49664f7503
tries to fix it. The shortcuts to register names such as AX and DL are #defines in cpu/cpu.h, and they are defined in terms of BX_CPU_THIS_PTR. When BX_USE_CPU_SMF=1, this works fine. (This is what bochs used for a long time, and nobody used the SMF=0 mode at all.) To make SMP bochs work, I had to get SMF=0 mode working for the CPU so that there could be an array of cpus. When SMF=0 for the CPU, BX_CPU_THIS_PTR is defined to be "this->" which only works within methods of BX_CPU_C. Code outside of BX_CPU_C must reference BX_CPU(num) instead. - to try to enforce the correct use of AL/AX/DL/etc. shortcuts, they are now only #defined when "NEED_CPU_REG_SHORTCUTS" is #defined. This is only done in the cpu/*.cc code.
1780 lines
61 KiB
C++
1780 lines
61 KiB
C++
// Copyright (C) 2001 MandrakeSoft S.A.
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//
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// MandrakeSoft S.A.
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// 43, rue d'Aboukir
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// 75002 Paris - France
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// http://www.linux-mandrake.com/
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// http://www.mandrakesoft.com/
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#ifndef BX_CPU_H
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# define BX_CPU_H 1
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#include <setjmp.h>
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#include "cpu/lazy_flags.h"
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#define BX_SREG_ES 0
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#define BX_SREG_CS 1
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#define BX_SREG_SS 2
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#define BX_SREG_DS 3
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#define BX_SREG_FS 4
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#define BX_SREG_GS 5
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// segment register encoding
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#define BX_SEG_REG_ES 0
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#define BX_SEG_REG_CS 1
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#define BX_SEG_REG_SS 2
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#define BX_SEG_REG_DS 3
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#define BX_SEG_REG_FS 4
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#define BX_SEG_REG_GS 5
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#define BX_SEG_REG_NULL 8
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#define BX_NULL_SEG_REG(seg) ((seg) & BX_SEG_REG_NULL)
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#ifdef BX_LITTLE_ENDIAN
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#define BX_REG8L_OFFSET 0
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#define BX_REG8H_OFFSET 1
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#define BX_REG16_OFFSET 0
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#else // BX_BIG_ENDIAN
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#define BX_REG8L_OFFSET 3
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#define BX_REG8H_OFFSET 2
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#define BX_REG16_OFFSET 2
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#endif // ifdef BX_LITTLE_ENDIAN
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#define BX_8BIT_REG_AL 0
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#define BX_8BIT_REG_CL 1
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#define BX_8BIT_REG_DL 2
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#define BX_8BIT_REG_BL 3
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#define BX_8BIT_REG_AH 4
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#define BX_8BIT_REG_CH 5
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#define BX_8BIT_REG_DH 6
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#define BX_8BIT_REG_BH 7
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#define BX_16BIT_REG_AX 0
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#define BX_16BIT_REG_CX 1
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#define BX_16BIT_REG_DX 2
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#define BX_16BIT_REG_BX 3
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#define BX_16BIT_REG_SP 4
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#define BX_16BIT_REG_BP 5
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#define BX_16BIT_REG_SI 6
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#define BX_16BIT_REG_DI 7
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#define BX_32BIT_REG_EAX 0
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#define BX_32BIT_REG_ECX 1
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#define BX_32BIT_REG_EDX 2
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#define BX_32BIT_REG_EBX 3
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#define BX_32BIT_REG_ESP 4
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#define BX_32BIT_REG_EBP 5
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#define BX_32BIT_REG_ESI 6
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#define BX_32BIT_REG_EDI 7
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#if defined(NEED_CPU_REG_SHORTCUTS)
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/* WARNING:
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Only BX_CPU_C member functions can use these shortcuts safely!
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Functions that use the shortcuts outside of BX_CPU_C might work
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when BX_USE_CPU_SMF=1 but will fail when BX_USE_CPU_SMF=0
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(for example in SMP mode).
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*/
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// access to 8 bit general registers
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#define AL (BX_CPU_THIS_PTR gen_reg[0].word.byte.rl)
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#define CL (BX_CPU_THIS_PTR gen_reg[1].word.byte.rl)
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#define DL (BX_CPU_THIS_PTR gen_reg[2].word.byte.rl)
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#define BL (BX_CPU_THIS_PTR gen_reg[3].word.byte.rl)
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#define AH (BX_CPU_THIS_PTR gen_reg[0].word.byte.rh)
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#define CH (BX_CPU_THIS_PTR gen_reg[1].word.byte.rh)
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#define DH (BX_CPU_THIS_PTR gen_reg[2].word.byte.rh)
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#define BH (BX_CPU_THIS_PTR gen_reg[3].word.byte.rh)
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// access to 16 bit general registers
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#define AX (BX_CPU_THIS_PTR gen_reg[0].word.rx)
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#define CX (BX_CPU_THIS_PTR gen_reg[1].word.rx)
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#define DX (BX_CPU_THIS_PTR gen_reg[2].word.rx)
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#define BX (BX_CPU_THIS_PTR gen_reg[3].word.rx)
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#define SP (BX_CPU_THIS_PTR gen_reg[4].word.rx)
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#define BP (BX_CPU_THIS_PTR gen_reg[5].word.rx)
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#define SI (BX_CPU_THIS_PTR gen_reg[6].word.rx)
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#define DI (BX_CPU_THIS_PTR gen_reg[7].word.rx)
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// access to 16 bit instruction pointer
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#define IP (* (Bit16u *) (((Bit8u *) &BX_CPU_THIS_PTR eip) + BX_REG16_OFFSET))
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// accesss to 32 bit general registers
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#define EAX BX_CPU_THIS_PTR gen_reg[0].erx
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#define ECX BX_CPU_THIS_PTR gen_reg[1].erx
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#define EDX BX_CPU_THIS_PTR gen_reg[2].erx
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#define EBX BX_CPU_THIS_PTR gen_reg[3].erx
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#define ESP BX_CPU_THIS_PTR gen_reg[4].erx
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#define EBP BX_CPU_THIS_PTR gen_reg[5].erx
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#define ESI BX_CPU_THIS_PTR gen_reg[6].erx
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#define EDI BX_CPU_THIS_PTR gen_reg[7].erx
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// access to 32 bit instruction pointer
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#define EIP BX_CPU_THIS_PTR eip
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#define BX_READ_8BIT_REG(index) (((index) < 4) ? \
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(BX_CPU_THIS_PTR gen_reg[index].word.byte.rl) : \
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(BX_CPU_THIS_PTR gen_reg[(index)-4].word.byte.rh))
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#define BX_READ_16BIT_REG(index) (BX_CPU_THIS_PTR gen_reg[index].word.rx)
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#define BX_READ_32BIT_REG(index) (BX_CPU_THIS_PTR gen_reg[index].erx)
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#define BX_READ_16BIT_BASE_REG(var, index) {\
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var = *BX_CPU_THIS_PTR _16bit_base_reg[index];\
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}
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#define BX_READ_16BIT_INDEX_REG(var, index) {\
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var = *BX_CPU_THIS_PTR _16bit_index_reg[index];\
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}
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#define BX_WRITE_8BIT_REG(index, val) {\
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if ((index) < 4) \
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BX_CPU_THIS_PTR gen_reg[index].word.byte.rl = val; \
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else \
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BX_CPU_THIS_PTR gen_reg[(index)-4].word.byte.rh = val; \
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}
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#define BX_WRITE_16BIT_REG(index, val) {\
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BX_CPU_THIS_PTR gen_reg[index].word.rx = val; \
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}
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#define BX_WRITE_32BIT_REG(index, val) {\
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BX_CPU_THIS_PTR gen_reg[index].erx = val; \
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}
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#define TF BX_CPU_THIS_PTR eflags.tf
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#define IF BX_CPU_THIS_PTR eflags.if_
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#define DF BX_CPU_THIS_PTR eflags.df
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#define IOPL BX_CPU_THIS_PTR eflags.iopl
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#ifndef CPL
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#define CPL (BX_CPU_THIS_PTR sregs[BX_SEG_REG_CS].selector.rpl)
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#endif
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#endif // defined(NEED_CPU_REG_SHORTCUTS)
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#define BX_DE_EXCEPTION 0 // Divide Error (fault)
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#define BX_DB_EXCEPTION 1 // Debug (fault/trap)
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#define BX_BP_EXCEPTION 3 // Breakpoint (trap)
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#define BX_OF_EXCEPTION 4 // Overflow (trap)
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#define BX_BR_EXCEPTION 5 // BOUND (fault)
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#define BX_UD_EXCEPTION 6
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#define BX_NM_EXCEPTION 7
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#define BX_DF_EXCEPTION 8
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#define BX_TS_EXCEPTION 10
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#define BX_NP_EXCEPTION 11
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#define BX_SS_EXCEPTION 12
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#define BX_GP_EXCEPTION 13
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#define BX_PF_EXCEPTION 14
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#define BX_MF_EXCEPTION 16
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#define BX_AC_EXCEPTION 17
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typedef struct {
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/* 31|30|29|28|27|26|25|24|23|22|21|20|19|18|17|16
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* ==|==|=====|==|==|==|==|==|==|==|==|==|==|==|==
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* 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|ID|VP|VF|AC|VM|RF
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*
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* 15|14|13|12|11|10| 9| 8| 7| 6| 5| 4| 3| 2| 1| 0
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* ==|==|=====|==|==|==|==|==|==|==|==|==|==|==|==
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* 0|NT| IOPL|OF|DF|IF|TF|SF|ZF| 0|AF| 0|PF| 1|CF
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*/
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// In order to get access to these fields from the Dynamic Translation
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// code, using only 8bit offsets, I needed to move these fields
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// together.
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Bit32u cf;
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Bit32u af;
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Bit32u zf;
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Bit32u sf;
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Bit32u of;
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Boolean bit1;
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Bit8u pf_byte; /* PF derived from last result byte when needed */
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Boolean bit3;
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Boolean bit5;
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Boolean tf;
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Boolean if_;
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Boolean df;
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#if BX_CPU_LEVEL >= 2
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Bit8u iopl;
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Boolean nt;
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#endif
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Boolean bit15;
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#if BX_CPU_LEVEL >= 3
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Boolean rf;
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Boolean vm;
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#endif
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#if BX_CPU_LEVEL >= 4
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Boolean ac; // alignment check
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// Boolean vif; // Virtual Interrupt Flag
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// Boolean vip; // Virtual Interrupt Pending
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Boolean id; // late model 486 and beyond had CPUID
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#endif
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} bx_flags_reg_t;
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#if BX_CPU_LEVEL >= 2
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typedef struct {
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Bit32u val32; // 32bit value of register
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// bitfields broken out for efficient access
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#if BX_CPU_LEVEL >= 3
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Boolean pg; // paging
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#endif
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// CR0 notes:
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// Each x86 level has its own quirks regarding how it handles
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// reserved bits. I used DOS DEBUG.EXE in real mode on the
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// following processors, tried to clear bits 1..30, then tried
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// to set bits 1..30, to see how these bits are handled.
