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comment/structure info update

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git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/trunk@1487 6ac86273-5f31-0410-b378-82cca8765d1b
This commit is contained in:
Kenneth J Davis 2009-07-13 03:13:43 +00:00
parent f82d41f169
commit 8f9448f313
2 changed files with 47 additions and 1 deletions
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9
hdr/lol.h
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@ -73,12 +73,19 @@ struct lol {
unsigned short min_pars; /* 64 minimum para req by program execed */ unsigned short min_pars; /* 64 minimum para req by program execed */
unsigned short uppermem_root;/* 66 Start of umb chain (usually 9fff) */ unsigned short uppermem_root;/* 66 Start of umb chain (usually 9fff) */
unsigned short last_para; /* 68 para: start scanning during memalloc */ unsigned short last_para; /* 68 para: start scanning during memalloc */
/* ANY ITEM BELOW THIS POINT MAY CHANGE */
/* FreeDOS specific entries */ /* FreeDOS specific entries */
unsigned char os_setver_minor;/*6a settable minor DOS version */ unsigned char os_setver_minor;/*6a settable minor DOS version */
unsigned char os_setver_major;/*6b settable major DOS version */ unsigned char os_setver_major;/*6b settable major DOS version */
unsigned char os_minor; /* 6c minor DOS version */ unsigned char os_minor; /* 6c minor DOS version */
unsigned char os_major; /* 6d major DOS version */ unsigned char os_major; /* 6d major DOS version */
unsigned char rev_number; /* 6e minor DOS version */ unsigned char rev_number; /* 6e DOS revision#, only 3 bits */
unsigned char version_flags; /* 6f DOS version flags */ unsigned char version_flags; /* 6f DOS version flags */
char *os_release; /* 70 near pointer to os_release string */ char *os_release; /* 70 near pointer to os_release string */
#ifdef WIN31SUPPORT
unsigned short winInstanced; /* WinInit called */
unsigned long winStartupInfo[4];
unsigned short instanceTable[5];
#endif
}; };

39
hdr/win.h Normal file
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@ -0,0 +1,39 @@
#ifndef __WINSUPPORT_H
#define __WINSUPPORT_H
#ifdef WIN31SUPPORT /* defined to enable kernel hooks for win3.x compatibility */
extern UWORD winInstanced; /* internal flag marking if Windows is active */
/* contains information about data that must be kept for each active DOS
instance, ie data that can NOT be shared between multiple VMs.
*/
struct WinStartupInfo
{
UWORD winver; /* this structure version, matches Windows version */
ULONG next; /* far pointer to next WinStartupInfo structure or NULL */
ULONG vddName; /* far pointer to ASCIIZ pathname of virtual device driver */
ULONG vddInfo; /* far pointer to vdd reference data or NULL if vddName=NULL */
ULONG instanceTable; /* far pointer to array of instance data */
ULONG optInstanceTable; /* used only if winver set to 0x400 (w95)*/
};
extern struct WinStartupInfo winStartupInfo;
/* contains a list of offsets relative to DOS data segment of
various internal variables.
*/
struct WinPatchTable
{
UWORD dosver;
UWORD OffTempDS;
UWORD OffTempBX;
UWORD OffInDOS;
UWORD OffMachineID;
UWORD OffCritSectPatches;
UWORD OffLastMCBSeg; /* used by Win 3.1 if DOS version 5 or higher */
};
extern struct WinPatchTable winPatchTable;
#endif /* WIN31SUPPORT */
#endif /* __WINSUPPORT_H */