[PATCH v18 13/14] tools: Synchronise the kernel esr.h

Mark Brown <[email protected]> Mon, 03 Aug 2026 23:56:58 +0100
Newsgroups	org.kernel.vger.linux-kselftest,dev.linux.lists.kvmarm,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-doc,org.kernel.vger.linux-kernel
Message-ID	<[email protected]>
To pick up definitions for GCS.

Signed-off-by: Mark Brown <[email protected]>
---
 tools/arch/arm64/include/asm/esr.h | 113 +++++++++++++++++++++++++++++++++----
 1 file changed, 102 insertions(+), 11 deletions(-)

diff --git a/tools/arch/arm64/include/asm/esr.h b/tools/arch/arm64/include/asm/esr.h
index f3c6403e5ef2..24c6ebe3fd41 100644
--- a/tools/arch/arm64/include/asm/esr.h
+++ b/tools/arch/arm64/include/asm/esr.h
@@ -19,7 +19,8 @@
 #define ESR_ELx_EC_FP_ASIMD	UL(0x07)
 #define ESR_ELx_EC_CP10_ID	UL(0x08)	/* EL2 only */
 #define ESR_ELx_EC_PAC		UL(0x09)	/* EL2 and above */
-/* Unallocated EC: 0x0A - 0x0B */
+#define ESR_ELx_EC_OTHER	UL(0x0A)
+/* Unallocated EC: 0x0B */
 #define ESR_ELx_EC_CP14_64	UL(0x0C)
 #define ESR_ELx_EC_BTI		UL(0x0D)
 #define ESR_ELx_EC_ILL		UL(0x0E)
@@ -50,7 +51,8 @@
 #define ESR_ELx_EC_FP_EXC32	UL(0x28)
 /* Unallocated EC: 0x29 - 0x2B */
 #define ESR_ELx_EC_FP_EXC64	UL(0x2C)
-/* Unallocated EC: 0x2D - 0x2E */
+#define ESR_ELx_EC_GCS		UL(0x2D)
+/* Unallocated EC:  0x2E */
 #define ESR_ELx_EC_SERROR	UL(0x2F)
 #define ESR_ELx_EC_BREAKPT_LOW	UL(0x30)
 #define ESR_ELx_EC_BREAKPT_CUR	UL(0x31)
@@ -97,6 +99,8 @@
 #define ESR_ELx_AET_CE		(UL(6) << ESR_ELx_AET_SHIFT)
 
 /* Shared ISS field definitions for Data/Instruction aborts */
+#define ESR_ELx_VNCR_SHIFT	(13)
+#define ESR_ELx_VNCR		(UL(1) << ESR_ELx_VNCR_SHIFT)
 #define ESR_ELx_SET_SHIFT	(11)
 #define ESR_ELx_SET_MASK	(UL(3) << ESR_ELx_SET_SHIFT)
 #define ESR_ELx_FnV_SHIFT	(10)
@@ -119,6 +123,16 @@
 #define ESR_ELx_FSC_SEA_TTW(n)	(0x14 + (n))
 #define ESR_ELx_FSC_SECC	(0x18)
 #define ESR_ELx_FSC_SECC_TTW(n)	(0x1c + (n))
+#define ESR_ELx_FSC_EXCL_ATOMIC	(0x35)
+#define ESR_ELx_FSC_ADDRSZ	(0x00)
+
+/*
+ * Annoyingly, the negative levels for Address size faults aren't laid out
+ * contiguously (or in the desired order)
+ */
+#define ESR_ELx_FSC_ADDRSZ_nL(n)	((n) == -1 ? 0x25 : 0x2C)
+#define ESR_ELx_FSC_ADDRSZ_L(n)		((n) < 0 ? ESR_ELx_FSC_ADDRSZ_nL(n) : \
+						   (ESR_ELx_FSC_ADDRSZ + (n)))
 
