# HG changeset patch # User Mike Pavone # Date 1357379711 28800 # Node ID 6748022656b7e662afaeef98804314e5c3a57b7c # Parent 69ac23d428974c0e790221243a8679d55a24eafa Implement more address modes for movem dst and fix a missing break statement in translate_m68k_dst diff -r 69ac23d42897 -r 6748022656b7 m68k_to_x86.c --- a/m68k_to_x86.c Sat Jan 05 01:32:40 2013 -0800 +++ b/m68k_to_x86.c Sat Jan 05 01:55:11 2013 -0800 @@ -507,6 +507,7 @@ } ea->mode = MODE_REG_DIRECT; ea->base = SCRATCH1; + break; case MODE_PC_DISPLACE: out = cycles(out, fake_read ? BUS+(inst->extra.size == OPSIZE_LONG ? BUS*2 : BUS) : BUS); out = mov_ir(out, inst->dst.params.regs.displacement + inst->address+2, fake_read ? SCRATCH2 : SCRATCH1, SZ_D); @@ -972,7 +973,7 @@ uint8_t * translate_m68k_movem(uint8_t * dst, m68kinst * inst, x86_68k_options * opts) { - int8_t bit,reg; + int8_t bit,reg,sec_reg; uint8_t early_cycles; if(inst->src.addr_mode == MODE_REG) { //reg to mem @@ -995,6 +996,100 @@ dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->dst)), SCRATCH2, SZ_D); } break; + case MODE_AREG_DISPLACE: + early_cycles += BUS; + reg = SCRATCH2; + if (opts->aregs[inst->dst.params.regs.pri] >= 0) { + dst = mov_rr(dst, opts->aregs[inst->dst.params.regs.pri], SCRATCH2, SZ_D); + } else { + dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->dst)), SCRATCH2, SZ_D); + } + dst = add_ir(dst, inst->dst.params.regs.displacement, SCRATCH2, SZ_D); + break; + case MODE_AREG_INDEX_DISP8: + early_cycles += 6; + if (opts->aregs[inst->dst.params.regs.pri] >= 0) { + dst = mov_rr(dst, opts->aregs[inst->dst.params.regs.pri], SCRATCH2, SZ_D); + } else { + dst = mov_rdisp8r(dst, CONTEXT, reg_offset(&(inst->dst)), SCRATCH2, SZ_D); + } + sec_reg = (inst->dst.params.regs.sec >> 1) & 0x7; + if (inst->dst.params.regs.sec & 1) { + if (inst->dst.params.regs.sec & 0x10) { + if (opts->aregs[sec_reg] >= 0) { + dst = add_rr(dst, opts->aregs[sec_reg], SCRATCH2, SZ_D); + } else { + dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_D); + } + } else { + if (opts->dregs[sec_reg] >= 0) { + dst = add_rr(dst, opts->dregs[sec_reg], SCRATCH2, SZ_D); + } else { + dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_D); + } + } + } else { + if (inst->dst.params.regs.sec & 0x10) { + if (opts->aregs[sec_reg] >= 0) { + dst = movsx_rr(dst, opts->aregs[sec_reg], SCRATCH1, SZ_W, SZ_D); + } else { + dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_W, SZ_D); + } + } else { + if (opts->dregs[sec_reg] >= 0) { + dst = movsx_rr(dst, opts->dregs[sec_reg], SCRATCH1, SZ_W, SZ_D); + } else { + dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_W, SZ_D); + } + } + dst = add_rr(dst, SCRATCH1, SCRATCH2, SZ_D); + } + if (inst->dst.params.regs.displacement) { + dst = add_ir(dst, inst->dst.params.regs.displacement, SCRATCH2, SZ_D); + } + break; + case MODE_PC_DISPLACE: + early_cycles += BUS; + dst = mov_ir(dst, inst->dst.params.regs.displacement + inst->address+2, SCRATCH2, SZ_D); + break; + case MODE_PC_INDEX_DISP8: + early_cycles += 6; + dst = mov_ir(dst, inst->address+2, SCRATCH2, SZ_D); + sec_reg = (inst->dst.params.regs.sec >> 1) & 0x7; + if (inst->dst.params.regs.sec & 1) { + if (inst->dst.params.regs.sec & 0x10) { + if (opts->aregs[sec_reg] >= 0) { + dst = add_rr(dst, opts->aregs[sec_reg], SCRATCH2, SZ_D); + } else { + dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_D); + } + } else { + if (opts->dregs[sec_reg] >= 0) { + dst = add_rr(dst, opts->dregs[sec_reg], SCRATCH2, SZ_D); + } else { + dst = add_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH2, SZ_D); + } + } + } else { + if (inst->dst.params.regs.sec & 0x10) { + if (opts->aregs[sec_reg] >= 0) { + dst = movsx_rr(dst, opts->aregs[sec_reg], SCRATCH1, SZ_W, SZ_D); + } else { + dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, aregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_W, SZ_D); + } + } else { + if (opts->dregs[sec_reg] >= 0) { + dst = movsx_rr(dst, opts->dregs[sec_reg], SCRATCH1, SZ_W, SZ_D); + } else { + dst = movsx_rdisp8r(dst, CONTEXT, offsetof(m68k_context, dregs) + sizeof(uint32_t)*sec_reg, SCRATCH1, SZ_W, SZ_D); + } + } + dst = add_rr(dst, SCRATCH1, SCRATCH2, SZ_D); + } + if (inst->dst.params.regs.displacement) { + dst = add_ir(dst, inst->dst.params.regs.displacement, SCRATCH2, SZ_D); + } + break; case MODE_ABSOLUTE: early_cycles += 4; case MODE_ABSOLUTE_SHORT: