# $Id$

## @file

# PC BIOS Sub-Makefile.

#

#

# Copyright (C) 2006-2007 innotek GmbH

#

# This file is part of VirtualBox Open Source Edition (OSE), as

# available from http://www.virtualbox.org. This file is free software;

# you can redistribute it and/or modify it under the terms of the GNU

# General Public License (GPL) as published by the Free Software

# Foundation, in version 2 as it comes in the "COPYING" file of the

# VirtualBox OSE distribution. VirtualBox OSE is distributed in the

# hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.

#

DEPTH ?= ../../../../../

SUB_DEPTH = ../..

include $(PATH_KBUILD)/subheader.kmk

VBOX_PATH_DEVICES_SRC = $(PATH_SUB_ROOT)

#

# Build program for calculating the PC BIOS checksums.

#

BLDPROGS += pcbiossums

pcbiossums_TEMPLATE = VBOXBLDPROG

pcbiossums_SOURCES = biossums.c

#

# The library containing the PC BIOS image.

#

LIBRARIES += PcBiosBin

PcBiosBin_TEMPLATE = VBOXR3

PcBiosBin_DEFS = IN_VBOXDD2

PcBiosBin_INCS = $(VBOX_PATH_DEVICES_SRC)

PcBiosBin_SOURCES = $(PATH_TARGET)/PcBiosBin.c

$(PATH_TARGET)/PcBiosBin.c_DEPS = $(PATH_TARGET)/pcbios-syms.h

PcBiosBin_CLEAN = \

$(PATH_TARGET)/_rombios_.c \

$(PATH_TARGET)/rombios0.s \

$(PATH_TARGET)/rombios1.s \

$(PATH_TARGET)/pcbios.lst \

$(PATH_TARGET)/pcbios.tmp \

$(PATH_TARGET)/pcbios.bin \

$(PATH_TARGET)/PcBiosBin.c \

$(PATH_TARGET)/pcbios-syms.h

#

# Rule for making the bios.

#

$(PATH_TARGET)/PcBiosBin.c: $(PATH_TARGET)/pcbios.bin $(VBOX_BIN2C)

$(call MSG_TOOL,bin2c,PcBiosBin,$<,$@)

$(QUIET)$(VBOX_BIN2C) -min 64 -max 256 -mask 0xffff -ascii -export PcBiosBinary $< $@

#

# Six steps to pcbios.bin and pcbios-syms.h

#

# 1. precompile rombios.c

$(PATH_TARGET)/_rombios_.c: $(PATH_SUB_CURRENT)/rombios.c $(PATH_SUB_CURRENT)/logo.c $(PATH_SUB_CURRENT)/apmbios.S \

$(PATH_SUB_CURRENT)/../DevPcBios.h $(PATH_ROOT)/include/VBox/bioslogo.h | $(call DIRDEP,$(TARGET_PATH))

$(call MSG_TOOL,cpp,PcBiosBin,$<,$@)

$(QUIET)$(TOOL_$(VBOX_GCC_TOOL)_CC) -E -I$(PATH_TARGET) -I$(VBOX_PATH_DEVICES_SRC)/PC -I$(PATH_ROOT)/include -I$(PATH_OUT) -DBX_SMP_PROCESSORS=1 -DVBOX -DVBOX_PC_BIOS $(addprefix -D,$(DEFS) $(DEFS.$(BUILD_TYPE))) -P -o $@ $<

# 2. compile to intermediate asm file - tempfile clashes, make sure it's built alone.

.NOTPARALLEL: $(PATH_TARGET)/rombios0.s

$(PATH_TARGET)/rombios0.s: $(PATH_TARGET)/_rombios_.c

$(call MSG_COMPILE,PcBiosBin,$<,$@,C)

$(QUIET)$(VBOX_BCC) -o $@ -C-c -D__i86__ -0 -S $^

# 3. post process intermediate asm file.

$(PATH_TARGET)/rombios1.s: $(PATH_TARGET)/rombios0.s

$(call MSG_TOOL,Adjusting BCC Assembly,PcBiosBin,$<,$@)

$(QUIET)$(SED) -e 's/^\.text//' -e 's/^\.data//' --output $@ $^

# 4. assemble the intermediate asm file. (also creates a listing rombios.lst)

$(PATH_TARGET)/pcbios.tmp $(PATH_TARGET)/pcbios.lst: $(PATH_TARGET)/rombios1.s

$(call MSG_COMPILE,PcBiosBin,$<,$@,AS)

$(QUIET)$(REDIRECT) -ri $^ -- $(VBOX_AS86) -b $(PATH_TARGET)/pcbios.tmp -u- -w- -g -0 -j -O -l $(PATH_TARGET)/pcbios.lst

# 5. calculate checksums for the final BIOS image.

$(PATH_TARGET)/pcbios.bin: $(PATH_TARGET)/pcbios.tmp $$(TARGET_pcbiossums)

$(call MSG_TOOL,pcbiossums,PcBiosBin,$<,$@)

$(QUIET)$(CP) -f $(PATH_TARGET)/pcbios.tmp $(PATH_TARGET)/pcbios.bin

$(QUIET)$(TARGET_pcbiossums) $(PATH_TARGET)/pcbios.bin

# 6. create the symbol table.

$(PATH_TARGET)/pcbios-syms.h: $(PATH_TARGET)/pcbios.lst $(MAKEFILE_CURRENT)

$(call MSG_GENERATE,PcBiosBin,$<,$@)

$(QUIET)$(SED) \

-e '/^[0-9][0-9][0-9][0-9][0-9] 000[0-9A-F]* [[:space:]]*[a-zA-Z0-9_]*:/!d' \

-e 's/^[0-9][0-9][0-9][0-9][0-9] \(000[0-9A-F]*\) [[:space:]]*\([a-zA-Z0-9_]*\):.*$$/ DEFSYM(0x\1, "\2"),/' \

--output $@ \

$(PATH_TARGET)/pcbios.lst

include $(PATH_KBUILD)/subfooter.kmk