[PATCH 02/11] arm64: Add syndrome information for trapped LD64B/ST64B{,V,V0}
Marc Zyngier
maz at kernel.org
Thu Aug 15 05:59:50 PDT 2024
Provide the architected EC and ISS values for all the FEAT_LS64*
instructions.
Signed-off-by: Marc Zyngier <maz at 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
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