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https://github.com/FDOS/kernel.git
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minor build fixes (when features disabled) and merge in Udo's EnhancedDR changes
git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/branches/UNSTABLE@1097 6ac86273-5f31-0410-b378-82cca8765d1b
This commit is contained in:
Kenneth J Davis
parent
3acc1e41de
commit
4a2ad74a44
115
sys/sys.c
115
sys/sys.c
@ -26,11 +26,26 @@
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***************************************************************/
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#define DEBUG
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/* #define DDEBUG */
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#define DEBUG /* to display extra information */
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/* #define DDEBUG */ /* to enable display of sector dumps */
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#define WITHOEMCOMPATBS /* include support for OEM MS/PC DOS 3.??-6.x */
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#define FDCONFIG /* include support to configure FD kernel */
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/* #define DRSYS */ /* SYS for Enhanced DR-DOS (OpenDOS enhancement Project) */
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#define SYS_VERSION "v3.5a"
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#define SYS_VERSION "v3.5b"
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#define SYS_NAME "FreeDOS System Installer "
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#ifdef DRSYS /* set displayed name & drop FD kernel config */
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#undef SYS_NAME
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#define SYS_NAME "Enhanced DR-DOS System Installer "
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#ifdef FDCONFIG
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#undef FDCONFIG
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#endif
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#ifdef WITHOEMCOMPATBS
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#undef WITHOEMCOMPATBS
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#endif
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#endif
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#include <stdlib.h>
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#include <dos.h>
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@ -263,7 +278,9 @@ struct VerifyBootSectorSize {
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/* (Watcom has a nice warning for this, by the way) */
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};
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#ifdef FDCONFIG
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int FDKrnConfigMain(int argc, char **argv);
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#endif
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/* FreeDOS sys, we default to our kernel and load segment, but
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if not found (or explicitly given) support OEM DOS variants
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@ -280,33 +297,56 @@ typedef struct DOSBootFiles {
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BOOL stdbs; /* use FD boot sector (T) or oem compat one (F) */
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LONG minsize; /* smallest dos file can be and be valid, 0=existance optional */
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} DOSBootFiles;
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#define FREEDOS_FILES { "KERNEL.SYS", NULL, 0x60, 1, 0 },
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DOSBootFiles bootFiles[] = {
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/* Note: This order is the order OEM:AUTO uses to determine DOS flavor. */
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/* FreeDOS */ { "KERNEL.SYS", NULL, 0x60, 1, 0 },
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#ifndef DRSYS
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/* FreeDOS */ FREEDOS_FILES
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#endif
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/* DR-DOS */ { "DRBIO.SYS", "DRDOS.SYS", 0x70, 1, 1 },
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/* DR-DOS */ { "IBMBIO.COM", "IBMDOS.COM", 0x70, 1, 1 },
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#ifdef DRSYS
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/* FreeDOS */ FREEDOS_FILES
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#endif
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#ifdef WITHOEMCOMPATBS
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/* PC-DOS */ { "IBMBIO.COM", "IBMDOS.COM", 0x70, 0, 6138 }, /* pre v7 DR ??? */
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/* MS-DOS */ { "IO.SYS", "MSDOS.SYS", 0x70, 0, 10240 },
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/* W9x-DOS */ { "IO.SYS", "MSDOS.SYS", 0x70, 0, 0},
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#endif
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/* W9x-DOS */ { "IO.SYS", "MSDOS.SYS", 0x70, 1, 0},
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};
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#define DOSFLAVORS (sizeof(bootFiles) / sizeof(*bootFiles))
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/* associate friendly name with index into bootFiles array */
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#define OEM_AUTO (-1) /* attempt to guess DOS on source drive */
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#ifndef DRSYS
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#define OEM_FD 0 /* standard FreeDOS mode */
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#define OEM_DR 1 /* use FreeDOS boot sector, but OEM names */
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#define OEM_PC 2 /* use PC-DOS compatible boot sector and names */
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#define OEM_MS 3 /* use PC-DOS compatible BS with MS names */
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#define OEM_W9x 4 /* use FreeDOS boot sector but with MS names */
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#define OEM_EDR 1 /* use FreeDOS boot sector, but OEM names */
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#define OEM_DR 2 /* FD boot sector,(Enhanced) DR-DOS names */
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#else
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#define OEM_FD 2 /* standard FreeDOS mode */
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#define OEM_EDR 0 /* use FreeDOS boot sector, but OEM names */
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#define OEM_DR 1 /* FD boot sector,(Enhanced) DR-DOS names */
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#endif
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#ifdef WITHOEMCOMPATBS
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#define OEM_PC 3 /* use PC-DOS compatible boot sector and names */
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#define OEM_MS 4 /* use PC-DOS compatible BS with MS names */
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#define OEM_W9x 5 /* use PC-DOS compatible BS with MS names */
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#endif
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CONST char * msgDOS[DOSFLAVORS] = {
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"\n", /* In standard FreeDOS mode, don't print anything special */
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CONST char * msgDOS[DOSFLAVORS] = { /* order should match above items */
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"\n", /* In standard FreeDOS/EnhancedDR mode, don't print anything special */
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#ifndef DRSYS
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"Enhanced DR DOS (OpenDOS Enhancement Project) mode\n",
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#endif
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"DR DOS (OpenDOS Enhancement Project) mode\n",
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#ifdef DRSYS
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"\n", /* FreeDOS mode so don't print anything special */
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#endif
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#ifdef WITHOEMCOMPATBS
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"PC-DOS compatibility mode\n",
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"MS-DOS compatibility mode\n",
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#endif
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"Win9x DOS compatibility mode\n",
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#endif
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};
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typedef struct SYSOptions {
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@ -324,7 +364,6 @@ typedef struct SYSOptions {
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BYTE *fnCmd; /* optional override to cmd interpreter filename (src & dest) */
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} SYSOptions;
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void dumpBS(const char *, int);
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void restoreBS(const char *, int);
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void put_boot(SYSOptions *opts);
