9584e214f5
git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/branches/UNSTABLE@1029 6ac86273-5f31-0410-b378-82cca8765d1b
324 lines
9.9 KiB
C
324 lines
9.9 KiB
C
/* Included by initialisation functions */
|
|
#define IN_INIT_MOD
|
|
|
|
#include "version.h"
|
|
#include "date.h"
|
|
#include "time.h"
|
|
#include "mcb.h"
|
|
#include "sft.h"
|
|
#include "fat.h"
|
|
#include "fnode.h"
|
|
#include "file.h"
|
|
#include "cds.h"
|
|
#include "device.h"
|
|
#include "kbd.h"
|
|
#include "error.h"
|
|
#include "fcb.h"
|
|
#include "tail.h"
|
|
#include "process.h"
|
|
#include "pcb.h"
|
|
#include "nls.h"
|
|
#include "buffer.h"
|
|
#include "dcb.h"
|
|
#include "lol.h"
|
|
|
|
#include "init-dat.h"
|
|
|
|
#include "kconfig.h"
|
|
|
|
/* MSC places uninitialized data into COMDEF records,
|
|
that end up in DATA segment. this can't be tolerated in INIT code.
|
|
please make sure, that ALL data in INIT is initialized !!
|
|
|
|
These guys are marked BSS_INIT to mark that they really should be BSS
|
|
but can't be because of MS
|
|
*/
|
|
#ifdef _MSC_VER
|
|
#define BSS_INIT(x) = x
|
|
#else
|
|
#define BSS_INIT(x)
|
|
#endif
|
|
|
|
extern struct _KernelConfig InitKernelConfig;
|
|
|
|
/*
|
|
* Functions in `INIT_TEXT' may need to call functions in `_TEXT'. The entry
|
|
* calls for the latter functions therefore need to be wrapped up with far
|
|
* entry points.
|
|
*/
|
|
#define printf init_printf
|
|
#define sprintf init_sprintf
|
|
#ifndef __WATCOMC__
|
|
#define execrh init_execrh
|
|
#define memcpy init_memcpy
|
|
#define fmemcpy init_fmemcpy
|
|
#define fmemset init_fmemset
|
|
#define fmemcmp init_fmemcmp
|
|
#define memcmp init_memcmp
|
|
#define memset init_memset
|
|
#define strchr init_strchr
|
|
#define strcpy init_strcpy
|
|
#define strlen init_strlen
|
|
#define fstrlen init_fstrlen
|
|
#endif
|
|
#define open init_DosOpen
|
|
|
|
/* execrh.asm */
|
|
WORD ASMPASCAL execrh(request FAR *, struct dhdr FAR *);
|
|
|
|
/* asmsupt.asm */
|
|
VOID ASMPASCAL memset( void *s, int ch, size_t n);
|
|
VOID ASMPASCAL fmemset( void FAR *s, int ch, size_t n);
|
|
int ASMPASCAL memcmp(const void *m1, const void *m2, size_t n);
|
|
int ASMPASCAL fmemcmp(const void FAR *m1, const void FAR *m2, size_t n);
|
|
VOID ASMPASCAL memcpy( void *d, const void *s, size_t n);
|
|
VOID ASMPASCAL fmemcpy( void FAR *d, const void FAR *s, size_t n);
|
|
VOID ASMPASCAL strcpy(char *d, const char *s);
|
|
size_t ASMPASCAL strlen(const char *s);
|
|
size_t ASMPASCAL fstrlen(const char FAR *s);
|
|
char * ASMPASCAL strchr(const char *s, int ch);
|
|
|
|
#ifdef __WATCOMC__
|
|
/* bx, cx, dx and es not used or clobbered for all asmsupt.asm functions except
|
|
(f)memchr/(f)strchr (which clobber dx) */
