OS_Develop/FreeDOS
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* booting from hard disk now always sets the default drive to C:,

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not D: if booting from the second physical hard disk, etc (bug #1062).


git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/trunk@354 6ac86273-5f31-0410-b378-82cca8765d1b
This commit is contained in:
Bart Oldeman 2002-02-17 10:39:35 +00:00
parent b2496a6fbd
commit bbbd0ce42f
3 changed files with 13 additions and 16 deletions
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2
docs/history.txt
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@ -12,6 +12,8 @@
* allow creating, renaming and deleting volume labels using FCBs * allow creating, renaming and deleting volume labels using FCBs
* fix renaming with wildcards using FCBs * fix renaming with wildcards using FCBs
* some dosfns.c and fcbfns.c clean-ups * some dosfns.c and fcbfns.c clean-ups
* booting from hard disk now always sets the default drive to C:,
not D: if booting from the second physical hard disk, etc (bug #1062).
2002 Feb 9 - Build 2026 2002 Feb 9 - Build 2026
-------- Bart Oldeman (bart@dosemu.org) -------- Bart Oldeman (bart@dosemu.org)
+ Changes Tom + Changes Tom

2
kernel/kernel.asm
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@ -174,7 +174,7 @@ cont: ; inititalize api stacks for high water tests
inc bl inc bl
jns floppy jns floppy
add bl,3-1-128 mov bl,3 ; set to C: if hard disk
floppy: mov byte [_BootDrive],bl ; tell where we came from floppy: mov byte [_BootDrive],bl ; tell where we came from
;!! int 11h ;!! int 11h

25
kernel/main.c
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@ -151,26 +151,21 @@ VOID ASMCFUNC FreeDOSmain(void)
*/ */
if (fmemcmp(MK_FP(0x50,0xe0+2),"CONFIG",6) == 0) /* UPX */ if (fmemcmp(MK_FP(0x50,0xe0+2),"CONFIG",6) == 0) /* UPX */
{ {
fmemcpy(&InitKernelConfig, MK_FP(0x50,0xe0+2), sizeof(InitKernelConfig)); fmemcpy(&InitKernelConfig, MK_FP(0x50,0xe0+2), sizeof(InitKernelConfig));
BootDrive = *(BYTE FAR *)MK_FP(0x50,0xe0); BootDrive = *(BYTE FAR *)MK_FP(0x50,0xe0) + 1;
BootDrive ++;
if ((unsigned)BootDrive >= 0x80) if ((unsigned)BootDrive >= 0x80)
BootDrive += 3-1-128; BootDrive = 3; /* C: */
*(DWORD FAR *)MK_FP(0x50,0xe0+2) = 0;
*(DWORD FAR *)MK_FP(0x50,0xe0+2) = 0; }
}
else else
{ {
fmemcpy(&InitKernelConfig, &LowKernelConfig, sizeof(InitKernelConfig));
fmemcpy(&InitKernelConfig, &LowKernelConfig, sizeof(InitKernelConfig)); }
}
setvec(0, int0_handler); /* zero divide */ setvec(0, int0_handler); /* zero divide */
setvec(1, empty_handler); /* single step */ setvec(1, empty_handler); /* single step */
setvec(3, empty_handler); /* debug breakpoint */ setvec(3, empty_handler); /* debug breakpoint */