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// I found the following:
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//
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// Processor try to clear bits 1..30 try to set bits 1..30
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// 386 7FFFFFF0 7FFFFFFE
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// 486DX2 00000010 6005003E
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// Pentium 00000010 7FFFFFFE
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// Pentium-II 00000010 6005003E
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//
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// My assumptions:
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// All processors: bit 4 is hardwired to 1 (not true on all clones)
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// 386: bits 5..30 of CR0 are also hardwired to 1
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// Pentium: reserved bits retain value set using mov cr0, reg32
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// 486DX2/Pentium-II: reserved bits are hardwired to 0
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#if BX_CPU_LEVEL >= 4
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Boolean cd; // cache disable
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Boolean nw; // no write-through
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Boolean am; // alignment mask
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Boolean wp; // write-protect
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Boolean ne; // numerics exception
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#endif
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Boolean ts; // task switched
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Boolean em; // emulate math coprocessor
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Boolean mp; // monitor coprocessor
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Boolean pe; // protected mode enable
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} bx_cr0_t;
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#endif
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typedef struct { /* bx_selector_t */
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Bit16u value; /* the 16bit value of the selector */
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#if BX_CPU_LEVEL >= 2
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/* the following fields are extracted from the value field in protected
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mode only. They're used for sake of efficiency */
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Bit16u index; /* 13bit index extracted from value in protected mode */
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Bit8u ti; /* table indicator bit extracted from value */
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Bit8u rpl; /* RPL extracted from value */
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#endif
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} bx_selector_t;
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typedef struct {
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Boolean valid; /* 0 = invalid, 1 = valid */
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Boolean p; /* present */
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Bit8u dpl; /* descriptor privilege level 0..3 */
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Boolean segment; /* 0 = system/gate, 1 = data/code segment */
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Bit8u type; /* For system & gate descriptors, only
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* 0 = invalid descriptor (reserved)
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* 1 = 286 available Task State Segment (TSS)
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* 2 = LDT descriptor
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* 3 = 286 busy Task State Segment (TSS)
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* 4 = 286 call gate
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* 5 = task gate
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* 6 = 286 interrupt gate
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* 7 = 286 trap gate
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* 8 = (reserved)
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* 9 = 386 available TSS
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* 10 = (reserved)
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* 11 = 386 busy TSS
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* 12 = 386 call gate
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* 13 = (reserved)
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* 14 = 386 interrupt gate
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* 15 = 386 trap gate */
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union {
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struct {
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Boolean executable; /* 1=code, 0=data or stack segment */
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Boolean c_ed; /* for code: 1=conforming,
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for data/stack: 1=expand down */
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Boolean r_w; /* for code: readable?, for data/stack: writeable? */
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Boolean a; /* accessed? */
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Bit32u base; /* base address: 286=24bits, 386=32bits */
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Bit32u limit; /* limit: 286=16bits, 386=20bits */
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Bit32u limit_scaled; /* for efficiency, this contrived field is set to
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* limit for byte granular, and
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* (limit << 12) | 0xfff for page granular seg's
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*/
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#if BX_CPU_LEVEL >= 3
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Boolean g; /* granularity: 0=byte, 1=4K (page) */
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Boolean d_b; /* default size: 0=16bit, 1=32bit */
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Boolean avl; /* available for use by system */
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#endif
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} segment;
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struct {
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Bit8u word_count; /* 5bits (0..31) #words to copy from caller's stack
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* to called procedure's stack. (call gates only)*/
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Bit16u dest_selector;
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Bit16u dest_offset;
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} gate286;
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struct { // type 5: Task Gate Descriptor
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Bit16u tss_selector; // TSS segment selector
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} taskgate;
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#if BX_CPU_LEVEL >= 3
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struct {
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Bit8u dword_count; /* 5bits (0..31) #dwords to copy from caller's stack
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* to called procedure's stack. (call gates only)*/
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Bit16u dest_selector;
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Bit32u dest_offset;
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} gate386;
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#endif
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struct {
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Bit32u base; /* 24 bit 286 TSS base */
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Bit16u limit; /* 16 bit 286 TSS limit */
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} tss286;
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#if BX_CPU_LEVEL >= 3
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struct {
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Bit32u base; /* 32 bit 386 TSS base */
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Bit32u limit; /* 20 bit 386 TSS limit */
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Bit32u limit_scaled; // Same notes as for 'segment' field
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Boolean g; /* granularity: 0=byte, 1=4K (page) */
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Boolean avl; /* available for use by system */
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} tss386;
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#endif
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struct {
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Bit32u base; /* 286=24 386+ =32 bit LDT base */
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Bit16u limit; /* 286+ =16 bit LDT limit */
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} ldt;
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} u;
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} bx_descriptor_t;
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typedef struct {
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bx_selector_t selector;
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bx_descriptor_t cache;
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} bx_segment_reg_t;
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typedef void * (*BxVoidFPtr_t)(void);
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class BX_CPU_C;
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typedef struct BxInstruction_tag {
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// prefix stuff here...
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unsigned attr; // attribute from fetchdecode
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unsigned b1; // opcode1 byte
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unsigned rep_used;
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unsigned modrm; // mod-nnn-r/m byte
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unsigned mod;
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unsigned nnn;
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unsigned rm;
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Bit16u displ16u; // for 16-bit modrm forms
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Bit32u displ32u; // for 32-bit modrm forms
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unsigned seg;
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unsigned sib; // scale-index-base (2nd modrm byte)
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unsigned scale;
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unsigned index;
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unsigned base;
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Bit32u addr_displacement; // address displacement
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Bit32u rm_addr;
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Bit32u Id;
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Bit16u Iw;
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Bit8u Ib;
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Bit8u Ib2; // for ENTER_IwIb
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Bit16u Iw2; // for JMP_Ap
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unsigned ilen; // instruction length
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unsigned os_32, as_32; // OperandSize/AddressSize is 32bit
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unsigned flags_in, flags_out; // flags needed, flags modified
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#if BX_USE_CPU_SMF
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void (*ResolveModrm)(BxInstruction_tag *);
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void (*execute)(BxInstruction_tag *);
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#else
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void (BX_CPU_C::*ResolveModrm)(BxInstruction_tag *);
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void (BX_CPU_C::*execute)(BxInstruction_tag *);
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#endif
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#if BX_DYNAMIC_TRANSLATION
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BxVoidFPtr_t DTResolveModrm;
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#endif
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#if BX_DYNAMIC_TRANSLATION
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unsigned DTAttr;
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Bit8u * (*DTFPtr)(Bit8u *, BxInstruction_tag *);
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unsigned DTMemRegsUsed;
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#endif
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} BxInstruction_t;
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#if BX_USE_CPU_SMF
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typedef void (*BxExecutePtr_t)(BxInstruction_t *);
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#else
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typedef void (BX_CPU_C::*BxExecutePtr_t)(BxInstruction_t *);
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#endif
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#if BX_DYNAMIC_TRANSLATION
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typedef Bit8u * (*BxDTASResolveModrm_t)(Bit8u *, BxInstruction_t *,
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unsigned, unsigned);
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#endif
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#if BX_DYNAMIC_TRANSLATION
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// Arrays of function pointers which handle a specific
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// mod-rm address format
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extern BxDTASResolveModrm_t BxDTResolve32Mod0[];
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extern BxDTASResolveModrm_t BxDTResolve32Mod1or2[];
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extern BxDTASResolveModrm_t BxDTResolve32Mod0Base[];
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extern BxDTASResolveModrm_t BxDTResolve32Mod1or2Base[];
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extern BxDTASResolveModrm_t BxDTResolve16Mod1or2[];
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extern BxDTASResolveModrm_t BxDTResolve16Mod0[];
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#endif
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#if BX_CPU_LEVEL < 2
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/* no GDTR or IDTR register in an 8086 */
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#else
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typedef struct {
|
|
Bit32u base; /* base address: 24bits=286,32bits=386 */
|
|
Bit16u limit; /* limit, 16bits */
|
|
} bx_global_segment_reg_t;
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#if BX_USE_TLB
|
|
typedef struct {
|
|
Bit32u lpf; // linear page frame
|
|
Bit32u ppf; // physical page frame
|
|
Bit32u pte_addr; // Page Table Address for updating A & D bits
|
|
Bit32u combined_access;
|
|
} bx_TLB_entry;
|
|
#endif // #if BX_USE_TLB
|
|
|
|
|
|
|
|
#ifdef BX_BIG_ENDIAN
|
|
typedef struct {
|
|
union {
|
|
Bit32u erx;
|
|
struct {
|
|
Bit16u word_filler;
|
|
union {
|
|
Bit16u rx;
|
|
struct {
|
|
Bit8u rh;
|
|
Bit8u rl;
|
|
} byte;
|
|
};
|
|
} word;
|
|
};
|
|
} bx_gen_reg_t;
|
|
#else
|
|
typedef struct {
|
|
union {
|
|
Bit32u erx;
|
|
struct {
|
|
union {
|
|
Bit16u rx;
|
|
struct {
|
|
Bit8u rl;
|
|
Bit8u rh;
|
|
} byte;
|
|
};
|
|
Bit16u word_filler;
|
|
} word;
|
|
};
|
|
} bx_gen_reg_t;
|
|
#endif
|
|
|
|
|
|
typedef enum {
|
|
APIC_TYPE_NONE,
|
|
APIC_TYPE_IOAPIC,
|
|
APIC_TYPE_LOCAL_APIC
|
|
} bx_apic_type_t;
|
|
|
|
#if BX_APIC_SUPPORT
|
|
class bx_generic_apic_c : public logfunctions {
|
|
protected:
|
|
Bit32u base_addr;
|
|
Bit8u id;
|
|
#define APIC_UNKNOWN_ID 0xff
|
|
#define APIC_VERSION_ID 0x00170011 // same version as 82093 IOAPIC
|
|
public:
|
|
bx_generic_apic_c ();
|
|
virtual ~bx_generic_apic_c ();
|
|
virtual void init ();
|
|
virtual void hwreset () { }
|
|
Bit32u get_base (void) { return base_addr; }
|
|
void set_base (Bit32u newbase);
|
|
void set_id (Bit8u newid);
|
|
Bit8u get_id () { return id; }
|
|
virtual char *get_name();
|
|
Boolean is_selected (Bit32u addr, Bit32u len);
|
|
void read (Bit32u addr, void *data, unsigned len);
|
|
virtual void read_aligned(Bit32u address, Bit32u *data, unsigned len);
|
|
virtual void write(Bit32u address, Bit32u *value, unsigned len);
|
|
virtual void startup_msg (Bit32u vector);
|
|
// on local APIC, trigger means deliver to the CPU.
|
|
// on I/O APIC, trigger means direct to another APIC according to table.
|
|
virtual void trigger_irq (unsigned num, unsigned from);
|
|
virtual void untrigger_irq (unsigned num, unsigned from);
|
|
virtual Bit32u get_delivery_bitmask (Bit8u dest, Bit8u dest_mode);
|
|
Boolean deliver (Bit8u destination, Bit8u dest_mode, Bit8u delivery_mode, Bit8u vector, Bit8u polarity, Bit8u trig_mode);
|
|
virtual Boolean match_logical_addr (Bit8u address);
|
|
virtual bx_apic_type_t get_type ();
|
|
};
|
|
|
|
class bx_local_apic_c : public bx_generic_apic_c {
|
|
#define BX_LOCAL_APIC_MAX_INTS 256
|
|
// TMR=trigger mode register. Cleared for edge-triggered interrupts
|
|
// and set for level-triggered interrupts. If set, local APIC must send
|
|
// EOI message to all other APICs. EOI's are not implemented.
|
|
Bit8u tmr[BX_LOCAL_APIC_MAX_INTS];
|
|
// IRR=interrupt request register. When an interrupt is triggered by
|
|
// the I/O APIC or another processor, it sets a bit in irr. The bit is
|
|
// cleared when the interrupt is acknowledged by the processor.
|
|
Bit8u irr[BX_LOCAL_APIC_MAX_INTS];
|
|
// ISR=in-service register. When an IRR bit is cleared, the corresponding
|
|
// bit in ISR is set. The ISR bit is cleared when
|
|
Bit8u isr[BX_LOCAL_APIC_MAX_INTS];
|
|
Bit32u arb_id, arb_priority, task_priority, log_dest, dest_format, spurious_vec;
|
|
Bit32u lvt[6];
|
|
#define APIC_LVT_TIMER 0
|
|
#define APIC_LVT_THERMAL 1
|
|
#define APIC_LVT_PERFORM 2
|
|
#define APIC_LVT_LINT0 3
|
|
#define APIC_LVT_LINT1 4
|
|
#define APIC_LVT_ERROR 5
|
|
Bit32u timer_initial, timer_current, timer_divconf;
|
|
Boolean timer_active; // internal state, not accessible from bus
|
|
Bit32u timer_divide_counter, timer_divide_factor;
|
|
Bit32u apic_base_msr;
|
|
Bit32u icr_high, icr_low;
|
|
Bit32u err_status;
|
|
#define APIC_ERR_ILLEGAL_ADDR 0x80
|
|
#define APIC_ERR_RX_ILLEGAL_VEC 0x40
|
|
#define APIC_ERR_TX_ILLEGAL_VEC 0x20
|
|
#define APIC_ERR_RX_ACCEPT_ERR 0x08
|
|
#define APIC_ERR_TX_ACCEPT_ERR 0x04
|
|
#define APIC_ERR_RX_CHECKSUM 0x02
|
|
#define APIC_ERR_TX_CHECKSUM 0x01
|
|
public:
|
|
bx_local_apic_c(BX_CPU_C *mycpu);
|
|
virtual ~bx_local_apic_c(void);
|
|
BX_CPU_C *cpu;
|
|
virtual void hwreset ();
|
|
virtual void init ();
|
|
BX_CPU_C *get_cpu (Bit8u id);
|
|
void set_id (Bit8u newid); // redefine to set cpu->name
|
|
virtual char *get_name();
|
|
virtual void write (Bit32u addr, Bit32u *data, unsigned len);
|
|
virtual void read_aligned(Bit32u address, Bit32u *data, unsigned len);
|
|
virtual void startup_msg (Bit32u vector);
|
|
// on local APIC, trigger means raise the CPU's INTR line. For now
|
|
// I also have to raise pc_system.INTR but that should be replaced
|
|
// with the cpu-specific INTR signals.
