/* opcode=0xd8 */ void x86emuOp_esc_coprocess_d8(u8 X86EMU_UNUSED(op1)) { START_OF_INSTR(); DECODE_PRINTF("ESC D8\n"); DECODE_CLEAR_SEGOVR(); END_OF_INSTR_NO_TRACE(); }
/* opcode=0xd9 */ void x86emuOp_esc_coprocess_d9(u8 X86EMU_UNUSED(op1)) { int mod, rl, rh; uint destoffset = 0; u8 stkelem = 0; START_OF_INSTR(); FETCH_DECODE_MODRM(mod, rh, rl); #ifdef DEBUG if (mod != 3) { DECODE_PRINTINSTR32(x86emu_fpu_op_d9_tab, mod, rh, rl); } else { DECODE_PRINTF(x86emu_fpu_op_d9_tab1[(rh << 3) + rl]); } #endif switch (mod) { case 0: destoffset = decode_rm00_address(rl); DECODE_PRINTF("\n"); break; case 1: destoffset = decode_rm01_address(rl); DECODE_PRINTF("\n"); break; case 2: destoffset = decode_rm10_address(rl); DECODE_PRINTF("\n"); break; case 3: /* register to register */ stkelem = (u8)rl; if (rh < 4) { DECODE_PRINTF2("ST(%d)\n", stkelem); } else { DECODE_PRINTF("\n"); } break; } #ifdef X86EMU_FPU_PRESENT /* execute */ switch (mod) { case 3: switch (rh) { case 0: x86emu_fpu_R_fld(X86EMU_FPU_STKTOP, stkelem); break; case 1: x86emu_fpu_R_fxch(X86EMU_FPU_STKTOP, stkelem); break; case 2: switch (rl) { case 0: x86emu_fpu_R_nop(); break; default: x86emu_fpu_illegal(); break; } case 3: x86emu_fpu_R_fstp(X86EMU_FPU_STKTOP, stkelem); break; case 4: switch (rl) { case 0: x86emu_fpu_R_fchs(X86EMU_FPU_STKTOP); break; case 1: x86emu_fpu_R_fabs(X86EMU_FPU_STKTOP); break; case 4: x86emu_fpu_R_ftst(X86EMU_FPU_STKTOP); break; case 5: x86emu_fpu_R_fxam(X86EMU_FPU_STKTOP); break; default: /* 2,3,6,7 */ x86emu_fpu_illegal(); break; } break; case 5: switch (rl) { case 0: x86emu_fpu_R_fld1(X86EMU_FPU_STKTOP); break; case 1: x86emu_fpu_R_fldl2t(X86EMU_FPU_STKTOP); break; case 2: x86emu_fpu_R_fldl2e(X86EMU_FPU_STKTOP); break; case 3: x86emu_fpu_R_fldpi(X86EMU_FPU_STKTOP); break; case 4: x86emu_fpu_R_fldlg2(X86EMU_FPU_STKTOP); break; case 5: x86emu_fpu_R_fldln2(X86EMU_FPU_STKTOP); break; case 6: x86emu_fpu_R_fldz(X86EMU_FPU_STKTOP); break; default: /* 7 */ x86emu_fpu_illegal(); break; } break; case 6: switch (rl) { case 0: x86emu_fpu_R_f2xm1(X86EMU_FPU_STKTOP); break; case 1: x86emu_fpu_R_fyl2x(X86EMU_FPU_STKTOP); break; case 2: x86emu_fpu_R_fptan(X86EMU_FPU_STKTOP); break; case 3: x86emu_fpu_R_fpatan(X86EMU_FPU_STKTOP); break; case 4: x86emu_fpu_R_fxtract(X86EMU_FPU_STKTOP); break; case 5: x86emu_fpu_illegal(); break; case 6: x86emu_fpu_R_decstp(); break; case 7: x86emu_fpu_R_incstp(); break; } break; case 7: switch (rl) { case 0: x86emu_fpu_R_fprem(X86EMU_FPU_STKTOP); break; case 1: x86emu_fpu_R_fyl2xp1(X86EMU_FPU_STKTOP); break; case 