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Diffstat (limited to 'arch/arc/kernel/entry-arcv2.S')
| -rw-r--r-- | arch/arc/kernel/entry-arcv2.S | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arc/kernel/entry-arcv2.S b/arch/arc/kernel/entry-arcv2.S index 445e63a10754..cbfec79137bf 100644 --- a/arch/arc/kernel/entry-arcv2.S +++ b/arch/arc/kernel/entry-arcv2.S @@ -91,6 +91,25 @@ ENTRY(EV_DCError) flag 1 END(EV_DCError) +; --------------------------------------------- +; Memory Error Exception Handler +; - Unlike ARCompact, handles Bus errors for both User/Kernel mode, +; Instruction fetch or Data access, under a single Exception Vector +; --------------------------------------------- + +ENTRY(mem_service) + + EXCEPTION_PROLOGUE + + lr r0, [efa] + mov r1, sp + + FAKE_RET_FROM_EXCPN + + bl do_memory_error + b ret_from_exception +END(mem_service) + ENTRY(EV_Misaligned) EXCEPTION_PROLOGUE |