1 files changed, 0 insertions, 132 deletions
diff --git a/kernel/fs/hd.c b/kernel/fs/hd.c
deleted file mode 100644
index 706d503..0000000
--- a/kernel/fs/hd.c
+++ /dev/null
@@ -1,132 +0,0 @@
-#include <asm/io.h>
-#include <kernel/con.h>
-#include <kernel/kernel.h>
-#include <stdint.h>
-
-#define ST_ERR 1
-#define ST_DRQ 8
-#define ST_SRV 16
-#define ST_DF  32
-#define ST_RDY 64
-#define ST_BSY 128
-
-/* sector buffer */
-static char sbuf[512];
-
-void hd_init(void) {
-  int i;
-  uint8_t s;
-  uint16_t *buf = (uint16_t*) sbuf;
-
-  /* select the master drive */
-  outb(0x1F6, 0xA0);
-  /* send the IDENTIFY command */
-  outb(0x1F7, 0xEC);
-
-  while(1) {
-    s = inb(0x1F7);
-    if(!s) {
-      printk("[hd] Master drive not detected on primary bus!\n");
-      panic();
-    }
-    if(s & ST_ERR) {
-      if(!inb(0x1F4) && !inb(0x1F5))
-        continue;
-      printk("[hd] IDENTIFY command error!\n");
-      panic();
-    }
-    if(s & ST_DRQ && !(s & ST_ERR))
-      break;
-  }
-
-  printk("[hd] Master drive detected on primary bus! (status: 0x%02x)\n", s);
-
-  for(i = 0; i < 256; i++)
-    buf[i] = inw(0x1F0);
-}
-
-int hd_read(void *buf, uint32_t lba, uint8_t c) {
-  int n;
-  uint8_t s;
-  uint16_t *p = buf;
-
-  if(!c)
-    return 0;
-
-  /* select the master disk on the primary bus */
-  outb(0x1F6, 0xE0 | ((lba >> 24) & 0xF));
-  /* set the number of sectors to be read */
-  outb(0x1F2, c);
-  /* set the LBA address for the read operation */
-  outb(0x1F3, lba);
-  outb(0x1F4, lba >> 8);
-  outb(0x1F5, lba >> 16);
-  /* send the READ command */
-  outb(0x1F7, 0x20);
-
-  while(c--) {
-    /* wait for the drive */
-    while(1) {
-      /* poll the drive's status */
-      s = inb(0x1F7);
-      if(s & ST_DF) {
-        printk("[hd] Drive failure!\n");
-        panic();
-      }
-      if(s & ST_ERR)
-        return -1;
-      if(!(s & ST_BSY) && s & ST_DRQ)
-        break;
-    }
-
-    /* buffer is full, copy it's data */
-    n = 256;
-    while(n--)
-      *(p++) = inw(0x1F0);
-  }
-
-  return 0;
-}
-
-int hd_write(void *buf, uint32_t lba, uint8_t c) {
-  int n;
-  uint8_t s;
-  uint16_t *p = buf;
-
-  if(!c)
-    return 0;
-
-  /* select the master disk on the primary bus */
-  outb(0x1F6, 0xE0 | ((lba >> 24) & 0xF));
-  /* set the number of sectors to be written */
-  outb(0x1F2, c);
-  /* set the LBA address for the write operation */
-  outb(0x1F3, lba);
-  outb(0x1F4, lba >> 8);
-  outb(0x1F5, lba >> 16);
-  /* send the WRITE command */
-  outb(0x1F7, 0x30);
-
-  while(c--) {
-    /* wait for the drive */
-    while(1) {
-      /* poll the drive's status */
-      s = inb(0x1F7);
-      if(s & ST_DF) {
-        printk("[hd] Drive failure!\n");
-        panic();
-      }
-      if(s & ST_ERR)
-        return -1;
-      if(!(s & ST_BSY) && s & ST_DRQ)
-        break;
-    }
-
-    /* refill the drive's buffer */
-    n = 256;
-    while(n--)
-      outw(0x1F0, *(p++));
-  }
-
-  return 0;
-}