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powerpc/book3e: store crit/mc/dbg exception thread info 

We need to store thread info to these exception thread info like something
we already did for PPC32.

Signed-off-by: Tiejun Chen <tiejun.chen@windriver.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
This commit is contained in:
Tiejun Chen 2013-10-23 17:31:22 +08:00 committed by Scott Wood
parent 160c732433
commit 19007b340d
1 changed files with 19 additions and 3 deletions
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22
arch/powerpc/kernel/exceptions-64e.S
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@ -36,6 +36,19 @@
*/ */
#define SPECIAL_EXC_FRAME_SIZE INT_FRAME_SIZE #define SPECIAL_EXC_FRAME_SIZE INT_FRAME_SIZE
/* Now we only store something to exception thread info */
#define EXC_LEVEL_EXCEPTION_PROLOG(type) \
ld r14,PACAKSAVE(r13); \
CURRENT_THREAD_INFO(r14, r14); \
CURRENT_THREAD_INFO(r15, r1); \
ld r10,TI_FLAGS(r14); \
std r10,TI_FLAGS(r15); \
ld r10,TI_PREEMPT(r14); \
std r10,TI_PREEMPT(r15); \
ld r10,TI_TASK(r14); \
std r10,TI_TASK(r15);
/* Exception prolog code for all exceptions */ /* Exception prolog code for all exceptions */
#define EXCEPTION_PROLOG(n, intnum, type, addition) \ #define EXCEPTION_PROLOG(n, intnum, type, addition) \
mtspr SPRN_SPRG_##type##_SCRATCH,r13; /* get spare registers */ \ mtspr SPRN_SPRG_##type##_SCRATCH,r13; /* get spare registers */ \
@ -69,19 +82,22 @@
#define CRIT_SET_KSTACK \ #define CRIT_SET_KSTACK \
ld r1,PACA_CRIT_STACK(r13); \ ld r1,PACA_CRIT_STACK(r13); \
subi r1,r1,SPECIAL_EXC_FRAME_SIZE; subi r1,r1,SPECIAL_EXC_FRAME_SIZE; \
EXC_LEVEL_EXCEPTION_PROLOG(CRIT);
#define SPRN_CRIT_SRR0 SPRN_CSRR0 #define SPRN_CRIT_SRR0 SPRN_CSRR0
#define SPRN_CRIT_SRR1 SPRN_CSRR1 #define SPRN_CRIT_SRR1 SPRN_CSRR1
#define DBG_SET_KSTACK \ #define DBG_SET_KSTACK \
ld r1,PACA_DBG_STACK(r13); \ ld r1,PACA_DBG_STACK(r13); \
subi r1,r1,SPECIAL_EXC_FRAME_SIZE; subi r1,r1,SPECIAL_EXC_FRAME_SIZE; \
EXC_LEVEL_EXCEPTION_PROLOG(DBG);
#define SPRN_DBG_SRR0 SPRN_DSRR0 #define SPRN_DBG_SRR0 SPRN_DSRR0
#define SPRN_DBG_SRR1 SPRN_DSRR1 #define SPRN_DBG_SRR1 SPRN_DSRR1
#define MC_SET_KSTACK \ #define MC_SET_KSTACK \
ld r1,PACA_MC_STACK(r13); \ ld r1,PACA_MC_STACK(r13); \
subi r1,r1,SPECIAL_EXC_FRAME_SIZE; subi r1,r1,SPECIAL_EXC_FRAME_SIZE; \
EXC_LEVEL_EXCEPTION_PROLOG(MC);
#define SPRN_MC_SRR0 SPRN_MCSRR0 #define SPRN_MC_SRR0 SPRN_MCSRR0
#define SPRN_MC_SRR1 SPRN_MCSRR1 #define SPRN_MC_SRR1 SPRN_MCSRR1