|
|
virtual void trigger_irq (unsigned num, unsigned from);
|
|
virtual void untrigger_irq (unsigned num, unsigned from);
|
|
Bit8u acknowledge_int (); // only the local CPU should call this
|
|
int highest_priority_int (Bit8u *array);
|
|
void service_local_apic ();
|
|
void print_status ();
|
|
virtual Boolean match_logical_addr (Bit8u address);
|
|
virtual Boolean is_local_apic () { return true; }
|
|
virtual bx_apic_type_t get_type () { return APIC_TYPE_LOCAL_APIC; }
|
|
virtual Bit32u get_delivery_bitmask (Bit8u dest, Bit8u dest_mode);
|
|
Bit8u get_ppr ();
|
|
Bit8u get_apr ();
|
|
void periodic (Bit32u usec_delta);
|
|
void set_divide_configuration (Bit32u value);
|
|
};
|
|
|
|
#define APIC_MAX_ID 16
|
|
extern bx_generic_apic_c *apic_index[APIC_MAX_ID];
|
|
#endif // if BX_APIC_SUPPORT
|
|
|
|
|
|
#if BX_USE_CPU_SMF == 0
|
|
// normal member functions. This can ONLY be used within BX_CPU_C classes.
|
|
// Anyone on the outside should use the BX_CPU macro (defined in bochs.h)
|
|
// instead.
|
|
# define BX_CPU_THIS_PTR this->
|
|
# define BX_SMF
|
|
# define BX_CPU_C_PREFIX BX_CPU_C::
|
|
// with normal member functions, calling a member fn pointer looks like
|
|
// object->*(fnptr)(arg, ...);
|
|
// Since this is different from when SMF=1, encapsulate it in a macro.
|
|
# define BX_CPU_CALL_METHOD(func, args) \
|
|
(this->*((BxExecutePtr_t) (func))) args
|
|
#else
|
|
// static member functions. With SMF, there is only one CPU by definition.
|
|
# define BX_CPU_THIS_PTR BX_CPU(0)->
|
|
# define BX_SMF static
|
|
# define BX_CPU_C_PREFIX
|
|
# define BX_CPU_CALL_METHOD(func, args) \
|
|
((BxExecutePtr_t) (func)) args
|
|
#endif
|
|
|
|
typedef void (*BxDTShim_t)(void);
|
|
|
|
class BX_MEM_C;
|
|
|
|
class BX_CPU_C : public logfunctions {
|
|
|
|
public: // for now...
|
|
|
|
char name[64];
|
|
|
|
// General register set
|
|
// eax: accumulator
|
|
// ebx: base
|
|
// ecx: count
|
|
// edx: data
|
|
// ebp: base pointer
|
|
// esi: source index
|
|
// edi: destination index
|
|
// esp: stack pointer
|
|
bx_gen_reg_t gen_reg[8];
|
|
|
|
Bit32u eip; // instruction pointer
|
|
#if BX_CPU_LEVEL > 0
|
|
// so that we can back up when handling faults, exceptions, etc.
|
|
// we need to store the value of the instruction pointer, before
|
|
// each fetch/execute cycle.
|
|
Bit32u prev_eip;
|
|
#endif
|
|
// A few pointer to functions for use by the dynamic translation
|
|
// code. Keep them close to the gen_reg declaration, so I can
|
|
// use an 8bit offset to access them.
|
|
|
|
#if BX_DYNAMIC_TRANSLATION
|
|
BxDTShim_t DTWrite8vShim;
|
|
BxDTShim_t DTWrite16vShim;
|
|
BxDTShim_t DTWrite32vShim;
|
|
BxDTShim_t DTRead8vShim;
|
|
BxDTShim_t DTRead16vShim;
|
|
BxDTShim_t DTRead32vShim;
|
|
BxDTShim_t DTReadRMW8vShim;
|
|
BxDTShim_t DTReadRMW16vShim;
|
|
BxDTShim_t DTReadRMW32vShim;
|
|
BxDTShim_t DTWriteRMW8vShim;
|
|
BxDTShim_t DTWriteRMW16vShim;
|
|
BxDTShim_t DTWriteRMW32vShim;
|
|
BxDTShim_t DTSetFlagsOSZAPCPtr;
|
|
BxDTShim_t DTIndBrHandler;
|
|
BxDTShim_t DTDirBrHandler;
|
|
#endif
|
|
|
|
// status and control flags register set
|
|
Bit32u lf_flags_status;
|
|
Boolean lf_pf;
|
|
bx_flags_reg_t eflags;
|
|
|
|
bx_lf_flags_entry oszapc;
|
|
bx_lf_flags_entry oszap;
|
|
|
|
Bit32u prev_esp;
|
|
|
|
#define BX_INHIBIT_INTERRUPTS 0x01
|
|
#define BX_INHIBIT_DEBUG 0x02
|
|
// What events to inhibit at any given time. Certain instructions
|
|
// inhibit interrupts, some debug exceptions and single-step traps.
|
|
unsigned inhibit_mask;
|
|
|
|
/* user segment register set */
|
|
bx_segment_reg_t sregs[6];
|
|
|
|
/* system segment registers */
|
|
#if BX_CPU_LEVEL >= 2
|
|
bx_global_segment_reg_t gdtr; /* global descriptor table register */
|
|
bx_global_segment_reg_t idtr; /* interrupt descriptor table register */
|
|
#endif
|
|
bx_segment_reg_t ldtr; /* interrupt descriptor table register */
|
|
bx_segment_reg_t tr; /* task register */
|
|
|
|
|
|
/* debug registers 0-7 (unimplemented) */
|
|
#if BX_CPU_LEVEL >= 3
|
|
Bit32u dr0;
|
|
Bit32u dr1;
|
|
Bit32u dr2;
|
|
Bit32u dr3;
|
|
Bit32u dr6;
|
|
Bit32u dr7;
|
|
#endif
|
|
|
|
/* TR3 - TR7 (Test Register 3-7), unimplemented */
|
|
|
|
/* Control registers */
|
|
#if BX_CPU_LEVEL >= 2
|
|
bx_cr0_t cr0;
|
|
Bit32u cr1;
|
|
Bit32u cr2;
|
|
Bit32u cr3;
|
|
#endif
|
|
#if BX_CPU_LEVEL >= 4
|
|
Bit32u cr4;
|
|
#endif
|
|
|
|
// pointer to the address space that this processor uses.
|
|
BX_MEM_C *mem;
|
|
|
|
Boolean EXT; /* 1 if processing external interrupt or exception
|
|
* or if not related to current instruction,
|
|
* 0 if current CS:IP caused exception */
|
|
unsigned errorno; /* signal exception during instruction emulation */
|
|
|
|
Bit32u debug_trap; // holds DR6 value to be set as well
|
|
volatile Boolean async_event;
|
|
volatile Boolean INTR;
|
|
|
|
// for accessing registers by index number
|
|
Bit16u *_16bit_base_reg[8];
|
|
Bit16u *_16bit_index_reg[8];
|
|
Bit32u empty_register;
|
|
|
|
// for decoding instructions; accessing seg reg's by index
|
|
unsigned sreg_mod00_rm16[8];
|
|
unsigned sreg_mod01_rm16[8];
|
|
unsigned sreg_mod10_rm16[8];
|
|
unsigned sreg_mod01_rm32[8];
|
|
unsigned sreg_mod10_rm32[8];
|
|
unsigned sreg_mod0_base32[8];
|
|
unsigned sreg_mod1or2_base32[8];
|
|
|
|
// for exceptions
|
|
jmp_buf jmp_buf_env;
|
|
Bit8u curr_exception[2];
|
|
|
|
static const Boolean is_exception_OK[3][3];
|
|
|
|
bx_segment_reg_t save_cs;
|
|
bx_segment_reg_t save_ss;
|
|
Bit32u save_eip;
|
|
Bit32u save_esp;
|
|
|
|
// For prefetch'ing instructions
|
|
Bit32u bytesleft;
|
|
Bit8u *fetch_ptr;
|
|
Bit32u prev_linear_page;
|
|
Bit32u prev_phy_page;
|
|
Bit32u max_phy_addr;
|
|
|
|
#if BX_DEBUGGER
|
|
Bit8u break_point;
|
|
#ifdef MAGIC_BREAKPOINT
|
|
Bit8u magic_break;
|
|
#endif
|
|
Bit8u stop_reason;
|
|
Bit8u trace;
|
|
Bit8u mode_break; /* BW */
|
|
Boolean debug_vm; /* BW contains current mode*/
|
|
Bit8u show_eip; /* BW record eip at special instr f.ex eip */
|
|
Bit8u show_flag; /* BW shows instr class executed */
|
|
bx_guard_found_t guard_found;
|
|
#endif
|
|
|
|
// for paging
|
|
#if BX_USE_TLB
|
|
struct {
|
|
bx_TLB_entry entry[BX_TLB_SIZE];
|
|
} TLB;
|
|
#endif
|
|
|
|
struct {
|
|
Bit32u paddress1; // physical address after translation of 1st len1 bytes of data
|
|
Bit32u paddress2; // physical address after translation of 2nd len2 bytes of data
|
|
Bit32u len1; // number of bytes in page 1
|
|
Bit32u len2; // number of bytes in page 2
|
|
unsigned pages; // number of pages access spans (1 or 2)
|
|
} address_xlation;
|
|
|
|
// for lazy flags processing
|
|
BX_SMF Boolean get_OF(void);
|
|
BX_SMF Boolean get_SF(void);
|
|
BX_SMF Boolean get_ZF(void);
|
|
BX_SMF Boolean get_AF(void);
|
|
BX_SMF Boolean get_PF(void);
|
|
BX_SMF Boolean get_CF(void);
|
|
|
|
// constructors & destructors...
|
|
BX_CPU_C();
|
|
~BX_CPU_C(void);
|
|
void init (BX_MEM_C *addrspace);
|
|
|
|
// prototypes for CPU instructions...
