X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=arch%2Farc%2Fkernel%2Fentry-arcv2.S;h=cbfec79137bf77735fa675d0eb2be57da217ba63;hb=7c916e1ef6a6da802e2856b78dd5c15caa86ba6e;hp=445e63a10754fbdb0be82663af03f489282cfce5;hpb=f5a8160c1e055c0fd8d16a5b3ac97c638365b0db;p=karo-tx-linux.git

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