|
|
#pragma aux (pascal) pascal_ax modify exact [ax]
|
|
#pragma aux (pascal_ax) memset
|
|
#pragma aux (pascal_ax) fmemset
|
|
#pragma aux (pascal_ax) memcpy
|
|
#pragma aux (pascal_ax) fmemcpy
|
|
#pragma aux (pascal_ax) memcmp modify nomemory
|
|
#pragma aux (pascal_ax) fmemcmp modify nomemory
|
|
#pragma aux (pascal_ax) strcpy
|
|
#pragma aux (pascal_ax) strlen modify nomemory
|
|
#pragma aux (pascal_ax) fstrlen modify nomemory
|
|
#pragma aux (pascal) strchr modify exact [ax dx] nomemory
|
|
#endif
|
|
|
|
#undef LINESIZE
|
|
#define LINESIZE KBD_MAXLENGTH
|
|
|
|
/*inithma.c*/
|
|
extern BYTE DosLoadedInHMA;
|
|
void MoveKernel(unsigned NewKernelSegment);
|
|
|
|
void setvec(unsigned char intno, intvec vector);
|
|
#ifndef __WATCOMC__
|
|
#define getvec init_getvec
|
|
#endif
|
|
intvec getvec(unsigned char intno);
|
|
|
|
#define GLOBAL extern
|
|
#define NAMEMAX MAX_CDSPATH /* Maximum path for CDS */
|
|
#define NFILES 16 /* number of files in table */
|
|
#define NFCBS 16 /* number of fcbs */
|
|
#define NSTACKS 8 /* number of stacks */
|
|
#define STACKSIZE 256 /* default stacksize */
|
|
#define NLAST 5 /* last drive */
|
|
#define NUMBUFF 20 /* Number of track buffers at INIT time */
|
|
/* -- must be at least 3 */
|
|
#define MAX_HARD_DRIVE 8
|
|
#define NDEV 26 /* up to Z: */
|
|
|
|
#include "config.h" /* config structure */
|
|
|
|
/* config.c */
|
|
extern struct config Config;
|
|
VOID PreConfig(VOID);
|
|
void DoConfig(void);
|
|
VOID PostConfig(VOID);
|
|
VOID configDone(VOID);
|
|
#ifdef I86
|
|
void _seg * alignNextPara(CVFP);
|
|
#else
|
|
#define alignNextPara(x) ((const VOID *)x)
|
|
#endif
|
|
void _seg * KernelAlloc(size_t nBytes, UBYTE type, int mode);
|
|
void _seg * KernelAllocPara(size_t nPara, UBYTE type, CStr name, int mode);
|
|
void DoInstall(void);
|
|
unsigned GetBiosKey(int timeout);
|
|
|
|
/* diskinit.c */
|
|
COUNT dsk_init(VOID);
|
|
|
|
/* int2f.asm */
|
|
|
|
int ASMPASCAL UMB_get_largest(CVFP driverAddress, seg_t *, size_t *);
|
|
#ifdef __WATCOMC__
|
|
# pragma aux (pascal) UMB_get_largest modify exact [ax bx cx dx]
|
|
#endif
|
|
|
|
/* inithma.c */
|
|
int MoveKernelToHMA(void);
|
|
VFP HMAalloc(COUNT bytesToAllocate);
|
|
|
|
/* intr.asm */
|
|
|
|
unsigned ASMPASCAL init_call_intr(int nr, iregs * rp);
|
|
unsigned ASMPASCAL read(int fd, void *buf, unsigned count);
|
|
int ASMPASCAL open(const char *pathname, int flags);
|
|
int ASMPASCAL close(int fd);
|
|
int ASMPASCAL dup2(int oldfd, int newfd);
|
|
ULONG ASMPASCAL lseek(int fd, long position);
|
|
seg ASMPASCAL allocmem(UWORD size);
|
|
void ASMPASCAL init_PSPSet(seg psp_seg);
|
|
int ASMPASCAL init_DosExec(int mode, exec_blk *, CStr);
|
|
int ASMPASCAL init_setdrive(int drive);
