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-rw-r--r--board/MAI/bios_emulator/scitech/src/x86emu/fpu.c945
1 files changed, 0 insertions, 945 deletions
diff --git a/board/MAI/bios_emulator/scitech/src/x86emu/fpu.c b/board/MAI/bios_emulator/scitech/src/x86emu/fpu.c
deleted file mode 100644
index 7f7c345b34..0000000000
--- a/board/MAI/bios_emulator/scitech/src/x86emu/fpu.c
+++ /dev/null
@@ -1,945 +0,0 @@
-/****************************************************************************
-*
-* Realmode X86 Emulator Library
-*
-* Copyright (C) 1996-1999 SciTech Software, Inc.
-* Copyright (C) David Mosberger-Tang
-* Copyright (C) 1999 Egbert Eich
-*
-* ========================================================================
-*
-* Permission to use, copy, modify, distribute, and sell this software and
-* its documentation for any purpose is hereby granted without fee,
-* provided that the above copyright notice appear in all copies and that
-* both that copyright notice and this permission notice appear in
-* supporting documentation, and that the name of the authors not be used
-* in advertising or publicity pertaining to distribution of the software
-* without specific, written prior permission. The authors makes no
-* representations about the suitability of this software for any purpose.
-* It is provided "as is" without express or implied warranty.
-*
-* THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
-* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
-* EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
-* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
-* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
-* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
-* PERFORMANCE OF THIS SOFTWARE.
-*
-* ========================================================================
-*
-* Language: ANSI C
-* Environment: Any
-* Developer: Kendall Bennett
-*
-* Description: This file contains the code to implement the decoding and
-* emulation of the FPU instructions.
-*
-****************************************************************************/
-
-#include "x86emu/x86emui.h"
-
-/*----------------------------- Implementation ----------------------------*/
-
-/* 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();
-}
-
-#ifdef DEBUG
-
-static char *x86emu_fpu_op_d9_tab[] = {
- "FLD\tDWORD PTR ", "ESC_D9\t", "FST\tDWORD PTR ", "FSTP\tDWORD PTR ",
- "FLDENV\t", "FLDCW\t", "FSTENV\t", "FSTCW\t",
-
- "FLD\tDWORD PTR ", "ESC_D9\t", "FST\tDWORD PTR ", "FSTP\tDWORD PTR ",
- "FLDENV\t", "FLDCW\t", "FSTENV\t", "FSTCW\t",
-
- "FLD\tDWORD PTR ", "ESC_D9\t", "FST\tDWORD PTR ", "FSTP\tDWORD PTR ",
- "FLDENV\t", "FLDCW\t", "FSTENV\t", "FSTCW\t",
-};
-
-static char *x86emu_fpu_op_d9_tab1[] = {
- "FLD\t", "FLD\t", "FLD\t", "FLD\t",
- "FLD\t", "FLD\t", "FLD\t", "FLD\t",
-
- "FXCH\t", "FXCH\t", "FXCH\t", "FXCH\t",
- "FXCH\t", "FXCH\t", "FXCH\t", "FXCH\t",
-
- "FNOP", "ESC_D9", "ESC_D9", "ESC_D9",
- "ESC_D9", "ESC_D9", "ESC_D9", "ESC_D9",
-
- "FSTP\t", "FSTP\t", "FSTP\t", "FSTP\t",
- "FSTP\t", "FSTP\t", "FSTP\t", "FSTP\t",
-
- "FCHS", "FABS", "ESC_D9", "ESC_D9",
- "FTST", "FXAM", "ESC_D9", "ESC_D9",
-
- "FLD1", "FLDL2T", "FLDL2E", "FLDPI",
- "FLDLG2", "FLDLN2", "FLDZ", "ESC_D9",
-
- "F2XM1", "FYL2X", "FPTAN", "FPATAN",
- "FXTRACT", "ESC_D9", "FDECSTP", "FINCSTP",
-
- "FPREM", "FYL2XP1", "FSQRT", "ESC_D9",
