diff options
| author | Mihai Caraman <mihai.caraman@freescale.com> | 2012-08-06 03:27:04 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2012-09-05 15:35:43 +1000 |
| commit | 5473eb1c07009956be5f4df65d51f8e24d8eb1de (patch) | |
| tree | 69ca3a9ea3aee261bc1db482d63ed82b34df5bdd /arch/powerpc/include/asm/reg.h | |
| parent | a1310757218e0757ee77d2ce05c43028430ed9dd (diff) | |
powerpc/booke64: Use GSRR registers in Guest Doorbell interrupts
Guest Doorbell interrupts use guest save and restore registers. Add a new
Guest Doorbell exception type to accommodate GSRR0/1 SPRs usage in exception
prolog and fix the exception handler.
Signed-off-by: Mihai Caraman <mihai.caraman@freescale.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm/reg.h')
| -rw-r--r-- | arch/powerpc/include/asm/reg.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index 43bb15fc899b..c195bf0e6241 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -863,6 +863,7 @@ #define SPRN_SPRG_TLB_EXFRAME SPRN_SPRG2 #define SPRN_SPRG_TLB_SCRATCH SPRN_SPRG6 #define SPRN_SPRG_GEN_SCRATCH SPRN_SPRG0 +#define SPRN_SPRG_GDBELL_SCRATCH SPRN_SPRG_GEN_SCRATCH #define SET_PACA(rX) mtspr SPRN_SPRG_PACA,rX #define GET_PACA(rX) mfspr rX,SPRN_SPRG_PACA |