|
|
BX_SMF void ADD_EbGb(BxInstruction_t *);
|
|
BX_SMF void ADD_EdGd(BxInstruction_t *);
|
|
BX_SMF void ADD_GbEb(BxInstruction_t *);
|
|
BX_SMF void ADD_GdEd(BxInstruction_t *);
|
|
BX_SMF void ADD_ALIb(BxInstruction_t *);
|
|
BX_SMF void ADD_EAXId(BxInstruction_t *);
|
|
BX_SMF void OR_EbGb(BxInstruction_t *);
|
|
BX_SMF void OR_EdGd(BxInstruction_t *);
|
|
BX_SMF void OR_EwGw(BxInstruction_t *);
|
|
BX_SMF void OR_GbEb(BxInstruction_t *);
|
|
BX_SMF void OR_GdEd(BxInstruction_t *);
|
|
BX_SMF void OR_GwEw(BxInstruction_t *);
|
|
BX_SMF void OR_ALIb(BxInstruction_t *);
|
|
BX_SMF void OR_EAXId(BxInstruction_t *);
|
|
BX_SMF void OR_AXIw(BxInstruction_t *);
|
|
|
|
BX_SMF void PUSH_CS(BxInstruction_t *);
|
|
BX_SMF void PUSH_DS(BxInstruction_t *);
|
|
BX_SMF void POP_DS(BxInstruction_t *);
|
|
BX_SMF void PUSH_ES(BxInstruction_t *);
|
|
BX_SMF void POP_ES(BxInstruction_t *);
|
|
BX_SMF void PUSH_FS(BxInstruction_t *);
|
|
BX_SMF void POP_FS(BxInstruction_t *);
|
|
BX_SMF void PUSH_GS(BxInstruction_t *);
|
|
BX_SMF void POP_GS(BxInstruction_t *);
|
|
BX_SMF void PUSH_SS(BxInstruction_t *);
|
|
BX_SMF void POP_SS(BxInstruction_t *);
|
|
|
|
BX_SMF void ADC_EbGb(BxInstruction_t *);
|
|
BX_SMF void ADC_EdGd(BxInstruction_t *);
|
|
BX_SMF void ADC_GbEb(BxInstruction_t *);
|
|
BX_SMF void ADC_GdEd(BxInstruction_t *);
|
|
BX_SMF void ADC_ALIb(BxInstruction_t *);
|
|
BX_SMF void ADC_EAXId(BxInstruction_t *);
|
|
BX_SMF void SBB_EbGb(BxInstruction_t *);
|
|
BX_SMF void SBB_EdGd(BxInstruction_t *);
|
|
BX_SMF void SBB_GbEb(BxInstruction_t *);
|
|
BX_SMF void SBB_GdEd(BxInstruction_t *);
|
|
BX_SMF void SBB_ALIb(BxInstruction_t *);
|
|
BX_SMF void SBB_EAXId(BxInstruction_t *);
|
|
|
|
BX_SMF void AND_EbGb(BxInstruction_t *);
|
|
BX_SMF void AND_EdGd(BxInstruction_t *);
|
|
BX_SMF void AND_EwGw(BxInstruction_t *);
|
|
BX_SMF void AND_GbEb(BxInstruction_t *);
|
|
BX_SMF void AND_GdEd(BxInstruction_t *);
|
|
BX_SMF void AND_GwEw(BxInstruction_t *);
|
|
BX_SMF void AND_ALIb(BxInstruction_t *);
|
|
BX_SMF void AND_EAXId(BxInstruction_t *);
|
|
BX_SMF void AND_AXIw(BxInstruction_t *);
|
|
BX_SMF void DAA(BxInstruction_t *);
|
|
BX_SMF void SUB_EbGb(BxInstruction_t *);
|
|
BX_SMF void SUB_EdGd(BxInstruction_t *);
|
|
BX_SMF void SUB_GbEb(BxInstruction_t *);
|
|
BX_SMF void SUB_GdEd(BxInstruction_t *);
|
|
BX_SMF void SUB_ALIb(BxInstruction_t *);
|
|
BX_SMF void SUB_EAXId(BxInstruction_t *);
|
|
BX_SMF void DAS(BxInstruction_t *);
|
|
|
|
BX_SMF void XOR_EbGb(BxInstruction_t *);
|
|
BX_SMF void XOR_EdGd(BxInstruction_t *);
|
|
BX_SMF void XOR_EwGw(BxInstruction_t *);
|
|
BX_SMF void XOR_GbEb(BxInstruction_t *);
|
|
BX_SMF void XOR_GdEd(BxInstruction_t *);
|
|
BX_SMF void XOR_GwEw(BxInstruction_t *);
|
|
BX_SMF void XOR_ALIb(BxInstruction_t *);
|
|
BX_SMF void XOR_EAXId(BxInstruction_t *);
|
|
BX_SMF void XOR_AXIw(BxInstruction_t *);
|
|
BX_SMF void AAA(BxInstruction_t *);
|
|
BX_SMF void CMP_EbGb(BxInstruction_t *);
|
|
BX_SMF void CMP_EdGd(BxInstruction_t *);
|
|
BX_SMF void CMP_GbEb(BxInstruction_t *);
|
|
BX_SMF void CMP_GdEd(BxInstruction_t *);
|
|
BX_SMF void CMP_ALIb(BxInstruction_t *);
|
|
BX_SMF void CMP_EAXId(BxInstruction_t *);
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BX_SMF void AAS(BxInstruction_t *);
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BX_SMF void PUSHAD32(BxInstruction_t *);
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BX_SMF void PUSHAD16(BxInstruction_t *);
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BX_SMF void POPAD32(BxInstruction_t *);
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BX_SMF void POPAD16(BxInstruction_t *);
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BX_SMF void BOUND_GvMa(BxInstruction_t *);
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BX_SMF void ARPL_EwGw(BxInstruction_t *);
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BX_SMF void PUSH_Id(BxInstruction_t *);
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BX_SMF void PUSH_Iw(BxInstruction_t *);
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BX_SMF void IMUL_GdEdId(BxInstruction_t *);
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BX_SMF void INSB_YbDX(BxInstruction_t *);
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BX_SMF void INSW_YvDX(BxInstruction_t *);
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BX_SMF void OUTSB_DXXb(BxInstruction_t *);
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BX_SMF void OUTSW_DXXv(BxInstruction_t *);
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BX_SMF void TEST_EbGb(BxInstruction_t *);
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BX_SMF void TEST_EdGd(BxInstruction_t *);
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BX_SMF void TEST_EwGw(BxInstruction_t *);
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BX_SMF void XCHG_EbGb(BxInstruction_t *);
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BX_SMF void XCHG_EdGd(BxInstruction_t *);
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BX_SMF void XCHG_EwGw(BxInstruction_t *);
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BX_SMF void MOV_EbGb(BxInstruction_t *);
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BX_SMF void MOV_EdGd(BxInstruction_t *);
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BX_SMF void MOV_EwGw(BxInstruction_t *);
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BX_SMF void MOV_GbEb(BxInstruction_t *);
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BX_SMF void MOV_GdEd(BxInstruction_t *);
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BX_SMF void MOV_GwEw(BxInstruction_t *);
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BX_SMF void MOV_EwSw(BxInstruction_t *);
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BX_SMF void LEA_GdM(BxInstruction_t *);
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BX_SMF void LEA_GwM(BxInstruction_t *);
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BX_SMF void MOV_SwEw(BxInstruction_t *);
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BX_SMF void POP_Ev(BxInstruction_t *);
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BX_SMF void CBW(BxInstruction_t *);
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BX_SMF void CWD(BxInstruction_t *);
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BX_SMF void CALL32_Ap(BxInstruction_t *);
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BX_SMF void CALL16_Ap(BxInstruction_t *);
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BX_SMF void FWAIT(BxInstruction_t *);
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BX_SMF void PUSHF_Fv(BxInstruction_t *);
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BX_SMF void POPF_Fv(BxInstruction_t *);
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BX_SMF void SAHF(BxInstruction_t *);
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BX_SMF void LAHF(BxInstruction_t *);
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BX_SMF void MOV_ALOb(BxInstruction_t *);
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BX_SMF void MOV_EAXOd(BxInstruction_t *);
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BX_SMF void MOV_AXOw(BxInstruction_t *);
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BX_SMF void MOV_ObAL(BxInstruction_t *);
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BX_SMF void MOV_OdEAX(BxInstruction_t *);
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BX_SMF void MOV_OwAX(BxInstruction_t *);
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BX_SMF void MOVSB_XbYb(BxInstruction_t *);
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BX_SMF void MOVSW_XvYv(BxInstruction_t *);
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BX_SMF void CMPSB_XbYb(BxInstruction_t *);
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BX_SMF void CMPSW_XvYv(BxInstruction_t *);
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BX_SMF void TEST_ALIb(BxInstruction_t *);
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BX_SMF void TEST_EAXId(BxInstruction_t *);
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BX_SMF void TEST_AXIw(BxInstruction_t *);
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BX_SMF void STOSB_YbAL(BxInstruction_t *);
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|
BX_SMF void STOSW_YveAX(BxInstruction_t *);
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BX_SMF void LODSB_ALXb(BxInstruction_t *);
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BX_SMF void LODSW_eAXXv(BxInstruction_t *);
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BX_SMF void SCASB_ALXb(BxInstruction_t *);
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BX_SMF void SCASW_eAXXv(BxInstruction_t *);