2: x86emu_fpu_R_fsqrt(X86EMU_FPU_STKTOP); break; case 3: x86emu_fpu_illegal(); break; case 4: x86emu_fpu_R_frndint(X86EMU_FPU_STKTOP); break; case 5: x86emu_fpu_R_fscale(X86EMU_FPU_STKTOP); break; case 6: case 7: default: x86emu_fpu_illegal(); break; } break; default: switch (rh) { case 0: x86emu_fpu_M_fld(X86EMU_FPU_FLOAT, destoffset); break; case 1: x86emu_fpu_illegal(); break; case 2: x86emu_fpu_M_fst(X86EMU_FPU_FLOAT, destoffset); break; case 3: x86emu_fpu_M_fstp(X86EMU_FPU_FLOAT, destoffset); break; case 4: x86emu_fpu_M_fldenv(X86EMU_FPU_WORD, destoffset); break; case 5: x86emu_fpu_M_fldcw(X86EMU_FPU_WORD, destoffset); break; case 6: x86emu_fpu_M_fstenv(X86EMU_FPU_WORD, destoffset); break; case 7: x86emu_fpu_M_fstcw(X86EMU_FPU_WORD, destoffset); break; } } } #else (void)destoffset; (void)stkelem; #endif /* X86EMU_FPU_PRESENT */ DECODE_CLEAR_SEGOVR(); END_OF_INSTR_NO_TRACE(); }
/* opcode=0xdf */ void x86emuOp_esc_coprocess_df(u8 X86EMU_UNUSED(op1)) { int mod, rl, rh; uint destoffset = 0; u8 stkelem = 0; START_OF_INSTR(); FETCH_DECODE_MODRM(mod, rh, rl); DECODE_PRINTINSTR32(x86emu_fpu_op_df_tab, mod, rh, rl); switch (mod) { case 0: destoffset = decode_rm00_address(rl); DECODE_PRINTF("\n"); break; case 1: destoffset = decode_rm01_address(rl); DECODE_PRINTF("\n"); break; case 2: destoffset = decode_rm10_address(rl); DECODE_PRINTF("\n"); break; case 3: /* register to register */ stkelem = (u8)rl; DECODE_PRINTF2("\tST(%d)\n", stkelem); break; } #ifdef X86EMU_FPU_PRESENT switch (mod) { case 3: switch (rh) { case 0: x86emu_fpu_R_ffree(stkelem); break; case 1: x86emu_fpu_R_fxch(stkelem); break; case 2: x86emu_fpu_R_fst(stkelem); /* register version */ break; case 3: x86emu_fpu_R_fstp(stkelem); /* register version */ break; default: x86emu_fpu_illegal(); break; } break; default: switch (rh) { case 0: x86emu_fpu_M_fild(X86EMU_FPU_WORD, destoffset); break; case 1: x86emu_fpu_illegal(); break; case 2: x86emu_fpu_M_fist(X86EMU_FPU_WORD, destoffset); break; case 3: x86emu_fpu_M_fistp(X86EMU_FPU_WORD, destoffset); break; case 4: x86emu_fpu_M_fbld(X86EMU_FPU_BSD, destoffset); break; case 5: x86emu_fpu_M_fild(X86EMU_FPU_LONG, destoffset); break; case 6: x86emu_fpu_M_fbstp(X86EMU_FPU_BSD, destoffset); break; case 7: x86emu_fpu_M_fistp(X86EMU_FPU_LONG, destoffset); break; } } #else (void)destoffset; (void)stkelem; #endif DECODE_CLEAR_SEGOVR(); END_OF_INSTR_NO_TRACE(); }
