361 lines
13 KiB
C
361 lines
13 KiB
C
/*
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* DOS EXE loader
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*
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* Copyright 1998 Ove Kåven
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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 2.1 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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*/
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#ifndef __WINE_DOSEXE_H
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#define __WINE_DOSEXE_H
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#include <stdarg.h>
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#include "windef.h"
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#include "wine/windef16.h"
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#include "winbase.h"
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#include "winnt.h" /* for PCONTEXT */
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#include "wincon.h" /* for MOUSE_EVENT_RECORD */
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#include "miscemu.h"
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#define MAX_DOS_DRIVES 26
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struct _DOSEVENT;
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/* amount of space reserved for relay stack */
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#define DOSVM_RELAY_DATA_SIZE 4096
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/* various real-mode code stubs */
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struct DPMI_segments
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{
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WORD wrap_seg;
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WORD xms_seg;
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WORD dpmi_seg;
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WORD dpmi_sel;
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WORD int48_sel;
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WORD int16_sel;
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WORD relay_code_sel;
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WORD relay_data_sel;
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};
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/* 48-bit segmented pointers for DOS DPMI32 */
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typedef struct {
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WORD selector;
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DWORD offset;
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} SEGPTR48, FARPROC48;
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#define DOSCONF_MEM_HIGH 0x0001
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#define DOSCONF_MEM_UMB 0x0002
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#define DOSCONF_NUMLOCK 0x0004
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#define DOSCONF_KEYB_CONV 0x0008
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typedef struct {
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char lastdrive;
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int brk_flag;
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int files;
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int stacks_nr;
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int stacks_sz;
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int buf;
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int buf2;
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int fcbs;
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int flags;
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char *shell;
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char *country;
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} DOSCONF;
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typedef void (*DOSRELAY)(CONTEXT86*,void*);
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typedef void (WINAPI *RMCBPROC)(CONTEXT86*);
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typedef void (WINAPI *INTPROC)(CONTEXT86*);
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#define DOS_PRIORITY_REALTIME 0 /* IRQ0 */
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#define DOS_PRIORITY_KEYBOARD 1 /* IRQ1 */
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#define DOS_PRIORITY_VGA 2 /* IRQ9 */
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#define DOS_PRIORITY_MOUSE 5 /* IRQ12 */
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#define DOS_PRIORITY_SERIAL 10 /* IRQ4 */
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extern WORD DOSVM_psp; /* psp of current DOS task */
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extern WORD DOSVM_retval; /* return value of previous DOS task */
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extern struct DPMI_segments *DOSVM_dpmi_segments;
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#if defined(linux) && defined(__i386__) && defined(HAVE_SYS_VM86_H)
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# define MZ_SUPPORTED
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#endif /* linux-i386 */
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/*
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* Declare some CONTEXT86.EFlags bits.
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* IF_MASK is only pushed into real mode stack.
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*/
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#define V86_FLAG 0x00020000
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#define IF_MASK 0x00000200
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#define VIF_MASK 0x00080000
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#define VIP_MASK 0x00100000
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#define ADD_LOWORD(dw,val) ((dw) = ((dw) & 0xffff0000) | LOWORD((DWORD)(dw)+(val)))
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#define PTR_REAL_TO_LIN(seg,off) ((void*)(((unsigned int)(seg) << 4) + LOWORD(off)))
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/* NOTE: Interrupts might get called from four modes: real mode, 16-bit,
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* 32-bit segmented (DPMI32) and 32-bit linear (via DeviceIoControl).
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* For automatic conversion of pointer
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* parameters, interrupt handlers should use CTX_SEG_OFF_TO_LIN with
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* the contents of a segment register as second and the contents of
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* a *32-bit* general register as third parameter, e.g.
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* CTX_SEG_OFF_TO_LIN( context, DS_reg(context), EDX_reg(context) )
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* This will generate a linear pointer in all three cases:
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* Real-Mode: Seg*16 + LOWORD(Offset)
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* 16-bit: convert (Seg, LOWORD(Offset)) to linear
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* 32-bit segmented: convert (Seg, Offset) to linear
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* 32-bit linear: use Offset as linear address (DeviceIoControl!)
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*
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* Real-mode is recognized by checking the V86 bit in the flags register,
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* 32-bit linear mode is recognized by checking whether 'seg' is
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* a system selector (0 counts also as 32-bit segment) and 32-bit
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* segmented mode is recognized by checking whether 'seg' is 32-bit
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* selector which is neither system selector nor zero.
