added missing files
This commit is contained in:
Markus Fröschle
61
include/fpu.h
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61
include/fpu.h
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/****************************************************************************
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*
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* Realmode X86 Emulator Library
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*
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* Copyright (C) 1996-1999 SciTech Software, Inc.
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* Copyright (C) David Mosberger-Tang
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* Copyright (C) 1999 Egbert Eich
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*
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* ========================================================================
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*
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* Permission to use, copy, modify, distribute, and sell this software and
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* its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and that
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* both that copyright notice and this permission notice appear in
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* supporting documentation, and that the name of the authors not be used
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* in advertising or publicity pertaining to distribution of the software
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* without specific, written prior permission. The authors makes no
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* representations about the suitability of this software for any purpose.
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* It is provided "as is" without express or implied warranty.
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*
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* THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
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* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*
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* ========================================================================
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*
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* Language: ANSI C
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* Environment: Any
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* Developer: Kendall Bennett
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*
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* Description: Header file for FPU instruction decoding.
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*
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****************************************************************************/
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#ifndef __X86EMU_FPU_H
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#define __X86EMU_FPU_H
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#ifdef __cplusplus
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extern "C" { /* Use "C" linkage when in C++ mode */
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#endif
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/* these have to be defined, whether 8087 support compiled in or not. */
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extern void x86emuOp_esc_coprocess_d8 (u8 op1);
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extern void x86emuOp_esc_coprocess_d9 (u8 op1);
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extern void x86emuOp_esc_coprocess_da (u8 op1);
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extern void x86emuOp_esc_coprocess_db (u8 op1);
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extern void x86emuOp_esc_coprocess_dc (u8 op1);
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extern void x86emuOp_esc_coprocess_dd (u8 op1);
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extern void x86emuOp_esc_coprocess_de (u8 op1);
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extern void x86emuOp_esc_coprocess_df (u8 op1);
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#ifdef __cplusplus
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} /* End of "C" linkage for C++ */
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#endif
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#endif /* __X86EMU_FPU_H */
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115
include/fpu_regs.h
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115
include/fpu_regs.h
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/****************************************************************************
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*
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* Realmode X86 Emulator Library
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*
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* Copyright (C) 1996-1999 SciTech Software, Inc.
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* Copyright (C) David Mosberger-Tang
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* Copyright (C) 1999 Egbert Eich
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*
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* ========================================================================
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*
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* Permission to use, copy, modify, distribute, and sell this software and
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* its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and that
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* both that copyright notice and this permission notice appear in
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* supporting documentation, and that the name of the authors not be used
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* in advertising or publicity pertaining to distribution of the software
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* without specific, written prior permission. The authors makes no
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* representations about the suitability of this software for any purpose.
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* It is provided "as is" without express or implied warranty.
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*
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* THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
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* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*
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* ========================================================================
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*
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* Language: ANSI C
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* Environment: Any
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* Developer: Kendall Bennett
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*
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* Description: Header file for FPU register definitions.
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*
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****************************************************************************/
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#ifndef __X86EMU_FPU_REGS_H
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#define __X86EMU_FPU_REGS_H
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#ifdef X86_FPU_SUPPORT
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#pragma pack(1)
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/* Basic 8087 register can hold any of the following values: */
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union x86_fpu_reg_u {
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s8 tenbytes[10];
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double dval;
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float fval;
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s16 sval;
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s32 lval;
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};
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struct x86_fpu_reg {
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union x86_fpu_reg_u reg;
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char tag;
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};
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/*
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* Since we are not going to worry about the problems of aliasing
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* registers, every time a register is modified, its result type is
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* set in the tag fields for that register. If some operation
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* attempts to access the type in a way inconsistent with its current
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* storage format, then we flag the operation. If common, we'll
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* attempt the conversion.
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*/
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#define X86_FPU_VALID 0x80
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#define X86_FPU_REGTYP(r) ((r) & 0x7F)
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#define X86_FPU_WORD 0x0
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#define X86_FPU_SHORT 0x1
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#define X86_FPU_LONG 0x2
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#define X86_FPU_FLOAT 0x3
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#define X86_FPU_DOUBLE 0x4
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#define X86_FPU_LDBL 0x5
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#define X86_FPU_BSD 0x6
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#define X86_FPU_STKTOP 0
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struct x86_fpu_registers {
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struct x86_fpu_reg x86_fpu_stack[8];
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int x86_fpu_flags;
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int x86_fpu_config; /* rounding modes, etc. */
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short x86_fpu_tos, x86_fpu_bos;
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};
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#pragma pack()
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/*
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* There are two versions of the following macro.
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*
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* One version is for opcode D9, for which there are more than 32
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* instructions encoded in the second byte of the opcode.
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*
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* The other version, deals with all the other 7 i87 opcodes, for
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* which there are only 32 strings needed to describe the
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* instructions.
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*/
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#endif /* X86_FPU_SUPPORT */
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#ifdef DEBUG
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# define DECODE_PRINTINSTR32(t,mod,rh,rl) \
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DECODE_PRINTF(t[(mod<<3)+(rh)]);
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# define DECODE_PRINTINSTR256(t,mod,rh,rl) \
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DECODE_PRINTF(t[(mod<<6)+(rh<<3)+(rl)]);
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#else
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# define DECODE_PRINTINSTR32(t,mod,rh,rl)
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# define DECODE_PRINTINSTR256(t,mod,rh,rl)
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#endif
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#endif /* __X86EMU_FPU_REGS_H */
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