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Revision 1.2, Mon Dec 5 21:19:08 2005 UTC (11 years, 10 months ago) by nathans.longdrop.melbourne.sgi.com
Branch: MAIN
CVS Tags: HEAD
Changes since 1.1: +2 -8 lines 

Merge up to 2.6.15-rc5.
Merge of 2.6.x-xfs-melb:linux:24672a by kenmcd.

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