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*/
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#define CTX_SEG_OFF_TO_LIN(context,seg,off) \
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(ISV86(context) ? PTR_REAL_TO_LIN((seg),(off)) : wine_ldt_get_ptr((seg),(off)))
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#define INT_BARF(context,num) \
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ERR( "int%x: unknown/not implemented parameters:\n" \
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"int%x: AX %04x, BX %04x, CX %04x, DX %04x, " \
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"SI %04x, DI %04x, DS %04x, ES %04x\n", \
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(num), (num), LOWORD((context)->Eax), LOWORD((context)->Ebx), \
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LOWORD((context)->Ecx), LOWORD((context)->Edx), LOWORD((context)->Esi), \
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LOWORD((context)->Edi), (WORD)(context)->SegDs, (WORD)(context)->SegEs )
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/* Macros for easier access to i386 context registers */
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#define AX_reg(context) ((WORD)(context)->Eax)
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#define BX_reg(context) ((WORD)(context)->Ebx)
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#define CX_reg(context) ((WORD)(context)->Ecx)
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#define DX_reg(context) ((WORD)(context)->Edx)
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#define SI_reg(context) ((WORD)(context)->Esi)
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#define DI_reg(context) ((WORD)(context)->Edi)
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#define AL_reg(context) ((BYTE)(context)->Eax)
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#define AH_reg(context) ((BYTE)((context)->Eax >> 8))
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#define BL_reg(context) ((BYTE)(context)->Ebx)
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#define BH_reg(context) ((BYTE)((context)->Ebx >> 8))
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#define CL_reg(context) ((BYTE)(context)->Ecx)
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#define CH_reg(context) ((BYTE)((context)->Ecx >> 8))
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#define DL_reg(context) ((BYTE)(context)->Edx)
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#define DH_reg(context) ((BYTE)((context)->Edx >> 8))
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#define SET_CFLAG(context) ((context)->EFlags |= 0x0001)
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#define RESET_CFLAG(context) ((context)->EFlags &= ~0x0001)
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#define SET_ZFLAG(context) ((context)->EFlags |= 0x0040)
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#define RESET_ZFLAG(context) ((context)->EFlags &= ~0x0040)
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#define ISV86(context) ((context)->EFlags & 0x00020000)
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#define SET_AX(context,val) ((void)((context)->Eax = ((context)->Eax & ~0xffff) | (WORD)(val)))
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#define SET_BX(context,val) ((void)((context)->Ebx = ((context)->Ebx & ~0xffff) | (WORD)(val)))
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#define SET_CX(context,val) ((void)((context)->Ecx = ((context)->Ecx & ~0xffff) | (WORD)(val)))
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#define SET_DX(context,val) ((void)((context)->Edx = ((context)->Edx & ~0xffff) | (WORD)(val)))
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#define SET_SI(context,val) ((void)((context)->Esi = ((context)->Esi & ~0xffff) | (WORD)(val)))
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#define SET_DI(context,val) ((void)((context)->Edi = ((context)->Edi & ~0xffff) | (WORD)(val)))
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#define SET_AL(context,val) ((void)((context)->Eax = ((context)->Eax & ~0xff) | (BYTE)(val)))
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#define SET_BL(context,val) ((void)((context)->Ebx = ((context)->Ebx & ~0xff) | (BYTE)(val)))
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#define SET_CL(context,val) ((void)((context)->Ecx = ((context)->Ecx & ~0xff) | (BYTE)(val)))
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#define SET_DL(context,val) ((void)((context)->Edx = ((context)->Edx & ~0xff) | (BYTE)(val)))
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#define SET_AH(context,val) ((void)((context)->Eax = ((context)->Eax & ~0xff00) | (((BYTE)(val)) << 8)))
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#define SET_BH(context,val) ((void)((context)->Ebx = ((context)->Ebx & ~0xff00) | (((BYTE)(val)) << 8)))
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#define SET_CH(context,val) ((void)((context)->Ecx = ((context)->Ecx & ~0xff00) | (((BYTE)(val)) << 8)))
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#define SET_DH(context,val) ((void)((context)->Edx = ((context)->Edx & ~0xff00) | (((BYTE)(val)) << 8)))
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/* module.c */
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extern void WINAPI MZ_LoadImage( LPCSTR filename, HANDLE hFile );
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extern BOOL WINAPI MZ_Exec( CONTEXT86 *context, LPCSTR filename, BYTE func, LPVOID paramblk );
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extern void WINAPI MZ_Exit( CONTEXT86 *context, BOOL cs_psp, WORD retval );
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extern BOOL WINAPI MZ_Current( void );
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extern void WINAPI MZ_AllocDPMITask( void );
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extern void WINAPI MZ_RunInThread( PAPCFUNC proc, ULONG_PTR arg );
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extern BOOL DOSVM_IsWin16(void);
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/* dosvm.c */
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extern void DOSVM_SendQueuedEvents( CONTEXT86 * );
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extern void WINAPI DOSVM_AcknowledgeIRQ( CONTEXT86 * );
