hdreg.h ( File view )

  • By 2010-08-31
  • View(s):24
  • Download(s):2
  • Point(s): 1
			/*
 * This file contains some defines for the AT-hd-controller.
 * Various sources. Check out some definitions (see comments with
 * a ques).
 */
#ifndef _HDREG_H
#define _HDREG_H

/* currently supports only 1 hd, put type here */
#define HARD_DISK_TYPE 17

/*
 * Ok, hard-disk-type is currently hardcoded. Not beatiful,
 * but easier. We don't use BIOS for anything else, why should
 * we get HD-type from it? Get these values from Reference Guide.
 */

#if HARD_DISK_TYPE == 17
#define _CYL	977
#define _HEAD	5
#define __WPCOM	300
#define _LZONE	977
#define _SECT	17
#define _CTL	0
#elif HARD_DISK_TYPE == 18
#define _CYL	977
#define _HEAD	7
#define __WPCOM	(-1)
#define _LZONE	977
#define _SECT	17
#define _CTL	0
#else
#error Define HARD_DISK_TYPE and parameters, add your own entries as well
#endif

/* Controller wants just wp-com/4 */
#if __WPCOM >= 0
#define _WPCOM ((__WPCOM)>>2)
#else
#define _WPCOM __WPCOM
#endif

/* Hd controller regs. Ref: IBM AT Bios-listing */
#define HD_DATA		0x1f0	/* _CTL when writing */
#define HD_ERROR	0x1f1	/* see err-bits */
#define HD_NSECTOR	0x1f2	/* nr of sectors to read/write */
#define HD_SECTOR	0x1f3	/* starting sector */
#define HD_LCYL		0x1f4	/* starting cylinder */
#define HD_HCYL		0x1f5	/* high byte of starting cyl */
#define HD_CURRENT	0x1f6	/* 101dhhhh , d=drive, hhhh=head */
#define HD_STATUS	0x1f7	/* see status-bits */
#define HD_PRECOMP HD_ERROR	/* same io address, read=error, write=precomp */
#define HD_COMMAND HD_STATUS	/* same io address, read=status, write=cmd */

#define HD_CMD		0x3f6

/* Bits of HD_STATUS */
#define ERR_STAT	0x01
#define INDEX_STAT	0x02
#define ECC_STAT	0x04	/* Corrected error */
#define DRQ_STAT	0x08
#define SEEK_STAT	0x10
#define WRERR_STAT	0x20
#define READY_STAT	0x40
#define BUSY_STAT	0x80

/* Values for HD_COMMA
...
...
(Please download the complete source code to view)
			
