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Diffstat (limited to 'src/include/x86emu/fpu_regs.h')
| -rw-r--r-- | src/include/x86emu/fpu_regs.h | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/src/include/x86emu/fpu_regs.h b/src/include/x86emu/fpu_regs.h deleted file mode 100644 index f6e229456b..0000000000 --- a/src/include/x86emu/fpu_regs.h +++ /dev/null @@ -1,120 +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: Header file for FPU register definitions. -* -****************************************************************************/ - -#ifndef __X86EMU_FPU_REGS_H -#define __X86EMU_FPU_REGS_H - - -#if defined(CONFIG_DEBUG) && (CONFIG_DEBUG == 0) -#undef CONFIG_DEBUG -#endif - -#ifdef X86_FPU_SUPPORT - -#pragma pack(1) - -/* Basic 8087 register can hold any of the following values: */ - -union x86_fpu_reg_u { - s8 tenbytes[10]; - double dval; - float fval; - s16 sval; - s32 lval; - }; - -struct x86_fpu_reg { - union x86_fpu_reg_u reg; - char tag; - }; - -/* - * Since we are not going to worry about the problems of aliasing - * registers, every time a register is modified, its result type is - * set in the tag fields for that register. If some operation - * attempts to access the type in a way inconsistent with its current - * storage format, then we flag the operation. If common, we'll - * attempt the conversion. - */ - -#define X86_FPU_VALID 0x80 -#define X86_FPU_REGTYP(r) ((r) & 0x7F) - -#define X86_FPU_WORD 0x0 -#define X86_FPU_SHORT 0x1 -#define X86_FPU_LONG 0x2 -#define X86_FPU_FLOAT 0x3 -#define X86_FPU_DOUBLE 0x4 -#define X86_FPU_LDBL 0x5 -#define X86_FPU_BSD 0x6 - -#define X86_FPU_STKTOP 0 - -struct x86_fpu_registers { - struct x86_fpu_reg x86_fpu_stack[8]; - int x86_fpu_flags; - int x86_fpu_config; /* rounding modes, etc. */ - short x86_fpu_tos, x86_fpu_bos; - }; - -#pragma pack() - -/* - * There are two versions of the following macro. - * - * One version is for opcode D9, for which there are more than 32 - * instructions encoded in the second byte of the opcode. - * - * The other version, deals with all the other 7 i87 opcodes, for - * which there are only 32 strings needed to describe the - * instructions. - */ - -#endif /* X86_FPU_SUPPORT */ - -#ifdef CONFIG_DEBUG -# define DECODE_PRINTINSTR32(t,mod,rh,rl) \ - DECODE_PRINTF(t[(mod<<3)+(rh)]); -# define DECODE_PRINTINSTR256(t,mod,rh,rl) \ - DECODE_PRINTF(t[(mod<<6)+(rh<<3)+(rl)]); -#else -# define DECODE_PRINTINSTR32(t,mod,rh,rl) -# define DECODE_PRINTINSTR256(t,mod,rh,rl) -#endif - -#endif /* __X86EMU_FPU_REGS_H */ |