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extern INT WINAPI DOSVM_Enter( CONTEXT86 *context );
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extern void WINAPI DOSVM_Wait( CONTEXT86 * );
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extern DWORD WINAPI DOSVM_Loop( HANDLE hThread );
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extern void WINAPI DOSVM_QueueEvent( INT irq, INT priority, DOSRELAY relay, LPVOID data );
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extern void WINAPI DOSVM_PIC_ioport_out( WORD port, BYTE val );
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extern void WINAPI DOSVM_SetTimer( UINT ticks );
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extern UINT WINAPI DOSVM_GetTimer( void );
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extern BIOSDATA *DOSVM_BiosData( void );
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/* devices.c */
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extern void DOSDEV_InstallDOSDevices(void);
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extern DWORD DOSDEV_Console(void);
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extern DWORD DOSDEV_FindCharDevice(char*name);
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extern int DOSDEV_Peek(DWORD dev, BYTE*data);
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extern int DOSDEV_Read(DWORD dev, DWORD buf, int buflen);
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extern int DOSDEV_Write(DWORD dev, DWORD buf, int buflen, int verify);
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extern int DOSDEV_IoctlRead(DWORD dev, DWORD buf, int buflen);
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extern int DOSDEV_IoctlWrite(DWORD dev, DWORD buf, int buflen);
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extern void DOSDEV_SetSharingRetry(WORD delay, WORD count);
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extern SEGPTR DOSDEV_GetLOL(BOOL v86);
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/* dma.c */
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extern int DMA_Transfer(int channel,int reqlength,void* buffer);
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extern void DMA_ioport_out( WORD port, BYTE val );
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extern BYTE DMA_ioport_in( WORD port );
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/* dosaspi.c */
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void WINAPI DOSVM_ASPIHandler(CONTEXT86*);
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/* dosconf.c */
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DOSCONF *DOSCONF_GetConfig( void );
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/* fpu.c */
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extern void WINAPI DOSVM_Int34Handler(CONTEXT86*);
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extern void WINAPI DOSVM_Int35Handler(CONTEXT86*);
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extern void WINAPI DOSVM_Int36Handler(CONTEXT86*);
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extern void WINAPI DOSVM_Int37Handler(CONTEXT86*);
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extern void WINAPI DOSVM_Int38Handler(CONTEXT86*);
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extern void WINAPI DOSVM_Int39Handler(CONTEXT86*);
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extern void WINAPI DOSVM_Int3aHandler(CONTEXT86*);
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extern void WINAPI DOSVM_Int3bHandler(CONTEXT86*);
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extern void WINAPI DOSVM_Int3cHandler(CONTEXT86*);
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extern void WINAPI DOSVM_Int3dHandler(CONTEXT86*);
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extern void WINAPI DOSVM_Int3eHandler(CONTEXT86*);
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/* himem.c */
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extern void DOSVM_InitSegments(void);
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extern LPVOID DOSVM_AllocUMB(DWORD);
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extern LPVOID DOSVM_AllocCodeUMB(DWORD, WORD *, WORD *);
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extern LPVOID DOSVM_AllocDataUMB(DWORD, WORD *, WORD *);
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/* int09.c */
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extern void WINAPI DOSVM_Int09Handler(CONTEXT86*);
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extern void WINAPI DOSVM_Int09SendScan(BYTE scan,BYTE ascii);
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extern BYTE WINAPI DOSVM_Int09ReadScan(BYTE*ascii);
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/* int10.c */
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extern void WINAPI DOSVM_Int10Handler(CONTEXT86*);
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extern void WINAPI DOSVM_PutChar(BYTE ascii);
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/* int11.c */
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extern void WINAPI DOSVM_Int11Handler(CONTEXT86*);
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/* int12.c */
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extern void WINAPI DOSVM_Int12Handler(CONTEXT86*);
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/* int13.c */
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extern void WINAPI DOSVM_Int13Handler(CONTEXT86*);
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/* int15.c */
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extern void WINAPI DOSVM_Int15Handler(CONTEXT86*);
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/* int1a.c */
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extern void WINAPI DOSVM_Int1aHandler(CONTEXT86*);
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/* int16.c */
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extern void WINAPI DOSVM_Int16Handler(CONTEXT86*);
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extern BOOL WINAPI DOSVM_Int16ReadChar( BYTE *, BYTE *, CONTEXT86 * );
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extern int WINAPI DOSVM_Int16AddChar(BYTE ascii,BYTE scan);