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|
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BX_SMF void RETnear32(BxInstruction_t *);
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|
BX_SMF void RETnear16(BxInstruction_t *);
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|
BX_SMF void LES_GvMp(BxInstruction_t *);
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|
BX_SMF void LDS_GvMp(BxInstruction_t *);
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BX_SMF void MOV_EbIb(BxInstruction_t *);
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BX_SMF void MOV_EdId(BxInstruction_t *);
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BX_SMF void MOV_EwIw(BxInstruction_t *);
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BX_SMF void ENTER_IwIb(BxInstruction_t *);
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|
BX_SMF void LEAVE(BxInstruction_t *);
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|
BX_SMF void RETfar32(BxInstruction_t *);
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|
BX_SMF void RETfar16(BxInstruction_t *);
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|
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|
BX_SMF void INT1(BxInstruction_t *);
|
|
BX_SMF void INT3(BxInstruction_t *);
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|
BX_SMF void INT_Ib(BxInstruction_t *);
|
|
BX_SMF void INTO(BxInstruction_t *);
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|
BX_SMF void IRET32(BxInstruction_t *);
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|
BX_SMF void IRET16(BxInstruction_t *);
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|
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|
BX_SMF void AAM(BxInstruction_t *);
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|
BX_SMF void AAD(BxInstruction_t *);
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|
BX_SMF void SALC(BxInstruction_t *);
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|
BX_SMF void XLAT(BxInstruction_t *);
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|
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|
BX_SMF void LOOPNE_Jb(BxInstruction_t *);
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|
BX_SMF void LOOPE_Jb(BxInstruction_t *);
|
|
BX_SMF void LOOP_Jb(BxInstruction_t *);
|
|
BX_SMF void JCXZ_Jb(BxInstruction_t *);
|
|
BX_SMF void IN_ALIb(BxInstruction_t *);
|
|
BX_SMF void IN_eAXIb(BxInstruction_t *);
|
|
BX_SMF void OUT_IbAL(BxInstruction_t *);
|
|
BX_SMF void OUT_IbeAX(BxInstruction_t *);
|
|
BX_SMF void CALL_Aw(BxInstruction_t *);
|
|
BX_SMF void CALL_Ad(BxInstruction_t *);
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|
BX_SMF void JMP_Jd(BxInstruction_t *);
|
|
BX_SMF void JMP_Jw(BxInstruction_t *);
|
|
BX_SMF void JMP_Ap(BxInstruction_t *);
|
|
BX_SMF void IN_ALDX(BxInstruction_t *);
|
|
BX_SMF void IN_eAXDX(BxInstruction_t *);
|
|
BX_SMF void OUT_DXAL(BxInstruction_t *);
|
|
BX_SMF void OUT_DXeAX(BxInstruction_t *);
|
|
|
|
BX_SMF void HLT(BxInstruction_t *);
|
|
BX_SMF void CMC(BxInstruction_t *);
|
|
BX_SMF void CLC(BxInstruction_t *);
|
|
BX_SMF void STC(BxInstruction_t *);
|
|
BX_SMF void CLI(BxInstruction_t *);
|
|
BX_SMF void STI(BxInstruction_t *);
|
|
BX_SMF void CLD(BxInstruction_t *);
|
|
BX_SMF void STD(BxInstruction_t *);
|
|
|
|
|
|
BX_SMF void LAR_GvEw(BxInstruction_t *);
|
|
BX_SMF void LSL_GvEw(BxInstruction_t *);
|
|
BX_SMF void CLTS(BxInstruction_t *);
|
|
BX_SMF void INVD(BxInstruction_t *);
|
|
BX_SMF void WBINVD(BxInstruction_t *);
|
|
|
|
BX_SMF void MOV_CdRd(BxInstruction_t *);
|
|
BX_SMF void MOV_DdRd(BxInstruction_t *);
|
|
BX_SMF void MOV_RdCd(BxInstruction_t *);
|
|
BX_SMF void MOV_RdDd(BxInstruction_t *);
|
|
BX_SMF void MOV_TdRd(BxInstruction_t *);
|
|
BX_SMF void MOV_RdTd(BxInstruction_t *);
|
|
|
|
BX_SMF void JCC_Jd(BxInstruction_t *);
|
|
BX_SMF void JCC_Jw(BxInstruction_t *);
|
|
|
|
BX_SMF void SETO_Eb(BxInstruction_t *);
|
|
BX_SMF void SETNO_Eb(BxInstruction_t *);
|
|
BX_SMF void SETB_Eb(BxInstruction_t *);
|
|
BX_SMF void SETNB_Eb(BxInstruction_t *);
|
|
BX_SMF void SETZ_Eb(BxInstruction_t *);
|
|
BX_SMF void SETNZ_Eb(BxInstruction_t *);
|
|
BX_SMF void SETBE_Eb(BxInstruction_t *);
|
|
BX_SMF void SETNBE_Eb(BxInstruction_t *);
|
|
BX_SMF void SETS_Eb(BxInstruction_t *);
|
|
BX_SMF void SETNS_Eb(BxInstruction_t *);
|
|
BX_SMF void SETP_Eb(BxInstruction_t *);
|
|
BX_SMF void SETNP_Eb(BxInstruction_t *);
|
|
BX_SMF void SETL_Eb(BxInstruction_t *);
|
|
BX_SMF void SETNL_Eb(BxInstruction_t *);
|
|
BX_SMF void SETLE_Eb(BxInstruction_t *);
|
|
BX_SMF void SETNLE_Eb(BxInstruction_t *);
|
|
|
|
BX_SMF void CPUID(BxInstruction_t *);
|
|
BX_SMF void BT_EvGv(BxInstruction_t *);
|
|
BX_SMF void SHLD_EdGd(BxInstruction_t *);
|
|
BX_SMF void SHLD_EwGw(BxInstruction_t *);
|
|
|
|
|
|
BX_SMF void BTS_EvGv(BxInstruction_t *);
|
|
|
|
BX_SMF void SHRD_EwGw(BxInstruction_t *);
|
|
BX_SMF void SHRD_EdGd(BxInstruction_t *);
|
|
|
|
BX_SMF void IMUL_GdEd(BxInstruction_t *);
|
|
|
|
BX_SMF void LSS_GvMp(BxInstruction_t *);
|
|
BX_SMF void BTR_EvGv(BxInstruction_t *);
|
|
BX_SMF void LFS_GvMp(BxInstruction_t *);
|
|
BX_SMF void LGS_GvMp(BxInstruction_t *);
|
|
BX_SMF void MOVZX_GdEb(BxInstruction_t *);
|
|
BX_SMF void MOVZX_GwEb(BxInstruction_t *);
|
|
BX_SMF void MOVZX_GdEw(BxInstruction_t *);
|
|
BX_SMF void MOVZX_GwEw(BxInstruction_t *);
|
|
BX_SMF void BTC_EvGv(BxInstruction_t *);
|
|
BX_SMF void BSF_GvEv(BxInstruction_t *);
|
|
BX_SMF void BSR_GvEv(BxInstruction_t *);
|
|
BX_SMF void MOVSX_GdEb(BxInstruction_t *);
|
|
BX_SMF void MOVSX_GwEb(BxInstruction_t *);
|
|
BX_SMF void MOVSX_GdEw(BxInstruction_t *);
|
|
BX_SMF void MOVSX_GwEw(BxInstruction_t *);
|
|
|
|
BX_SMF void BSWAP_EAX(BxInstruction_t *);
|
|
BX_SMF void BSWAP_ECX(BxInstruction_t *);
|
|
BX_SMF void BSWAP_EDX(BxInstruction_t *);
|
|
BX_SMF void BSWAP_EBX(BxInstruction_t *);
|
|
BX_SMF void BSWAP_ESP(BxInstruction_t *);
|
|
BX_SMF void BSWAP_EBP(BxInstruction_t *);
|
|
BX_SMF void BSWAP_ESI(BxInstruction_t *);
|
|
BX_SMF void BSWAP_EDI(BxInstruction_t *);
|
|
|
|
BX_SMF void ADD_EbIb(BxInstruction_t *);
|
|
BX_SMF void ADC_EbIb(BxInstruction_t *);
|
|
BX_SMF void SBB_EbIb(BxInstruction_t *);
|
|
BX_SMF void SUB_EbIb(BxInstruction_t *);
|
|
BX_SMF void CMP_EbIb(BxInstruction_t *);
|
|
|
|
BX_SMF void XOR_EbIb(BxInstruction_t *);
|
|
BX_SMF void OR_EbIb(BxInstruction_t *);
|
|
BX_SMF void AND_EbIb(BxInstruction_t *);
|
|
|
|
BX_SMF void ADD_EdId(BxInstruction_t *);
|
|
BX_SMF void OR_EdId(BxInstruction_t *);
|
|
BX_SMF void OR_EwIw(BxInstruction_t *);
|
|
BX_SMF void ADC_EdId(BxInstruction_t *);
|
|
BX_SMF void SBB_EdId(BxInstruction_t *);
|
|
BX_SMF void AND_EdId(BxInstruction_t *);
|
|
BX_SMF void AND_EwIw(BxInstruction_t *);
|
|
BX_SMF void SUB_EdId(BxInstruction_t *);
|
|
BX_SMF void XOR_EdId(BxInstruction_t *);
|
|
BX_SMF void XOR_EwIw(BxInstruction_t *);
|
|
BX_SMF void CMP_EdId(BxInstruction_t *);
|
|
|
|
BX_SMF void ROL_Eb(BxInstruction_t *);
|
|
BX_SMF void ROR_Eb(BxInstruction_t *);
|
|
BX_SMF void RCL_Eb(BxInstruction_t *);
|
|
BX_SMF void RCR_Eb(BxInstruction_t *);
|
|
BX_SMF void SHL_Eb(BxInstruction_t *);
|
|
BX_SMF void SHR_Eb(BxInstruction_t *);
|
|
BX_SMF void SAR_Eb(BxInstruction_t *);
|
|
|
|
BX_SMF void ROL_Ed(BxInstruction_t *);
|
|
BX_SMF void ROL_Ew(BxInstruction_t *);
|
|
BX_SMF void ROR_Ed(BxInstruction_t *);
|
|
BX_SMF void ROR_Ew(BxInstruction_t *);
|
|
BX_SMF void RCL_Ed(BxInstruction_t *);
|
|
BX_SMF void RCL_Ew(BxInstruction_t *);
|
|
BX_SMF void RCR_Ed(BxInstruction_t *);
|
|
BX_SMF void RCR_Ew(BxInstruction_t *);
|
|
BX_SMF void SHL_Ed(BxInstruction_t *);
|
|
BX_SMF void SHL_Ew(BxInstruction_t *);
|
|
BX_SMF void SHR_Ed(BxInstruction_t *);
|
|
BX_SMF void SHR_Ew(BxInstruction_t *);
|
|
BX_SMF void SAR_Ed(BxInstruction_t *);
|
|
BX_SMF void SAR_Ew(BxInstruction_t *);
|
|
|
|
BX_SMF void TEST_EbIb(BxInstruction_t *);
|
|
BX_SMF void NOT_Eb(BxInstruction_t *);
|
|
BX_SMF void NEG_Eb(BxInstruction_t *);
|
|
BX_SMF void MUL_ALEb(BxInstruction_t *);
|
|
BX_SMF void IMUL_ALEb(BxInstruction_t *);
|
|
BX_SMF void DIV_ALEb(BxInstruction_t *);
|
|
BX_SMF void IDIV_ALEb(BxInstruction_t *);
|
|
|
|
BX_SMF void TEST_EdId(BxInstruction_t *);
|
|
BX_SMF void TEST_EwIw(BxInstruction_t *);
|
|
BX_SMF void NOT_Ed(BxInstruction_t *);
|
|
BX_SMF void NOT_Ew(BxInstruction_t *);
|
|
BX_SMF void NEG_Ed(BxInstruction_t *);
|
|
BX_SMF void MUL_EAXEd(BxInstruction_t *);
|
|
BX_SMF void IMUL_EAXEd(BxInstruction_t *);
|
|
BX_SMF void DIV_EAXEd(BxInstruction_t *);
|
|
BX_SMF void IDIV_EAXEd(BxInstruction_t *);
|
|
|
|
BX_SMF void INC_Eb(BxInstruction_t *);
|
|
BX_SMF void DEC_Eb(BxInstruction_t *);
|
|
|
|
BX_SMF void INC_Ed(BxInstruction_t *);
|
|
BX_SMF void DEC_Ed(BxInstruction_t *);
