version 2.1a jeremyd 2001/8/19
modified so takes optional 2nd parameter (similar to PC DOS) where if only 1 argument is given, assume to be destination drive, but if two arguments given, 1st is source (drive and/or path) and second is destination drive FAT32 support. git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/trunk@306 6ac86273-5f31-0410-b378-82cca8765d1b
This commit is contained in:
Bart Oldeman
parent
048c87bbac
commit
a957122ff6
232
sys/sys.c
232
sys/sys.c
@ -26,9 +26,26 @@
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***************************************************************/
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/* $Log$
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* Revision 1.7 2001/07/09 22:19:33 bartoldeman
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* LBA/FCB/FAT/SYS/Ctrl-C/ioctl fixes + memory savings
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* Revision 1.8 2001/09/23 20:39:44 bartoldeman
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* version 2.1a jeremyd 2001/8/19
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* modified so takes optional 2nd parameter (similar to PC DOS)
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* where if only 1 argument is given, assume to be destination drive,
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* but if two arguments given, 1st is source (drive and/or path)
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* and second is destination drive
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*
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* FAT32 support.
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*
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/* version 2.1a jeremyd 2001/8/19
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modified so takes optional 2nd parameter (similar to PC DOS)
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where if only 1 argument is given, assume to be destination drive,
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but if two arguments given, 1st is source (drive and/or path)
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and second is destination drive
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*/
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/* Revision 1.7 2001/07/09 22:19:33 bartoldeman
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/* LBA/FCB/FAT/SYS/Ctrl-C/ioctl fixes + memory savings
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/*
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/* Revision 2.1 tomehlert 2001/4/26
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changed the file system detection code.
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@ -119,6 +136,9 @@
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#define STORE_BOOT_INFO
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#define DEBUG
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/* #define DDEBUG */
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#define SYS_VERSION "v2.1a"
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#include <stdio.h>
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#include <stdlib.h>
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@ -127,11 +147,20 @@
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#include <io.h>
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#include <dos.h>
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#include <ctype.h>
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#include <mem.h>
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#ifdef __TURBOC__
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#include <mem.h>
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#else
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#include <memory.h>
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#endif
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#include <string.h>
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#include <dir.h>
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#include "portab.h"
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#include "b_fat12.h"
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#include "b_fat16.h"
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#ifdef WITHFAT32
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#include "b_fat32.h"
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#endif
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BYTE pgm[] = "sys";
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@ -143,7 +172,7 @@ COUNT DiskWrite(WORD, WORD, WORD, WORD, WORD, BYTE FAR *);
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#define SEC_SIZE 512
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#define COPY_SIZE 32768
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#define COPY_SIZE 32768u
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@ -177,28 +206,89 @@ struct bootsectortype
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ULONG sysDataStart; /* first data sector */
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};
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struct bootsectortype32
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{
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UBYTE bsJump[3];
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char OemName[8];
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UWORD bsBytesPerSec;
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UBYTE bsSecPerClust;
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UWORD bsResSectors;
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UBYTE bsFATs;
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UWORD bsRootDirEnts;
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UWORD bsSectors;
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UBYTE bsMedia;
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UWORD bsFATsecs;
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UWORD bsSecPerTrack;
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UWORD bsHeads;
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ULONG bsHiddenSecs;
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ULONG bsHugeSectors;
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ULONG bsBigFatSize;
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UBYTE bsFlags;
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UBYTE bsMajorVersion;
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UWORD bsMinorVersion;
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ULONG bsRootCluster;
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UWORD bsFSInfoSector;
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UWORD bsBackupBoot;
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ULONG bsReserved2[3];
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UBYTE bsDriveNumber;
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UBYTE bsReserved3;
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UBYTE bsExtendedSignature;
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ULONG bsSerialNumber;
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char bsVolumeLabel[11];
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char bsFileSystemID[8];
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ULONG sysFatStart;
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ULONG sysDataStart;
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UWORD sysFatSecMask;
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UWORD sysFatSecShift;
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};
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COUNT drive;
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COUNT drive; /* destination drive */
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BYTE srcPath[MAXPATH]; /* source drive and/or path */
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BYTE *endOfSrcPath; /* marks start of filename */
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UBYTE newboot[SEC_SIZE], oldboot[SEC_SIZE];
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#define SBOFFSET 11
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#define SBSIZE (sizeof(struct bootsectortype) - SBOFFSET)
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#define SBSIZE32 (sizeof(struct bootsectortype32) - SBOFFSET)
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VOID main(COUNT argc, char **argv)
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{
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printf("FreeDOS System Installer v2.1\n\n");
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WORD slen;
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if (argc != 2)
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printf("FreeDOS System Installer " SYS_VERSION "\n\n");
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if (argc == 2)