- "FRNDINT", "FSCALE", "ESC_D9", "ESC_D9",
-};
-
-#endif /* DEBUG */
-
-/* opcode=0xd9 */
-void x86emuOp_esc_coprocess_d9(u8 X86EMU_UNUSED(op1))
-{
- int mod, rl, rh;
- uint destoffset;
- u8 stkelem;
-
- 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;
- }
- }
- }
-#endif /* X86EMU_FPU_PRESENT */
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR_NO_TRACE();
-}
-
-#ifdef DEBUG
-
-char *x86emu_fpu_op_da_tab[] = {
- "FIADD\tDWORD PTR ", "FIMUL\tDWORD PTR ", "FICOM\tDWORD PTR ",
- "FICOMP\tDWORD PTR ",
- "FISUB\tDWORD PTR ", "FISUBR\tDWORD PTR ", "FIDIV\tDWORD PTR ",
- "FIDIVR\tDWORD PTR ",
-
- "FIADD\tDWORD PTR ", "FIMUL\tDWORD PTR ", "FICOM\tDWORD PTR ",
- "FICOMP\tDWORD PTR ",
- "FISUB\tDWORD PTR ", "FISUBR\tDWORD PTR ", "FIDIV\tDWORD PTR ",
- "FIDIVR\tDWORD PTR ",
-
- "FIADD\tDWORD PTR ", "FIMUL\tDWORD PTR ", "FICOM\tDWORD PTR ",
- "FICOMP\tDWORD PTR ",
- "FISUB\tDWORD PTR ", "FISUBR\tDWORD PTR ", "FIDIV\tDWORD PTR ",
- "FIDIVR\tDWORD PTR ",
-
- "ESC_DA ", "ESC_DA ", "ESC_DA ", "ESC_DA ",
- "ESC_DA ", "ESC_DA ", "ESC_DA ", "ESC_DA ",
-};
-
-#endif /* DEBUG */
-
-/* opcode=0xda */
-void x86emuOp_esc_coprocess_da(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_da_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:
- x86emu_fpu_illegal();
- break;
- default:
- switch (rh) {
- case 0:
- x86emu_fpu_M_iadd(X86EMU_FPU_SHORT, destoffset);
- break;
- case 1:
- x86emu_fpu_M_imul(X86EMU_FPU_SHORT, destoffset);
- break;
- case 2:
- x86emu_fpu_M_icom(X86EMU_FPU_SHORT, destoffset);
- break;
- case 3:
- x86emu_fpu_M_icomp(X86EMU_FPU_SHORT, destoffset);
- break;
- case 4:
- x86emu_fpu_M_isub(X86EMU_FPU_SHORT, destoffset);
- break;
- case 5:
- x86emu_fpu_M_isubr(X86EMU_FPU_SHORT, destoffset);
- break;
- case 6:
- x86emu_fpu_M_idiv(X86EMU_FPU_SHORT, destoffset);
- break;
- case 7:
- x86emu_fpu_M_idivr(X86EMU_FPU_SHORT, destoffset);
- break;
- }
- }
-#endif
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR_NO_TRACE();
-}
-
-#ifdef DEBUG
-
-char *x86emu_fpu_op_db_tab[] = {
- "FILD\tDWORD PTR ", "ESC_DB\t19", "FIST\tDWORD PTR ", "FISTP\tDWORD PTR ",
- "ESC_DB\t1C", "FLD\tTBYTE PTR ", "ESC_DB\t1E", "FSTP\tTBYTE PTR ",
-
- "FILD\tDWORD PTR ", "ESC_DB\t19", "FIST\tDWORD PTR ", "FISTP\tDWORD PTR ",
- "ESC_DB\t1C", "FLD\tTBYTE PTR ", "ESC_DB\t1E", "FSTP\tTBYTE PTR ",
-
- "FILD\tDWORD PTR ", "ESC_DB\t19", "FIST\tDWORD PTR ", "FISTP\tDWORD PTR ",
- "ESC_DB\t1C", "FLD\tTBYTE PTR ", "ESC_DB\t1E", "FSTP\tTBYTE PTR ",
-};
-
-#endif /* DEBUG */
-
-/* opcode=0xdb */
-void x86emuOp_esc_coprocess_db(u8 X86EMU_UNUSED(op1))
-{
- int mod, rl, rh;
- uint destoffset;
-
- 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;
- }
- }
-#endif
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR_NO_TRACE();
-}
-
-#ifdef DEBUG
-char *x86emu_fpu_op_dc_tab[] = {
- "FADD\tQWORD PTR ", "FMUL\tQWORD PTR ", "FCOM\tQWORD PTR ",
- "FCOMP\tQWORD PTR ",
- "FSUB\tQWORD PTR ", "FSUBR\tQWORD PTR ", "FDIV\tQWORD PTR ",
- "FDIVR\tQWORD PTR ",
-
- "FADD\tQWORD PTR ", "FMUL\tQWORD PTR ", "FCOM\tQWORD PTR ",
- "FCOMP\tQWORD PTR ",
- "FSUB\tQWORD PTR ", "FSUBR\tQWORD PTR ", "FDIV\tQWORD PTR ",
- "FDIVR\tQWORD PTR ",
-
- "FADD\tQWORD PTR ", "FMUL\tQWORD PTR ", "FCOM\tQWORD PTR ",
- "FCOMP\tQWORD PTR ",
- "FSUB\tQWORD PTR ", "FSUBR\tQWORD PTR ", "FDIV\tQWORD PTR ",
- "FDIVR\tQWORD PTR ",
-
- "FADD\t", "FMUL\t", "FCOM\t", "FCOMP\t",
- "FSUBR\t", "FSUB\t", "FDIVR\t", "FDIV\t",