|
|
BX_SMF void CALL_Ed(BxInstruction_t *);
|
|
BX_SMF void CALL_Ew(BxInstruction_t *);
|
|
BX_SMF void CALL32_Ep(BxInstruction_t *);
|
|
BX_SMF void CALL16_Ep(BxInstruction_t *);
|
|
BX_SMF void JMP_Ed(BxInstruction_t *);
|
|
BX_SMF void JMP_Ew(BxInstruction_t *);
|
|
BX_SMF void JMP32_Ep(BxInstruction_t *);
|
|
BX_SMF void JMP16_Ep(BxInstruction_t *);
|
|
BX_SMF void PUSH_Ed(BxInstruction_t *);
|
|
BX_SMF void PUSH_Ew(BxInstruction_t *);
|
|
|
|
BX_SMF void SLDT_Ew(BxInstruction_t *);
|
|
BX_SMF void STR_Ew(BxInstruction_t *);
|
|
BX_SMF void LLDT_Ew(BxInstruction_t *);
|
|
BX_SMF void LTR_Ew(BxInstruction_t *);
|
|
BX_SMF void VERR_Ew(BxInstruction_t *);
|
|
BX_SMF void VERW_Ew(BxInstruction_t *);
|
|
|
|
BX_SMF void SGDT_Ms(BxInstruction_t *);
|
|
BX_SMF void SIDT_Ms(BxInstruction_t *);
|
|
BX_SMF void LGDT_Ms(BxInstruction_t *);
|
|
BX_SMF void LIDT_Ms(BxInstruction_t *);
|
|
BX_SMF void SMSW_Ew(BxInstruction_t *);
|
|
BX_SMF void LMSW_Ew(BxInstruction_t *);
|
|
|
|
|
|
BX_SMF void BT_EvIb(BxInstruction_t *);
|
|
BX_SMF void BTS_EvIb(BxInstruction_t *);
|
|
BX_SMF void BTR_EvIb(BxInstruction_t *);
|
|
BX_SMF void BTC_EvIb(BxInstruction_t *);
|
|
|
|
BX_SMF void ESC0(BxInstruction_t *);
|
|
BX_SMF void ESC1(BxInstruction_t *);
|
|
BX_SMF void ESC2(BxInstruction_t *);
|
|
BX_SMF void ESC3(BxInstruction_t *);
|
|
BX_SMF void ESC4(BxInstruction_t *);
|
|
BX_SMF void ESC5(BxInstruction_t *);
|
|
BX_SMF void ESC6(BxInstruction_t *);
|
|
BX_SMF void ESC7(BxInstruction_t *);
|
|
|
|
BX_SMF void fpu_execute(BxInstruction_t *i);
|
|
BX_SMF void fpu_init(void);
|
|
|
|
BX_SMF void CMPXCHG_XBTS(BxInstruction_t *);
|
|
BX_SMF void CMPXCHG_IBTS(BxInstruction_t *);
|
|
BX_SMF void CMPXCHG_EbGb(BxInstruction_t *);
|
|
BX_SMF void CMPXCHG_EdGd(BxInstruction_t *);
|
|
BX_SMF void CMPXCHG8B(BxInstruction_t *);
|
|
BX_SMF void XADD_EbGb(BxInstruction_t *);
|
|
BX_SMF void XADD_EdGd(BxInstruction_t *);
|
|
BX_SMF void RETnear32_Iw(BxInstruction_t *);
|
|
BX_SMF void RETnear16_Iw(BxInstruction_t *);
|
|
BX_SMF void RETfar32_Iw(BxInstruction_t *);
|
|
BX_SMF void RETfar16_Iw(BxInstruction_t *);
|
|
|
|
BX_SMF void LOADALL(BxInstruction_t *);
|
|
BX_SMF void CMOV_GdEd(BxInstruction_t *);
|
|
BX_SMF void CMOV_GwEw(BxInstruction_t *);
|
|
|
|
BX_SMF void ADD_EwGw(BxInstruction_t *);
|
|
BX_SMF void ADD_GwEw(BxInstruction_t *);
|
|
BX_SMF void ADD_AXIw(BxInstruction_t *);
|
|
BX_SMF void ADC_EwGw(BxInstruction_t *);
|
|
BX_SMF void ADC_GwEw(BxInstruction_t *);
|
|
BX_SMF void ADC_AXIw(BxInstruction_t *);
|
|
BX_SMF void SBB_EwGw(BxInstruction_t *);
|
|
BX_SMF void SBB_GwEw(BxInstruction_t *);
|
|
BX_SMF void SBB_AXIw(BxInstruction_t *);
|
|
BX_SMF void SBB_EwIw(BxInstruction_t *);
|
|
BX_SMF void SUB_EwGw(BxInstruction_t *);
|
|
BX_SMF void SUB_GwEw(BxInstruction_t *);
|
|
BX_SMF void SUB_AXIw(BxInstruction_t *);
|
|
BX_SMF void CMP_EwGw(BxInstruction_t *);
|
|
BX_SMF void CMP_GwEw(BxInstruction_t *);
|
|
BX_SMF void CMP_AXIw(BxInstruction_t *);
|
|
BX_SMF void CWDE(BxInstruction_t *);
|
|
BX_SMF void CDQ(BxInstruction_t *);
|
|
BX_SMF void XADD_EwGw(BxInstruction_t *);
|
|
BX_SMF void ADD_EwIw(BxInstruction_t *);
|
|
BX_SMF void ADC_EwIw(BxInstruction_t *);
|
|
BX_SMF void SUB_EwIw(BxInstruction_t *);
|
|
BX_SMF void CMP_EwIw(BxInstruction_t *);
|
|
BX_SMF void NEG_Ew(BxInstruction_t *);
|
|
BX_SMF void INC_Ew(BxInstruction_t *);
|
|
BX_SMF void DEC_Ew(BxInstruction_t *);
|
|
BX_SMF void CMPXCHG_EwGw(BxInstruction_t *);
|
|
BX_SMF void MUL_AXEw(BxInstruction_t *);
|
|
BX_SMF void IMUL_AXEw(BxInstruction_t *);
|
|
BX_SMF void DIV_AXEw(BxInstruction_t *);
|
|
BX_SMF void IDIV_AXEw(BxInstruction_t *);
|
|
BX_SMF void IMUL_GwEwIw(BxInstruction_t *);
|
|
BX_SMF void IMUL_GwEw(BxInstruction_t *);
|
|
BX_SMF void NOP(BxInstruction_t *);
|
|
BX_SMF void MOV_RLIb(BxInstruction_t *);
|
|
BX_SMF void MOV_RHIb(BxInstruction_t *);
|
|
BX_SMF void MOV_RXIw(BxInstruction_t *);
|
|
BX_SMF void MOV_ERXId(BxInstruction_t *);
|
|
BX_SMF void INC_RX(BxInstruction_t *);
|
|
BX_SMF void DEC_RX(BxInstruction_t *);
|
|
BX_SMF void INC_ERX(BxInstruction_t *);
|
|
BX_SMF void DEC_ERX(BxInstruction_t *);
|
|
BX_SMF void PUSH_RX(BxInstruction_t *);
|
|
BX_SMF void POP_RX(BxInstruction_t *);
|
|
BX_SMF void PUSH_ERX(BxInstruction_t *);
|
|
BX_SMF void POP_ERX(BxInstruction_t *);
|
|
BX_SMF void POP_Ew(BxInstruction_t *);
|
|
BX_SMF void POP_Ed(BxInstruction_t *);
|
|
BX_SMF void XCHG_RXAX(BxInstruction_t *);
|
|
BX_SMF void XCHG_ERXEAX(BxInstruction_t *);
|
|
|
|
// mch added
|
|
BX_SMF void INVLPG(BxInstruction_t *);
|
|
BX_SMF void wait_for_interrupt();
|
|
BX_SMF void RSM(BxInstruction_t *);
|
|
|
|
BX_SMF void WRMSR(BxInstruction_t *);
|
|
BX_SMF void RDTSC(BxInstruction_t *);
|
|
BX_SMF void RDMSR(BxInstruction_t *);
|
|
BX_SMF void SetCR0(Bit32u val_32);
|
|
BX_SMF void dynamic_translate(void);
|
|
BX_SMF void dynamic_init(void);
|
|
BX_SMF unsigned FetchDecode(Bit8u *, BxInstruction_t *, unsigned, Boolean);
|
|
BX_SMF void UndefinedOpcode(BxInstruction_t *);
|
|
BX_SMF void BxError(BxInstruction_t *i);
|
|
BX_SMF void BxResolveError(BxInstruction_t *i);
|
|
|
|
BX_SMF void Resolve16Mod0Rm0(BxInstruction_t *);
|
|
BX_SMF void Resolve16Mod0Rm1(BxInstruction_t *);
|
|
BX_SMF void Resolve16Mod0Rm2(BxInstruction_t *);
|
|
BX_SMF void Resolve16Mod0Rm3(BxInstruction_t *);
|
|
BX_SMF void Resolve16Mod0Rm4(BxInstruction_t *);
|
|
BX_SMF void Resolve16Mod0Rm5(BxInstruction_t *);
|
|
BX_SMF void Resolve16Mod0Rm7(BxInstruction_t *);
|
|
|
|
BX_SMF void Resolve16Mod1or2Rm0(BxInstruction_t *);
|
|
BX_SMF void Resolve16Mod1or2Rm1(BxInstruction_t *);
|
|
BX_SMF void Resolve16Mod1or2Rm2(BxInstruction_t *);
|
|
BX_SMF void Resolve16Mod1or2Rm3(BxInstruction_t *);
|
|
BX_SMF void Resolve16Mod1or2Rm4(BxInstruction_t *);
|
|
BX_SMF void Resolve16Mod1or2Rm5(BxInstruction_t *);
|
|
BX_SMF void Resolve16Mod1or2Rm6(BxInstruction_t *);
|
|
BX_SMF void Resolve16Mod1or2Rm7(BxInstruction_t *);
|
|
|
|
BX_SMF void Resolve32Mod0Rm0(BxInstruction_t *);
|
|
BX_SMF void Resolve32Mod0Rm1(BxInstruction_t *);
|
|
BX_SMF void Resolve32Mod0Rm2(BxInstruction_t *);
|
|
BX_SMF void Resolve32Mod0Rm3(BxInstruction_t *);
|
|
BX_SMF void Resolve32Mod0Rm6(BxInstruction_t *);
|
|
BX_SMF void Resolve32Mod0Rm7(BxInstruction_t *);
|
|
|
|
BX_SMF void Resolve32Mod1or2Rm0(BxInstruction_t *);
|
|
BX_SMF void Resolve32Mod1or2Rm1(BxInstruction_t *);
|
|
BX_SMF void Resolve32Mod1or2Rm2(BxInstruction_t *);
|
|
BX_SMF void Resolve32Mod1or2Rm3(BxInstruction_t *);
|
|
BX_SMF void Resolve32Mod1or2Rm5(BxInstruction_t *);
|
|
BX_SMF void Resolve32Mod1or2Rm6(BxInstruction_t *);
|
|
BX_SMF void Resolve32Mod1or2Rm7(BxInstruction_t *);
|
|
|
|
BX_SMF void Resolve32Mod0Base0(BxInstruction_t *);
|
|
BX_SMF void Resolve32Mod0Base1(BxInstruction_t *);
|
|
BX_SMF void Resolve32Mod0Base2(BxInstruction_t *);
|
|
BX_SMF void Resolve32Mod0Base3(BxInstruction_t *);
|
|
BX_SMF void Resolve32Mod0Base4(BxInstruction_t *);
|
|
BX_SMF void Resolve32Mod0Base5(BxInstruction_t *);
|
|
BX_SMF void Resolve32Mod0Base6(BxInstruction_t *);
|
|
BX_SMF void Resolve32Mod0Base7(BxInstruction_t *);
|
|
|
|
BX_SMF void Resolve32Mod1or2Base0(BxInstruction_t *);
|
|
BX_SMF void Resolve32Mod1or2Base1(BxInstruction_t *);
|
|
BX_SMF void Resolve32Mod1or2Base2(BxInstruction_t *);
|
|
BX_SMF void Resolve32Mod1or2Base3(BxInstruction_t *);
|
|
BX_SMF void Resolve32Mod1or2Base4(BxInstruction_t *);
|
|
BX_SMF void Resolve32Mod1or2Base5(BxInstruction_t *);
|
|
BX_SMF void Resolve32Mod1or2Base6(BxInstruction_t *);
|
|
BX_SMF void Resolve32Mod1or2Base7(BxInstruction_t *);
|
|
|
|
|
|
BX_SMF void REP(void (*)(void));
|
|
BX_SMF void REP_ZF(void (*)(void), unsigned rep_prefix);
|
|
#if BX_DEBUGGER
|
|
BX_SMF void dbg_take_irq(void);
|
|
BX_SMF void dbg_force_interrupt(unsigned vector);
|
|
BX_SMF void dbg_take_dma(void);
|
|
BX_SMF Boolean dbg_get_cpu(bx_dbg_cpu_t *cpu);
|
|
BX_SMF Boolean dbg_set_cpu(bx_dbg_cpu_t *cpu);
|
|
BX_SMF Boolean dbg_set_reg(unsigned reg, Bit32u val);
|
|
BX_SMF Bit32u dbg_get_reg(unsigned reg);
|
|
BX_SMF Boolean dbg_get_sreg(bx_dbg_sreg_t *sreg, unsigned sreg_no);
|
|
BX_SMF unsigned dbg_query_pending(void);
|
|
BX_SMF Bit32u dbg_get_descriptor_l(bx_descriptor_t *);
|
|
BX_SMF Bit32u dbg_get_descriptor_h(bx_descriptor_t *);
|
|
BX_SMF Bit32u dbg_get_eflags(void);
|
|
BX_SMF Boolean dbg_is_begin_instr_bpoint(Bit32u cs, Bit32u eip, Bit32u laddr,
|
|
Bit32u is_32);
|
|
BX_SMF Boolean dbg_is_end_instr_bpoint(Bit32u cs, Bit32u eip,
|
|
Bit32u laddr, Bit32u is_32);
|
|
#endif
|
|
#if BX_DEBUGGER || BX_DISASM || BX_INSTRUMENTATION
|
|
BX_SMF void dbg_xlate_linear2phy(Bit32u linear, Bit32u *phy, Boolean *valid);
|
|
#endif
|
|
BX_SMF void atexit(void);
|
|
|
|
// now for some ancillary functions...
