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-rw-r--r--arch/arm64/include/asm/esr.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/esr.h b/arch/arm64/include/asm/esr.h
index 7abf09df7033..77569d207ecf 100644
--- a/arch/arm64/include/asm/esr.h
+++ b/arch/arm64/include/asm/esr.h
@@ -379,6 +379,11 @@
#ifndef __ASSEMBLY__
#include <asm/types.h>
+static inline unsigned long esr_brk_comment(unsigned long esr)
+{
+ return esr & ESR_ELx_BRK64_ISS_COMMENT_MASK;
+}
+
static inline bool esr_is_data_abort(unsigned long esr)
{
const unsigned long ec = ESR_ELx_EC(esr);
@@ -386,6 +391,12 @@ static inline bool esr_is_data_abort(unsigned long esr)
return ec == ESR_ELx_EC_DABT_LOW || ec == ESR_ELx_EC_DABT_CUR;
}
+static inline bool esr_is_cfi_brk(unsigned long esr)
+{
+ return ESR_ELx_EC(esr) == ESR_ELx_EC_BRK64 &&
+ (esr_brk_comment(esr) & ~CFI_BRK_IMM_MASK) == CFI_BRK_IMM_BASE;
+}
+
static inline bool esr_fsc_is_translation_fault(unsigned long esr)
{
/* Translation fault, level -1 */