OS_Develop/FreeDOS
OS_Develop/FreeDOS
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

sys: more bootloader / OS compatibility work

Browse Source
This commit is contained in:
Bernd Wilhelm Böckmann 2024-05-19 19:09:33 +02:00 committed by Kenneth J Davis
parent cc4ad94f0a
commit 7ce25f0ac4
1 changed files with 16 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
sys/sys.c
View File

@ -430,6 +430,7 @@ DOSBootFiles bootFiles[] = {
/* DR-DOS */ { "EDRDOS.COM", NULL, 0x60, 1, 0 },
/* OSS MS-DOS */ { "LMSPACK.SYS", NULL, 0x60, 1, 0 },
/* OSS MS-DOS */ { "LMSDOS.COM", NULL, 0x60, 1, 0 },
/* DR-DOS7*/ { "IBMBIO.COM", "IBMDOS.COM", /*0x70:*/0x70, 1, 1 },
#ifdef WITHOEMCOMPATBS
/* OEM boot sector always loads to segment 0x70 */
/* DR-DOS5+*/ { "IBMBIO.COM", "IBMDOS.COM", /*0x70:*/0x0, 0, 1 },
@ -449,8 +450,8 @@ DOSBootFiles bootFiles[] = {
#define OEM_LEDR 3 /* lDOS iniload version of EDR kernel */
#define OEM_LMSPACK 4 /* lDOS drload version of MS-DOS kernel */
#define OEM_LMS 5 /* lDOS iniload version of MS-DOS kernel */
#define OEM_OPENDOS 6 /* old IBMBIO, IBMDOS compatible DR-DOS versions */
#ifdef WITHOEMCOMPATBS
#define OEM_DR 6 /* old IBMBIO, IBMDOS compatible DR-DOS versions */
#define OEM_PC 7 /* use PC-DOS compatible boot sector and names */
#define OEM_MS 8 /* use PC-DOS compatible BS with MS names */
#define OEM_W9x 9 /* use PC-DOS compatible BS with MS names */
@ -464,12 +465,12 @@ CONST char * msgDOS[DOSFLAVORS] = { /* order should match above items */
"Enhanced DR-DOS mode (EDRDOS.COM, lDOS iniload)\n",
"OSS MS-DOS mode (LMSPACK.SYS, lDOS drload)\n",
"OSS MS-DOS mode (LMSDOS.COM, lDOS iniload)\n",
"Caldera OpenDOS, DR-DOS 7.01+, Enhanced DR-DOS <7.01.07 mode\n",
#ifdef WITHOEMCOMPATBS
"DR-DOS 5+ mode\n",
"PC-DOS compatibility mode\n",
"MS-DOS compatibility mode\n",
"Win9x DOS compatibility mode\n",
"RxDOS compatibility mode\n",
"PC-DOS <= 6.3, DR DOS 5 - Novell DOS 7 mode\n",
"MS-DOS mode\n",
"Win9x DOS mode\n",
"RxDOS mode\n",
#endif
};
@ -512,16 +513,16 @@ void showHelpAndExit(void)
" /UPDATE : copy kernel and update boot sector (do *not* copy shell)\n"
" /OEM : indicates boot sector, filenames, and load segment to use\n"
" /OEM:FD FreeDOS settings\n"
" /OEM:EDR Enhanced DR DOS (DRBIO.SYS and DRDOS.SYS)\n"
" /OEM:LEDRPACK Enhanced DR DOS (EDRPACK.SYS, lDOS drload)\n"
" /OEM:LEDR Enhanced DR DOS (EDRDOS.COM, lDOS iniload)\n"
" /OEM:EDR Enhanced DR-DOS (DRBIO.SYS and DRDOS.SYS)\n"
" /OEM:LEDRPACK Enhanced DR-DOS (EDRPACK.SYS, lDOS drload)\n"
" /OEM:LEDR Enhanced DR-DOS (EDRDOS.COM, lDOS iniload)\n"
" /OEM:LMSPACK OSS MS-DOS (LMSPACK.SYS, lDOS drload)\n"
" /OEM:LMS OSS MS-DOS (LMSDOS.COM, lDOS iniload)\n"
" /OEM:OPENDOS Caldera OpenDOS 7.01\n"
#ifdef WITHOEMCOMPATBS
" /OEM:DR use DR DOS 5+ settings\n"
" /OEM:PC use PC-DOS compatible settings\n"
" /OEM:MS use MS-DOS compatible settings\n"
" /OEM:W9x use MS Win9x DOS compatible settings\n"
" /OEM:PC PC-DOS <= 6.3, DR DOS 5 - Novell DOS 7\n"
" /OEM:MS MS-DOS\n"
" /OEM:W9x MS Win9x DOS\n"
#endif
" default is /OEM[:AUTO], select DOS based on existing files\n"
" /K name : name of kernel to use in boot sector instead of %s\n"
@ -617,9 +618,9 @@ void initOptions(int argc, char *argv[], SYSOptions *opts)
opts->flavor = OEM_LMSPACK;
else if (memicmp(argp, "LMS", 3) == 0)
opts->flavor = OEM_LMS;
else if (memicmp(argp, "OPENDOS", 7) == 0)
opts->flavor = OEM_OPENDOS;
#ifdef WITHOEMCOMPATBS
else if (memicmp(argp, "DR", 2) == 0)
opts->flavor = OEM_DR;
else if (memicmp(argp, "PC", 2) == 0)
opts->flavor = OEM_PC;
else if (memicmp(argp, "MS", 2) == 0)