...
Expand> <Close

Want complete source code? Download it here

Point(s): 1

Download
0 lines left, continue to read
Sponsored links

File list

Tips: You can preview the content of files by clicking file names^_^
Name Size Date
linux0.00 B0%|04-10-07
boot0.00 B04-10-07|15:01
bootsect.s12.49 kB08-01-04|21:38
head.s13.22 kB08-01-04|21:38
setup.s12.42 kB08-01-04|21:38
fs0.00 B04-10-07|15:01
bitmap.c8.46 kB02-09-04|13:12
block_dev.c3.95 kB02-09-04|13:12
buffer.c17.71 kB02-09-04|13:12
char_dev.c4.09 kB02-09-04|13:12
exec.c18.90 kB02-09-04|13:12
fcntl.c3.33 kB02-09-04|13:12
file_dev.c4.82 kB02-09-04|13:12
file_table.c209.00 B02-09-04|13:12
inode.c14.92 kB02-09-04|13:12
ioctl.c1.94 kB02-09-04|13:12
Makefile6.80 kB08-01-04|21:45
namei.c37.20 kB02-09-04|13:12
open.c10.00 kB02-09-04|13:12
pipe.c5.42 kB02-09-04|13:12
read_write.c5.86 kB02-09-04|13:12
stat.c2.69 kB02-09-04|13:12
super.c13.57 kB02-09-04|13:12
truncate.c2.46 kB02-09-04|13:12
include0.00 B04-10-07|15:01
a.out.h8.22 kB02-09-04|13:14
asm0.00 B04-10-07|15:01
io.h772.00 B02-09-04|13:14
memory.h1.03 kB08-01-04|22:13
segment.h2.50 kB02-09-04|13:14
system.h4.08 kB02-09-04|13:14
const.h589.00 B02-09-04|13:14
ctype.h1.68 kB02-09-04|13:14
errno.h2.30 kB02-09-04|13:14
fcntl.h3.30 kB02-09-04|13:14
linux0.00 B04-10-07|15:01
config.h2.16 kB02-09-04|13:14
fs.h9.72 kB02-09-04|13:14
hdreg.h2.94 kB02-09-04|13:14
head.h760.00 B02-09-04|13:14
kernel.h1.44 kB02-09-04|13:14
mm.h473.00 B02-09-04|13:14
sched.h13.25 kB02-09-04|13:14
sys.h5.41 kB02-09-04|13:14
tty.h3.93 kB02-09-04|13:14
signal.h4.01 kB02-09-04|13:14
stdarg.h1.77 kB02-09-04|13:14
stddef.h378.00 B02-09-04|13:14
string.h21.75 kB02-09-04|13:14
sys0.00 B04-10-07|15:01
stat.h2.37 kB02-09-04|13:14
times.h377.00 B02-09-04|13:14
types.h1.10 kB02-09-04|13:14
utsname.h423.00 B02-09-04|13:14
wait.h1.48 kB02-09-04|13:14
termios.h13.58 kB02-09-04|13:14
time.h1.81 kB02-09-04|13:14
unistd.h9.21 kB02-09-04|13:14
utime.h392.00 B02-09-04|13:14
init0.00 B04-10-07|15:01
main.c12.52 kB02-09-04|13:12
kernel0.00 B04-10-07|15:01
asm.s5.10 kB08-01-04|22:48
blk_drv0.00 B04-10-07|15:01
blk.h5.69 kB02-09-04|13:14
floppy.c23.49 kB02-09-04|13:12
hd.c17.14 kB02-09-04|13:12
ll_rw_blk.c7.59 kB02-09-04|13:12
Makefile4.25 kB08-01-04|22:53
ramdisk.c6.13 kB02-09-04|13:12
chr_drv0.00 B04-10-07|15:01
console.c30.91 kB02-09-04|13:12
keyboard.S21.04 kB08-01-04|22:59
Makefile4.81 kB08-01-04|22:59
rs_io.s5.75 kB08-01-04|22:59
serial.c2.91 kB02-09-04|13:12
tty_io.c18.40 kB02-09-04|13:12
tty_ioctl.c10.70 kB02-09-04|13:12
exit.c8.08 kB02-09-04|13:12
fork.c6.78 kB15-07-07|22:10
math0.00 B04-10-07|15:01
Makefile3.21 kB08-01-04|23:01
math_emulate.c2.08 kB02-09-04|13:12
mktime.c2.72 kB02-09-04|13:12
panic.c952.00 B02-09-04|13:12
printk.c1.75 kB02-09-04|13:12
sched.c18.57 kB16-07-07|21:23
signal.c5.61 kB02-09-04|13:12
sys.c7.62 kB02-09-04|13:12
system_call.s12.53 kB08-01-04|22:48
traps.c8.29 kB04-10-07|14:57
vsprintf.c9.96 kB02-09-04|13:12
lib0.00 B04-10-07|15:01
close.c397.00 B02-09-04|13:12
ctype.c1.72 kB02-09-04|13:12
dup.c401.00 B02-09-04|13:12
errno.c66.00 B02-09-04|13:12
execve.c607.00 B02-09-04|13:12
Makefile4.83 kB08-01-04|22:30
malloc.c13.50 kB02-09-04|13:12
open.c1.22 kB02-09-04|13:12
setsid.c382.00 B02-09-04|13:12
string.c199.00 B02-09-04|13:12
wait.c774.00 B02-09-04|13:12
write.c545.00 B02-09-04|13:12
_exit.c616.00 B02-09-04|13:12
Makefile8.58 kB08-01-04|22:21
mm0.00 B04-10-07|15:01
Makefile2.91 kB08-01-04|22:34
memory.c25.10 kB02-09-04|13:12
page.s842.00 B08-01-04|22:34
tools0.00 B04-10-07|15:01
build.c8.12 kB02-09-04|13:12
...
Sponsored links

hdreg.h (286.77 kB)

Need 1 point
Your Point(s)

Your Point isn't enough.

Get point immediately by PayPal

More(Debit card / Credit card / PayPal Credit / Online Banking)

Submit your source codes. Get more point

LOGIN

Don't have an account? Register now
Need any help?
Mail to: support@codeforge.com

切换到中文版?

CodeForge Chinese Version
CodeForge English Version

Where are you going?

^_^"Oops ...

Sorry!This guy is mysterious, its blog hasn't been opened, try another, please!
OK

Warm tip!

CodeForge to FavoriteFavorite by Ctrl+D