diff options
Diffstat (limited to 'drivers/bios_emulator/include')
| -rw-r--r-- | drivers/bios_emulator/include/biosemu.h | 392 | ||||
| -rw-r--r-- | drivers/bios_emulator/include/x86emu.h | 191 | ||||
| -rw-r--r-- | drivers/bios_emulator/include/x86emu/debug.h | 209 | ||||
| -rw-r--r-- | drivers/bios_emulator/include/x86emu/decode.h | 88 | ||||
| -rw-r--r-- | drivers/bios_emulator/include/x86emu/ops.h | 45 | ||||
| -rw-r--r-- | drivers/bios_emulator/include/x86emu/prim_asm.h | 970 | ||||
| -rw-r--r-- | drivers/bios_emulator/include/x86emu/prim_ops.h | 141 | ||||
| -rw-r--r-- | drivers/bios_emulator/include/x86emu/regs.h | 340 | ||||
| -rw-r--r-- | drivers/bios_emulator/include/x86emu/x86emui.h | 101 |
9 files changed, 2477 insertions, 0 deletions
diff --git a/drivers/bios_emulator/include/biosemu.h b/drivers/bios_emulator/include/biosemu.h new file mode 100644 index 0000000000..13cb3170c1 --- /dev/null +++ b/drivers/bios_emulator/include/biosemu.h @@ -0,0 +1,392 @@ +/**************************************************************************** +* +* BIOS emulator and interface +* to Realmode X86 Emulator Library +* +* Copyright (C) 1996-1999 SciTech Software, Inc. +* +* ======================================================================== +* +* Permission to use, copy, modify, distribute, and sell this software and +* its documentation for any purpose is hereby granted without fee, +* provided that the above copyright notice appear in all copies and that +* both that copyright notice and this permission notice appear in +* supporting documentation, and that the name of the authors not be used +* in advertising or publicity pertaining to distribution of the software +* without specific, written prior permission. The authors makes no +* representations about the suitability of this software for any purpose. +* It is provided "as is" without express or implied warranty. +* +* THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, +* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO +* EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR +* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF +* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR +* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +* PERFORMANCE OF THIS SOFTWARE. +* +* ======================================================================== +* +* Language: ANSI C +* Environment: Any +* Developer: Kendall Bennett +* +* Description: Header file for the real mode x86 BIOS emulator, which is +* used to warmboot any number of VGA compatible PCI/AGP +* controllers under any OS, on any processor family that +* supports PCI. We also allow the user application to call +* real mode BIOS functions and Int 10h functions (including +* the VESA BIOS). +* +****************************************************************************/ + +#ifndef __BIOSEMU_H +#define __BIOSEMU_H + +#ifdef __KERNEL__ +#include "x86emu.h" +#else +#include "x86emu.h" +#include "pmapi.h" +#include "pcilib.h" +#endif + +/*---------------------- Macros and type definitions ----------------------*/ + +#pragma pack(1) + +#ifndef __KERNEL__ +/**************************************************************************** +REMARKS: +Data structure used to describe the details specific to a particular VGA +controller. This information is used to allow the VGA controller to be +swapped on the fly within the BIOS emulator. + +HEADER: +biosemu.h + +MEMBERS: +pciInfo - PCI device information block for the controller +BIOSImage - Pointer to a read/write copy of the BIOS image +BIOSImageLen - Length of the BIOS image +LowMem - Copy of key low memory areas +****************************************************************************/ +typedef struct { + PCIDeviceInfo *pciInfo; + void *BIOSImage; + ulong BIOSImageLen; + uchar LowMem[1536]; +} BE_VGAInfo; +#else +/**************************************************************************** +REMARKS: +Data structure used to describe the details for the BIOS emulator system +environment as used by the X86 emulator library. + +HEADER: +biosemu.h + +MEMBERS: +vgaInfo - VGA BIOS information structure +biosmem_base - Base of the BIOS image +biosmem_limit - Limit of the BIOS image +busmem_base - Base of the VGA bus memory +****************************************************************************/ +typedef struct { + int function; + int device; + int bus; + u32 VendorID; + u32 DeviceID; + pci_dev_t pcidev; + void *BIOSImage; + u32 BIOSImageLen; + u8 LowMem[1536]; +} BE_VGAInfo; + +#endif /* __KERNEL__ */ + +#define CRT_C 24 /* 24 CRT Controller Registers */ +#define ATT_C 21 /* 21 Attribute Controller Registers */ +#define GRA_C 9 /* 9 Graphics Controller Registers */ +#define SEQ_C 5 /* 5 Sequencer Registers */ +#define PAL_C 768 /* 768 Palette Registers */ + +/**************************************************************************** +REMARKS: +Data structure used to describe the details for the BIOS emulator system +environment as used by the X86 emulator library. + +HEADER: +biosemu.h + +MEMBERS: +vgaInfo - VGA BIOS information structure +biosmem_base - Base of the BIOS image +biosmem_limit - Limit of the BIOS image +busmem_base - Base of the VGA bus memory +timer - Timer used to emulate PC timer ports +timer0 - Latched value for timer 0 +timer0Latched - True if timer 0 value was just latched +timer2 - Current value for timer 2 +emulateVGA - True to emulate VGA I/O and memory accesses +****************************************************************************/ + +typedef struct { + BE_VGAInfo vgaInfo; + ulong biosmem_base; + ulong biosmem_limit; + ulong busmem_base; + + u32 timer0; + int timer0Latched; + u32 timer1; + int timer1Latched; + u32 timer2; + int timer2Latched; + + int emulateVGA; + u8 emu61; + u8 emu70; + int flipFlop3C0; + u32 configAddress; + u8 emu3C0; + u8 emu3C1[ATT_C]; + u8 emu3C2; + u8 emu3C4; + u8 emu3C5[SEQ_C]; + u8 emu3C6; + uint emu3C7; + uint emu3C8; + u8 emu3C9[PAL_C]; + u8 emu3CE; + u8 emu3CF[GRA_C]; + u8 emu3D4; + u8 emu3D5[CRT_C]; + u8 emu3DA; + +} BE_sysEnv; + +#ifdef __KERNEL__ + +/* Define some types when compiling for the Linux kernel that normally + * come from the SciTech PM library. + */ + +/**************************************************************************** +REMARKS: +Structure describing the 32-bit extended x86 CPU registers + +HEADER: +pmapi.h + +MEMBERS: +eax - Value of the EAX register +ebx - Value of the EBX register +ecx - Value of the ECX register +edx - Value of the EDX register +esi - Value of the ESI register +edi - Value of the EDI register +cflag - Value of the carry flag +****************************************************************************/ +typedef struct { + u32 eax; + u32 ebx; + u32 ecx; + u32 edx; + u32 esi; + u32 edi; + u32 cflag; +} RMDWORDREGS; + +/**************************************************************************** +REMARKS: +Structure describing the 16-bit x86 CPU registers + +HEADER: +pmapi.h + +MEMBERS: +ax - Value of the AX register +bx - Value of the BX register +cx - Value of the CX register +dx - Value of the DX register +si - Value of the SI register +di - Value of the DI register +cflag - Value of the carry flag +****************************************************************************/ +#ifdef __BIG_ENDIAN__ +typedef struct { + u16 ax_hi, ax; + u16 bx_hi, bx; + u16 cx_hi, cx; + u16 dx_hi, dx; + u16 si_hi, si; + u16 di_hi, di; + u16 cflag_hi, cflag; +} RMWORDREGS; +#else +typedef struct { + u16 ax, ax_hi; + u16 bx, bx_hi; + u16 cx, cx_hi; + u16 dx, dx_hi; + u16 si, si_hi; + u16 di, di_hi; + u16 cflag, cflag_hi; +} RMWORDREGS; +#endif + +/**************************************************************************** +REMARKS: +Structure describing the 8-bit x86 CPU registers + +HEADER: +pmapi.h + +MEMBERS: +al - Value of the AL register +ah - Value of the AH register +bl - Value of the BL register +bh - Value of the BH register +cl - Value of the CL register +ch - Value of the CH register +dl - Value of the DL register +dh - Value of the DH register +****************************************************************************/ +#ifdef __BIG_ENDIAN__ +typedef struct { + u16 ax_hi; + u8 ah, al; + u16 bx_hi; + u8 bh, bl; + u16 cx_hi; + u8 ch, cl; + u16 dx_hi; + u8 dh, dl; +} RMBYTEREGS; +#else +typedef struct { + u8 al; + u8 ah; + u16 ax_hi; + u8 bl; + u8 bh; + u16 bx_hi; + u8 cl; + u8 ch; + u16 cx_hi; + u8 dl; + u8 dh; + u16 dx_hi; +} RMBYTEREGS; +#endif + +/**************************************************************************** +REMARKS: +Structure describing all the x86 CPU registers + +HEADER: +pmapi.h + +MEMBERS: +e - Member to access registers as 32-bit values +x - Member to access registers as 16-bit values +h - Member to access registers as 8-bit values +****************************************************************************/ +typedef union { + RMDWORDREGS e; + RMWORDREGS x; + RMBYTEREGS h; +} RMREGS; + +/**************************************************************************** +REMARKS: +Structure describing all the x86 segment registers + +HEADER: +pmapi.h + +MEMBERS: +es - ES segment register +cs - CS segment register +ss - SS segment register +ds - DS segment register +fs - FS segment register +gs - GS segment register +****************************************************************************/ +typedef struct { + u16 es; + u16 cs; + u16 ss; + u16 ds; + u16 fs; + u16 gs; +} RMSREGS; + +#endif /* __KERNEL__ */ + +#ifndef __KERNEL__ + +/**************************************************************************** +REMARKS: +Structure defining all the BIOS Emulator API functions as exported from +the Binary Portable DLL. +{secret} +****************************************************************************/ +typedef struct { + ulong dwSize; + ibool(PMAPIP BE_init) (u32 debugFlags, int memSize, BE_VGAInfo * info); + void (PMAPIP BE_setVGA) (BE_VGAInfo * info); + void (PMAPIP BE_getVGA) (BE_VGAInfo * info); + void *(PMAPIP BE_mapRealPointer) (uint r_seg, uint r_off); + void *(PMAPIP BE_getVESABuf) (uint * len, uint * rseg, uint * roff); + void (PMAPIP BE_callRealMode) (uint seg, uint off, RMREGS * regs, + RMSREGS * sregs); + int (PMAPIP BE_int86) (int intno, RMREGS * in, RMREGS * out); + int (PMAPIP BE_int86x) (int intno, RMREGS * in, RMREGS * out, + RMSREGS * sregs); + void *reserved1; + void (PMAPIP BE_exit) (void); +} BE_exports; + +/**************************************************************************** +REMARKS: +Function pointer type for the Binary Portable DLL initialisation entry point. +{secret} +****************************************************************************/ +typedef BE_exports *(PMAPIP BE_initLibrary_t) (PM_imports * PMImp); +#endif + +#pragma pack() + +/*---------------------------- Global variables ---------------------------*/ + +#ifdef __cplusplus +extern "C" { /* Use "C" linkage when in C++ mode */ +#endif + +/* {secret} Global BIOS emulator system environment */ + extern BE_sysEnv _BE_env; + +/*-------------------------- Function Prototypes --------------------------*/ + +/* BIOS emulator library entry points */ + int X86API BE_init(u32 debugFlags, int memSize, BE_VGAInfo * info, + int shared); + void X86API BE_setVGA(BE_VGAInfo * info); + void X86API BE_getVGA(BE_VGAInfo * info); + void X86API BE_setDebugFlags(u32 debugFlags); + void *X86API BE_mapRealPointer(uint r_seg, uint r_off); + void *X86API BE_getVESABuf(uint * len, uint * rseg, uint * roff); + void X86API BE_callRealMode(uint seg, uint off, RMREGS * regs, + RMSREGS * sregs); + int X86API BE_int86(int intno, RMREGS * in, RMREGS * out); + int X86API BE_int86x(int intno, RMREGS * in, RMREGS * out, + RMSREGS * sregs); + void X86API BE_exit(void); + +#ifdef __cplusplus +} /* End of "C" linkage for C++ */ +#endif +#endif /* __BIOSEMU_H */ diff --git a/drivers/bios_emulator/include/x86emu.h b/drivers/bios_emulator/include/x86emu.h new file mode 100644 index 0000000000..6004beb05d --- /dev/null +++ b/drivers/bios_emulator/include/x86emu.h @@ -0,0 +1,191 @@ +/**************************************************************************** +* +* Realmode X86 Emulator Library +* +* Copyright (C) 1996-1999 SciTech Software, Inc. +* Copyright (C) David Mosberger-Tang +* Copyright (C) 1999 Egbert Eich +* +* ======================================================================== +* +* Permission to use, copy, modify, distribute, and sell this software and +* its documentation for any purpose is hereby granted without fee, +* provided that the above copyright notice appear in all copies and that +* both that copyright notice and this permission notice appear in +* supporting documentation, and that the name of the authors not be used +* in advertising or publicity pertaining to distribution of the software +* without specific, written prior permission. The authors makes no +* representations about the suitability of this software for any purpose. +* It is provided "as is" without express or implied warranty. +* +* THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, +* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO +* EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR +* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF +* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR +* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +* PERFORMANCE OF THIS SOFTWARE. +* +* ======================================================================== +* +* Language: ANSI C +* Environment: Any +* Developer: Kendall Bennett +* +* Description: Header file for public specific functions. +* Any application linking against us should only +* include this header +* +****************************************************************************/ + +#ifndef __X86EMU_X86EMU_H +#define __X86EMU_X86EMU_H + +#include <asm/types.h> +#include <common.h> +#include <pci.h> +#include <asm/io.h> +#define X86API +#define X86APIP * +typedef u16 X86EMU_pioAddr; + +#include "x86emu/regs.h" + +/*---------------------- Macros and type definitions ----------------------*/ + +#pragma pack(1) + +/**************************************************************************** +REMARKS: +Data structure containing ponters to programmed I/O functions used by the +emulator. This is used so that the user program can hook all programmed +I/O for the emulator to handled as necessary by the user program. By +default the emulator contains simple functions that do not do access the +hardware in any way. To allow the emualtor access the hardware, you will +need to override the programmed I/O functions using the X86EMU_setupPioFuncs +function. + +HEADER: +x86emu.h + +MEMBERS: +inb - Function to read a byte from an I/O port +inw - Function to read a word from an I/O port +inl - Function to read a dword from an I/O port +outb - Function to write a byte to an I/O port +outw - Function to write a word to an I/O port +outl - Function to write a dword to an I/O port +****************************************************************************/ +typedef struct { + u8(X86APIP inb) (X86EMU_pioAddr addr); + u16(X86APIP inw) (X86EMU_pioAddr addr); + u32(X86APIP inl) (X86EMU_pioAddr addr); + void (X86APIP outb) (X86EMU_pioAddr addr, u8 val); + void (X86APIP outw) (X86EMU_pioAddr addr, u16 val); + void (X86APIP outl) (X86EMU_pioAddr addr, u32 val); +} X86EMU_pioFuncs; + +/**************************************************************************** +REMARKS: +Data structure containing ponters to memory access functions used by the +emulator. This is used so that the user program can hook all memory +access functions as necessary for the emulator. By default the emulator +contains simple functions that only access the internal memory of the +emulator. If you need specialised functions to handle access to different +types of memory (ie: hardware framebuffer accesses and BIOS memory access +etc), you will need to override this using the X86EMU_setupMemFuncs +function. + +HEADER: +x86emu.h + +MEMBERS: +rdb - Function to read a byte from an address +rdw - Function to read a word from an address +rdl - Function to read a dword from an address +wrb - Function to write a byte to an address +wrw - Function to write a word to an address +wrl - Function to write a dword to an address +****************************************************************************/ +typedef struct { + u8(X86APIP rdb) (u32 addr); + u16(X86APIP rdw) (u32 addr); + u32(X86APIP rdl) (u32 addr); + void (X86APIP wrb) (u32 addr, u8 val); + void (X86APIP wrw) (u32 addr, u16 val); + void (X86APIP wrl) (u32 addr, u32 val); +} X86EMU_memFuncs; + +/**************************************************************************** + Here are the default memory read and write + function in case they are needed as fallbacks. +***************************************************************************/ +extern u8 X86API rdb(u32 addr); +extern u16 X86API rdw(u32 addr); +extern u32 X86API rdl(u32 addr); +extern void X86API wrb(u32 addr, u8 val); +extern void X86API wrw(u32 addr, u16 val); +extern void X86API wrl(u32 addr, u32 val); + +#pragma pack() + +/*--------------------- type definitions -----------------------------------*/ + +typedef void (X86APIP X86EMU_intrFuncs) (int num); +extern X86EMU_intrFuncs _X86EMU_intrTab[256]; + +/*-------------------------- Function Prototypes --------------------------*/ + +#ifdef __cplusplus +extern "C" { /* Use "C" linkage when in C++ mode */ +#endif + + void X86EMU_setupMemFuncs(X86EMU_memFuncs * funcs); + void X86EMU_setupPioFuncs(X86EMU_pioFuncs * funcs); + void X86EMU_setupIntrFuncs(X86EMU_intrFuncs funcs[]); + void X86EMU_prepareForInt(int num); + +/* decode.c */ + + void X86EMU_exec(void); + void X86EMU_halt_sys(void); + +#ifdef DEBUG +#define HALT_SYS() \ + printf("halt_sys: file %s, line %d\n", __FILE__, __LINE__), \ + X86EMU_halt_sys() +#else +#define HALT_SYS() X86EMU_halt_sys() +#endif + +/* Debug options */ + +#define DEBUG_DECODE_F 0x0001 /* print decoded instruction */ +#define DEBUG_TRACE_F 0x0002 /* dump regs before/after execution */ +#define DEBUG_STEP_F 0x0004 +#define DEBUG_DISASSEMBLE_F 0x0008 +#define DEBUG_BREAK_F 0x0010 +#define DEBUG_SVC_F 0x0020 +#define DEBUG_SAVE_CS_IP 0x0040 +#define DEBUG_FS_F 0x0080 +#define DEBUG_PROC_F 0x0100 +#define DEBUG_SYSINT_F 0x0200 /* bios system interrupts. */ +#define DEBUG_TRACECALL_F 0x0400 +#define DEBUG_INSTRUMENT_F 0x0800 +#define DEBUG_MEM_TRACE_F 0x1000 +#define DEBUG_IO_TRACE_F 0x2000 +#define DEBUG_TRACECALL_REGS_F 0x4000 +#define DEBUG_DECODE_NOPRINT_F 0x8000 +#define DEBUG_EXIT 0x10000 +#define DEBUG_SYS_F (DEBUG_SVC_F|DEBUG_FS_F|DEBUG_PROC_F) + + void X86EMU_trace_regs(void); + void X86EMU_trace_xregs(void); + void X86EMU_dump_memory(u16 seg, u16 off, u32 amt); + int X86EMU_trace_on(void); + int X86EMU_trace_off(void); + +#ifdef __cplusplus +} /* End of "C" linkage for C++ */ +#endif +#endif /* __X86EMU_X86EMU_H */ diff --git a/drivers/bios_emulator/include/x86emu/debug.h b/drivers/bios_emulator/include/x86emu/debug.h new file mode 100644 index 0000000000..268c9d391e --- /dev/null +++ b/drivers/bios_emulator/include/x86emu/debug.h @@ -0,0 +1,209 @@ +/**************************************************************************** +* +* Realmode X86 Emulator Library +* +* Copyright (C) 1991-2004 SciTech Software, Inc. +* Copyright (C) David Mosberger-Tang +* Copyright (C) 1999 Egbert Eich +* +* ======================================================================== +* +* Permission to use, copy, modify, distribute, and sell this software and +* its documentation for any purpose is hereby granted without fee, +* provided that the above copyright notice appear in all copies and that +* both that copyright notice and this permission notice appear in +* supporting documentation, and that the name of the authors not be used +* in advertising or publicity pertaining to distribution of the software +* without specific, written prior permission. The authors makes no +* representations about the suitability of this software for any purpose. +* It is provided "as is" without express or implied warranty. +* +* THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, +* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO +* EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR +* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF +* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR +* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +* PERFORMANCE OF THIS SOFTWARE. +* +* ======================================================================== +* +* Language: ANSI C +* Environment: Any +* Developer: Kendall Bennett +* +* Description: Header file for debug definitions. +* +****************************************************************************/ + +#ifndef __X86EMU_DEBUG_H +#define __X86EMU_DEBUG_H + +/*---------------------- Macros and type definitions ----------------------*/ + +/* checks to be enabled for "runtime" */ + +#define CHECK_IP_FETCH_F 0x1 +#define CHECK_SP_ACCESS_F 0x2 +#define CHECK_MEM_ACCESS_F 0x4 /*using regular linear pointer */ +#define CHECK_DATA_ACCESS_F 0x8 /*using segment:offset */ + +#ifdef DEBUG +# define CHECK_IP_FETCH() (M.x86.check & CHECK_IP_FETCH_F) +# define CHECK_SP_ACCESS() (M.x86.check & CHECK_SP_ACCESS_F) +# define CHECK_MEM_ACCESS() (M.x86.check & CHECK_MEM_ACCESS_F) +# define CHECK_DATA_ACCESS() (M.x86.check & CHECK_DATA_ACCESS_F) +#else +# define CHECK_IP_FETCH() +# define CHECK_SP_ACCESS() +# define CHECK_MEM_ACCESS() +# define CHECK_DATA_ACCESS() +#endif + +#ifdef DEBUG +# define DEBUG_INSTRUMENT() (M.x86.debug & DEBUG_INSTRUMENT_F) +# define DEBUG_DECODE() (M.x86.debug & DEBUG_DECODE_F) +# define DEBUG_TRACE() (M.x86.debug & DEBUG_TRACE_F) +# define DEBUG_STEP() (M.x86.debug & DEBUG_STEP_F) +# define DEBUG_DISASSEMBLE() (M.x86.debug & DEBUG_DISASSEMBLE_F) +# define DEBUG_BREAK() (M.x86.debug & DEBUG_BREAK_F) +# define DEBUG_SVC() (M.x86.debug & DEBUG_SVC_F) +# define DEBUG_SAVE_IP_CS() (M.x86.debug & DEBUG_SAVE_CS_IP) + +# define DEBUG_FS() (M.x86.debug & DEBUG_FS_F) +# define DEBUG_PROC() (M.x86.debug & DEBUG_PROC_F) +# define DEBUG_SYSINT() (M.x86.debug & DEBUG_SYSINT_F) +# define DEBUG_TRACECALL() (M.x86.debug & DEBUG_TRACECALL_F) +# define DEBUG_TRACECALLREGS() (M.x86.debug & DEBUG_TRACECALL_REGS_F) +# define DEBUG_SYS() (M.x86.debug & DEBUG_SYS_F) +# define DEBUG_MEM_TRACE() (M.x86.debug & DEBUG_MEM_TRACE_F) +# define DEBUG_IO_TRACE() (M.x86.debug & DEBUG_IO_TRACE_F) +# define DEBUG_DECODE_NOPRINT() (M.x86.debug & DEBUG_DECODE_NOPRINT_F) +#else +# define DEBUG_INSTRUMENT() 0 +# define DEBUG_DECODE() 0 +# define DEBUG_TRACE() 0 +# define DEBUG_STEP() 0 +# define DEBUG_DISASSEMBLE() 0 +# define DEBUG_BREAK() 0 +# define DEBUG_SVC() 0 +# define DEBUG_SAVE_IP_CS() 0 +# define DEBUG_FS() 0 +# define DEBUG_PROC() 0 +# define DEBUG_SYSINT() 0 +# define DEBUG_TRACECALL() 0 +# define DEBUG_TRACECALLREGS() 0 +# define DEBUG_SYS() 0 +# define DEBUG_MEM_TRACE() 0 +# define DEBUG_IO_TRACE() 0 +# define DEBUG_DECODE_NOPRINT() 0 +#endif + +#ifdef DEBUG + +# define DECODE_PRINTF(x) if (DEBUG_DECODE()) \ + x86emu_decode_printf(x) +# define DECODE_PRINTF2(x,y) if (DEBUG_DECODE()) \ + x86emu_decode_printf2(x,y) + +/* + * The following allow us to look at the bytes of an instruction. The + * first INCR_INSTRN_LEN, is called everytime bytes are consumed in + * the decoding process. The SAVE_IP_CS is called initially when the + * major opcode of the instruction is accessed. + */ +#define INC_DECODED_INST_LEN(x) \ + if (DEBUG_DECODE()) \ + x86emu_inc_decoded_inst_len(x) + +#define SAVE_IP_CS(x,y) \ + if (DEBUG_DECODE() | DEBUG_TRACECALL() | DEBUG_BREAK() \ + | DEBUG_IO_TRACE() | DEBUG_SAVE_IP_CS()) { \ + M.x86.saved_cs = x; \ + M.x86.saved_ip = y; \ + } +#else +# define INC_DECODED_INST_LEN(x) +# define DECODE_PRINTF(x) +# define DECODE_PRINTF2(x,y) +# define SAVE_IP_CS(x,y) +#endif + +#ifdef DEBUG +#define TRACE_REGS() \ + if (DEBUG_DISASSEMBLE()) { \ + x86emu_just_disassemble(); \ + goto EndOfTheInstructionProcedure; \ + } \ + if (DEBUG_TRACE() || DEBUG_DECODE()) X86EMU_trace_regs() +#else +# define TRACE_REGS() +#endif + +#ifdef DEBUG +# define SINGLE_STEP() if (DEBUG_STEP()) x86emu_single_step() +#else +# define SINGLE_STEP() +#endif + +#define TRACE_AND_STEP() \ + TRACE_REGS(); \ + SINGLE_STEP() + +#ifdef DEBUG +# define START_OF_INSTR() +# define END_OF_INSTR() EndOfTheInstructionProcedure: x86emu_end_instr(); +# define END_OF_INSTR_NO_TRACE() x86emu_end_instr(); +#else +# define START_OF_INSTR() +# define END_OF_INSTR() +# define END_OF_INSTR_NO_TRACE() +#endif + +#ifdef DEBUG +# define CALL_TRACE(u,v,w,x,s) \ + if (DEBUG_TRACECALLREGS()) \ + x86emu_dump_regs(); \ + if (DEBUG_TRACECALL()) \ + printk("%04x:%04x: CALL %s%04x:%04x\n", u , v, s, w, x); +# define RETURN_TRACE(n,u,v) \ + if (DEBUG_TRACECALLREGS()) \ + x86emu_dump_regs(); \ + if (DEBUG_TRACECALL()) \ + printk("%04x:%04x: %s\n",u,v,n); +#else +# define CALL_TRACE(u,v,w,x,s) +# define RETURN_TRACE(n,u,v) +#endif + +#ifdef DEBUG +#define DB(x) x +#else +#define DB(x) +#endif + +/*-------------------------- Function Prototypes --------------------------*/ + +#ifdef __cplusplus +extern "C" { /* Use "C" linkage when in C++ mode */ +#endif + + extern void x86emu_inc_decoded_inst_len(int x); + extern void x86emu_decode_printf(char *x); + extern void x86emu_decode_printf2(char *x, int y); + extern void x86emu_just_disassemble(void); + extern void x86emu_single_step(void); + extern void x86emu_end_instr(void); + extern void x86emu_dump_regs(void); + extern void x86emu_dump_xregs(void); + extern void x86emu_print_int_vect(u16 iv); + extern void x86emu_instrument_instruction(void); + extern void x86emu_check_ip_access(void); + extern void x86emu_check_sp_access(void); + extern void x86emu_check_mem_access(u32 p); + extern void x86emu_check_data_access(uint s, uint o); + +#ifdef __cplusplus +} /* End of "C" linkage for C++ */ +#endif +#endif /* __X86EMU_DEBUG_H */ diff --git a/drivers/bios_emulator/include/x86emu/decode.h b/drivers/bios_emulator/include/x86emu/decode.h new file mode 100644 index 0000000000..77769f0094 --- /dev/null +++ b/drivers/bios_emulator/include/x86emu/decode.h @@ -0,0 +1,88 @@ +/**************************************************************************** +* +* Realmode X86 Emulator Library +* +* Copyright (C) 1991-2004 SciTech Software, Inc. +* Copyright (C) David Mosberger-Tang +* Copyright (C) 1999 Egbert Eich +* +* ======================================================================== +* +* Permission