diff options
Diffstat (limited to 'arch/arc/include/asm/entry-arcv2.h')
| -rw-r--r-- | arch/arc/include/asm/entry-arcv2.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/arc/include/asm/entry-arcv2.h b/arch/arc/include/asm/entry-arcv2.h index a38ed505b3de..11b48ab39154 100644 --- a/arch/arc/include/asm/entry-arcv2.h +++ b/arch/arc/include/asm/entry-arcv2.h @@ -75,7 +75,7 @@ .endm /*------------------------------------------------------------------------*/ -.macro EXCEPTION_PROLOGUE +.macro EXCEPTION_PROLOGUE_KEEP_AE ; Before jumping to Exception Vector, hardware micro-ops did following: ; 1. SP auto-switched to kernel mode stack @@ -104,6 +104,16 @@ ; OUTPUT: r10 has ECR expected by EV_Trap .endm +.macro EXCEPTION_PROLOGUE + + EXCEPTION_PROLOGUE_KEEP_AE ; return ECR in r10 + + lr r0, [efa] + mov r1, sp + + FAKE_RET_FROM_EXCPN ; clobbers r9 +.endm + /*------------------------------------------------------------------------ * This macro saves the registers manually which would normally be autosaved * by hardware on taken interrupts. It is used by |