|
|
BX_SMF void cpu_loop(Bit32s max_instr_count);
|
|
BX_SMF void decode_exgx16(unsigned need_fetch);
|
|
BX_SMF void decode_exgx32(unsigned need_fetch);
|
|
|
|
BX_SMF void prefetch(void);
|
|
BX_SMF void revalidate_prefetch_q(void);
|
|
BX_SMF void invalidate_prefetch_q(void);
|
|
|
|
BX_SMF void write_virtual_checks(bx_segment_reg_t *seg, Bit32u offset, unsigned length);
|
|
BX_SMF void read_virtual_checks(bx_segment_reg_t *seg, Bit32u offset, unsigned length);
|
|
BX_SMF void write_virtual_byte(unsigned seg, Bit32u offset, Bit8u *data);
|
|
BX_SMF void write_virtual_word(unsigned seg, Bit32u offset, Bit16u *data);
|
|
BX_SMF void write_virtual_dword(unsigned seg, Bit32u offset, Bit32u *data);
|
|
BX_SMF void read_virtual_byte(unsigned seg, Bit32u offset, Bit8u *data);
|
|
BX_SMF void read_virtual_word(unsigned seg, Bit32u offset, Bit16u *data);
|
|
BX_SMF void read_virtual_dword(unsigned seg, Bit32u offset, Bit32u *data);
|
|
|
|
BX_SMF void read_RMW_virtual_byte(unsigned seg, Bit32u offset, Bit8u *data);
|
|
BX_SMF void read_RMW_virtual_word(unsigned seg, Bit32u offset, Bit16u *data);
|
|
BX_SMF void read_RMW_virtual_dword(unsigned seg, Bit32u offset, Bit32u *data);
|
|
BX_SMF void write_RMW_virtual_byte(Bit8u val8);
|
|
BX_SMF void write_RMW_virtual_word(Bit16u val16);
|
|
BX_SMF void write_RMW_virtual_dword(Bit32u val32);
|
|
|
|
BX_SMF void access_linear(Bit32u address, unsigned length, unsigned pl,
|
|
unsigned rw, void *data);
|
|
BX_SMF Bit32u itranslate_linear(Bit32u laddress, unsigned pl);
|
|
BX_SMF Bit32u dtranslate_linear(Bit32u laddress, unsigned pl, unsigned rw);
|
|
BX_SMF void TLB_flush(void);
|
|
BX_SMF void TLB_clear(void);
|
|
BX_SMF void TLB_init(void);
|
|
BX_SMF void set_INTR(Boolean value);
|
|
BX_SMF char *strseg(bx_segment_reg_t *seg);
|
|
BX_SMF void interrupt(Bit8u vector, Boolean is_INT, Boolean is_error_code,
|
|
Bit16u error_code);
|
|
#if BX_CPU_LEVEL >= 2
|
|
BX_SMF void exception(unsigned vector, Bit16u error_code, Boolean is_INT);
|
|
#endif
|
|
BX_SMF int int_number(bx_segment_reg_t *seg);
|
|
BX_SMF void shutdown_cpu(void);
|
|
BX_SMF void enable_paging(void);
|
|
BX_SMF void disable_paging(void);
|
|
BX_SMF void CR3_change(Bit32u value32);
|
|
BX_SMF void reset(unsigned source);
|
|
|
|
BX_SMF void jump_protected(BxInstruction_t *, Bit16u cs, Bit32u disp32);
|
|
BX_SMF void call_protected(BxInstruction_t *, Bit16u cs, Bit32u disp32);
|
|
BX_SMF void return_protected(BxInstruction_t *, Bit16u pop_bytes);
|
|
BX_SMF void iret_protected(BxInstruction_t *);
|
|
BX_SMF void validate_seg_regs(void);
|
|
BX_SMF void stack_return_to_v86(Bit32u new_eip, Bit32u raw_cs_selector,
|
|
Bit32u flags32);
|
|
BX_SMF void stack_return_from_v86(BxInstruction_t *);
|
|
BX_SMF void init_v8086_mode(void);
|
|
BX_SMF void v8086_message(void);
|
|
BX_SMF void task_switch(bx_selector_t *selector,
|
|
bx_descriptor_t *descriptor,
|
|
unsigned source,
|
|
Bit32u dword1, Bit32u dword2);
|
|
BX_SMF void get_SS_ESP_from_TSS(unsigned pl, Bit16u *ss, Bit32u *esp);
|
|
BX_SMF void write_flags(Bit16u flags, Boolean change_IOPL, Boolean change_IF);
|
|
BX_SMF void write_eflags(Bit32u eflags, Boolean change_IOPL, Boolean change_IF,
|
|
Boolean change_VM, Boolean change_RF);
|
|
BX_SMF Bit16u read_flags(void);
|
|
BX_SMF Bit32u read_eflags(void);
|
|
|
|
BX_SMF Bit8u inp8(Bit16u addr);
|
|
BX_SMF void outp8(Bit16u addr, Bit8u value);
|
|
BX_SMF Bit16u inp16(Bit16u addr);
|
|
BX_SMF void outp16(Bit16u addr, Bit16u value);
|
|
BX_SMF Bit32u inp32(Bit16u addr);
|
|
BX_SMF void outp32(Bit16u addr, Bit32u value);
|
|
BX_SMF Boolean allow_io(Bit16u addr, unsigned len);
|
|
BX_SMF void enter_protected_mode(void);
|
|
BX_SMF void enter_real_mode(void);
|
|
BX_SMF void parse_selector(Bit16u raw_selector, bx_selector_t *selector);
|
|
BX_SMF void parse_descriptor(Bit32u dword1, Bit32u dword2, bx_descriptor_t *temp);
|
|
BX_SMF void load_ldtr(bx_selector_t *selector, bx_descriptor_t *descriptor);
|
|
BX_SMF void load_cs(bx_selector_t *selector, bx_descriptor_t *descriptor, Bit8u cpl);
|
|
BX_SMF void load_ss(bx_selector_t *selector, bx_descriptor_t *descriptor, Bit8u cpl);
|
|
BX_SMF void fetch_raw_descriptor(bx_selector_t *selector,
|
|
Bit32u *dword1, Bit32u *dword2, Bit8u exception);
|
|
BX_SMF void load_seg_reg(bx_segment_reg_t *seg, Bit16u new_value);
|
|
BX_SMF Boolean fetch_raw_descriptor2(bx_selector_t *selector,
|
|
Bit32u *dword1, Bit32u *dword2);
|
|
BX_SMF void push_16(Bit16u value16);
|
|
BX_SMF void push_32(Bit32u value32);
|
|
BX_SMF void pop_16(Bit16u *value16_ptr);
|
|
BX_SMF void pop_32(Bit32u *value32_ptr);
|
|
BX_SMF Boolean can_push(bx_descriptor_t *descriptor, Bit32u esp, Bit32u bytes);
|
|
BX_SMF Boolean can_pop(Bit32u bytes);
|
|
BX_SMF void sanity_checks(void);
|
|
|
|
BX_SMF void debug(Bit32u offset);
|
|
|
|
#if BX_X86_DEBUGGER
|
|
// x86 hardware debug support
|
|
BX_SMF Bit32u hwdebug_compare(Bit32u laddr, unsigned size,
|
|
unsigned opa, unsigned opb);
|
|
#endif
|
|
|
|
BX_SMF BX_CPP_INLINE void set_CF(Boolean val);
|
|
BX_SMF BX_CPP_INLINE void set_AF(Boolean val);
|
|
BX_SMF BX_CPP_INLINE void set_ZF(Boolean val);
|
|
BX_SMF BX_CPP_INLINE void set_SF(Boolean val);
|
|
BX_SMF BX_CPP_INLINE void set_OF(Boolean val);
|
|
BX_SMF BX_CPP_INLINE void set_PF(Boolean val);
|
|
BX_SMF BX_CPP_INLINE void set_PF_base(Bit8u val);
|
|
|
|
|
|
BX_SMF BX_CPP_INLINE void set_AX(Bit16u ax);
|
|
BX_SMF BX_CPP_INLINE void set_BX(Bit16u bx);
|
|
BX_SMF BX_CPP_INLINE void set_CX(Bit16u cx);
|
|
BX_SMF BX_CPP_INLINE void set_DX(Bit16u dx);
|
|
BX_SMF BX_CPP_INLINE void set_AL(Bit8u al);
|
|
BX_SMF BX_CPP_INLINE void set_AH(Bit8u ah);
|
|
BX_SMF BX_CPP_INLINE void set_BL(Bit8u bl);
|
|
BX_SMF BX_CPP_INLINE void set_BH(Bit8u bh);
|
|
BX_SMF BX_CPP_INLINE void set_CL(Bit8u cl);
|
|
BX_SMF BX_CPP_INLINE void set_CH(Bit8u ch);
|
|
BX_SMF BX_CPP_INLINE void set_DL(Bit8u dl);
|
|
BX_SMF BX_CPP_INLINE void set_DH(Bit8u dh);
|
|
|
|
BX_SMF BX_CPP_INLINE Bit8u get_AL(void);
|
|
BX_SMF BX_CPP_INLINE Bit8u get_AH(void);
|
|
BX_SMF BX_CPP_INLINE Bit8u get_BL(void);
|
|
BX_SMF BX_CPP_INLINE Bit8u get_BH(void);
|
|
BX_SMF BX_CPP_INLINE Bit8u get_CL(void);
|
|
BX_SMF BX_CPP_INLINE Bit8u get_CH(void);
|
|
BX_SMF BX_CPP_INLINE Bit8u get_DL(void);
|
|
BX_SMF BX_CPP_INLINE Bit8u get_DH(void);
|
|
|
|
BX_SMF BX_CPP_INLINE Bit16u get_AX(void);
|
|
BX_SMF BX_CPP_INLINE Bit16u get_BX(void);
|
|
BX_SMF BX_CPP_INLINE Bit16u get_CX(void);
|
|
BX_SMF BX_CPP_INLINE Bit16u get_DX(void);
|
|
|
|
#if BX_CPU_LEVEL >= 2
|
|
BX_SMF BX_CPP_INLINE Boolean real_mode(void);
|
|
#endif
|
|
#if BX_CPU_LEVEL >= 3
|
|
BX_SMF BX_CPP_INLINE Boolean protected_mode(void);
|
|
BX_SMF BX_CPP_INLINE Boolean v8086_mode(void);
|
|
#endif
|
|
#if BX_APIC_SUPPORT
|
|
bx_local_apic_c local_apic;
|
|
Boolean int_from_local_apic;
|
|
#endif
|
|
};
|
|
|
|
|
|
#if BX_X86_DEBUGGER
|
|
#define BX_HWDebugInstruction 0x00
|
|
#define BX_HWDebugMemW 0x01
|
|
#define BX_HWDebugIO 0x02
|
|
#define BX_HWDebugMemRW 0x03
|
|
#endif
|
|
|
|
|
|
extern BX_CPU_C *bx_cpu_array[BX_SMP_PROCESSORS];
|
|
|
|
#if defined(NEED_CPU_REG_SHORTCUTS)
|
|
|
|
BX_SMF BX_CPP_INLINE void BX_CPU_C_PREFIX set_AX(Bit16u ax) { AX = ax; };
|
|
BX_SMF BX_CPP_INLINE void BX_CPU_C_PREFIX set_BX(Bit16u bx) { BX = bx; };
|
|
BX_SMF BX_CPP_INLINE void BX_CPU_C_PREFIX set_CX(Bit16u cx) { CX = cx; };
|
|
BX_SMF BX_CPP_INLINE void BX_CPU_C_PREFIX set_DX(Bit16u dx) { DX = dx; };
|
|
BX_SMF BX_CPP_INLINE void BX_CPU_C_PREFIX set_AL(Bit8u al) { AL = al; };
|
|
BX_SMF BX_CPP_INLINE void BX_CPU_C_PREFIX set_AH(Bit8u ah) { AH = ah; };
|
|
BX_SMF BX_CPP_INLINE void BX_CPU_C_PREFIX set_BL(Bit8u bl) { BL = bl; };
|
|
BX_SMF BX_CPP_INLINE void BX_CPU_C_PREFIX set_BH(Bit8u bh) { BH = bh; };
|
|
BX_SMF BX_CPP_INLINE void BX_CPU_C_PREFIX set_CL(Bit8u cl) { CL = cl; };
|
|
BX_SMF BX_CPP_INLINE void BX_CPU_C_PREFIX set_CH(Bit8u ch) { CH = ch; };
|
|
BX_SMF BX_CPP_INLINE void BX_CPU_C_PREFIX set_DL(Bit8u dl) { DL = dl; };
|
|
BX_SMF BX_CPP_INLINE void BX_CPU_C_PREFIX set_DH(Bit8u dh) { DH = dh; };
|
|
|
|
BX_SMF BX_CPP_INLINE Bit8u BX_CPU_C_PREFIX get_AL(void) { return(AL); };
|
|
BX_SMF BX_CPP_INLINE Bit8u BX_CPU_C_PREFIX get_AH(void) { return(AH); };
|
|
BX_SMF BX_CPP_INLINE Bit8u BX_CPU_C_PREFIX get_BL(void) { return(BL); };
|
|
BX_SMF BX_CPP_INLINE Bit8u BX_CPU_C_PREFIX get_BH(void) { return(BH); };
|
|
BX_SMF BX_CPP_INLINE Bit8u BX_CPU_C_PREFIX get_CL(void) { return(CL); };
|
|
BX_SMF BX_CPP_INLINE Bit8u BX_CPU_C_PREFIX get_CH(void) { return(CH); };
|
|
BX_SMF BX_CPP_INLINE Bit8u BX_CPU_C_PREFIX get_DL(void) { return(DL); };
|
|
BX_SMF BX_CPP_INLINE Bit8u BX_CPU_C_PREFIX get_DH(void) { return(DH); };
|
|
|
|
BX_SMF BX_CPP_INLINE Bit16u BX_CPU_C_PREFIX get_AX(void) { return(AX); };
|
|
BX_SMF BX_CPP_INLINE Bit16u BX_CPU_C_PREFIX get_BX(void) { return(BX); };
|
|
BX_SMF BX_CPP_INLINE Bit16u BX_CPU_C_PREFIX get_CX(void) { return(CX); };
|
|
BX_SMF BX_CPP_INLINE Bit16u BX_CPU_C_PREFIX get_DX(void) { return(DX); };
|
|
|
|
#endif
|
|
|
|
|
|
#if BX_CPU_LEVEL >= 2
|
|
BX_CPP_INLINE Boolean BX_CPU_C::real_mode(void) { return( !BX_CPU_THIS_PTR cr0.pe ); };
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#endif
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#if BX_CPU_LEVEL == 2
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BX_CPP_INLINE Boolean BX_CPU_C::protected_mode(void) { return( BX_CPU_THIS_PTR cr0.pe ); };
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#endif
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#if BX_CPU_LEVEL >= 3
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# if BX_SUPPORT_V8086_MODE
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BX_CPP_INLINE Boolean
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BX_CPU_C::v8086_mode(void) {
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return(BX_CPU_THIS_PTR eflags.vm);
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}
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BX_CPP_INLINE Boolean
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BX_CPU_C::protected_mode(void) {
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return(BX_CPU_THIS_PTR cr0.pe && !BX_CPU_THIS_PTR eflags.vm);
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}
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# else
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BX_CPP_INLINE Boolean
