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authorRobin Getz <rgetz@blackfin.uclinux.org>2008-10-08 10:43:47 +0400
committerBryan Wu <cooloney@kernel.org>2008-10-08 10:43:47 +0400
commit5c64e0d5109532f8184be29c1dc163059e3ded4b (patch)
treeb39ae82bbdc99dba134c48c00e16d949ef742541 /arch/blackfin/include
parentaca5e4aac88a0ee84e9dc63e3d4189adbaef24ca (diff)
downloadlinux-5c64e0d5109532f8184be29c1dc163059e3ded4b.tar.xz
Blackfin arch: Better error handling of unknown exceptions
Better error handling of unknown exceptions, allows userspace to do a EXCPT n instruction for a not installed exception handler, and the kernel doesn't crash (like it use to before this). Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'arch/blackfin/include')
-rw-r--r--arch/blackfin/include/asm/traps.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/blackfin/include/asm/traps.h b/arch/blackfin/include/asm/traps.h
index f0e5f940d9ca..34f7295fb070 100644
--- a/arch/blackfin/include/asm/traps.h
+++ b/arch/blackfin/include/asm/traps.h
@@ -59,6 +59,9 @@
level " or a 16-bit register is accessed with a 32-bit instruction.\n"
#define HWC_x3(level) \
"External Memory Addressing Error\n"
+#define EXC_0x04(level) \
+ "Unimplmented exception occured\n" \
+ level " - Maybe you forgot to install a custom exception handler?\n"
#define HWC_x12(level) \
"Performance Monitor Overflow\n"
#define HWC_x18(level) \
@@ -84,7 +87,7 @@
level " a particular processor implementation.\n"
#define EXC_0x22(level) \
"Illegal instruction combination\n" \
- level " - See section for multi-issue rules in the ADSP-BF53x Blackfin\n" \
+ level " - See section for multi-issue rules in the Blackfin\n" \
level " Processor Instruction Set Reference.\n"
#define EXC_0x23(level) \
"Data access CPLB protection violation\n" \