-};
-#endif /* DEBUG */
-
-/* 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();
-}
-
-#ifdef DEBUG
-
-static char *x86emu_fpu_op_dd_tab[] = {
- "FLD\tQWORD PTR ", "ESC_DD\t29,", "FST\tQWORD PTR ", "FSTP\tQWORD PTR ",
- "FRSTOR\t", "ESC_DD\t2D,", "FSAVE\t", "FSTSW\t",
-
- "FLD\tQWORD PTR ", "ESC_DD\t29,", "FST\tQWORD PTR ", "FSTP\tQWORD PTR ",
- "FRSTOR\t", "ESC_DD\t2D,", "FSAVE\t", "FSTSW\t",
-
- "FLD\tQWORD PTR ", "ESC_DD\t29,", "FST\tQWORD PTR ", "FSTP\tQWORD PTR ",
- "FRSTOR\t", "ESC_DD\t2D,", "FSAVE\t", "FSTSW\t",
-
- "FFREE\t", "FXCH\t", "FST\t", "FSTP\t",
- "ESC_DD\t2C,", "ESC_DD\t2D,", "ESC_DD\t2E,", "ESC_DD\t2F,",
-};
-
-#endif /* DEBUG */
-
-/* opcode=0xdd */
-void x86emuOp_esc_coprocess_dd(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_dd_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_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_fld(X86EMU_FPU_DOUBLE, destoffset);
- break;
- case 1:
- x86emu_fpu_illegal();
- break;
- case 2:
- x86emu_fpu_M_fst(X86EMU_FPU_DOUBLE, destoffset);
- break;
- case 3:
- x86emu_fpu_M_fstp(X86EMU_FPU_DOUBLE, destoffset);
- break;
- case 4:
- x86emu_fpu_M_frstor(X86EMU_FPU_WORD, destoffset);
- break;
- case 5:
- x86emu_fpu_illegal();
- break;
- case 6:
- x86emu_fpu_M_fsave(X86EMU_FPU_WORD, destoffset);
- break;
- case 7:
- x86emu_fpu_M_fstsw(X86EMU_FPU_WORD, destoffset);
- break;
- }
- }
-#endif
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR_NO_TRACE();
-}
-
-#ifdef DEBUG
-
-static char *x86emu_fpu_op_de_tab[] =
-{
- "FIADD\tWORD PTR ", "FIMUL\tWORD PTR ", "FICOM\tWORD PTR ",
- "FICOMP\tWORD PTR ",
- "FISUB\tWORD PTR ", "FISUBR\tWORD PTR ", "FIDIV\tWORD PTR ",
- "FIDIVR\tWORD PTR ",
-
- "FIADD\tWORD PTR ", "FIMUL\tWORD PTR ", "FICOM\tWORD PTR ",
- "FICOMP\tWORD PTR ",
- "FISUB\tWORD PTR ", "FISUBR\tWORD PTR ", "FIDIV\tWORD PTR ",
- "FIDIVR\tWORD PTR ",
-
- "FIADD\tWORD PTR ", "FIMUL\tWORD PTR ", "FICOM\tWORD PTR ",
- "FICOMP\tWORD PTR ",
- "FISUB\tWORD PTR ", "FISUBR\tWORD PTR ", "FIDIV\tWORD PTR ",
- "FIDIVR\tWORD PTR ",
-
- "FADDP\t", "FMULP\t", "FCOMP\t", "FCOMPP\t",
- "FSUBRP\t", "FSUBP\t", "FDIVRP\t", "FDIVP\t",
-};
-
-#endif /* DEBUG */
-
-/* opcode=0xde */
-void x86emuOp_esc_coprocess_de(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_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;
- }
- }
-#endif
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR_NO_TRACE();
-}
-
-#ifdef DEBUG
-
-static char *x86emu_fpu_op_df_tab[] = {
- /* mod == 00 */
- "FILD\tWORD PTR ", "ESC_DF\t39\n", "FIST\tWORD PTR ", "FISTP\tWORD PTR ",
- "FBLD\tTBYTE PTR ", "FILD\tQWORD PTR ", "FBSTP\tTBYTE PTR ",
- "FISTP\tQWORD PTR ",
-
- /* mod == 01 */
- "FILD\tWORD PTR ", "ESC_DF\t39 ", "FIST\tWORD PTR ", "FISTP\tWORD PTR ",
- "FBLD\tTBYTE PTR ", "FILD\tQWORD PTR ", "FBSTP\tTBYTE PTR ",
- "FISTP\tQWORD PTR ",
-
- /* mod == 10 */
- "FILD\tWORD PTR ", "ESC_DF\t39 ", "FIST\tWORD PTR ", "FISTP\tWORD PTR ",
- "FBLD\tTBYTE PTR ", "FILD\tQWORD PTR ", "FBSTP\tTBYTE PTR ",
- "FISTP\tQWORD PTR ",
-
- /* mod == 11 */
- "FFREE\t", "FXCH\t", "FST\t", "FSTP\t",
- "ESC_DF\t3C,", "ESC_DF\t3D,", "ESC_DF\t3E,", "ESC_DF\t3F,"
-};
-
-#endif /* DEBUG */
-
-/* opcode=0xdf */
-void x86emuOp_esc_coprocess_df(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_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;
- }
- }
-#endif
- DECODE_CLEAR_SEGOVR();
- END_OF_INSTR_NO_TRACE();
-}