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################################################################################
##
## This file is part of the coreboot project.
##
## Copyright (C) 2012 Alexandru Gagniuc <mr.nuke.me@gmail.com>
## Copyright (C) 2009-2010 coresystems GmbH
## Copyright (C) 2009 Ronald G. Minnich
##
## 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; version 2 of the License.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc.
##
###############################################################################
# Take care of subdirectories
###############################################################################
subdirs-y += boot
# subdirs-y += init
subdirs-y += lib
subdirs-y += smp
################################################################################
# i386 specific tools
NVRAMTOOL:=$(objutil)/nvramtool/nvramtool
OPTION_TABLE_H:=
ifeq ($(CONFIG_HAVE_OPTION_TABLE),y)
cbfs-files-y += cmos_layout.bin
cmos_layout.bin-file = $(obj)/cmos_layout.bin
cmos_layout.bin-type = 0x01aa
$(obj)/cmos_layout.bin: $(NVRAMTOOL) $(top)/src/mainboard/$(MAINBOARDDIR)/cmos.layout
@printf " OPTION $(subst $(obj)/,,$(@))\n"
$(NVRAMTOOL) -y $(top)/src/mainboard/$(MAINBOARDDIR)/cmos.layout -L $@
OPTION_TABLE_H:=$(obj)/option_table.h
$(OPTION_TABLE_H): $(NVRAMTOOL) $(top)/src/mainboard/$(MAINBOARDDIR)/cmos.layout
@printf " OPTION $(subst $(obj)/,,$(@))\n"
$(NVRAMTOOL) -y $(top)/src/mainboard/$(MAINBOARDDIR)/cmos.layout -H $@
endif # CONFIG_HAVE_OPTION_TABLE
stripped_vgabios_id = $(call strip_quotes,$(CONFIG_VGA_BIOS_ID))
cbfs-files-$(CONFIG_VGA_BIOS) += pci$(stripped_vgabios_id).rom
pci$(stripped_vgabios_id).rom-file := $(call strip_quotes,$(CONFIG_VGA_BIOS_FILE))
pci$(stripped_vgabios_id).rom-type := optionrom
cbfs-files-$(CONFIG_INTEL_MBI) += mbi.bin
mbi.bin-file := $(call strip_quotes,$(CONFIG_MBI_FILE))
mbi.bin-type := mbi
ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32),y)
CBFSTOOL_PRE1_OPTS = -m x86 -s $(CONFIG_ROM_SIZE) \
-o $$(( $(CONFIG_ROM_SIZE) - $(CONFIG_CBFS_SIZE) ))
# Make sure that segment for .car.data is ignored while adding romstage.
CBFSTOOL_PRE_OPTS = -b $(shell cat $(objcbfs)/base_xip.txt) -S ".car.data"
endif
###############################################################################
# bootblock
###############################################################################
ifeq ($(CONFIG_ARCH_BOOTBLOCK_X86_32),y)
bootblock-srcs += $(src)/arch/x86/init/failover.ld
bootblock-srcs += $(src)/cpu/x86/16bit/entry16.ld
bootblock-srcs += $(src)/cpu/x86/16bit/reset16.ld
bootblock-srcs += $(src)/arch/x86/lib/id.ld
ifeq ($(CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE),y)
