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We already require a new enough version of NASM that the -Ox option is
supported, so just use it.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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Move the MCONFIG files into a mk/ directory and give them more
descriptive names.
This is purely a cosmetic change to make the 'include' directives a
bit more coherent by making it obvious exactly which MCONFIG file
we're including. For example, in com32/lua/src/Makefile we exchange
the line,
include ../../MCONFIG
for the much more comprehensible,
include $(MAKEDIR)/com32.mk
Signed-off-by: Matt Fleming <matt.fleming@linux.intel.com>
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Make mstructs.h includable from a Linux utility.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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Merge the SYSLINUX and EXTLINUX patching code and core code, removing
EXTLINUX as a separate derivative. All the disk-based systems now use
the same code.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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It might be useful to suppress MDISKCHK.COM's classic behaviour
of probing all BIOS drive numbers in search of MEMDISKs. Some BIOSes
might not enjoy being probed.
Reported-by: bylokk
Reported-by: Gert Hulselmans <gerth@zytor.com>
Signed-off-by: Shao Miller <shao.miller@yrdsb.edu.on.ca>
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Although drive 0xFF could yield a false positive as the El Torito
booted-from drive number, some users of GRUB4DOS actually use
this drive number, so we should include it in our scan.
Signed-off-by: Shao Miller <shao.miller@yrdsb.edu.on.ca>
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A developer for GRUB4DOS called tinybit has reported that some
BIOSes crash when the DOS ElTorito.Sys driver scans drive number
0xFF. According to the El Torito specification, drive 0x7F
means "terminate all," so a plausible explanation suggested
by H. Peter Anvin is that the drive 0xFF is a shadow of drive
0x7F, thus contributing to a failure on these BIOSes.
Now we scan from 0x80 through 0xFF, instead.
[ hpa: dropped checkin of eltorito.sys ]
Signed-off-by: Shao Miller <shao.miller@yrdsb.edu.on.ca>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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MDISKCHK.COM now supports three new modes:
mdiskchk.com --mbfts
This mode will scan between free base memory and
0xA00000 looking for MEMDISK mBFTs. For each one
found, its detail will be reported.
mdiskchk.com --safe-hooks
This mode will attempt to walk the chain of INT 13h
"safe hooks". For each MEMDISK "safe hook" found,
its detail will be reported.
mdiskchk.com --batch-output
This mode suppresses the normal detail report and
instead outputs a list of DOS SET commands. This
is useful if one wishes to populate a batch file
and call that batch file to set DOS environment
variables, so that programs have access to those
MEMDISK kernel arguments passed at boot-time.
These command-line options may be combined.
For example, your AUTOEXEC.BAT might go:
@echo off
echo @echo off>setenv.bat
mdiskchk.com -m -s -b>>setenv.bat
call setenv.bat>nul
Signed-off-by: Shao Miller <shao.miller@yrdsb.edu.on.ca>
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Move copybs to dosutil, change the Makefile to deal with UPX being
able to compress (e.g. very small files.)
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Most systems won't have Watcom installed, so don't remove
Watcom-generated binaries even with "make spotless".
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Align some data items (including the jump table) which were misaligned
for no clear reason.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Align the sector buffer.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Move the DOS directory to a subdirectory of the auxdir.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Add the DOS utilities as auxilliary installables
In case someone wants them...
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Fix comment to give a NASM compilation rule, not TASM.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Add $(NASMOPT) to NASM rules, clean up *.lst.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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The sequence ; ... \ is interpreted by NASM as a continuation line of
a comment which thus comments out the next line.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Add eltorito.sys.
Original by Gary Tong and Bart Lagerweij; reconstructed to binary
version 1.4 by Eric Auer; converted to NASM by NoMySo and HPA ;)
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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More complete and consistent structure for dosutil/Makefile.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Update mdiskchk and add a Makefile. Note that since this needs
OpenWatcom to compile, we still check in the binary file (which is
quite small, anyway.)
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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DOS utilities aren't really "samples". Create a dedicated "dosutil"
directory, and move mdiskchk there for now.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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