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This is another LAR update. It changes the way a LinuxBIOS image is

Browse source 
built.
Instead of having a bootblock and a lar archive, the bootblock is now
part of the archive:

$ lar -l build/linuxbios.rom
  normal/initram (93 bytes @0x24)
  normal/payload (32768 bytes @0xb4)
  normal/stage2 (32028 bytes @0x80e4)
  linuxbios.bootblock (16384 bytes @0x3c000)

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>



git-svn-id: svn://coreboot.org/repository/LinuxBIOSv3@240 f3766cd6-281f-0410-b1cd-43a5c92072e9
This commit is contained in:
Stefan Reinauer 2007-03-11 13:55:36 +00:00
commit d44bf71932
7 changed files with 204 additions and 28 deletions
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38
arch/x86/Makefile
View file

@ -27,32 +27,17 @@ INITCFLAGS := $(CFLAGS) -I$(src)/include/cpu/generic/x86 -I$(src)/include \
SILENT := &> /dev/null
#
# Build the final ROM image.
# Build the ROM Image / LAR archive
#
# These are the main LinuxBIOS components. Do not change the order unless you
# know exactly what you are doing.
# LinuxBIOS v3 is completely modular. One module, the bootblock (stage0),
# is mandatory. All modules are packed together in a LAR archive.
# The LAR archive may contain any number of stages, payloads and option ROMs.
#
LINUXBIOS_COMPONENTS := linuxbios.lar linuxbios.vpd stage0.init
ROM_SIZE := $(shell expr $(CONFIG_LINUXBIOS_ROMSIZE_KB) \* 1024 )
$(obj)/linuxbios.rom: $(patsubst %,$(obj)/%,$(LINUXBIOS_COMPONENTS))
$(Q)cat $^ > $@
$(Q)# QEMU wants bios.bin:
$(Q)# Run "qemu -L build/ -nographic -hda /dev/zero".
$(Q)cp $@ $(obj)/bios.bin
#
# Build the LAR archive.
#
# LinuxBIOS v3 is completely modular and based on a very small startup
# code (stage0) plus a LAR archive. The LAR archive may contain any number
# of stages, payloads and option ROMs.
#
LAR_SIZE := $(shell expr \( $(CONFIG_LINUXBIOS_ROMSIZE_KB) - 16 \) \* 1024 )
$(obj)/linuxbios.lar: $(obj)/util/lar/lar lzma $(obj)/linuxbios.initram $(obj)/linuxbios.stage2 payload
$(Q)printf "Building LinuxBIOS archive... \n"
$(obj)/linuxbios.rom: $(obj)/linuxbios.bootblock $(obj)/util/lar/lar lzma $(obj)/linuxbios.initram $(obj)/linuxbios.stage2 payload
$(Q)printf "Building LinuxBIOS image... \n"
$(Q)rm -rf $(obj)/lar.tmp
$(Q)mkdir $(obj)/lar.tmp
$(Q)mkdir $(obj)/lar.tmp/normal
@ -60,7 +45,14 @@ $(obj)/linuxbios.lar: $(obj)/util/lar/lar lzma $(obj)/linuxbios.initram $(obj)/l
$(Q)cp $(obj)/linuxbios.stage2 $(obj)/lar.tmp/normal/stage2
$(Q)cp $(CONFIG_PAYLOAD) $(obj)/lar.tmp/normal/payload
$(Q)printf " "
$(Q)cd $(obj)/lar.tmp && ../util/lar/lar -cv ../linuxbios.lar . -s $(LAR_SIZE)
$(Q)cd $(obj)/lar.tmp && ../util/lar/lar -cv ../linuxbios.rom . \
-s $(ROM_SIZE) -b $(obj)/linuxbios.bootblock
$(Q)# QEMU wants bios.bin:
$(Q)# Run "qemu -L build/ -nographic -hda /dev/zero".
$(Q)cp $@ $(obj)/bios.bin
$(obj)/linuxbios.bootblock: $(obj)/linuxbios.vpd $(obj)/stage0.init
$(Q)cat $^ > $@
#
# LinuxBIOS stage0. This is the LinuxBIOS "boot block code".