From 15560657358539aafcac027445f1f34c29a889a6 Mon Sep 17 00:00:00 2001 From: Kristina Martsenko Date: Fri, 7 Dec 2018 18:39:19 +0000 Subject: arm64: add comments about EC exception levels To make it clear which exceptions can't be taken to EL1 or EL2, add comments next to the ESR_ELx_EC_* macro definitions. Reviewed-by: Richard Henderson Signed-off-by: Kristina Martsenko Signed-off-by: Will Deacon --- arch/arm64/include/asm/esr.h | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) (limited to 'arch/arm64/include/asm/esr.h') diff --git a/arch/arm64/include/asm/esr.h b/arch/arm64/include/asm/esr.h index 676de2ec1762..23602a0083ad 100644 --- a/arch/arm64/include/asm/esr.h +++ b/arch/arm64/include/asm/esr.h @@ -29,23 +29,23 @@ #define ESR_ELx_EC_CP14_MR (0x05) #define ESR_ELx_EC_CP14_LS (0x06) #define ESR_ELx_EC_FP_ASIMD (0x07) -#define ESR_ELx_EC_CP10_ID (0x08) +#define ESR_ELx_EC_CP10_ID (0x08) /* EL2 only */ /* Unallocated EC: 0x09 - 0x0B */ #define ESR_ELx_EC_CP14_64 (0x0C) /* Unallocated EC: 0x0d */ #define ESR_ELx_EC_ILL (0x0E) /* Unallocated EC: 0x0F - 0x10 */ #define ESR_ELx_EC_SVC32 (0x11) -#define ESR_ELx_EC_HVC32 (0x12) -#define ESR_ELx_EC_SMC32 (0x13) +#define ESR_ELx_EC_HVC32 (0x12) /* EL2 only */ +#define ESR_ELx_EC_SMC32 (0x13) /* EL2 and above */ /* Unallocated EC: 0x14 */ #define ESR_ELx_EC_SVC64 (0x15) -#define ESR_ELx_EC_HVC64 (0x16) -#define ESR_ELx_EC_SMC64 (0x17) +#define ESR_ELx_EC_HVC64 (0x16) /* EL2 and above */ +#define ESR_ELx_EC_SMC64 (0x17) /* EL2 and above */ #define ESR_ELx_EC_SYS64 (0x18) #define ESR_ELx_EC_SVE (0x19) /* Unallocated EC: 0x1A - 0x1E */ -#define ESR_ELx_EC_IMP_DEF (0x1f) +#define ESR_ELx_EC_IMP_DEF (0x1f) /* EL3 only */ #define ESR_ELx_EC_IABT_LOW (0x20) #define ESR_ELx_EC_IABT_CUR (0x21) #define ESR_ELx_EC_PC_ALIGN (0x22) @@ -68,7 +68,7 @@ /* Unallocated EC: 0x36 - 0x37 */ #define ESR_ELx_EC_BKPT32 (0x38) /* Unallocated EC: 0x39 */ -#define ESR_ELx_EC_VECTOR32 (0x3A) +#define ESR_ELx_EC_VECTOR32 (0x3A) /* EL2 only */ /* Unallocted EC: 0x3B */ #define ESR_ELx_EC_BRK64 (0x3C) /* Unallocated EC: 0x3D - 0x3F */ -- cgit v1.2.3