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@ -336,7 +375,7 @@ void showHelpAndExit(void)
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printf(
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"Usage: \n"
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"%s [source] drive: [bootsect] [{option}]\n"
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" source = A:,B:,C:\\KERNEL\\BIN\\,etc., or current directory if not given\n"
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" source = A:,B:,C:\\DOS\\,etc., or current directory if not given\n"
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" drive = A,B,etc.\n"
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" bootsect = name of 512-byte boot sector file image for drive:\n"
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" to write to *instead* of real boot sector\n"
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@ -345,18 +384,26 @@ void showHelpAndExit(void)
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" /BOOTONLY: do *not* copy kernel / shell, only update boot sector or image\n"
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" /OEM : indicates boot sector, filenames, and load segment to use\n"
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" /OEM:FD use FreeDOS compatible settings\n"
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" /OEM:DR use DR DOS 7+ compatible settings (same as /OEM)\n"
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" /OEM:EDR use Enhanced DR DOS 7+ compatible settings\n"
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" /OEM:DR use DR DOS 7+ compatible settings\n"
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#ifdef WITHOEMCOMPATBS
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" /OEM:PC use PC-DOS compatible settings\n"
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" /OEM:MS use MS-DOS compatible settings\n"
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#endif
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" /OEM:W9x use MS Win9x DOS compatible settings\n"
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" default is /OEM:AUTO, select DOS based on existing files\n"
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" /K name : name of kernel to use in boot sector instead of KERNEL.SYS\n"
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" /L segm : hex load segment to use in boot sector instead of 60\n"
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#endif
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" default is /OEM[:AUTO], select DOS based on existing files\n"
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" /K name : name of kernel to use in boot sector instead of %s\n"
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" /L segm : hex load segment to use in boot sector instead of %02x\n"
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" /B btdrv : hex BIOS # of boot drive set in bs, 0=A:, 80=1st hd,...\n"
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" /FORCEDRV: force use of drive # set in bs instead of BIOS boot value\n"
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"%s CONFIG /help\n", pgm, pgm
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#ifdef FDCONFIG
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"%s CONFIG /help\n"
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#endif
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/*SYS, KERNEL.SYS/DRBIO.SYS 0x60/0x70*/
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, pgm, bootFiles[0].kernel, bootFiles[0].loadseg
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#ifdef FDCONFIG
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, pgm
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#endif
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);
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exit(1);
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}
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@ -406,12 +453,14 @@ void initOptions(int argc, char *argv[], SYSOptions *opts)
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{
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argp += 3;
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if (!*argp)
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opts->flavor = OEM_DR;
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opts->flavor = OEM_AUTO;
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else if (*argp == ':')
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{
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argp++; /* point to DR/PC/MS that follows */
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if (memicmp(argp, "AUTO", 4) == 0)
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opts->flavor = OEM_AUTO;
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else if (memicmp(argp, "EDR", 3) == 0)
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opts->flavor = OEM_EDR;
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else if (memicmp(argp, "DR", 2) == 0)
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opts->flavor = OEM_DR;
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#ifdef WITHOEMCOMPATBS
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@ -419,11 +468,16 @@ void initOptions(int argc, char *argv[], SYSOptions *opts)
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opts->flavor = OEM_PC;
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else if (memicmp(argp, "MS", 2) == 0)
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opts->flavor = OEM_MS;
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#endif
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else if (memicmp(argp, "W9", 2) == 0)
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opts->flavor = OEM_W9x;
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else /* if (memicmp(argp, "FD", 2) == 0) */
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#endif
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else if (memicmp(argp, "FD", 2) == 0)
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opts->flavor = OEM_FD;
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else
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{
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printf("%s: unknown OEM qualifier %s\n", pgm, argp);
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showHelpAndExit();
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}
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}
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else
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{
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@ -607,7 +661,12 @@ void initOptions(int argc, char *argv[], SYSOptions *opts)
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}
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/* if unable to determine DOS, assume FreeDOS */
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if (opts->flavor == OEM_AUTO) opts->flavor = OEM_FD;
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if (opts->flavor == OEM_AUTO) opts->flavor =
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#ifdef DRSYS
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OEM_EDR;
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#else
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OEM_FD;
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#endif
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printf(msgDOS[opts->flavor]);
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@ -681,12 +740,14 @@ int main(int argc, char **argv)
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SYSOptions opts; /* boot options and other flags */
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BYTE srcFile[SYS_MAXPATH]; /* full path+name of [kernel] file [to copy] */
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printf("FreeDOS System Installer " SYS_VERSION ", " __DATE__ "\n");
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printf(SYS_NAME SYS_VERSION ", " __DATE__ "\n");
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#ifdef FDCONFIG
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if (argc > 1 && memicmp(argv[1], "CONFIG", 6) == 0)
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{
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exit(FDKrnConfigMain(argc, argv));
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}
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#endif
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initOptions(argc, argv, &opts);
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@ -1250,8 +1311,12 @@ void put_boot(SYSOptions *opts)
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}
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else
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{
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#ifdef WITHOEMCOMPATBS
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printf("Using OEM (PC/MS-DOS) compatible boot sector.\n");
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memcpy(newboot, (fs == FAT16) ? oemfat16 : oemfat12, SEC_SIZE);
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#else
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printf("Internal Error: no OEM compatible boot sector!\n");
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#endif
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}
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}
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