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The BIOS memory size is only a word. Some BIOSsen have garbage in the other

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16 bits we were reading here, causing loss of arguments.
This commit is contained in:
Mike Smith 1998-10-06 06:13:36 +00:00
parent 58d4e8e80f
commit 024e2ede72
2 changed files with 4 additions and 4 deletions
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4
sys/boot/i386/btx/btxldr/btxldr.S
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@ -13,7 +13,7 @@
# purpose.
#
# $Id:$
# $Id: btxldr.s,v 1.1 1998/09/12 06:30:26 rnordier Exp $
#
# Prototype BTX loader program, written in a couple of hours. The
@ -66,7 +66,7 @@
start: cld # String ops inc
movl $m_logo,%esi # Identify
call putstr # ourselves
movl BDA_MEM,%eax # Get base memory
movw BDA_MEM,%eax # Get base memory
shll $0xa,%eax # in bytes
movl %eax,%ebp # Base of user stack
movl $m_mem,%esi # Display

4
sys/boot/i386/btx/btxldr/btxldr.s
View File

@ -13,7 +13,7 @@
# purpose.
#
# $Id:$
# $Id: btxldr.s,v 1.1 1998/09/12 06:30:26 rnordier Exp $
#
# Prototype BTX loader program, written in a couple of hours. The
@ -66,7 +66,7 @@
start: cld # String ops inc
movl $m_logo,%esi # Identify
call putstr # ourselves
movl BDA_MEM,%eax # Get base memory
movw BDA_MEM,%eax # Get base memory
shll $0xa,%eax # in bytes
movl %eax,%ebp # Base of user stack
movl $m_mem,%esi # Display