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ide_write unused => gone

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rsc 2007-08-14 14:24:09 +00:00
parent 8c4b5fc5b3
commit 29ff8d495c
1 changed files with 0 additions and 27 deletions
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27
ide.c
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@ -164,30 +164,3 @@ ide_rw(int diskno, uint secno, void *addr, uint nsecs, int read)
release(&ide_lock); release(&ide_lock);
} }
// Synchronous disk write.
int
ide_write(int diskno, uint secno, const void *src, uint nsecs)
{
int r;
if(nsecs > 256)
panic("ide_write");
ide_wait_ready(0);
outb(0x1F2, nsecs);
outb(0x1F3, secno & 0xFF);
outb(0x1F4, (secno >> 8) & 0xFF);
outb(0x1F5, (secno >> 16) & 0xFF);
outb(0x1F6, 0xE0 | ((diskno&1)<<4) | ((secno>>24)&0x0F));
outb(0x1F7, 0x30); // CMD 0x30 means write sector
for(; nsecs > 0; nsecs--, src += 512) {
if((r = ide_wait_ready(1)) < 0)
return r;
outsl(0x1F0, src, 512/4);
}
return 0;
}