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Diffstat (limited to 'arch/sh/kernel/cpu/sh3/entry.S')
-rw-r--r--arch/sh/kernel/cpu/sh3/entry.S19
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S
index b0b59d4a33c..d8e122971c3 100644
--- a/arch/sh/kernel/cpu/sh3/entry.S
+++ b/arch/sh/kernel/cpu/sh3/entry.S
@@ -340,8 +340,27 @@ ENTRY(vbr_base)
general_exception:
mov.l 1f, k2
mov.l 2f, k3
+#ifdef CONFIG_CPU_SUBTYPE_SHX3
+ mov.l @k2, k2
+
+ ! Is EXPEVT larger than 0x800?
+ mov #0x8, k0
+ shll8 k0
+ cmp/hs k0, k2
+ bf 0f
+
+ ! then add 0x580 (k2 is 0xd80 or 0xda0)
+ mov #0x58, k0
+ shll2 k0
+ shll2 k0
+ add k0, k2
+0:
+ bra handle_exception
+ nop
+#else
bra handle_exception
mov.l @k2, k2
+#endif
.align 2
1: .long EXPEVT
2: .long ret_from_exception