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BX_CPU_C::v8086_mode(void) {
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return(0);
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}
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BX_CPP_INLINE Boolean
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BX_CPU_C::protected_mode(void) {
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return(BX_CPU_THIS_PTR cr0.pe);
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}
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# endif
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#endif
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BX_CPP_INLINE void
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BX_CPU_C::set_CF(Boolean val) {
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BX_CPU_THIS_PTR lf_flags_status &= 0xfffff0;
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BX_CPU_THIS_PTR eflags.cf = val;
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}
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BX_CPP_INLINE void
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BX_CPU_C::set_AF(Boolean val) {
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BX_CPU_THIS_PTR lf_flags_status &= 0xfff0ff;
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BX_CPU_THIS_PTR eflags.af = val;
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}
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BX_CPP_INLINE void
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BX_CPU_C::set_ZF(Boolean val) {
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BX_CPU_THIS_PTR lf_flags_status &= 0xff0fff;
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BX_CPU_THIS_PTR eflags.zf = val;
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}
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BX_CPP_INLINE void
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BX_CPU_C::set_SF(Boolean val) {
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BX_CPU_THIS_PTR lf_flags_status &= 0xf0ffff;
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BX_CPU_THIS_PTR eflags.sf = val;
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}
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BX_CPP_INLINE void
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BX_CPU_C::set_OF(Boolean val) {
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BX_CPU_THIS_PTR lf_flags_status &= 0x0fffff;
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BX_CPU_THIS_PTR eflags.of = val;
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}
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BX_CPP_INLINE void
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BX_CPU_C::set_PF(Boolean val) {
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BX_CPU_THIS_PTR lf_flags_status &= 0xffff0f;
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BX_CPU_THIS_PTR lf_pf = val;
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}
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BX_CPP_INLINE void
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BX_CPU_C::set_PF_base(Bit8u val) {
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BX_CPU_THIS_PTR eflags.pf_byte = val;
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BX_CPU_THIS_PTR lf_flags_status = (BX_CPU_THIS_PTR lf_flags_status & 0xffff0f) | BX_LF_MASK_P;
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}
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#define SET_FLAGS_OSZAPC_8(op1, op2, result, ins) { \
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BX_CPU_THIS_PTR oszapc.op1_8 = op1; \
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BX_CPU_THIS_PTR oszapc.op2_8 = op2; \
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BX_CPU_THIS_PTR oszapc.result_8 = result; \
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BX_CPU_THIS_PTR oszapc.instr = ins; \
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BX_CPU_THIS_PTR lf_flags_status = BX_LF_MASK_OSZAPC; \
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}
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#define SET_FLAGS_OSZAPC_8_CF(op1, op2, result, ins, last_CF) { \
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BX_CPU_THIS_PTR oszapc.op1_8 = op1; \
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BX_CPU_THIS_PTR oszapc.op2_8 = op2; \
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BX_CPU_THIS_PTR oszapc.result_8 = result; \
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|
BX_CPU_THIS_PTR oszapc.instr = ins; \
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|
BX_CPU_THIS_PTR oszapc.prev_CF = last_CF; \
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|
BX_CPU_THIS_PTR lf_flags_status = BX_LF_MASK_OSZAPC; \
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}
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|
#define SET_FLAGS_OSZAPC_16(op1, op2, result, ins) { \
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|
BX_CPU_THIS_PTR oszapc.op1_16 = op1; \
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|
BX_CPU_THIS_PTR oszapc.op2_16 = op2; \
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|
BX_CPU_THIS_PTR oszapc.result_16 = result; \
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|
BX_CPU_THIS_PTR oszapc.instr = ins; \
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|
BX_CPU_THIS_PTR lf_flags_status = BX_LF_MASK_OSZAPC; \
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|
}
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|
|
#define SET_FLAGS_OSZAPC_16_CF(op1, op2, result, ins, last_CF) { \
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|
BX_CPU_THIS_PTR oszapc.op1_16 = op1; \
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|
BX_CPU_THIS_PTR oszapc.op2_16 = op2; \
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|
BX_CPU_THIS_PTR oszapc.result_16 = result; \
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|
BX_CPU_THIS_PTR oszapc.instr = ins; \
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|
BX_CPU_THIS_PTR oszapc.prev_CF = last_CF; \
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|
BX_CPU_THIS_PTR lf_flags_status = BX_LF_MASK_OSZAPC; \
|
|
}
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|
|
|
#define SET_FLAGS_OSZAPC_32(op1, op2, result, ins) { \
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|
BX_CPU_THIS_PTR oszapc.op1_32 = op1; \
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|
BX_CPU_THIS_PTR oszapc.op2_32 = op2; \
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|
BX_CPU_THIS_PTR oszapc.result_32 = result; \
|
|
BX_CPU_THIS_PTR oszapc.instr = ins; \
|
|
BX_CPU_THIS_PTR lf_flags_status = BX_LF_MASK_OSZAPC; \
|
|
}
|
|
|
|
#define SET_FLAGS_OSZAPC_32_CF(op1, op2, result, ins, last_CF) { \
|
|
BX_CPU_THIS_PTR oszapc.op1_32 = op1; \
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|
BX_CPU_THIS_PTR oszapc.op2_32 = op2; \
|
|
BX_CPU_THIS_PTR oszapc.result_32 = result; \
|
|
BX_CPU_THIS_PTR oszapc.instr = ins; \
|
|
BX_CPU_THIS_PTR oszapc.prev_CF = last_CF; \
|
|
BX_CPU_THIS_PTR lf_flags_status = BX_LF_MASK_OSZAPC; \
|
|
}
|
|
|
|
|
|
#define SET_FLAGS_OSZAP_8(op1, op2, result, ins) { \
|
|
BX_CPU_THIS_PTR oszap.op1_8 = op1; \
|
|
BX_CPU_THIS_PTR oszap.op2_8 = op2; \
|
|
BX_CPU_THIS_PTR oszap.result_8 = result; \
|
|
BX_CPU_THIS_PTR oszap.instr = ins; \
|
|
BX_CPU_THIS_PTR lf_flags_status = (BX_CPU_THIS_PTR lf_flags_status & 0x00000f) | BX_LF_MASK_OSZAP; \
|
|
}
|
|
|
|
#define SET_FLAGS_OSZAP_16(op1, op2, result, ins) { \
|
|
BX_CPU_THIS_PTR oszap.op1_16 = op1; \
|
|
BX_CPU_THIS_PTR oszap.op2_16 = op2; \
|
|
BX_CPU_THIS_PTR oszap.result_16 = result; \
|
|
BX_CPU_THIS_PTR oszap.instr = ins; \
|
|
BX_CPU_THIS_PTR lf_flags_status = (BX_CPU_THIS_PTR lf_flags_status & 0x00000f) | BX_LF_MASK_OSZAP; \
|
|
}
|
|
|
|
#define SET_FLAGS_OSZAP_32(op1, op2, result, ins) { \
|
|
BX_CPU_THIS_PTR oszap.op1_32 = op1; \
|
|
BX_CPU_THIS_PTR oszap.op2_32 = op2; \
|
|
BX_CPU_THIS_PTR oszap.result_32 = result; \
|
|
BX_CPU_THIS_PTR oszap.instr = ins; \
|
|
BX_CPU_THIS_PTR lf_flags_status = (BX_CPU_THIS_PTR lf_flags_status & 0x00000f) | BX_LF_MASK_OSZAP; \
|
|
}
|
|
|
|
#define SET_FLAGS_OxxxxC(new_of, new_cf) { \
|
|
BX_CPU_THIS_PTR eflags.of = (Boolean) new_of; \
|
|
BX_CPU_THIS_PTR eflags.cf = (Boolean) new_cf; \
|
|
BX_CPU_THIS_PTR lf_flags_status &= 0x0ffff0; \
|
|
/* ??? could also mark other bits undefined here */ \
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
extern const Boolean bx_parity_lookup[256];
|
|
|
|
#define BX_REPE_PREFIX 10
|
|
#define BX_REPNE_PREFIX 11
|
|
|
|
|
|
|
|
#define BX_TASK_FROM_JUMP 10
|
|
#define BX_TASK_FROM_CALL_OR_INT 11
|
|
#define BX_TASK_FROM_IRET 12
|
|
|
|
|
|
//
|
|
// For decoding...
|
|
//
|
|
|
|
// If the Immediate bit is set, the lowest 3 bits of the attribute
|
|
// specify which kinds of immediate data a required by instruction.
|
|
|
|
#define BxImmediate 0x000f // bits 3..0: any immediate
|
|
#define BxImmediate_Ib 0x0001 // 8 bits regardless
|
|
#define BxImmediate_Ib_SE 0x0002 // sign extend to OS size
|
|
#define BxImmediate_Iv 0x0003 // 16 or 32 depending on OS size
|
|
#define BxImmediate_Iw 0x0004 // 16 bits regardless
|
|
#define BxImmediate_IvIw 0x0005 // call_Ap
|
|
#define BxImmediate_IwIb 0x0006 // enter_IwIb
|
|
#define BxImmediate_O 0x0007 // mov_ALOb, mov_ObAL, mov_eAXOv, mov_OveAX
|
|
#define BxImmediate_BrOff8 0x0008 // Relative branch offset byte
|
|
#define BxImmediate_BrOff16 0x0009 // Relative branch offset word
|
|
#define BxImmediate_BrOff32 BxImmediate_Iv
|
|
|
|
#define BxPrefix 0x0010 // bit 4
|
|
#define BxAnother 0x0020 // bit 5
|
|
#define BxRepeatable 0x0040 // bit 6
|
|
#define BxRepeatableZF 0x0080 // bit 7
|
|
#define BxGroupN 0x0100 // bits 8
|
|
#define BxGroup1 BxGroupN
|
|
#define BxGroup2 BxGroupN
|
|
#define BxGroup3 BxGroupN
|
|
#define BxGroup4 BxGroupN
|
|
#define BxGroup5 BxGroupN
|
|
#define BxGroup6 BxGroupN
|
|
#define BxGroup7 BxGroupN
|
|
#define BxGroup8 BxGroupN
|
|
#define BxGroup9 BxGroupN
|
|
#define BxGroupa BxGroupN
|
|
|
|
#if BX_DEBUGGER
|
|
typedef enum _show_flags {
|
|
Flag_call = 0x1,
|
|
Flag_ret = 0x2,
|
|
Flag_int = 0x4,
|
|
Flag_iret = 0x8,
|
|
Flag_intsig = 0x10
|
|
} show_flags_t;
|
|
#endif
|
|
|
|
#endif // #ifndef BX_CPU_H
|