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Diffstat (limited to 'sys/arch/i386/stand/libsa')
-rw-r--r--sys/arch/i386/stand/libsa/biosdev.c9
-rw-r--r--sys/arch/i386/stand/libsa/biosdev.h4
-rw-r--r--sys/arch/i386/stand/libsa/cmd_i386.c12
3 files changed, 13 insertions, 12 deletions
diff --git a/sys/arch/i386/stand/libsa/biosdev.c b/sys/arch/i386/stand/libsa/biosdev.c
index 37147f8e354..83d8b38c543 100644
--- a/sys/arch/i386/stand/libsa/biosdev.c
+++ b/sys/arch/i386/stand/libsa/biosdev.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: biosdev.c,v 1.30 1997/09/02 23:06:54 mickey Exp $ */
+/* $OpenBSD: biosdev.c,v 1.31 1997/09/03 04:32:43 weingart Exp $ */
/*
* Copyright (c) 1996 Michael Shalayeff
@@ -57,13 +57,14 @@ struct biosdisk {
* of sectors and heads for this device
*
*/
-u_int16_t
+u_int32_t
biosdinfo(int dev)
{
int f, rv;
__asm __volatile (DOINT(0x13) "; setc %b0\n\t"
- /* form a word w/ nhead/nsect packed */
- "movb %%cl, %b1; andb $0x3f, %b1"
+ /* form a word with ntrack/nhead/nsect packed */
+ "shll $16, %1; movw %%cx, %w1"
+ /* "movb %%cl, %b1; andb $0x3f, %b1" */
: "=a" (f), "=d" (rv)
: "0" (0x800), "1" (dev) : "%ecx", "cc");
return (f & 0xff)? 0 : rv;
diff --git a/sys/arch/i386/stand/libsa/biosdev.h b/sys/arch/i386/stand/libsa/biosdev.h
index b0843581915..eca8f947751 100644
--- a/sys/arch/i386/stand/libsa/biosdev.h
+++ b/sys/arch/i386/stand/libsa/biosdev.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: biosdev.h,v 1.19 1997/09/02 22:42:26 weingart Exp $ */
+/* $OpenBSD: biosdev.h,v 1.20 1997/09/03 04:32:43 weingart Exp $ */
/*
* Copyright (c) 1996 Michael Shalayeff
@@ -41,7 +41,7 @@ int biosstrategy __P((void *, int, daddr_t, size_t, void *, size_t *));
int biosopen __P((struct open_file *, ...));
int biosclose __P((struct open_file *));
int biosioctl __P((struct open_file *, u_long, void *));
-u_int16_t biosdinfo(int);
+u_int32_t biosdinfo(int);
/* bioscons.c */
diff --git a/sys/arch/i386/stand/libsa/cmd_i386.c b/sys/arch/i386/stand/libsa/cmd_i386.c
index 1f58de1af58..04f0378d848 100644
--- a/sys/arch/i386/stand/libsa/cmd_i386.c
+++ b/sys/arch/i386/stand/libsa/cmd_i386.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd_i386.c,v 1.4 1997/09/02 23:06:55 mickey Exp $ */
+/* $OpenBSD: cmd_i386.c,v 1.5 1997/09/03 04:32:44 weingart Exp $ */
/*
* Copyright (c) 1997 Michael Shalayeff, Tobias Weingartner
@@ -48,13 +48,13 @@ const struct cmd_table cmd_machine[] = {
static int
Xdiskinfo()
{
- u_int16_t di;
+ u_int32_t di;
int i;
- for(i = 0x80; i < 0x85; i++){
- if (!(di = biosdinfo(i)))
- printf("\tDisk 0x%x => Heads %d, Sectors %d\n",
- i, BIOSNHEADS(di), BIOSNSECTS(di));
+ for(i = 0x80; i < 0x84; i++){
+ if ((di = biosdinfo(i)))
+ printf("\tDisk 0x%x => Tracks %d, Heads %d, Sectors %d\n",
+ i, BIOSNTRACKS(di), BIOSNHEADS(di), BIOSNSECTS(di));
}
return 0;