Module Name: src
Committed By: jakllsch
Date: Sun Feb 20 05:45:48 UTC 2011
Modified Files:
src/sys/arch/i386/stand/lib: biosmemps2.S
Log Message:
%bl is part of %bx, %bx contains the address we requested from the BIOS.
Thus, use %cl instead of %bl for return value storage.
To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 src/sys/arch/i386/stand/lib/biosmemps2.S
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/i386/stand/lib/biosmemps2.S
diff -u src/sys/arch/i386/stand/lib/biosmemps2.S:1.4 src/sys/arch/i386/stand/lib/biosmemps2.S:1.5
--- src/sys/arch/i386/stand/lib/biosmemps2.S:1.4 Sat Nov 21 11:52:57 2009
+++ src/sys/arch/i386/stand/lib/biosmemps2.S Sun Feb 20 05:45:48 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: biosmemps2.S,v 1.4 2009/11/21 11:52:57 dsl Exp $ */
+/* $NetBSD: biosmemps2.S,v 1.5 2011/02/20 05:45:48 jakllsch Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
@@ -56,7 +56,7 @@
# do int15, function 0xc0 call to discover if C7h is supported
movb $0xc0, %ah
int $0x15
- setc %bl
+ setc %cl
jc out # 0xc0 not supported if carry set
# check feature byte 2, bit 4 to see if return memory map is supported
@@ -64,8 +64,8 @@
andb $0x10, %al
jnz getmem # 0xc7 supported
- # set %bl to indicate failure, and exit
- movb $2, %bl
+ # set %cl to indicate failure, and exit
+ movb $2, %cl
jmp out
getmem:
@@ -81,15 +81,14 @@
# actually call int15, function 0xc7 now
movb $0xc7, %ah
int $0x15
- setc %bl # save carry
+ setc %cl # save carry
pop %ds
out:
calll _C_LABEL(real_to_prot)
.code32
- xorl %eax, %eax
- movb %bl, %al # return value in %ax
+ movzbl %cl, %eax # return value in %eax
pop %edi
pop %esi