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/* int17.c */
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extern void WINAPI DOSVM_Int17Handler(CONTEXT86*);
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/* int19.c */
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extern void WINAPI DOSVM_Int19Handler(CONTEXT86*);
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/* int20.c */
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extern void WINAPI DOSVM_Int20Handler(CONTEXT86*);
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/* int21.c */
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extern void WINAPI DOSVM_Int21Handler(CONTEXT86*);
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/* int25.c */
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BOOL DOSVM_RawRead( BYTE, DWORD, DWORD, BYTE *, BOOL );
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void WINAPI DOSVM_Int25Handler( CONTEXT86 * );
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/* int26.c */
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BOOL DOSVM_RawWrite( BYTE, DWORD, DWORD, BYTE *, BOOL );
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void WINAPI DOSVM_Int26Handler( CONTEXT86 * );
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/* int29.c */
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extern void WINAPI DOSVM_Int29Handler(CONTEXT86*);
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/* int2a.c */
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extern void WINAPI DOSVM_Int2aHandler(CONTEXT86*);
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/* int2f.c */
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extern void WINAPI DOSVM_Int2fHandler(CONTEXT86*);
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/* int31.c */
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extern void WINAPI DOSVM_Int31Handler(CONTEXT86*);
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extern void WINAPI DOSVM_RawModeSwitchHandler(CONTEXT86*);
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extern BOOL DOSVM_IsDos32(void);
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extern FARPROC16 WINAPI DPMI_AllocInternalRMCB(RMCBPROC);
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extern void WINAPI DPMI_FreeInternalRMCB(FARPROC16);
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extern int DPMI_CallRMProc(CONTEXT86*,LPWORD,int,int);
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extern BOOL DOSVM_CheckWrappers(CONTEXT86*);
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/* int33.c */
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extern void WINAPI DOSVM_Int33Handler(CONTEXT86*);
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extern void WINAPI DOSVM_Int33Message(UINT,WPARAM,LPARAM);
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extern void WINAPI DOSVM_Int33Console(MOUSE_EVENT_RECORD*);
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/* int41.c */
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extern void WINAPI DOSVM_Int41Handler(CONTEXT86*);
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/* int4b.c */
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extern void WINAPI DOSVM_Int4bHandler(CONTEXT86*);
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/* int5c.c */
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extern void WINAPI DOSVM_Int5cHandler(CONTEXT86*);
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/* int67.c */
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extern void WINAPI DOSVM_Int67Handler(CONTEXT86*);
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extern void WINAPI EMS_Ioctl_Handler(CONTEXT86*);
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/* interrupts.c */
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extern void WINAPI DOSVM_CallBuiltinHandler( CONTEXT86 *, BYTE );
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extern void WINAPI DOSVM_EmulateInterruptPM( CONTEXT86 *, BYTE );
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extern BOOL WINAPI DOSVM_EmulateInterruptRM( CONTEXT86 *, BYTE );
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extern FARPROC16 DOSVM_GetPMHandler16( BYTE );
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extern FARPROC48 DOSVM_GetPMHandler48( BYTE );
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extern FARPROC16 DOSVM_GetRMHandler( BYTE );
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extern void DOSVM_HardwareInterruptPM( CONTEXT86 *, BYTE );
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extern void DOSVM_HardwareInterruptRM( CONTEXT86 *, BYTE );
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extern void DOSVM_SetPMHandler16( BYTE, FARPROC16 );
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extern void DOSVM_SetPMHandler48( BYTE, FARPROC48 );
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extern void DOSVM_SetRMHandler( BYTE, FARPROC16 );
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/* relay.c */
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void DOSVM_RelayHandler( CONTEXT86 * );
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void DOSVM_BuildCallFrame( CONTEXT86 *, DOSRELAY, LPVOID );
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/* soundblaster.c */
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extern void SB_ioport_out( WORD port, BYTE val );
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extern BYTE SB_ioport_in( WORD port );
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/* ppdev.c */
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extern BOOL IO_pp_outp(int port, DWORD* res);
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extern int IO_pp_inp(int port, DWORD* res);
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extern char IO_pp_init(void);
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/* timer.c */
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extern void WINAPI DOSVM_Int08Handler(CONTEXT86*);
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/* xms.c */
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extern void WINAPI XMS_Handler(CONTEXT86*);
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#endif /* __WINE_DOSEXE_H */
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