 /* Status codes for individual page table levels */
 #define ESR_ELx_FSC_ACCESS_L(n)	(ESR_ELx_FSC_ACCESS + (n))
@@ -141,12 +155,12 @@
 #define ESR_ELx_SF 		(UL(1) << ESR_ELx_SF_SHIFT)
 #define ESR_ELx_AR_SHIFT	(14)
 #define ESR_ELx_AR 		(UL(1) << ESR_ELx_AR_SHIFT)
-#define ESR_ELx_VNCR_SHIFT	(13)
-#define ESR_ELx_VNCR		(UL(1) << ESR_ELx_VNCR_SHIFT)
 #define ESR_ELx_CM_SHIFT	(8)
 #define ESR_ELx_CM 		(UL(1) << ESR_ELx_CM_SHIFT)
 
 /* ISS2 field definitions for Data Aborts */
+#define ESR_ELx_HDBSSF_SHIFT	(11)
+#define ESR_ELx_HDBSSF		(UL(1) << ESR_ELx_HDBSSF_SHIFT)
 #define ESR_ELx_TnD_SHIFT	(10)
 #define ESR_ELx_TnD 		(UL(1) << ESR_ELx_TnD_SHIFT)
 #define ESR_ELx_TagAccess_SHIFT	(9)
@@ -161,8 +175,6 @@
 #define ESR_ELx_Xs_MASK		(GENMASK_ULL(4, 0))
 
 /* ISS field definitions for exceptions taken in to Hyp */
-#define ESR_ELx_FSC_ADDRSZ	(0x00)
-#define ESR_ELx_FSC_ADDRSZ_L(n)	(ESR_ELx_FSC_ADDRSZ + (n))
 #define ESR_ELx_CV		(UL(1) << 24)
 #define ESR_ELx_COND_SHIFT	(20)
 #define ESR_ELx_COND_MASK	(UL(0xF) << ESR_ELx_COND_SHIFT)
@@ -174,6 +186,13 @@
 #define ESR_ELx_WFx_ISS_WFE	(UL(1) << 0)
 #define ESR_ELx_xVC_IMM_MASK	((UL(1) << 16) - 1)
 
+/* ISS definitions for LD64B/ST64B/{T,P}SBCSYNC instructions */
+#define ESR_ELx_ISS_OTHER_ST64BV	(0)
+#define ESR_ELx_ISS_OTHER_ST64BV0	(1)
+#define ESR_ELx_ISS_OTHER_LDST64B	(2)
+#define ESR_ELx_ISS_OTHER_TSBCSYNC	(3)
+#define ESR_ELx_ISS_OTHER_PSBCSYNC	(4)
+
 #define DISR_EL1_IDS		(UL(1) << 24)
 /*
  * DISR_EL1 and ESR_ELx share the bottom 13 bits, but the RES0 bits may mean
@@ -371,12 +390,14 @@
 /*
  * ISS values for SME traps
  */
+#define ESR_ELx_SME_ISS_SMTC_MASK		GENMASK(2, 0)
+#define ESR_ELx_SME_ISS_SMTC(esr)		((esr) & ESR_ELx_SME_ISS_SMTC_MASK)
 
-#define ESR_ELx_SME_ISS_SME_DISABLED	0
-#define ESR_ELx_SME_ISS_ILL		1
-#define ESR_ELx_SME_ISS_SM_DISABLED	2
-#define ESR_ELx_SME_ISS_ZA_DISABLED	3
-#define ESR_ELx_SME_ISS_ZT_DISABLED	4
+#define ESR_ELx_SME_ISS_SMTC_SME_DISABLED	0
+#define ESR_ELx_SME_ISS_SMTC_ILL		1
+#define ESR_ELx_SME_ISS_SMTC_SM_DISABLED	2
+#define ESR_ELx_SME_ISS_SMTC_ZA_DISABLED	3
+#define ESR_ELx_SME_ISS_SMTC_ZT_DISABLED	4
 
 /* ISS field definitions for MOPS exceptions */
 #define ESR_ELx_MOPS_ISS_MEM_INST	(UL(1) << 24)
@@ -387,6 +408,31 @@
 #define ESR_ELx_MOPS_ISS_SRCREG(esr)	(((esr) & (UL(0x1f) << 5)) >> 5)
 #define ESR_ELx_MOPS_ISS_SIZEREG(esr)	(((esr) & (UL(0x1f) << 0)) >> 0)
 
