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| author |   Michael Hennerich <michael.hennerich@analog.com> | 2007-05-21 18:09:09 +0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-21 09:50:21 -0700 |
| commit | 8af10b79877ff5dfd5c7b1928d57cf38483e819d (patch) | |
| tree | 764cb92a90fd2853044a9edb1c1eb575b0bce6ed /arch/blackfin/mach-common | |
| parent | Detach sched.h from mm.h (diff) | |
| download | linux-dev-8af10b79877ff5dfd5c7b1928d57cf38483e819d.tar.xz linux-dev-8af10b79877ff5dfd5c7b1928d57cf38483e819d.zip | |
Blackfin arch: Add Workaround for ANOMALY 05000257
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/blackfin/mach-common')
| -rw-r--r-- | arch/blackfin/mach-common/entry.S | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S index 8eb0a9023482..e463733f5c77 100644 --- a/arch/blackfin/mach-common/entry.S +++ b/arch/blackfin/mach-common/entry.S @@ -181,6 +181,12 @@ ENTRY(_ex_single_step) _return_from_exception: DEBUG_START_HWTRACE +#ifdef ANOMALY_05000257 + R7=LC0; + LC0=R7; + R7=LC1; + LC1=R7; +#endif (R7:6,P5:4) = [sp++]; ASTAT = [sp++]; sp = retn; |