to use, copy, modify, distribute, and sell this software and +* its documentation for any purpose is hereby granted without fee, +* provided that the above copyright notice appear in all copies and that +* both that copyright notice and this permission notice appear in +* supporting documentation, and that the name of the authors not be used +* in advertising or publicity pertaining to distribution of the software +* without specific, written prior permission. The authors makes no +* representations about the suitability of this software for any purpose. +* It is provided "as is" without express or implied warranty. +* +* THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, +* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO +* EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR +* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF +* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR +* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +* PERFORMANCE OF THIS SOFTWARE. +* +* ======================================================================== +* +* Language: ANSI C +* Environment: Any +* Developer: Kendall Bennett +* +* Description: Header file for instruction decoding logic. +* +****************************************************************************/ + +#ifndef __X86EMU_DECODE_H +#define __X86EMU_DECODE_H + +/*---------------------- Macros and type definitions ----------------------*/ + +/* Instruction Decoding Stuff */ + +#define FETCH_DECODE_MODRM(mod,rh,rl) fetch_decode_modrm(&mod,&rh,&rl) +#define DECODE_RM_BYTE_REGISTER(r) decode_rm_byte_register(r) +#define DECODE_RM_WORD_REGISTER(r) decode_rm_word_register(r) +#define DECODE_RM_LONG_REGISTER(r) decode_rm_long_register(r) +#define DECODE_CLEAR_SEGOVR() M.x86.mode &= ~SYSMODE_CLRMASK + +/*-------------------------- Function Prototypes --------------------------*/ + +#ifdef __cplusplus +extern "C" { /* Use "C" linkage when in C++ mode */ +#endif + +void x86emu_intr_raise (u8 type); +void fetch_decode_modrm (int *mod,int *regh,int *regl); +u8 fetch_byte_imm (void); +u16 fetch_word_imm (void); +u32 fetch_long_imm (void); +u8 fetch_data_byte (uint offset); +u8 fetch_data_byte_abs (uint segment, uint offset); +u16 fetch_data_word (uint offset); +u16 fetch_data_word_abs (uint segment, uint offset); +u32 fetch_data_long (uint offset); +u32 fetch_data_long_abs (uint segment, uint offset); +void store_data_byte (uint offset, u8 val); +void store_data_byte_abs (uint segment, uint offset, u8 val); +void store_data_word (uint offset, u16 val); +void store_data_word_abs (uint segment, uint offset, u16 val); +void store_data_long (uint offset, u32 val); +void store_data_long_abs (uint segment, uint offset, u32 val); +u8* decode_rm_byte_register(int reg); +u16* decode_rm_word_register(int reg); +u32* decode_rm_long_register(int reg); +u16* decode_rm_seg_register(int reg); +unsigned decode_rm00_address(int rm); +unsigned decode_rm01_address(int rm); +unsigned decode_rm10_address(int rm); +unsigned decode_rmXX_address(int mod, int rm); + +#ifdef __cplusplus +} /* End of "C" linkage for C++ */ +#endif + +#endif /* __X86EMU_DECODE_H */ diff --git a/drivers/bios_emulator/include/x86emu/ops.h b/drivers/bios_emulator/include/x86emu/ops.h new file mode 100644 index 0000000000..a4f2316ba0 --- /dev/null +++ b/drivers/bios_emulator/include/x86emu/ops.h @@ -0,0 +1,45 @@ +/**************************************************************************** +* +* Realmode X86 Emulator Library +* +* Copyright (C) 1991-2004 SciTech Software, Inc. +* Copyright (C) David Mosberger-Tang +* Copyright (C) 1999 Egbert Eich +* +* ======================================================================== +* +* Permission to use, copy, modify, distribute, and sell this software and +* its documentation for any purpose is hereby granted without fee, +* provided that the above copyright notice appear in all copies and that +* both that copyright notice and this permission notice appear in +* supporting documentation, and that the name of the authors not be used +* in advertising or publicity pertaining to distribution of the software +* without specific, written prior permission. The authors makes no +* representations about the suitability of this software for any purpose. +* It is provided "as is" without express or implied warranty. +* +* THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, +* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO +* EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR +* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF +* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR +* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +* PERFORMANCE OF THIS SOFTWARE. +* +* ======================================================================== +* +* Language: ANSI C +* Environment: Any +* Developer: Kendall Bennett +* +* Description: Header file for operand decoding functions. +* +****************************************************************************/ + +#ifndef __X86EMU_OPS_H +#define __X86EMU_OPS_H + +extern void (*x86emu_optab[0x100])(u8 op1); +extern void (*x86emu_optab2[0x100])(u8 op2); + +#endif /* __X86EMU_OPS_H */ diff --git a/drivers/bios_emulator/include/x86emu/prim_asm.h b/drivers/bios_emulator/include/x86emu/prim_asm.h new file mode 100644 index 0000000000..4cb4cab5d5 --- /dev/null +++ b/drivers/bios_emulator/include/x86emu/prim_asm.h @@ -0,0 +1,970 @@ +/**************************************************************************** +* +* Realmode X86 Emulator Library +* +* Copyright (C) 1991-2004 SciTech Software, Inc. +* Copyright (C) David Mosberger-Tang +* Copyright (C) 1999 Egbert Eich +* +* ======================================================================== +* +* Permission to use, copy, modify, distribute, and sell this software and +* its documentation for any purpose is hereby granted without fee, +* provided that the above copyright notice appear in all copies and that +* both that copyright notice and this permission notice appear in +* supporting documentation, and that the name of the authors not be used +* in advertising or publicity pertaining to distribution of the software +* without specific, written prior permission. The authors makes no +* representations about the suitability of this software for any purpose. +* It is provided "as is" without express or implied warranty. +* +* THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, +* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO +* EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR +* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF +* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR +* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +* PERFORMANCE OF THIS SOFTWARE. +* +* ======================================================================== +* +* Language: Watcom C++ 10.6 or later +* Environment: Any +* Developer: Kendall Bennett +* +* Description: Inline assembler versions of the primitive operand +* functions for faster performance. At the moment this is +* x86 inline assembler, but these functions could be replaced +* with native inline assembler for each supported processor +* platform. +* +****************************************************************************/ + +#ifndef __X86EMU_PRIM_ASM_H +#define __X86EMU_PRIM_ASM_H + +#ifdef __WATCOMC__ + +#ifndef VALIDATE +#define __HAVE_INLINE_ASSEMBLER__ +#endif + +u32 get_flags_asm(void); +#pragma aux get_flags_asm = \ + "pushf" \ + "pop eax" \ + value [eax] \ + modify exact [eax]; + +u16 aaa_word_asm(u32 * flags, u16 d); +#pragma aux aaa_word_asm = \ + "push [edi]" \ + "popf" \ + "aaa" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [ax] \ + value [ax] \ + modify exact [ax]; + +u16 aas_word_asm(u32 * flags, u16 d); +#pragma aux aas_word_asm = \ + "push [edi]" \ + "popf" \ + "aas" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [ax] \ + value [ax] \ + modify exact [ax]; + +u16 aad_word_asm(u32 * flags, u16 d); +#pragma aux aad_word_asm = \ + "push [edi]" \ + "popf" \ + "aad" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [ax] \ + value [ax] \ + modify exact [ax]; + +u16 aam_word_asm(u32 * flags, u8 d); +#pragma aux aam_word_asm = \ + "push [edi]" \ + "popf" \ + "aam" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [al] \ + value [ax] \ + modify exact [ax]; + +u8 adc_byte_asm(u32 * flags, u8 d, u8 s); +#pragma aux adc_byte_asm = \ + "push [edi]" \ + "popf" \ + "adc al,bl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [al] [bl] \ + value [al] \ + modify exact [al bl]; + +u16 adc_word_asm(u32 * flags, u16 d, u16 s); +#pragma aux adc_word_asm = \ + "push [edi]" \ + "popf" \ + "adc ax,bx" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [ax] [bx] \ + value [ax] \ + modify exact [ax