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| author | Gene Cumm <gene.cumm@gmail.com> | 2011-03-06 17:17:01 -0500 |
|---|---|---|
| committer | Gene Cumm <gene.cumm@gmail.com> | 2011-03-09 21:07:03 -0500 |
| commit | 0b298f8be44c7ee2f532e823a16cba9397ddf551 (patch) | |
| tree | e9268009590c5deb1f2b84c52962b3dd5cdae1ee /diag/mbr | |
| parent | bc7b9f773a6336ec5428df928e9682479efc4622 (diff) | |
| download | syslinux-0b298f8be44c7ee2f532e823a16cba9397ddf551.tar.gz | |
diag/: Add Makefile,README here and mbr/
Diffstat (limited to 'diag/mbr')
| -rw-r--r-- | diag/mbr/Makefile | 45 | ||||
| -rw-r--r-- | diag/mbr/README | 15 |
2 files changed, 60 insertions, 0 deletions
diff --git a/diag/mbr/Makefile b/diag/mbr/Makefile new file mode 100644 index 00000000..b13ed806 --- /dev/null +++ b/diag/mbr/Makefile @@ -0,0 +1,45 @@ +## ----------------------------------------------------------------------- +## +## Copyright 2007-2009 H. Peter Anvin - All Rights Reserved +## Copyright 2009 Intel Corporation; author: H. Peter Anvin +## +## This program is free software; you can redistribute it and/or modify +## it under the terms of the GNU General Public License as published by +## the Free Software Foundation, Inc., 53 Temple Place Ste 330, +## Boston MA 02111-1307, USA; either version 2 of the License, or +## (at your option) any later version; incorporated herein by reference. +## +## ----------------------------------------------------------------------- + +# +# Makefile for MBR +# + +topdir = ../.. +mbrdir = $(topdir)/mbr +include $(topdir)/MCONFIG.embedded + +all: handoff.bin + +%.o: %.S + $(CC) $(MAKEDEPS) $(SFLAGS) -Wa,-a=$*.lst -c -o $@ $< + +.PRECIOUS: %.elf +%.elf: %.o $(mbrdir)/mbr.ld + $(LD) $(LDFLAGS) -T $(mbrdir)/mbr.ld -e _start -o $@ $< + +%.bin: %.elf $(mbrdir)/checksize.pl + $(OBJCOPY) -O binary $< $@ + $(CHMOD) -x $@ + +mbr_bin.c: mbr.bin + +tidy dist: + rm -f *.o *.elf *.lst .*.d + +clean: tidy + +spotless: clean + rm -f *.bin + +-include .*.d diff --git a/diag/mbr/README b/diag/mbr/README new file mode 100644 index 00000000..390f51d0 --- /dev/null +++ b/diag/mbr/README @@ -0,0 +1,15 @@ +Diagnostic MBR/VBR files + +handoff.bin Show the data that the BIOS/MBR hands off to an MBR/VBR. + + + +++ USAGE +++ + +Writing out an MBR is straight forward (it is assumed below that /dev/hda is the target raw device and /dev/hda1 is the target partition): + + dd bs=440 conv=notrunc count=1 if=mbr.bin of=/dev/hda + +Writing a VBR to match Syslinux requires more work as it must have a jump and be offset into the partition: + + echo -en "\0353\0130\0220" |dd conv=notrunc bs=1 count=3 of=/dev/hda1 + dd conv=notrunc bs=2 count=210 seek=45 if=mbr.bin of=/dev/hda1 |