1extern int mips_dsemul(struct pt_regs *regs, mips_instruction ir, unsigned long cpc); 2extern int do_dsemulret(struct pt_regs *xcp); 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 18