1 typedef long gpreg_t; 2 typedef void *vaddr_t; 3 4 #define REG_TO_VA (vaddr_t) 5 #define VA_TO_REG (gpreg_t) 6 7 int mips_dsemul(struct pt_regs *regs, mips_instruction ir, gpreg_t cpc); 8 int do_dsemulret(struct pt_regs *xcp); 9 10 /* Instruction which will always cause an address error */ 11 #define AdELOAD 0x8c000001 /* lw $0,1($0) */ 12 /* Instruction which will plainly cause a CP1 exception when FPU is disabled */ 13 #define CP1UNDEF 0x44400001 /* cfc1 $0,$0 undef */ 14 15 /* Instruction inserted following the badinst to further tag the sequence */ 16 #define BD_COOKIE 0x0000bd36 /* tne $0,$0 with baggage */ 17 18 /* Setup which instruction to use for trampoline */ 19 #ifdef STANDALONE_EMULATOR 20 #define BADINST CP1UNDEF 21 #else 22 #define BADINST AdELOAD 23 #endif 24