bx]; + +u32 adc_long_asm(u32 * flags, u32 d, u32 s); +#pragma aux adc_long_asm = \ + "push [edi]" \ + "popf" \ + "adc eax,ebx" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [eax] [ebx] \ + value [eax] \ + modify exact [eax ebx]; + +u8 add_byte_asm(u32 * flags, u8 d, u8 s); +#pragma aux add_byte_asm = \ + "push [edi]" \ + "popf" \ + "add al,bl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [al] [bl] \ + value [al] \ + modify exact [al bl]; + +u16 add_word_asm(u32 * flags, u16 d, u16 s); +#pragma aux add_word_asm = \ + "push [edi]" \ + "popf" \ + "add ax,bx" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [ax] [bx] \ + value [ax] \ + modify exact [ax bx]; + +u32 add_long_asm(u32 * flags, u32 d, u32 s); +#pragma aux add_long_asm = \ + "push [edi]" \ + "popf" \ + "add eax,ebx" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [eax] [ebx] \ + value [eax] \ + modify exact [eax ebx]; + +u8 and_byte_asm(u32 * flags, u8 d, u8 s); +#pragma aux and_byte_asm = \ + "push [edi]" \ + "popf" \ + "and al,bl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [al] [bl] \ + value [al] \ + modify exact [al bl]; + +u16 and_word_asm(u32 * flags, u16 d, u16 s); +#pragma aux and_word_asm = \ + "push [edi]" \ + "popf" \ + "and ax,bx" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [ax] [bx] \ + value [ax] \ + modify exact [ax bx]; + +u32 and_long_asm(u32 * flags, u32 d, u32 s); +#pragma aux and_long_asm = \ + "push [edi]" \ + "popf" \ + "and eax,ebx" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [eax] [ebx] \ + value [eax] \ + modify exact [eax ebx]; + +u8 cmp_byte_asm(u32 * flags, u8 d, u8 s); +#pragma aux cmp_byte_asm = \ + "push [edi]" \ + "popf" \ + "cmp al,bl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [al] [bl] \ + value [al] \ + modify exact [al bl]; + +u16 cmp_word_asm(u32 * flags, u16 d, u16 s); +#pragma aux cmp_word_asm = \ + "push [edi]" \ + "popf" \ + "cmp ax,bx" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [ax] [bx] \ + value [ax] \ + modify exact [ax bx]; + +u32 cmp_long_asm(u32 * flags, u32 d, u32 s); +#pragma aux cmp_long_asm = \ + "push [edi]" \ + "popf" \ + "cmp eax,ebx" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [eax] [ebx] \ + value [eax] \ + modify exact [eax ebx]; + +u8 daa_byte_asm(u32 * flags, u8 d); +#pragma aux daa_byte_asm = \ + "push [edi]" \ + "popf" \ + "daa" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [al] \ + value [al] \ + modify exact [al]; + +u8 das_byte_asm(u32 * flags, u8 d); +#pragma aux das_byte_asm = \ + "push [edi]" \ + "popf" \ + "das" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [al] \ + value [al] \ + modify exact [al]; + +u8 dec_byte_asm(u32 * flags, u8 d); +#pragma aux dec_byte_asm = \ + "push [edi]" \ + "popf" \ + "dec al" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [al] \ + value [al] \ + modify exact [al]; + +u16 dec_word_asm(u32 * flags, u16 d); +#pragma aux dec_word_asm = \ + "push [edi]" \ + "popf" \ + "dec ax" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [ax] \ + value [ax] \ + modify exact [ax]; + +u32 dec_long_asm(u32 * flags, u32 d); +#pragma aux dec_long_asm = \ + "push [edi]" \ + "popf" \ + "dec eax" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [eax] \ + value [eax] \ + modify exact [eax]; + +u8 inc_byte_asm(u32 * flags, u8 d); +#pragma aux inc_byte_asm = \ + "push [edi]" \ + "popf" \ + "inc al" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [al] \ + value [al] \ + modify exact [al]; + +u16 inc_word_asm(u32 * flags, u16 d); +#pragma aux inc_word_asm = \ + "push [edi]" \ + "popf" \ + "inc ax" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [ax] \ + value [ax] \ + modify exact [ax]; + +u32 inc_long_asm(u32 * flags, u32 d); +#pragma aux inc_long_asm = \ + "push [edi]" \ + "popf" \ + "inc eax" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [eax] \ + value [eax] \ + modify exact [eax]; + +u8 or_byte_asm(u32 * flags, u8 d, u8 s); +#pragma aux or_byte_asm = \ + "push [edi]" \ + "popf" \ + "or al,bl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [al] [bl] \ + value [al] \ + modify exact [al bl]; + +u16 or_word_asm(u32 * flags, u16 d, u16 s); +#pragma aux or_word_asm = \ + "push [edi]" \ + "popf" \ + "or ax,bx" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [ax] [bx] \ + value [ax] \ + modify exact [ax bx]; + +u32 or_long_asm(u32 * flags, u32 d, u32 s); +#pragma aux or_long_asm = \ + "push [edi]" \ + "popf" \ + "or eax,ebx" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [eax] [ebx] \ + value [eax] \ + modify exact [eax ebx]; + +u8 neg_byte_asm(u32 * flags, u8 d); +#pragma aux neg_byte_asm = \ + "push [edi]" \ + "popf" \ + "neg al" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [al] \ + value [al] \ + modify exact [al]; + +u16 neg_word_asm(u32 * flags, u16 d); +#pragma aux neg_word_asm = \ + "push [edi]" \ + "popf" \ + "neg ax" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [ax] \ + value [ax] \ + modify exact [ax]; + +u32 neg_long_asm(u32 * flags, u32 d); +#pragma aux neg_long_asm = \ + "push [edi]" \ + "popf" \ + "neg eax" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [eax] \ + value [eax] \ + modify exact [eax]; + +u8 not_byte_asm(u32 * flags, u8 d); +#pragma aux not_byte_asm = \ + "push [edi]" \ + "popf" \ + "not al" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [al] \ + value [al] \ + modify exact [al]; + +u16 not_word_asm(u32 * flags, u16 d); +#pragma aux not_word_asm = \ + "push [edi]" \ + "popf" \ + "not ax" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [ax] \ + value [ax] \ + modify exact [ax]; + +u32 not_long_asm(u32 * flags, u32 d); +#pragma aux not_long_asm = \ + "push [edi]" \ + "popf" \ + "not eax" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [eax] \ + value [eax] \ + modify exact [eax]; + +u8 rcl_byte_asm(u32 * flags, u8 d, u8 s); +#pragma aux rcl_byte_asm = \ + "push [edi]" \ + "popf" \ + "rcl al,cl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [al] [cl] \ + value [al] \ + modify exact [al cl]; + +u16 rcl_word_asm(u32 * flags, u16 d, u8 s); +#pragma aux rcl_word_asm = \ + "push [edi]" \ + "popf" \ + "rcl ax,cl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [ax] [cl] \ + value [ax] \ + modify exact [ax cl]; + +u32 rcl_long_asm(u32 * flags, u32 d, u8 s); +#pragma aux rcl_long_asm = \ + "push [edi]" \ + "popf" \ + "rcl eax,cl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [eax] [cl] \ + value [eax] \ + modify exact [eax cl]; + +u8 rcr_byte_asm(u32 * flags, u8 d, u8 s); +#pragma aux rcr_byte_asm = \ + "push [edi]" \ + "popf" \ + "rcr al,cl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [al] [cl] \ + value [al] \ + modify exact [al cl]; + +u16 rcr_word_asm(u32 * flags, u16 d, u8 s); +#pragma aux rcr_word_asm = \ + "push [edi]" \ + "popf" \ + "rcr ax,cl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [ax] [cl] \ + value [ax] \ + modify exact [ax cl]; + +u32 rcr_long_asm(u32 * flags, u32 d, u8 s); +#pragma aux rcr_long_asm = \ + "push [edi]" \ + "popf" \ + "rcr eax,cl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [eax] [cl] \ + value [eax] \ + modify exact [eax cl]; + +u8 rol_byte_asm(u32 * flags, u8 d, u8 s); +#pragma aux rol_byte_asm = \ + "push [edi]" \ + "popf" \ + "rol al,cl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [al] [cl] \ + value [al] \ + modify exact [al cl]; + +u16 rol_word_asm(u32 * flags, u16 d, u8 s); +#pragma aux rol_word_asm = \ + "push [edi]" \ + "popf" \ + "rol ax,cl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [ax] [cl] \ + value [ax] \ + modify exact [ax cl]; + +u32 rol_long_asm(u32 * flags, u32 d, u8 s); +#pragma aux rol_long_asm = \ + "push [edi]" \ + "popf" \ + "rol eax,cl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [eax] [cl] \ + value [eax] \ + modify exact [eax cl]; + +u8 ror_byte_asm(u32 * flags, u8 d, u8 s); +#pragma aux ror_byte_asm = \ + "push [edi]" \ + "popf" \ + "ror al,cl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [al] [cl] \ + value [al] \ + modify exact [al cl]; + +u16 ror_word_asm(u32 * flags, u16 d, u8 s); +#pragma aux ror_word_asm = \ + "push [edi]" \ + "popf" \ + "ror ax,cl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [ax] [cl] \ + value [ax] \ + modify exact [ax cl]; + +u32 ror_long_asm(u32 * flags, u32 d, u8 s); +#pragma aux ror_long_asm = \ + "push [edi]" \ + "popf" \ + "ror eax,cl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [eax] [cl] \ + value [eax] \ + modify exact [eax cl]; + +u8 shl_byte_asm(u32 * flags, u8 d, u8 s); +#pragma aux shl_byte_asm = \ + "push [edi]" \ + "popf" \ + "shl al,cl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [al] [cl] \ + value [al] \ + modify exact [al cl]; + +u16 shl_word_asm(u32 * flags, u16 d, u8 s); +#pragma aux shl_word_asm = \ + "push [edi]" \ + "popf" \ + "shl ax,cl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [ax] [cl] \ + value [ax] \ + modify exact [ax cl]; + +u32 shl_long_asm(u32 * flags, u32 d, u8 s); +#pragma aux shl_long_asm = \ + "push [edi]" \ + "popf" \ + "shl eax,cl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [eax] [cl] \ + value [eax] \ + modify exact [eax cl]; + +u8 shr_byte_asm(u32 * flags, u8 d, u8 s); +#pragma aux shr_byte_asm = \ + "push [edi]" \ + "popf" \ + "shr al,cl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [al] [cl] \ + value [al] \ + modify exact [al cl]; + +u16 shr_word_asm(u32 * flags, u16 d, u8 s); +#pragma aux shr_word_asm = \ + "push [edi]" \ + "popf" \ + "shr ax,cl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [ax] [cl] \ + value [ax] \ + modify exact [ax cl]; + +u32 shr_long_asm(u32 * flags, u32 d, u8 s); +#pragma aux shr_long_asm = \ + "push [edi]" \ + "popf" \ + "shr eax,cl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [eax] [cl] \ + value [eax] \ + modify exact [eax cl]; + +u8 sar_byte_asm(u32 * flags, u8 d, u8 s); +#pragma aux sar_byte_asm = \ + "push [edi]" \ + "popf" \ + "sar al,cl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [al] [cl] \ + value [al] \ + modify exact [al cl]; + +u16 sar_word_asm(u32 * flags, u16 d, u8 s); +#pragma aux sar_word_asm = \ + "push [edi]" \ + "popf" \ + "sar ax,cl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [ax] [cl] \ + value [ax] \ + modify exact [ax cl]; + +u32 sar_long_asm(u32 * flags, u32 d, u8 s); +#pragma aux sar_long_asm = \ + "push [edi]" \ + "popf" \ + "sar eax,cl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [eax] [cl] \ + value [eax] \ + modify exact [eax cl]; + +u16 shld_word_asm(u32 * flags, u16 d, u16 fill, u8 s); +#pragma aux shld_word_asm = \ + "push [edi]" \ + "popf" \ + "shld ax,dx,cl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [ax] [dx] [cl] \ + value [ax] \ + modify exact [ax dx cl]; + +u32 shld_long_asm(u32 * flags, u32 d, u32 fill, u8 s); +#pragma aux shld_long_asm = \ + "push [edi]" \ + "popf" \ + "shld eax,edx,cl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [eax] [edx] [cl] \ + value [eax] \ + modify exact [eax edx cl]; + +u16 shrd_word_asm(u32 * flags, u16 d, u16 fill, u8 s); +#pragma aux shrd_word_asm = \ + "push [edi]" \ + "popf" \ + "shrd ax,dx,cl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [ax] [dx] [cl] \ + value [ax] \ + modify exact [ax dx cl]; + +u32 shrd_long_asm(u32 * flags, u32 d, u32 fill, u8 s); +#pragma aux shrd_long_asm = \ + "push [edi]" \ + "popf" \ + "shrd eax,edx,cl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [eax] [edx] [cl] \ + value [eax] \ + modify exact [eax edx cl]; + +u8 sbb_byte_asm(u32 * flags, u8 d, u8 s); +#pragma aux sbb_byte_asm = \ + "push [edi]" \ + "popf" \ + "sbb al,bl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [al] [bl] \ + value [al] \ + modify exact [al bl]; + +u16 sbb_word_asm(u32 * flags, u16 d, u16 s); +#pragma aux sbb_word_asm = \ + "push [edi]" \ + "popf" \ + "sbb ax,bx" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [ax] [bx] \ + value [ax] \ + modify exact [ax bx]; + +u32 sbb_long_asm(u32 * flags, u32 d, u32 s); +#pragma aux sbb_long_asm = \ + "push [edi]" \ + "popf" \ + "sbb eax,ebx" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [eax] [ebx] \ + value [eax] \ + modify exact [eax ebx]; + +u8 sub_byte_asm(u32 * flags, u8 d, u8 s); +#pragma aux sub_byte_asm = \ + "push [edi]" \ + "popf" \ + "sub al,bl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [al] [bl] \ + value [al] \ + modify exact [al bl]; + +u16 sub_word_asm(u32 * flags, u16 d, u16 s); +#pragma aux sub_word_asm = \ + "push [edi]" \ + "popf" \ + "sub ax,bx" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [ax] [bx] \ + value [ax] \ + modify exact [ax bx]; + +u32 sub_long_asm(u32 * flags, u32 d, u32 s); +#pragma aux sub_long_asm = \ + "push [edi]" \ + "popf" \ + "sub eax,ebx" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [eax] [ebx] \ + value [eax] \ + modify exact [eax ebx]; + +void test_byte_asm(u32 * flags, u8 d, u8 s); +#pragma aux test_byte_asm = \ + "push [edi]" \ + "popf" \ + "test al,bl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [al] [bl] \ + modify exact [al bl]; + +void test_word_asm(u32 * flags, u16 d, u16 s); +#pragma aux test_word_asm = \ + "push [edi]" \ + "popf" \ + "test ax,bx" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [ax] [bx] \ + modify exact [ax bx]; + +void test_long_asm(u32 * flags, u32 d, u32 s); +#pragma aux test_long_asm = \ + "push [edi]" \ + "popf" \ + "test eax,ebx" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [eax] [ebx] \ + modify exact [eax ebx]; + +u8 xor_byte_asm(u32 * flags, u8 d, u8 s); +#pragma aux xor_byte_asm = \ + "push [edi]" \ + "popf" \ + "xor al,bl" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [al] [bl] \ + value [al] \ + modify exact [al bl]; + +u16 xor_word_asm(u32 * flags, u16 d, u16 s); +#pragma aux xor_word_asm = \ + "push [edi]" \ + "popf" \ + "xor ax,bx" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [ax] [bx] \ + value [ax] \ + modify exact [ax bx]; + +u32 xor_long_asm(u32 * flags, u32 d, u32 s); +#pragma aux xor_long_asm = \ + "push [edi]" \ + "popf" \ + "xor eax,ebx" \ + "pushf" \ + "pop [edi]" \ + parm [edi] [eax] [ebx] \ + value [eax] \ + modify exact [eax ebx]; + +void imul_byte_asm(u32 * flags, u16 * ax, u8 d, u8 s); +#pragma aux imul_byte_asm = \ + "push [edi]" \ + "popf" \ + "imul bl" \ + "pushf" \ + "pop [edi]" \ + "mov [esi],ax" \ + parm [edi] [esi] [al] [bl] \ + modify exact [esi ax bl]; + +void imul_word_asm(u32 * flags, u16 * ax, u16 * dx, u16 d, u16 s); +#pragma aux imul_word_asm = \ + "push [edi]" \ + "popf" \ + "imul bx" \ + "pushf" \ + "pop [edi]" \ + "mov [esi],ax" \ + "mov [ecx],dx" \ + parm [edi] [esi] [ecx] [ax] [bx]\ + modify exact [esi edi ax bx dx]; + +void imul_long_asm(u32 * flags, u32 * eax, u32 * edx, u32 d, u32 s); +#pragma aux imul_long_asm = \ + "push [edi]" \ + "popf" \ + "imul ebx" \ + "pushf" \ + "pop [edi]" \ + "mov [esi],eax" \ + "mov [ecx],edx" \ + parm [edi] [esi] [ecx] [eax] [ebx] \ + modify exact [esi edi eax ebx edx]; + +void mul_byte_asm(u32 * flags, u16 * ax, u8 d, u8 s); +#pragma aux mul_byte_asm = \ + "push [edi]" \ + "popf" \ + "mul bl" \ + "pushf" \ + "pop [edi]" \ + "mov [esi],ax" \ + parm [edi] [esi] [al] [bl] \ + modify exact [esi ax bl]; + +void mul_word_asm(u32 * flags, u16 * ax, u16 * dx, u16 d, u16 s); +#pragma aux mul_word_asm = \ + "push [edi]" \ + "popf" \ + "mul bx" \ + "pushf" \ + "pop [edi]" \ + "mov [esi],ax" \ + "mov [ecx],dx" \ + parm [edi] [esi] [ecx] [ax] [bx]\ + modify exact [esi edi ax bx dx]; + +void mul_long_asm(u32 * flags, u32 * eax, u32 * edx, u32 d, u32 s); +#pragma aux mul_long_asm = \ + "push [edi]" \ + "popf" \ + "mul ebx" \ + "pushf" \ + "pop [edi]" \ + "mov [esi],eax" \ + "mov [ecx],edx" \ + parm [edi] [esi] [ecx] [eax] [ebx] \ + modify exact [esi edi eax ebx edx]; + +void idiv_byte_asm(u32 * flags, u8 * al, u8 * ah, u16 d, u8 s); +#pragma aux idiv_byte_asm = \ + "push [edi]" \ + "popf" \ + "idiv bl" \ + "pushf" \ + "pop [edi]" \ + "mov [esi],al" \ + "mov [ecx],ah" \ + parm [edi] [esi] [ecx] [ax] [bl]\ + modify exact [esi edi ax bl]; + +void idiv_word_asm(u32 * flags, u16 * ax, u16 * dx, u16 dlo, u16 dhi, u16 s); +#pragma aux idiv_word_asm = \ + "push [edi]" \ + "popf" \ + "idiv bx" \ + "pushf" \ + "pop [edi]" \ + "mov [esi],ax" \ + "mov [ecx],dx" \ + parm [edi] [esi] [ecx] [ax] [dx] [bx]\ + modify exact [esi edi ax dx bx]; + +void idiv_long_asm(u32 * flags, u32 * eax, u32 * edx, u32 dlo, u32 dhi, u32 s); +#pragma aux idiv_long_asm = \ + "push [edi]" \ + "popf" \ + "idiv ebx" \ + "pushf" \ + "pop [edi]" \ + "mov [esi],eax" \ + "mov [ecx],edx" \ + parm [edi] [esi] [ecx] [eax] [edx] [ebx]\ + modify exact [esi edi eax edx ebx]; + +void div_byte_asm(u32 * flags, u8 * al, u8 * ah, u16 d, u8 s); +#pragma aux div_byte_asm = \ + "push [edi]" \ + "popf" \ + "div bl" \ + "pushf" \ + "pop [edi]" \ + "mov [esi],al" \ + "mov [ecx],ah" \ + parm [edi] [esi] [ecx] [ax] [bl]\ + modify exact [esi edi ax bl]; + +void div_word_asm(u32 * flags, u16 * ax, u16 * dx, u16 dlo, u16 dhi, u16 s); +#pragma aux div_word_asm = \ + "push [edi]" \ + "popf" \ + "div bx" \ + "pushf" \ + "pop [edi]" \ + "mov [esi],ax" \ + "mov [ecx],dx" \ + parm [edi] [esi] [ecx] [ax] [dx] [bx]\ + modify exact [esi edi ax dx bx]; + +void div_long_asm(u32 * flags, u32 * eax, u32 * edx, u32 dlo, u32 dhi, u32 s); +#pragma aux div_long_asm = \ + "push [edi]" \ + "popf" \ + "div ebx" \ + "pushf" \ + "pop [edi]" \ + "mov [esi],eax" \ + "mov [ecx],edx" \ + parm [edi] [esi] [ecx] [eax] [edx] [ebx]\ + modify exact [esi edi eax edx ebx]; + +#endif + +#endif /* __X86EMU_PRIM_ASM_H */ diff --git a/drivers/bios_emulator/include/x86emu/prim_ops.h b/drivers/bios_emulator/include/x86emu/prim_ops.h new file mode 100644 index 0000000000..2291e8488a --- /dev/null +++ b/drivers/bios_emulator/include/x86emu/prim_ops.h @@ -0,0 +1,141 @@ +/**************************************************************************** +* +* Realmode X86 Emulator Library +* +* Copyright (C) 1991-2004 SciTech Software, Inc. +* Copyright (C) David Mosberger-Tang +* Copyright (C) 1999 Egbert Eich +* +* ======================================================================== +* +* Permission to use, copy, modify, distribute, and sell this software and +* its documentation for any purpose is hereby granted without fee, +* provided that the above copyright notice appear in all copies and that +* both that copyright notice and this permission notice appear in +* supporting documentation, and that the name of the authors not be used +* in advertising or publicity pertaining to distribution of the software +* without specific, written prior permission. The authors makes no +* representations about the suitability of this software for any purpose. +* It is provided "as is" without express or implied warranty. +* +* THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, +* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO +* EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR +* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF +* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR +* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +* PERFORMANCE OF THIS SOFTWARE. +* +* ======================================================================== +* +* Language: ANSI C +* Environment: Any +* Developer: Kendall Bennett +* +* Description: Header file for primitive operation functions. +* +****************************************************************************/ + +#ifndef __X86EMU_PRIM_OPS_H +#define __X86EMU_PRIM_OPS_H + +#ifdef __cplusplus +extern "C" { /* Use "C" linkage when in C++ mode */ +#endif + +u16 aaa_word (u16 d); +u16 aas_word (u16 d); +u16 aad_word (u16 d); +u16 aam_word (u8 d); +u8 adc_byte (u8 d, u8 s); +u16 adc_word (u16 d, u16 s); +u32 adc_long (u32 d, u32 s); +u8 add_byte (u8 d, u8 s); +u16 add_word (u16 d, u16 s); +u32 add_long (u32 d, u32 s); +u8 and_byte (u8 d, u8 s); +u16 and_word (u16 d, u16 s); +u32 and_long (u32 d, u32 s); +u8 cmp_byte (u8 d, u8 s); +u16 cmp_word (u16 d, u16 s); +u32 cmp_long (u32 d, u32 s); +u8 daa_byte (u8 d); +u8 das_byte (u8 d); +u8 dec_byte (u8 d); +u16 dec_word (u16 d); +u32 dec_long (u32 d); +u8 inc_byte (u8 d); +u16 inc_word (u16 d); +u32 inc_long (u32 d); +u8 or_byte (u8 d, u8 s); +u16 or_word (u16 d, u16 s); +u32 or_long (u32 d, u32 s); +u8 neg_byte (u8 s); +u16 neg_word (u16 s); +u32 neg_long (u32 s); +u8 not_byte (u8 s); +u16 not_word (u16 s); +u32 not_long (u32 s); +u8 rcl_byte (u8 d, u8 s); +u16 rcl_word (u16 d, u8 s); +u32 rcl_long (u32 d, u8 s); +u8 rcr_byte (u8 d, u8 s); +u16 rcr_word (u16 d, u8 s); +u32 rcr_long (u32 d, u8 s); +u8 rol_byte (u8 d, u8 s); +u16 rol_word (u16 d, u8 s); +u32 rol_long (u32 d, u8 s); +u8 ror_byte (u8 d, u8 s); +u16 ror_word (u16 d, u8 s); +u32 ror_long (u32 d, u8 s); +u8 shl_byte (u8 d, u8 s); +u16 shl_word (u16 d, u8 s); +u32 shl_long (u32 d, u8 s); +u8 shr_byte (u8 d, u8 s); +u16 shr_word (u16 d, u8 s); +u32 shr_long (u32 d, u8 s); +u8 sar_byte (u8 d, u8 s); +u16 sar_word (u16 d, u8 s); +u32 sar_long (u32 d, u8 s); +u16 shld_word (u16 d, u16 fill, u8 s); +u32 shld_long (u32 d, u32 fill, u8 s); +u16 shrd_word (u16 d, u16 fill, u8 s); +u32 shrd_long (u32 d, u32 fill, u8 s); +u8 sbb_byte (u8 d, u8 s); +u16 sbb_word (u16 d, u16 s); +u32 sbb_long (u32 d, u32 s); +u8 sub_byte (u8 d, u8 s); +u16 sub_word (u16 d, u16 s); +u32 sub_long (u32 d, u32 s); +void test_byte (u8 d, u8 s); +void test_word (u16 d, u16 s); +void test_long (u32 d, u32 s); +u8 xor_byte (u8 d, u8 s); +u16 xor_word (u16 d, u16 s); +u32 xor_long (u32 d, u32 s); +void imul_byte (u8 s); +void imul_word (u16 s); +void imul_long (u32 s); +void imul_long_direct(u32 *res_lo, u32* res_hi,u32 d, u32 s); +void mul_byte (u8 s); +void mul_word (u16 s); +void mul_long (u32 s); +void idiv_byte (u8 s); +void idiv_word (u16 s); +void idiv_long (u32 s); +void div_byte (u8 s); +void div_word (u16 s); +void div_long (u32 s); +void ins (int size); +void outs (int size); +u16 mem_access_word (int addr); +void push_word (u16 w); +void push_long (u32 w); +u16 pop_word (void); +u32 pop_long (void); + +#ifdef __cplusplus +} /* End of "C" linkage for C++ */ +#endif + +#endif /* __X86EMU_PRIM_OPS_H */ diff --git a/drivers/bios_emulator/include/x86emu/regs.h b/drivers/bios_emulator/include/x86emu/regs.h new file mode 100644 index 0000000000..a7fedd2f6c --- /dev/null +++ b/drivers/bios_emulator/include/x86emu/regs.h @@ -0,0 +1,340 @@ +/**************************************************************************** +* +* Realmode X86 Emulator Library +* +* Copyright (C) 1991-2004 SciTech Software, Inc. +* Copyright (C) David Mosberger-Tang +* Copyright (C) 1999 Egbert Eich +* +* ======================================================================== +* +* Permission to use, copy, modify, distribute, and sell this software and +* its documentation for any purpose is hereby granted without fee, +* provided that the above copyright notice appear in all copies and that +* both that copyright notice and this permission notice appear in +* supporting documentation, and that the name of the authors not be used +* in advertising or publicity pertaining to distribution of the software +* without specific, written prior permission. The authors makes no +* representations about the suitability of this software for any purpose. +* It is provided "as is" without express or implied warranty. +* +* THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, +* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO +* EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR +* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF +* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR +* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +* PERFORMANCE OF THIS SOFTWARE. +* +* ======================================================================== +* +* Language: ANSI C +* Environment: Any +* Developer: Kendall Bennett +* +* Description: Header file for x86 register definitions. +* +****************************************************************************/ + +#ifndef __X86EMU_REGS_H +#define __X86EMU_REGS_H + +/*---------------------- Macros and type definitions ----------------------*/ + +#pragma pack(1) + +/* + * General EAX, EBX, ECX, EDX type registers. Note that for + * portability, and speed, the issue of byte swapping is not addressed + * in the registers. All registers are stored in the default format + * available on the host machine. The only critical issue is that the + * registers should line up EXACTLY in the same manner as they do in + * the 386. That is: + * + * EAX & 0xff === AL + * EAX & 0xffff == AX + * + * etc. The result is that alot of the calculations can then be + * done using the native instruction set fully. + */ + +#ifdef __BIG_ENDIAN__ + +typedef struct { + u32 e_reg; +} I32_reg_t; + +typedef struct { + u16 filler0, x_reg; +} I16_reg_t; + +typedef struct { + u8 filler0, filler1, h_reg, l_reg; +} I8_reg_t; + +#else /* !__BIG_ENDIAN__ */ + +typedef struct { + u32 e_reg; +} I32_reg_t; + +typedef struct { + u16 x_reg; +} I16_reg_t; + +typedef struct { + u8 l_reg, h_reg; +} I8_reg_t; + +#endif /* BIG_ENDIAN */ + +typedef union { + I32_reg_t I32_reg; + I16_reg_t I16_reg; + I8_reg_t I8_reg; +} i386_general_register; + +struct i386_general_regs { + i386_general_register A, B, C, D; +}; + +typedef struct i386_general_regs Gen_reg_t; + +struct i386_special_regs { + i386_general_register SP, BP, SI, DI, IP; + u32 FLAGS; +}; + +/* + * Segment registers here represent the 16 bit quantities + * CS, DS, ES, SS. + */ + +#undef CS +#undef DS +#undef SS +#undef ES +#undef FS +#undef GS + +struct i386_segment_regs { + u16 CS, DS, SS, ES, FS, GS; +}; + +/* 8 bit registers */ +#define R_AH gen.A.I8_reg.h_reg +#define R_AL gen.A.I8_reg.l_reg +#define R_BH gen.B.I8_reg.h_reg +#define R_BL gen.B.I8_reg.l_reg +#define R_CH gen.C.I8_reg.h_reg +#define R_CL gen.C.I8_reg.l_reg +#define R_DH gen.D.I8_reg.h_reg +#define R_DL gen.D.I8_reg.l_reg + +/* 16 bit registers */ +#define R_AX gen.A.I16_reg.x_reg +#define R_BX gen.B.I16_reg.x_reg +#define R_CX gen.C.I16_reg.x_reg +#define R_DX gen.D.I16_reg.x_reg + +/* 32 bit extended registers */ +#define R_EAX gen.A.I32_reg.e_reg +#define R_EBX gen.B.I32_reg.e_reg +#define R_ECX gen.C.I32_reg.e_reg +#define R_EDX gen.D.I32_reg.e_reg + +/* special registers */ +#define R_SP spc.SP.I16_reg.x_reg +#define R_BP spc.BP.I16_reg.x_reg +#define R_SI spc.SI.I16_reg.x_reg +#define R_DI spc.DI.I16_reg.x_reg +#define R_IP spc.IP.I16_reg.x_reg +#define R_FLG spc.FLAGS + +/* special registers */ +#define R_SP spc.SP.I16_reg.x_reg +#define R_BP spc.BP.I16_reg.x_reg +#define R_SI