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Make the tgz archive offset in floppy image settable. Set it to 270k for now, until zbeos gets some diet.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28657 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
François Revol 2008-11-15 03:30:00 +00:00
parent e02ed691ca
commit 1c532eedf1
3 changed files with 10 additions and 2 deletions
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7
build/jam/BuildSetup
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@ -216,16 +216,22 @@ switch $(HAIKU_CPU) {
{
HAIKU_DEFINES += __POWERPC__ ;
HAIKU_BOOT_PLATFORM = openfirmware ;
# offset in floppy image (>= sizeof(zbeos))
HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 192 ; # in kB - unused yet
}
case x86 :
{
HAIKU_DEFINES += __INTEL__ ;
HAIKU_BOOT_PLATFORM = bios_ia32 ;
# offset in floppy image (>= sizeof(zbeos))
HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 270 ; # in kB
}
case m68k :
{
HAIKU_DEFINES += __M68K__ ;
HAIKU_BOOT_PLATFORM = atari_m68k ;
# offset in floppy image (>= sizeof(zbeos))
HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET = 130 ; # in kB
}
case * :
Exit "Currently unsupported target CPU:" $(HAIKU_CPU) ;
@ -233,6 +239,7 @@ switch $(HAIKU_CPU) {
HAIKU_ARCH ?= $(HAIKU_CPU) ;
HAIKU_ARCH_MACRO_DEFINE = ARCH_$(HAIKU_ARCH) ;
HAIKU_DEFINES += $(HAIKU_ARCH_MACRO_DEFINE) ;
HAIKU_DEFINES += BOOT_ARCHIVE_IMAGE_OFFSET=$(HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET) ;
# directories
HAIKU_OBJECT_BASE_DIR = [ FDirName $(HAIKU_OBJECT_DIR) haiku ] ;

3
build/jam/ImageRules
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@ -1047,6 +1047,7 @@ rule BuildFloppyBootImage image : zbeos : archive
Depends $(image) : $(zbeos) ;
Depends $(image) : $(archive) ;
#MakeLocateDebug $(image) ;
ARCHIVE_IMAGE_OFFSET on $(image) = $(HAIKU_BOOT_ARCHIVE_IMAGE_OFFSET) ;
BuildFloppyBootImage1 $(image) : $(zbeos) $(archive) ;
}
@ -1060,7 +1061,7 @@ actions BuildFloppyBootImage1
# add the boot drivers tgz archive
# keep the offset in sync with
# src/system/boot/loader/file_systems/tarfs/tarfs.cpp:kFloppyArchiveOffset
dd if=$(>[2]) of=$(<) bs=192k seek=1 conv=notrunc
dd if=$(>[2]) of=$(<) bs=$(ARCHIVE_IMAGE_OFFSET)k seek=1 conv=notrunc
}

2
src/system/boot/platform/bios_ia32/shell.S
View File

@ -37,7 +37,7 @@ sNumSectors:
// written by the "makeflop" command in 512 byte blocks
// 0x180 is the allowed maximum, as the zipped TAR with the
// kernel and the boot module might start at offset 192 kB
.word 0x0180
.word BOOT_ARCHIVE_IMAGE_OFFSET*2
floppy_start:
cli