|
|
int ASMPASCAL init_switchar(int chr);
|
|
void ASMPASCAL keycheck(void);
|
|
void ASMPASCAL set_DTA(void far *dta);
|
|
#ifdef __WATCOMC__
|
|
#pragma aux (pascal) init_call_intr modify exact [ax]
|
|
#pragma aux (pascal) read modify exact [ax bx cx dx]
|
|
#pragma aux (pascal) init_DosOpen modify exact [ax bx dx]
|
|
#pragma aux (pascal) close modify exact [ax bx]
|
|
#pragma aux (pascal) dup2 modify exact [ax bx cx]
|
|
#pragma aux (pascal) allocmem modify exact [ax bx]
|
|
#pragma aux (pascal) init_PSPSet modify exact [ax bx]
|
|
#pragma aux (pascal) init_DosExec modify exact [ax bx dx es]
|
|
#pragma aux (pascal) init_setdrive modify exact [ax bx dx]
|
|
#pragma aux (pascal) init_switchar modify exact [ax bx dx]
|
|
#pragma aux (pascal) keycheck modify exact [ax]
|
|
#pragma aux (pascal) set_DTA modify exact [ax bx dx]
|
|
#endif
|
|
|
|
/* irqstack.asm */
|
|
VOID ASMCFUNC init_stacks(VOID FAR * stack_base, COUNT nStacks,
|
|
WORD stackSize);
|
|
|
|
/* inthndlr.c */
|
|
VOID ASMCFUNC FAR int21_entry(iregs UserRegs);
|
|
VOID ASMCFUNC int21_service(iregs far * r);
|
|
VOID ASMCFUNC FAR int0_handler(void);
|
|
VOID ASMCFUNC FAR int6_handler(void);
|
|
VOID ASMCFUNC FAR empty_handler(void);
|
|
VOID ASMCFUNC FAR int20_handler(void);
|
|
VOID ASMCFUNC FAR int21_handler(void);
|
|
VOID ASMCFUNC FAR int22_handler(void);
|
|
VOID ASMCFUNC FAR int24_handler(void);
|
|
VOID ASMCFUNC FAR low_int25_handler(void);
|
|
VOID ASMCFUNC FAR low_int26_handler(void);
|
|
VOID ASMCFUNC FAR int27_handler(void);
|
|
VOID ASMCFUNC FAR int28_handler(void);
|
|
VOID ASMCFUNC FAR int29_handler(void);
|
|
VOID ASMCFUNC FAR int2a_handler(void);
|
|
VOID ASMCFUNC FAR int2f_handler(void);
|
|
VOID ASMCFUNC FAR cpm_entry(void);
|
|
|
|
/* kernel.asm */
|
|
|
|
void ASMCFUNC FAR init_call_p_0(const struct config FAR *); /* P_0, actually */
|
|
#ifdef __WATCOMC__
|
|
# pragma aux (cdecl) init_call_p_0 aborts
|
|
#endif
|
|
|
|
/* main.c */
|
|
|
|
void ASMCFUNC FreeDOSmain(void);
|
|
BOOL init_device(struct dhdr FAR *, PCStr cmdLine, int mode, VFP *top);
|
|
#ifdef __WATCOMC__
|
|
# pragma aux (cdecl) FreeDOSmain aborts
|
|
#endif
|
|
|
|
/* prf.c */
|
|
|
|
VOID VA_CDECL init_printf(const char * fmt, ...);
|
|
VOID VA_CDECL init_sprintf(char * buff, const char * fmt, ...);
|
|
|
|
/* procsupt.asm */
|
|
VOID ASMCFUNC FAR got_cbreak(void);
|
|
|
|
/* initclk.c */
|
|
extern void Init_clk_driver(void);
|
|
|
|
extern UWORD HMAFree; /* first byte in HMA not yet used */
|
|
|
|
extern unsigned CurrentKernelSegment;
|
|
extern struct _KernelConfig FAR ASM LowKernelConfig;
|
|
extern WORD days[2][13];
|
|
extern VFP lpTop;
|
|
extern BYTE ASM _ib_start[], ASM _ib_end[], ASM _init_end[];
