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Commit 19007b34 authored by Tiejun Chen's avatar Tiejun Chen Committed by Scott Wood
Browse files

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: default avatarTiejun Chen <tiejun.chen@windriver.com>
Signed-off-by: default avatarScott Wood <scottwood@freescale.com>
parent 160c7324

arch/powerpc/kernel/exceptions-64e.S

+19 −3
Original line number Diff line number Diff line
@@ -36,6 +36,19 @@ 
 */

#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 */

#define EXCEPTION_PROLOG(n, intnum, type, addition)	    		    \

	mtspr	SPRN_SPRG_##type##_SCRATCH,r13;	/* get spare registers */   \
@@ -69,19 +82,22 @@ 


#define CRIT_SET_KSTACK						            \

	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_SRR1	SPRN_CSRR1



#define DBG_SET_KSTACK						            \

	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_SRR1	SPRN_DSRR1



#define MC_SET_KSTACK						            \

	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_SRR1	SPRN_MCSRR1