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{
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printf("Usage: %s drive\n drive = A,B,etc.\n", pgm);
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drive = toupper(*argv[1]) - 'A';
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srcPath[0] = '\0';
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endOfSrcPath = srcPath;
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}
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else if (argc == 3)
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{
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drive = toupper(*argv[2]) - 'A';
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strncpy(srcPath, argv[1], MAXDIR);
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/* make sure srcPath + "file" is a valid path */
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slen = strlen(srcPath);
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if ( (srcPath[slen-1] != ':') &&
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((srcPath[slen-1] != '\\') || (srcPath[slen-1] != '/')) )
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{
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srcPath[slen] = '\\';
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slen++;
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srcPath[slen] = '\0';
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}
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endOfSrcPath = srcPath + slen;
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}
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else
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{
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printf("Usage: %s [source] drive\n", pgm);
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printf(" source = A:,B:,C:\\KERNEL\\BIN\\,etc., or current directory if not given\n");
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printf(" drive = A,B,etc.\n");
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exit(1);
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}
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drive = toupper(*argv[1]) - 'A';
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if (drive < 0 || drive >= 26)
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{
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printf( "%s: drive %c must be A:..Z:\n", pgm,*argv[1]);
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@ -213,14 +303,14 @@ VOID main(COUNT argc, char **argv)
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}
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printf("\nCopying KERNEL.SYS...");
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printf("\nCopying KERNEL.SYS...\n");
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if (!copy(drive, "kernel.sys"))
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{
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printf("\n%s: cannot copy \"KERNEL.SYS\"\n", pgm);
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exit(1);
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}
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printf("\nCopying COMMAND.COM...");
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printf("\nCopying COMMAND.COM...\n");
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if (!copy(drive, "command.com"))
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{
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printf("\n%s: cannot copy \"COMMAND.COM\"\n", pgm);
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@ -269,7 +359,7 @@ VOID dump_sector(unsigned char far * sec)
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MSDOS requires int25, CX=ffff for drives > 32MB
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*/
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int MyAbsReadWrite(char DosDrive, int count, ULONG sector, void *buffer, unsigned intno)
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int MyAbsReadWrite(int DosDrive, int count, ULONG sector, void *buffer, unsigned intno)
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{
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struct {
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unsigned long sectorNumber;
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@ -284,13 +374,25 @@ int MyAbsReadWrite(char DosDrive, int count, ULONG sector, void *buffer, unsigne
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diskReadPacket.count = count;
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diskReadPacket.address = buffer;
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regs.h.al = DosDrive;
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regs.h.al = (BYTE)DosDrive;
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regs.x.bx = (short)&diskReadPacket;
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regs.x.cx = 0xffff;
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if (intno != 0x25 && intno != 0x26) return 0xff;
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int86(intno,®s,®s);
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#ifdef WITHFAT32
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if (regs.x.cflag)
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{
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regs.x.ax = 0x7305;
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regs.h.dl = DosDrive + 1;
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regs.x.bx = (short)&diskReadPacket;
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regs.x.cx = 0xffff;
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regs.x.si = intno - 0x25;
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int86(0x21, ®s, ®s);
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}
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#endif
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return regs.x.cflag ? 0xff : 0;
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}
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@ -303,6 +405,9 @@ VOID put_boot(COUNT drive)
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WORD count;
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ULONG temp;
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struct bootsectortype *bs;
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#ifdef WITHFAT32
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struct bootsectortype32 *bs32;
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#endif
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int fs;
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union REGS regs;
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struct SREGS sregs;
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@ -402,20 +507,53 @@ VOID put_boot(COUNT drive)
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memcpy(newboot, b_fat12, SEC_SIZE); /* copy FAT12 boot sector */
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printf("FAT type: FAT12\n");
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}
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else {
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printf("FAT type: FAT32\n");
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printf("Sorry, we don't have a FAT32 boot sector (yet)\n");
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printf(" for this reason, we can't make the drive bootable\n");
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exit(1);
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else
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{
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printf("FAT type: FAT32\n");
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#ifdef WITHFAT32
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memcpy(newboot, b_fat32, SEC_SIZE); /* copy FAT32 boot sector */
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#else
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printf("SYS hasn't been compiled with FAT32 support.");
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printf("Consider using -DWITHFAT32 option.\n");
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exit(1);
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#endif
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}
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/* Copy disk parameter from old sector to new sector */
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memcpy(&newboot[SBOFFSET], &oldboot[SBOFFSET], SBSIZE);
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#ifdef WITHFAT32
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if (fs == 32)
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memcpy(&newboot[SBOFFSET], &oldboot[SBOFFSET], SBSIZE32);
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else
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#endif
