diff options
Diffstat (limited to 'libpcsxcore/new_dynarec/assem_arm.c')
| -rw-r--r-- | libpcsxcore/new_dynarec/assem_arm.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/libpcsxcore/new_dynarec/assem_arm.c b/libpcsxcore/new_dynarec/assem_arm.c index 4065afa..a22c3c0 100644 --- a/libpcsxcore/new_dynarec/assem_arm.c +++ b/libpcsxcore/new_dynarec/assem_arm.c @@ -1003,6 +1003,15 @@ void emit_or_and_set_flags(int rs1,int rs2,int rt) output_w32(0xe1900000|rd_rn_rm(rt,rs1,rs2)); } +void emit_orrshr_imm(u_int rs,u_int imm,u_int rt) +{ + assert(rs<16); + assert(rt<16); + assert(imm<32); + assem_debug("orr %s,%s,%s,lsr #%d\n",regname[rt],regname[rt],regname[rs],imm); + output_w32(0xe1800020|rd_rn_rm(rt,rt,rs)|(imm<<7)); +} + void emit_xor(u_int rs1,u_int rs2,u_int rt) { assem_debug("eor %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]); @@ -3463,6 +3472,16 @@ void cop0_assemble(int i,struct regstat *i_regs) if((source[i]&0x3f)==0x08) // TLBP emit_call((int)TLBP); #endif +#ifdef PCSX + if((source[i]&0x3f)==0x10) // RFE + { + emit_readword((int)&Status,0); + emit_andimm(0,0x3c,1); + emit_andimm(0,~0xf,0); + emit_orrshr_imm(1,2,0); + emit_writeword(0,(int)&Status); + } +#else if((source[i]&0x3f)==0x18) // ERET { int count=ccadj[i]; @@ -3470,6 +3489,7 @@ void cop0_assemble(int i,struct regstat *i_regs) emit_addimm(HOST_CCREG,CLOCK_DIVIDER*count,HOST_CCREG); // TODO: Should there be an extra cycle here? emit_jmp((int)jump_eret); } +#endif } } |