngier
2024-08-15 12:59 ` [PATCH 01/11] arm64: Expose ID_AA64ISAR1_EL1.XS to sanitised feature consumers Marc Zyngier
2024-08-15 12:59 ` Marc Zyngier [this message]
2024-08-15 12:59 ` [PATCH 03/11] KVM: arm64: Add ACCDATA_EL1 to the sysreg array Marc Zyngier
2024-08-15 12:59 ` [PATCH 04/11] KVM: arm64: Add context-switch of ACCDATA_EL1 Marc Zyngier
2024-08-15 12:59 ` [PATCH 05/11] KVM: arm64: Handle trapping of FEAT_LS64* instructions Marc Zyngier
2024-08-15 12:59 ` [PATCH 06/11] KVM: arm64: Add exit to userspace on {LD,ST}64B* outside of memslots Marc Zyngier
2024-08-15 12:59 ` [PATCH 07/11] KVM: arm64: Restrict ACCDATA_EL1 undef to FEAT_ST64_ACCDATA being disabled Marc Zyngier
2024-08-15 12:59 ` [PATCH 08/11] KVM: arm64: Conditionnaly enable FEAT_LS64* instructions Marc Zyngier
2024-08-15 12:59 ` [PATCH 09/11] KVM: arm64: nv: Expose FEAT_LS64* to a nested guest Marc Zyngier
2024-08-15 12:59 ` [PATCH 10/11] arm64: Expose ID_AA64ISAR1_EL1.LS64 to sanitised feature consumers Marc Zyngier
2024-08-15 12:59 ` [PATCH 11/11] KVM: arm64: Add documentation for KVM_EXIT_ARM_LDST64B Marc Zyngier
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