+/* ISS field definitions for GCS */
+#define ESR_ELx_ExType_SHIFT	(20)
+#define ESR_ELx_ExType_MASK		GENMASK(23, 20)
+#define ESR_ELx_Raddr_SHIFT		(10)
+#define ESR_ELx_Raddr_MASK		GENMASK(14, 10)
+#define ESR_ELx_Rn_SHIFT		(5)
+#define ESR_ELx_Rn_MASK			GENMASK(9, 5)
+#define ESR_ELx_Rvalue_SHIFT		5
+#define ESR_ELx_Rvalue_MASK		GENMASK(9, 5)
+#define ESR_ELx_IT_SHIFT		(0)
+#define ESR_ELx_IT_MASK			GENMASK(4, 0)
+
+#define ESR_ELx_ExType_DATA_CHECK	0
+#define ESR_ELx_ExType_EXLOCK		1
+#define ESR_ELx_ExType_STR		2
+
+#define ESR_ELx_IT_RET			0
+#define ESR_ELx_IT_GCSPOPM		1
+#define ESR_ELx_IT_RET_KEYA		2
+#define ESR_ELx_IT_RET_KEYB		3
+#define ESR_ELx_IT_GCSSS1		4
+#define ESR_ELx_IT_GCSSS2		5
+#define ESR_ELx_IT_GCSPOPCX		6
+#define ESR_ELx_IT_GCSPOPX		7
+
 #ifndef __ASSEMBLER__
 #include <asm/types.h>
 
@@ -408,6 +454,11 @@ static inline bool esr_is_cfi_brk(unsigned long esr)
 	       (esr_brk_comment(esr) & ~CFI_BRK_IMM_MASK) == CFI_BRK_IMM_BASE;
 }
 
+static inline bool esr_is_ubsan_brk(unsigned long esr)
+{
+	return (esr_brk_comment(esr) & ~UBSAN_BRK_MASK) == UBSAN_BRK_IMM;
+}
+
 static inline bool esr_fsc_is_translation_fault(unsigned long esr)
 {
 	esr = esr & ESR_ELx_FSC;
@@ -439,6 +490,46 @@ static inline bool esr_fsc_is_access_flag_fault(unsigned long esr)
 	       (esr == ESR_ELx_FSC_ACCESS_L(0));
 }
 
+static inline bool esr_fsc_is_excl_atomic_fault(unsigned long esr)
+{
+	esr = esr & ESR_ELx_FSC;
+
+	return esr == ESR_ELx_FSC_EXCL_ATOMIC;
+}
+
+static inline bool esr_fsc_is_addr_sz_fault(unsigned long esr)
+{
+	esr &= ESR_ELx_FSC;
+
+	return (esr == ESR_ELx_FSC_ADDRSZ_L(3))	||
+	       (esr == ESR_ELx_FSC_ADDRSZ_L(2))	||
+	       (esr == ESR_ELx_FSC_ADDRSZ_L(1)) ||
+	       (esr == ESR_ELx_FSC_ADDRSZ_L(0))	||
+	       (esr == ESR_ELx_FSC_ADDRSZ_L(-1));
+}
+
+static inline bool esr_fsc_is_sea_ttw(unsigned long esr)
+{
+	esr = esr & ESR_ELx_FSC;
+
+	return (esr == ESR_ELx_FSC_SEA_TTW(3)) ||
+	       (esr == ESR_ELx_FSC_SEA_TTW(2)) ||
+	       (esr == ESR_ELx_FSC_SEA_TTW(1)) ||
+	       (esr == ESR_ELx_FSC_SEA_TTW(0)) ||
+	       (esr == ESR_ELx_FSC_SEA_TTW(-1));
+}
+
+static inline bool esr_fsc_is_secc_ttw(unsigned long esr)
+{
+	esr = esr & ESR_ELx_FSC;
+
+	return (esr == ESR_ELx_FSC_SECC_TTW(3)) ||
+	       (esr == ESR_ELx_FSC_SECC_TTW(2)) ||
+	       (esr == ESR_ELx_FSC_SECC_TTW(1)) ||
+	       (esr == ESR_ELx_FSC_SECC_TTW(0)) ||
+	       (esr == ESR_ELx_FSC_SECC_TTW(-1));
+}
+
 /* Indicate whether ESR.EC==0x1A is for an ERETAx instruction */
 static inline bool esr_iss_is_eretax(unsigned long esr)
 {

-- 
2.47.3