diff options
| author | rsc <rsc> | 2007-08-14 14:24:09 +0000 |
|---|---|---|
| committer | rsc <rsc> | 2007-08-14 14:24:09 +0000 |
| commit | 29ff8d495c8cd67df6ee3830daea64eaa422756d (patch) | |
| tree | 04d0fb9b1571819eb9e3f114928db3a8558c1fea /ide.c | |
| parent | 8c4b5fc5b33c49f74af3547df9e60012758ab5d3 (diff) | |
| download | xv6-labs-29ff8d495c8cd67df6ee3830daea64eaa422756d.tar.gz xv6-labs-29ff8d495c8cd67df6ee3830daea64eaa422756d.tar.bz2 xv6-labs-29ff8d495c8cd67df6ee3830daea64eaa422756d.zip | |
ide_write unused => gone
Diffstat (limited to 'ide.c')
| -rw-r--r-- | ide.c | 27 |
1 files changed, 0 insertions, 27 deletions
@@ -164,30 +164,3 @@ ide_rw(int diskno, uint secno, void *addr, uint nsecs, int read) 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; -} |