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memcpy(&newboot[SBOFFSET], &oldboot[SBOFFSET], SBSIZE);
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bs = (struct bootsectortype *) & newboot;
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memcpy(bs->OemName, "FreeDOS ",8);
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#ifdef WITHFAT32
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if (fs == 32)
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{
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bs32 = (struct bootsectortype32 *) & newboot;
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temp = bs32->bsHiddenSecs + bs32->bsResSectors;
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bs32->sysFatStart = temp;
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bs32->sysDataStart = temp + bs32->bsBigFatSize * bs32->bsFATs;
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bs32->sysFatSecMask = bs32->bsBytesPerSec / 4 - 1;
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temp = bs32->sysFatSecMask + 1;
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for (bs32->sysFatSecShift = 0; temp != 1; bs32->sysFatSecShift++, temp >>= 1);
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}
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#ifdef DEBUG
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if (fs == 32)
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{
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printf( "FAT starts at sector %lx = (%lx + %x)\n", bs32->sysFatStart,
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bs32->bsHiddenSecs, bs32->bsResSectors);
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printf("DATA starts at sector %lx\n", bs32->sysDataStart);
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}
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#endif
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#else
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#ifdef STORE_BOOT_INFO
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/* TE thinks : never, see above */
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/* temporary HACK for the load segment (0x0060): it is in unused */
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@ -438,7 +576,6 @@ VOID put_boot(COUNT drive)
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temp = temp + bs->sysRootDirSecs;
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bs->sysDataStart = temp;
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#ifdef DEBUG
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printf("Root dir entries = %u\n", bs->bsRootDirEnts);
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printf("Root dir sectors = %u\n", bs->sysRootDirSecs);
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@ -451,6 +588,7 @@ VOID put_boot(COUNT drive)
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bs->sysRootDirSecs);
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#endif
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#endif
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#endif
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#ifdef DDEBUG
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@ -476,13 +614,14 @@ BOOL check_space(COUNT drive, BYTE * BlkBuffer)
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/* this should check, if on destination is enough space
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to hold command.com+ kernel.sys */
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if (drive);
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if (BlkBuffer);
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UNREFERENCED_PARAMETER(drive);
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UNREFERENCED_PARAMETER(BlkBuffer);
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return 1;
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}
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BYTE copybuffer[COPY_SIZE];
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BOOL copy(COUNT drive, BYTE * file)
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{
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@ -490,16 +629,25 @@ BOOL copy(COUNT drive, BYTE * file)
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COUNT ifd, ofd;
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unsigned ret;
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int fdin, fdout;
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BYTE buffer[COPY_SIZE];
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struct ftime ftime;
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ULONG copied = 0;
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sprintf(dest, "%c:\\%s", 'A' + drive, file);
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if ((fdin = open(file, O_RDONLY|O_BINARY)) < 0)
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{
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struct stat fstatbuf;
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if (stat(file,&fstatbuf))
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{
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printf( "%s: \"%s\" not found\n", pgm, file);
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return FALSE;
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}
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sprintf(dest, "%c:\\%s", 'A' + drive, file);
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strcpy(endOfSrcPath, file);
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if ((fdin = open(srcPath, O_RDONLY|O_BINARY)) < 0)
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{
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printf( "%s: \"%s\" not found\n", pgm, srcPath);
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return FALSE;
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}
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if ((fdout = open(dest, O_RDWR | O_TRUNC | O_CREAT | O_BINARY,S_IREAD|S_IWRITE)) < 0)
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{
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printf( " %s: can't create\"%s\"\nDOS errnum %d", pgm, dest, errno);
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@ -507,9 +655,9 @@ BOOL copy(COUNT drive, BYTE * file)
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return FALSE;
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}
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while ((ret = read(fdin, buffer,COPY_SIZE)) > 0)
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while ((ret = read(fdin, copybuffer,COPY_SIZE)) > 0)
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{
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if (write(fdout, buffer, ret) != ret)
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if (write(fdout, copybuffer, ret) != ret)
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{
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printf("Can't write %u bytes to %s\n",dest);
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close(fdout);
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@ -519,12 +667,30 @@ BOOL copy(COUNT drive, BYTE * file)
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copied += ret;
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}
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getftime(fdin, &ftime);
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setftime(fdout, &ftime);
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#ifdef __TURBO__
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{
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struct ftime ftime;
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getftime(fdin, &ftime);
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setftime(fdout, &ftime);
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}
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#endif
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close(fdin);
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close(fdout);
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#ifdef _MSV_VER
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{
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#include <utime.h>
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struct utimbuf utimb;
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utimb.actime = /* access time */
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utimb.modtime = fstatbuf.st_mtime; /* modification time */
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utime(dest,&utimb);
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};
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#endif
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printf("%lu Bytes transferred", copied);
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return TRUE;
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