|
|
|
|
enum { ASK_ASK = 0x01, /* ?device= device?= */
|
|
ASK_NOASK = 0x02, /* !files= */
|
|
ASK_TRACE = 0x04, /* F8 processing */
|
|
ASK_SKIPALL = 0x08, /* F5 processing */
|
|
ASK_YESALL = 0x10, /* Esc while trace */
|
|
};
|
|
|
|
extern UBYTE askCommand;
|
|
|
|
extern struct lol FAR * const LoL;
|
|
|
|
extern struct dhdr DOSTEXTFAR ASM blk_dev; /* Block device (Disk) driver */
|
|
|
|
extern struct buffer FAR *DOSFAR firstAvailableBuf; /* first 'available' buffer */
|
|
extern struct lol ASM FAR DATASTART;
|
|
|
|
extern BYTE DOSFAR ASM _HMATextAvailable, /* first byte of available CODE area */
|
|
FAR ASM _HMATextStart[], /* first byte of HMAable CODE area */
|
|
FAR ASM _HMATextEnd[], DOSFAR ASM break_ena; /* break enabled flag */
|
|
extern BYTE DOSFAR _InitTextStart, /* first available byte of ram */
|
|
DOSFAR ReturnAnyDosVersionExpected;
|
|
|
|
extern BYTE FAR ASM internal_data[];
|
|
extern unsigned char FAR ASM kbdType;
|
|
|
|
extern struct {
|
|
char ThisIsAConstantOne;
|
|
short TableSize;
|
|
|
|
struct CountrySpecificInfo C;
|
|
|
|
} FAR ASM nlsCountryInfoHardcoded;
|
|
|
|
/*
|
|
data shared between DSK.C and INITDISK.C
|
|
*/
|
|
|
|
extern UWORD DOSFAR LBA_WRITE_VERIFY;
|
|
|
|
/* floppy parameter table, at 70:xxxx */
|
|
extern unsigned char DOSTEXTFAR ASM int1e_table[0xe];
|
|
|
|
extern char DOSFAR DiskTransferBuffer[SEC_SIZE]; /* in dsk.c */
|
|
|
|
struct RelocationTable {
|
|
UBYTE jmpFar;
|
|
UWORD jmpOffset;
|
|
UWORD jmpSegment;
|
|
UBYTE callNear;
|
|
UWORD callOffset;
|
|
};
|
|
|
|
struct RelocatedEntry {
|
|
UBYTE callNear;
|
|
UWORD callOffset;
|
|
UBYTE jmpFar;
|
|
UWORD jmpOffset;
|
|
UWORD jmpSegment;
|
|
};
|
|
|
|
extern struct RelocationTable
|
|
DOSFAR ASM _HMARelocationTableStart[],
|
|
DOSFAR ASM _HMARelocationTableEnd[];
|
|
|
|
extern void FAR *DOSFAR ASM XMSDriverAddress;
|
|
extern VOID ASMPASCAL FAR _EnableA20(VOID);
|
|
extern VOID ASMPASCAL FAR _DisableA20(VOID);
|
|
|
|
extern void FAR * ASMPASCAL DetectXMSDriver(VOID);
|
|
extern int ASMPASCAL init_call_XMScall(void FAR * driverAddress, UWORD ax,
|
|
UWORD dx);
|
|
#ifdef __WATCOMC__
|
|
#pragma aux (pascal) DetectXMSDriver modify exact [ax dx]
|
|
#pragma aux (pascal) _EnableA20 modify exact [ax]
|
|
#pragma aux (pascal) _DisableA20 modify exact [ax]
|
|
#endif
|
|
|
|
#if defined(WATCOM) && 0
|
|
ULONG ASMCFUNC FAR MULULUS(ULONG mul1, UWORD mul2); /* MULtiply ULong by UShort */
|
|
ULONG ASMCFUNC FAR MULULUL(ULONG mul1, ULONG mul2); /* MULtiply ULong by ULong */
|
|
ULONG ASMCFUNC FAR DIVULUS(ULONG mul1, UWORD mul2); /* DIVide ULong by UShort */
|
|
ULONG ASMCFUNC FAR DIVMODULUS(ULONG mul1, UWORD mul2, UWORD * rem); /* DIVide ULong by UShort */
|
|
#endif
|