[linux-2.6-block.git] / arch / mips / math-emu / dsemul.h

extern int mips_dsemul(struct pt_regs *regs, mips_instruction ir, unsigned long cpc);
extern int do_dsemulret(struct pt_regs *xcp);

/* Instruction which will always cause an address error */
#define AdELOAD 0x8c000001	/* lw $0,1($0) */
/* Instruction which will plainly cause a CP1 exception when FPU is disabled */
#define CP1UNDEF 0x44400001    /* cfc1 $0,$0 undef  */

/* Instruction inserted following the badinst to further tag the sequence */
#define BD_COOKIE 0x0000bd36 /* tne $0,$0 with baggage */

/* Setup which instruction to use for trampoline */
#ifdef STANDALONE_EMULATOR
#define BADINST CP1UNDEF
#else
#define BADINST AdELOAD
#endif
Commit	Line	Data
333d1f67 RB	1	extern int mips_dsemul(struct pt_regs *regs, mips_instruction ir, unsigned long cpc);
333d1f67 RB	2	extern int do_dsemulret(struct pt_regs *xcp);
1da177e4 LT	3
	4	/* Instruction which will always cause an address error */
	5	#define AdELOAD 0x8c000001 /* lw $0,1($0) */
	6	/* Instruction which will plainly cause a CP1 exception when FPU is disabled */
	7	#define CP1UNDEF 0x44400001 /* cfc1 $0,$0 undef */
	8
	9	/* Instruction inserted following the badinst to further tag the sequence */
	10	#define BD_COOKIE 0x0000bd36 /* tne $0,$0 with baggage */
	11
	12	/* Setup which instruction to use for trampoline */
	13	#ifdef STANDALONE_EMULATOR
	14	#define BADINST CP1UNDEF
	15	#else
	16	#define BADINST AdELOAD
	17	#endif