diff options
Diffstat (limited to 'ide.c')
| -rw-r--r-- | ide.c | 7 |
1 files changed, 1 insertions, 6 deletions
@@ -18,10 +18,9 @@ #define IDE_CMD_READ 0x20 #define IDE_CMD_WRITE 0x30 -// IDE request queue. // ide_queue points to the buf now being read/written to the disk. // ide_queue->qnext points to the next buf to be processed. -// Must hold ide_lock while manipulating queue. +// You must hold ide_lock while manipulating queue. static struct spinlock ide_lock; static struct buf *ide_queue; @@ -84,7 +83,6 @@ ide_intr(void) { acquire(&ide_lock); if(ide_queue){ - //cprintf("intr %x\n", ide_queue); if((ide_queue->flags & B_WRITE) == 0) if(ide_wait_ready(1) >= 0) insl(0x1F0, ide_queue->data, 512/4); @@ -105,7 +103,6 @@ ide_start_request (void) { if(ide_queue){ ide_wait_ready(0); - //cprintf("start %x\n", ide_queue); outb(0x3f6, 0); // generate interrupt outb(0x1F2, 1); // number of sectors outb(0x1F3, ide_queue->sector & 0xFF); @@ -139,8 +136,6 @@ ide_rw(struct buf *b) b->done = 0; b->qnext = 0; - // cprintf("enqueue %x %x\n", b, ide_queue); - // append b to ide_queue pp = &ide_queue; while(*pp) |