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Add an option to make it easy to default to the hd1 mode

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also save a few bytes
This commit is contained in:
Julian Elischer 1995-04-20 23:05:23 +00:00
parent 9d55f6fd25
commit c9755763d9
1 changed files with 17 additions and 10 deletions
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27
sys/i386/boot/biosboot/boot.c
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@ -24,7 +24,7 @@
* the rights to redistribute these changes.
*
* from: Mach, [92/04/03 16:51:14 rvb]
* $Id: boot.c,v 1.37 1995/04/20 06:08:27 phk Exp $
* $Id: boot.c,v 1.38 1995/04/20 18:36:14 phk Exp $
*/
@ -94,25 +94,32 @@ boot(int drive)
bootinfo.bi_extmem = memsize(1);
bootinfo.bi_memsizes_valid = 1;
printf("\n>> FreeBSD BOOT @ 0x%x: %d/%d k of memory\n"
"Use hd(1,a)/kernel to boot sd0 when wd0 is also installed.\n"
"Usage: [[%s(%d,a)]%s][-abcCdhrsv]\n"
"Use ? for file list or press Enter for defaults\n\n",
ouraddr, bootinfo.bi_basemem, bootinfo.bi_extmem,
devs[drive & 0x80 ? 0 : 2], drive & 0x7f, name);
gateA20();
loadstart:
/***************************************************************\
* As a default set it to the first partition of the boot *
* floppy or hard drive *
* Define BOOT_HT to boot sd0 when wd0 is also installed *
\***************************************************************/
part = 0;
unit = drive & 0x7f;
#ifdef BOOT_HD
maj = (drive&0x80 ? 0 : 1); /* a good first bet */
#else
maj = (drive&0x80 ? 0 : 2); /* a good first bet */
#endif
loadstart:
/* print this all each time.. (saves space to do so) */
/* If we have looped, use the previous entries as defaults */
printf("\n>> FreeBSD BOOT @ 0x%x: %d/%d k of memory\n"
"Use hd(1,a)/kernel to boot sd0 when wd0 is also installed.\n"
"Usage: [[%s(%d,a)]%s][-abcCdhrsv]\n"
"Use ? for file list or press Enter for defaults\n\nBoot: ",
ouraddr, bootinfo.bi_basemem, bootinfo.bi_extmem,
devs[maj], unit, name);
printf("Boot: ");
/*
* Be paranoid and make doubly sure that the input
* buffer is empty.