/* opcode=0xde */ void x86emuOp_esc_coprocess_de(u8 X86EMU_UNUSED(op1)) { int mod, rl, rh; uint destoffset = 0; u8 stkelem = 0; START_OF_INSTR(); FETCH_DECODE_MODRM(mod, rh, rl); DECODE_PRINTINSTR32(x86emu_fpu_op_de_tab, mod, rh, rl); switch (mod) { case 0: destoffset = decode_rm00_address(rl); DECODE_PRINTF("\n"); break; case 1: destoffset = decode_rm01_address(rl); DECODE_PRINTF("\n"); break; case 2: destoffset = decode_rm10_address(rl); DECODE_PRINTF("\n"); break; case 3: /* register to register */ stkelem = (u8)rl; DECODE_PRINTF2("\tST(%d),ST\n", stkelem); break; } #ifdef X86EMU_FPU_PRESENT switch (mod) { case 3: switch (rh) { case 0: x86emu_fpu_R_faddp(stkelem, X86EMU_FPU_STKTOP); break; case 1: x86emu_fpu_R_fmulp(stkelem, X86EMU_FPU_STKTOP); break; case 2: x86emu_fpu_R_fcomp(stkelem, X86EMU_FPU_STKTOP); break; case 3: if (stkelem == 1) x86emu_fpu_R_fcompp(stkelem, X86EMU_FPU_STKTOP); else x86emu_fpu_illegal(); break; case 4: x86emu_fpu_R_fsubrp(stkelem, X86EMU_FPU_STKTOP); break; case 5: x86emu_fpu_R_fsubp(stkelem, X86EMU_FPU_STKTOP); break; case 6: x86emu_fpu_R_fdivrp(stkelem, X86EMU_FPU_STKTOP); break; case 7: x86emu_fpu_R_fdivp(stkelem, X86EMU_FPU_STKTOP); break; } break; default: switch (rh) { case 0: x86emu_fpu_M_fiadd(X86EMU_FPU_WORD, destoffset); break; case 1: x86emu_fpu_M_fimul(X86EMU_FPU_WORD, destoffset); break; case 2: x86emu_fpu_M_ficom(X86EMU_FPU_WORD, destoffset); break; case 3: x86emu_fpu_M_ficomp(X86EMU_FPU_WORD, destoffset); break; case 4: x86emu_fpu_M_fisub(X86EMU_FPU_WORD, destoffset); break; case 5: x86emu_fpu_M_fisubr(X86EMU_FPU_WORD, destoffset); break; case 6: x86emu_fpu_M_fidiv(X86EMU_FPU_WORD, destoffset); break; case 7: x86emu_fpu_M_fidivr(X86EMU_FPU_WORD, destoffset); break; } } #else (void)destoffset; (void)stkelem; #endif DECODE_CLEAR_SEGOVR(); END_OF_INSTR_NO_TRACE(); }
/* opcode=0xdb */ void x86emuOp_esc_coprocess_db(u8 X86EMU_UNUSED(op1)) { int mod, rl, rh; uint destoffset = 0; START_OF_INSTR(); FETCH_DECODE_MODRM(mod, rh, rl); #ifdef DEBUG if (mod != 3) { DECODE_PRINTINSTR32(x86emu_fpu_op_db_tab, mod, rh, rl); } else if (rh == 4) { /* === 11 10 0 nnn */ switch (rl) { case 0: DECODE_PRINTF("FENI\n"); break; case 1: DECODE_PRINTF("FDISI\n"); break; case 2: DECODE_PRINTF("FCLEX\n"); break; case 3: DECODE_PRINTF("FINIT\n"); break; } } else { DECODE_PRINTF2("ESC_DB %0x\n", (mod << 6) + (rh << 3) + (rl)); } #endif /* DEBUG */ switch (mod) { case 0: destoffset = decode_rm00_address(rl); break; case 1: destoffset = decode_rm01_address(rl); break; case 2: destoffset = decode_rm10_address(rl); break; case 3: /* register to register */ break; } #ifdef X86EMU_FPU_PRESENT /* execute */ switch (mod) { case 3: switch (rh) { case 4: switch (rl) { case 0: x86emu_fpu_R_feni(); break; case 1: x86emu_fpu_R_fdisi(); break; case 2: x86emu_fpu_R_fclex(); break; case 3: x86emu_fpu_R_finit(); break; default: x86emu_fpu_illegal(); break; } break; default: x86emu_fpu_illegal(); break; } break; default: switch (rh) { case 0: x86emu_fpu_M_fild(X86EMU_FPU_SHORT, destoffset); break; case 1: x86emu_fpu_illegal(); break; case 2: x86emu_fpu_M_fist(X86EMU_FPU_SHORT, destoffset); break; case 3: x86emu_fpu_M_fistp(X86EMU_FPU_SHORT, destoffset); break; case 4: x86emu_fpu_illegal(); break; case 5: x86emu_fpu_M_fld(X86EMU_FPU_LDBL, destoffset); break; case 6: x86emu_fpu_illegal(); break; case 7: x86emu_fpu_M_fstp(X86EMU_FPU_LDBL, destoffset); break; } } #else (void)destoffset; #endif DECODE_CLEAR_SEGOVR(); END_OF_INSTR_NO_TRACE(); }
/* opcode=0xdc */ void x86emuOp_esc_coprocess_dc(u8 X86EMU_UNUSED(op1)) { int mod, rl, rh; uint destoffset; u8 stkelem; START_OF_INSTR(); FETCH_DECODE_MODRM(mod, rh, rl); DECODE_PRINTINSTR32(x86emu_fpu_op_dc_tab, mod, rh, rl); switch (mod) { case 0: destoffset = decode_rm00_address(rl); DECODE_PRINTF("\n"); break; case 1: destoffset = decode_rm01_address(rl); DECODE_PRINTF("\n"); break; case 2: destoffset = decode_rm10_address(rl); DECODE_PRINTF("\n"); break; case 3: /* register to register */ stkelem = (u8)rl; DECODE_PRINTF2("\tST(%d),ST\n", stkelem); break; } #ifdef X86EMU_FPU_PRESENT /* execute */ switch (mod) { case 3: switch (rh) { case 0: x86emu_fpu_R_fadd(stkelem, X86EMU_FPU_STKTOP); break; case 1: x86emu_fpu_R_fmul(stkelem, X86EMU_FPU_STKTOP); break; case 2: x86emu_fpu_R_fcom(stkelem, X86EMU_FPU_STKTOP); break; case 3: x86emu_fpu_R_fcomp(stkelem, X86EMU_FPU_STKTOP); break; case 4: x86emu_fpu_R_fsubr(stkelem, X86EMU_FPU_STKTOP); break; case 5: x86emu_fpu_R_fsub(stkelem, X86EMU_FPU_STKTOP); break; case 6: x86emu_fpu_R_fdivr(stkelem, X86EMU_FPU_STKTOP); break; case 7: x86emu_fpu_R_fdiv(stkelem, X86EMU_FPU_STKTOP); break; } break; default: switch (rh) { case 0: x86emu_fpu_M_fadd(X86EMU_FPU_DOUBLE, destoffset); break; case 1: x86emu_fpu_M_fmul(X86EMU_FPU_DOUBLE, destoffset); break; case 2: x86emu_fpu_M_fcom(X86EMU_FPU_DOUBLE, destoffset); break; case 3: x86emu_fpu_M_fcomp(X86EMU_FPU_DOUBLE, destoffset); break; case 4: x86emu_fpu_M_fsub(X86EMU_FPU_DOUBLE, destoffset); break; case 5: x86emu_fpu_M_fsubr(X86EMU_FPU_DOUBLE, destoffset); break; case 6: x86emu_fpu_M_fdiv(X86EMU_FPU_DOUBLE, destoffset); break; case 7: x86emu_fpu_M_fdivr(X86EMU_FPU_DOUBLE, destoffset); break; } } #endif DECODE_CLEAR_SEGOVR(); END_OF_INSTR_NO_TRACE(); }