X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-linux.git;a=blobdiff_plain;f=arch%2Farc%2Fkernel%2Fentry-arcv2.S;h=cbfec79137bf77735fa675d0eb2be57da217ba63;hp=8fa76567e40299e0449b01d4d6dae6e7b8918807;hb=1b3f6228d202d0131a51cb7a7963f6d7635187ad;hpb=064ca93f7ab927c2752d86fc5727716e340d737c

diff --git a/arch/arc/kernel/entry-arcv2.S b/arch/arc/kernel/entry-arcv2.S
index 8fa76567e402..cbfec79137bf 100644
--- a/arch/arc/kernel/entry-arcv2.S
+++ b/arch/arc/kernel/entry-arcv2.S
@@ -24,7 +24,7 @@
 	.align 4
 
 # Initial 16 slots are Exception Vectors
-VECTOR	stext			; Restart Vector (jump to entry point)
+VECTOR	res_service		; Reset Vector
 VECTOR	mem_service		; Mem exception
 VECTOR	instr_service		; Instrn Error
 VECTOR	EV_MachineCheck		; Fatal Machine check
@@ -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