ilo-pona/xv6-65oo2
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8ae0 instead of 8e00, thanks yandong

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This commit is contained in:
Frans Kaashoek 2009-12-01 14:07:12 -05:00
parent 5e710e688e
commit 7d7465a858
4 changed files with 4 additions and 2 deletions
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1
bio.c
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@ -109,6 +109,7 @@ bread(uint dev, uint sector)
void void
bwrite(struct buf *b) bwrite(struct buf *b)
{ {
cprintf("bwrite sector %d\n", b->sector);
if((b->flags & B_BUSY) == 0) if((b->flags & B_BUSY) == 0)
panic("bwrite"); panic("bwrite");
b->flags |= B_DIRTY; b->flags |= B_DIRTY;

2
bootasm.S
View file

@ -75,7 +75,7 @@ start32:
movw $0x8a00, %ax # 0x8a00 -> port 0x8a00 movw $0x8a00, %ax # 0x8a00 -> port 0x8a00
movw %ax, %dx movw %ax, %dx
outw %ax, %dx outw %ax, %dx
movw $0x8e00, %ax # 0x8e00 -> port 0x8a00 movw $0x8ae0, %ax # 0x8ae0 -> port 0x8a00
outw %ax, %dx outw %ax, %dx
spin: spin:
jmp spin jmp spin

2
bootother.S
View file

@ -69,7 +69,7 @@ start32:
movw $0x8a00, %ax # 0x8a00 -> port 0x8a00 movw $0x8a00, %ax # 0x8a00 -> port 0x8a00
movw %ax, %dx movw %ax, %dx
outw %ax, %dx outw %ax, %dx
movw $0x8e00, %ax # 0x8e00 -> port 0x8a00 movw $0x8ae0, %ax # 0x8ae0 -> port 0x8a00
outw %ax, %dx outw %ax, %dx
spin: spin:
jmp spin jmp spin

1
file.c
View file

@ -116,6 +116,7 @@ filewrite(struct file *f, char *addr, int n)
return pipewrite(f->pipe, addr, n); return pipewrite(f->pipe, addr, n);
if(f->type == FD_INODE){ if(f->type == FD_INODE){
ilock(f->ip); ilock(f->ip);
cprintf("filewrite: %d\n", n);
if((r = writei(f->ip, addr, f->off, n)) > 0) if((r = writei(f->ip, addr, f->off, n)) > 0)
f->off += r; f->off += r;
iunlock(f->ip); iunlock(f->ip);