spc.SI.I16_reg.x_reg +#define R_DI spc.DI.I16_reg.x_reg +#define R_IP spc.IP.I16_reg.x_reg +#define R_FLG spc.FLAGS + +/* special registers */ +#define R_ESP spc.SP.I32_reg.e_reg +#define R_EBP spc.BP.I32_reg.e_reg +#define R_ESI spc.SI.I32_reg.e_reg +#define R_EDI spc.DI.I32_reg.e_reg +#define R_EIP spc.IP.I32_reg.e_reg +#define R_EFLG spc.FLAGS + +/* segment registers */ +#define R_CS seg.CS +#define R_DS seg.DS +#define R_SS seg.SS +#define R_ES seg.ES +#define R_FS seg.FS +#define R_GS seg.GS + +/* flag conditions */ +#define FB_CF 0x0001 /* CARRY flag */ +#define FB_PF 0x0004 /* PARITY flag */ +#define FB_AF 0x0010 /* AUX flag */ +#define FB_ZF 0x0040 /* ZERO flag */ +#define FB_SF 0x0080 /* SIGN flag */ +#define FB_TF 0x0100 /* TRAP flag */ +#define FB_IF 0x0200 /* INTERRUPT ENABLE flag */ +#define FB_DF 0x0400 /* DIR flag */ +#define FB_OF 0x0800 /* OVERFLOW flag */ + +/* 80286 and above always have bit#1 set */ +#define F_ALWAYS_ON (0x0002) /* flag bits always on */ + +/* + * Define a mask for only those flag bits we will ever pass back + * (via PUSHF) + */ +#define F_MSK (FB_CF|FB_PF|FB_AF|FB_ZF|FB_SF|FB_TF|FB_IF|FB_DF|FB_OF) + +/* following bits masked in to a 16bit quantity */ + +#define F_CF 0x0001 /* CARRY flag */ +#define F_PF 0x0004 /* PARITY flag */ +#define F_AF 0x0010 /* AUX flag */ +#define F_ZF 0x0040 /* ZERO flag */ +#define F_SF 0x0080 /* SIGN flag */ +#define F_TF 0x0100 /* TRAP flag */ +#define F_IF 0x0200 /* INTERRUPT ENABLE flag */ +#define F_DF 0x0400 /* DIR flag */ +#define F_OF 0x0800 /* OVERFLOW flag */ + +#define TOGGLE_FLAG(flag) (M.x86.R_FLG ^= (flag)) +#define SET_FLAG(flag) (M.x86.R_FLG |= (flag)) +#define CLEAR_FLAG(flag) (M.x86.R_FLG &= ~(flag)) +#define ACCESS_FLAG(flag) (M.x86.R_FLG & (flag)) +#define CLEARALL_FLAG(m) (M.x86.R_FLG = 0) + +#define CONDITIONAL_SET_FLAG(COND,FLAG) \ + if (COND) SET_FLAG(FLAG); else CLEAR_FLAG(FLAG) + +#define F_PF_CALC 0x010000 /* PARITY flag has been calced */ +#define F_ZF_CALC 0x020000 /* ZERO flag has been calced */ +#define F_SF_CALC 0x040000 /* SIGN flag has been calced */ + +#define F_ALL_CALC 0xff0000 /* All have been calced */ + +/* + * Emulator machine state. + * Segment usage control. + */ +#define SYSMODE_SEG_DS_SS 0x00000001 +#define SYSMODE_SEGOVR_CS 0x00000002 +#define SYSMODE_SEGOVR_DS 0x00000004 +#define SYSMODE_SEGOVR_ES 0x00000008 +#define SYSMODE_SEGOVR_FS 0x00000010 +#define SYSMODE_SEGOVR_GS 0x00000020 +#define SYSMODE_SEGOVR_SS 0x00000040 +#define SYSMODE_PREFIX_REPE 0x00000080 +#define SYSMODE_PREFIX_REPNE 0x00000100 +#define SYSMODE_PREFIX_DATA 0x00000200 +#define SYSMODE_PREFIX_ADDR 0x00000400 +#define SYSMODE_INTR_PENDING 0x10000000 +#define SYSMODE_EXTRN_INTR 0x20000000 +#define SYSMODE_HALTED 0x40000000 + +#define SYSMODE_SEGMASK (SYSMODE_SEG_DS_SS | \ + SYSMODE_SEGOVR_CS | \ + SYSMODE_SEGOVR_DS | \ + SYSMODE_SEGOVR_ES | \ + SYSMODE_SEGOVR_FS | \ + SYSMODE_SEGOVR_GS | \ + SYSMODE_SEGOVR_SS) +#define SYSMODE_CLRMASK (SYSMODE_SEG_DS_SS | \ + SYSMODE_SEGOVR_CS | \ + SYSMODE_SEGOVR_DS | \ + SYSMODE_SEGOVR_ES | \ + SYSMODE_SEGOVR_FS | \ + SYSMODE_SEGOVR_GS | \ + SYSMODE_SEGOVR_SS | \ + SYSMODE_PREFIX_DATA | \ + SYSMODE_PREFIX_ADDR) + +#define INTR_SYNCH 0x1 +#define INTR_ASYNCH 0x2 +#define INTR_HALTED 0x4 + +typedef struct { + struct i386_general_regs gen; + struct i386_special_regs spc; + struct i386_segment_regs seg; + /* + * MODE contains information on: + * REPE prefix 2 bits repe,repne + * SEGMENT overrides 5 bits normal,DS,SS,CS,ES + * Delayed flag set 3 bits (zero, signed, parity) + * reserved 6 bits + * interrupt # 8 bits instruction raised interrupt + * BIOS video segregs 4 bits + * Interrupt Pending 1 bits + * Extern interrupt 1 bits + * Halted 1 bits + */ + long mode; + u8 intno; + volatile int intr; /* mask of pending interrupts */ + int debug; +#ifdef DEBUG + int check; + u16 saved_ip; + u16 saved_cs; + int enc_pos; + int enc_str_pos; + char decode_buf[32]; /* encoded byte stream */ + char decoded_buf[256]; /* disassembled strings */ +#endif +} X86EMU_regs; + +/**************************************************************************** +REMARKS: +Structure maintaining the emulator machine state. + +MEMBERS: +x86 - X86 registers +mem_base - Base real mode memory for the emulator +mem_size - Size of the real mode memory block for the emulator +****************************************************************************/ +#undef x86 +typedef struct { + X86EMU_regs x86; + u8 *mem_base; + u32 mem_size; + void *private; +} X86EMU_sysEnv; + +#pragma pack() + +/*----------------------------- Global Variables --------------------------*/ + +#ifdef __cplusplus +extern "C" { /* Use "C" linkage when in C++ mode */ +#endif + +/* Global emulator machine state. + * + * We keep it global to avoid pointer dereferences in the code for speed. + */ + + extern X86EMU_sysEnv _X86EMU_env; +#define M _X86EMU_env + +/*-------------------------- Function Prototypes --------------------------*/ + +/* Function to log information at runtime */ + +#ifndef __KERNEL__ + void printk(const char *fmt, ...); +#endif + +#ifdef __cplusplus +} /* End of "C" linkage for C++ */ +#endif +#endif /* __X86EMU_REGS_H */ diff --git a/drivers/bios_emulator/include/x86emu/x86emui.h b/drivers/bios_emulator/include/x86emu/x86emui.h new file mode 100644 index 0000000000..a74957d992 --- /dev/null +++ b/drivers/bios_emulator/include/x86emu/x86emui.h @@ -0,0 +1,101 @@ +/**************************************************************************** +* +* Realmode X86 Emulator Library +* +* Copyright (C) 1991-2004 SciTech Software, Inc. +* Copyright (C) David Mosberger-Tang +* Copyright (C) 1999 Egbert Eich +* +* ======================================================================== +* +* Permission to use, copy, modify, distribute, and sell this software and +* its documentation for any purpose is hereby granted without fee, +* provided that the above copyright notice appear in all copies and that +* both that copyright notice and this permission notice appear in +* supporting documentation, and that the name of the authors not be used +* in advertising or publicity pertaining to distribution of the software +* without specific, written prior permission. The authors makes no +* representations about the suitability of this software for any purpose. +* It is provided "as is" without express or implied warranty. +* +* THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, +* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO +* EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR +* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF +* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR +* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +* PERFORMANCE OF THIS SOFTWARE. +* +* ======================================================================== +* +* Language: ANSI C +* Environment: Any +* Developer: Kendall Bennett +* +* Description: Header file for system specific functions. These functions +* are always compiled and linked in the OS depedent libraries, +* and never in a binary portable driver. +* +****************************************************************************/ + +#ifndef __X86EMU_X86EMUI_H +#define __X86EMU_X86EMUI_H + +/* If we are compiling in C++ mode, we can compile some functions as + * inline to increase performance (however the code size increases quite + * dramatically in this case). + */ + +#if defined(__cplusplus) && !defined(_NO_INLINE) +#define _INLINE inline +#else +#define _INLINE static +#endif + +/* Get rid of unused parameters in C++ compilation mode */ + +#ifdef __cplusplus +#define X86EMU_UNUSED(v) +#else +#define X86EMU_UNUSED(v) v +#endif + +#include "x86emu.h" +#include "x86emu/regs.h" +#include "x86emu/debug.h" +#include "x86emu/decode.h" +#include "x86emu/ops.h" +#include "x86emu/prim_ops.h" +#ifndef __KERNEL__ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#endif + +#define printk printf + + +/*--------------------------- Inline Functions ----------------------------*/ + +#ifdef __cplusplus +extern "C" { /* Use "C" linkage when in C++ mode */ +#endif + + extern u8(X86APIP sys_rdb) (u32 addr); + extern u16(X86APIP sys_rdw) (u32 addr); + extern u32(X86APIP sys_rdl) (u32 addr); + extern void (X86APIP sys_wrb) (u32 addr, u8 val); + extern void (X86APIP sys_wrw) (u32 addr, u16 val); + extern void (X86APIP sys_wrl) (u32 addr, u32 val); + + extern u8(X86APIP sys_inb) (X86EMU_pioAddr addr); + extern u16(X86APIP sys_inw) (X86EMU_pioAddr addr); + extern u32(X86APIP sys_inl) (X86EMU_pioAddr addr); + extern void (X86APIP sys_outb) (X86EMU_pioAddr addr, u8 val); + extern void (X86APIP sys_outw) (X86EMU_pioAddr addr, u16 val); + extern void (X86APIP sys_outl) (X86EMU_pioAddr addr, u32 val); + +#ifdef __cplusplus +} /* End of "C" linkage for C++ */ +#endif +#endif /* __X86EMU_X86EMUI_H */ |