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powerpc: New macros for transactional memory support

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This adds new macros for saving and restoring checkpointed architected state
from and to the thread_struct.

It also adds some debugging macros for when your brain explodes trying to debug
your transactional memory enabled kernel.

Signed-off-by: Matt Evans <matt@ozlabs.org>
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Michael Neuling
2013-02-13 16:21:32 +00:00
committed by Benjamin Herrenschmidt
parent f4c3aff223
commit 8b3c34cf0e
6 changed files with 134 additions and 0 deletions
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1
arch/powerpc/include/asm/processor.h
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@@ -152,6 +152,7 @@ typedef struct {
#define TS_FPROFFSET 0
#define TS_VSRLOWOFFSET 1
#define TS_FPR(i) fpr[i][TS_FPROFFSET]
#define TS_TRANS_FPR(i) transact_fpr[i][TS_FPROFFSET]
struct thread_struct {
unsigned long ksp; /* Kernel stack pointer */