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| author | Bernd Schmidt <bernds_cb1@t-online.de> | 2008-05-07 11:41:26 +0800 |
|---|---|---|
| committer | Bryan Wu <cooloney@kernel.org> | 2008-05-07 11:41:26 +0800 |
| commit | ddb3f00ca0897f585128a6cca229eeb9d91fa6ef (patch) | |
| tree | 2896a0dc2639bf13338fa451471d8509bf94c88b | |
| parent | 1bfb4b21c7c39295f5535c139f796df1d51ec009 (diff) | |
| download | linux-ddb3f00ca0897f585128a6cca229eeb9d91fa6ef.tar.gz linux-ddb3f00ca0897f585128a6cca229eeb9d91fa6ef.tar.bz2 linux-ddb3f00ca0897f585128a6cca229eeb9d91fa6ef.zip | |
[Blackfin] arch: In the double fault handler, set up the PT_RETI slot
In the double fault handler, set up the PT_RETI slot so that
we print out the correct return address in the dumping code.
Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
| -rw-r--r-- | arch/blackfin/mach-common/entry.S | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S index f2fb87e9a46e..7365a17a6a81 100644 --- a/arch/blackfin/mach-common/entry.S +++ b/arch/blackfin/mach-common/entry.S @@ -295,6 +295,11 @@ ENTRY(_double_fault) */ SAVE_ALL_SYS + /* The dumping functions expect the return address in the RETI + * slot. */ + r6 = retx; + [sp + PT_PC] = r6; + r0 = sp; /* stack frame pt_regs pointer argument ==> r0 */ SP += -12; call _double_fault_c; |