bootblock-srcs += $(src)/cpu/intel/fit/fit.ld
endif
# TODO: Why can't this use the real bootblock-y += xxx.S mechanism instead?
bootblock_inc = $(src)/arch/x86/init/prologue.inc
bootblock_inc += $(src)/cpu/x86/16bit/entry16.inc
bootblock_inc += $(src)/cpu/x86/16bit/reset16.inc
bootblock_inc += $(src)/cpu/x86/32bit/entry32.inc
bootblock_inc += $(src)/arch/x86/lib/id.inc
ifeq ($(CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE),y)
bootblock_inc += $(src)/cpu/intel/fit/fit.inc
endif
bootblock_inc += $(chipset_bootblock_inc)
ifeq ($(CONFIG_SSE),y)
bootblock_inc += $(src)/cpu/x86/sse_enable.inc
endif
bootblock_inc += $(objgenerated)/bootblock.inc
bootblock_inc += $(src)/arch/x86/lib/walkcbfs.S
bootblock_romccflags := -mcpu=i386 -O2 -D__PRE_RAM__ -D__BOOTBLOCK__
ifeq ($(CONFIG_SSE),y)
bootblock_romccflags := -mcpu=k7 -msse -O2 -D__PRE_RAM__ -D__BOOTBLOCK__
endif
$(objgenerated)/bootblock.ld: $(obj)/config.h $$(filter %.ld,$$(bootblock-srcs))
@printf " GEN $(subst $(obj)/,,$(@))\n"
printf '$(foreach ldscript,$(^),#include "$(ldscript)"\n)' | $(CC_bootblock) $(PREPROCESS_ONLY) - > $@
$(objgenerated)/bootblock_inc.S: $$(bootblock_inc)
@printf " GEN $(subst $(obj)/,,$(@))\n"
printf '$(foreach crt0,$(bootblock_inc),#include "$(crt0)"\n)' > $@
$(objgenerated)/bootblock.o: $(objgenerated)/bootblock.s
@printf " CC $(subst $(obj)/,,$(@))\n"
$(CC_bootblock) $(CFLAGS_x86_32) -c -o $@ $< > $(basename $@).disasm
$(objgenerated)/bootblock.s: $(objgenerated)/bootblock_inc.S $(obj)/config.h $(obj)/build.h
@printf " CC $(subst $(obj)/,,$(@))\n"
$(CC_bootblock) -MMD -x assembler-with-cpp -E -I$(src)/include -I$(src)/arch/x86/include -I$(obj) -include $(obj)/build.h -include $(obj)/config.h -I. -I$(src) $< -o $@
$(objgenerated)/bootblock.inc: $(src)/arch/x86/init/$(subst ",,$(CONFIG_BOOTBLOCK_SOURCE)) $(objutil)/romcc/romcc $(OPTION_TABLE_H)
@printf " ROMCC $(subst $(obj)/,,$(@))\n"
$(CC_bootblock) $(CPPFLAGS_bootblock) -MM -MT$(objgenerated)/bootblock.inc \
$< > $(objgenerated)/bootblock.inc.d
$(ROMCC) -c -S $(bootblock_romccflags) -I. $(CPPFLAGS_bootblock) $< -o $@
$(objcbfs)/bootblock.debug: $(objgenerated)/bootblock.o $(objgenerated)/bootblock.ld
@printf " LINK $(subst $(obj)/,,$(@))\n"
$(LD_bootblock) -m elf_i386 -static -o $@ -L$(obj) $< -T $(objgenerated)/bootblock.ld
endif # CONFIG_ARCH_BOOTBLOCK_X86_32
###############################################################################
# romstage
###############################################################################
ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32),y)
crt0s = $(src)/arch/x86/init/prologue.inc
romstage-srcs += $(src)/arch/x86/init/romstage.ld
crt0s += $(src)/cpu/x86/32bit/entry32.inc
romstage-srcs += $(src)/cpu/x86/32bit/entry32.ld
crt0s += $(src)/cpu/x86/fpu_enable.inc
ifeq ($(CONFIG_SSE),y)
crt0s += $(src)/cpu/x86/sse_enable.inc
endif
crt0s += $(cpu_incs)
crt0s += $(cpu_incs-y)
crt0s += $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc
ifeq ($(CONFIG_ROMCC),y)
crt0s += $(src)/arch/x86/init/crt0_romcc_epilogue.inc
endif
ifeq ($(CONFIG_ROMCC),y)
ifeq ($(CONFIG_MMX),y)
ifeq ($(CONFIG_SSE),y)
ROMCCFLAGS := -mcpu=p4 -O2 # MMX, SSE
else
ROMCCFLAGS := -mcpu=p2 -O2 # MMX, !SSE
endif
else
ROMCCFLAGS := -mcpu=i386 -O2 # !MMX, !SSE
endif
$(objcbfs)/romstage%.bin: $(objcbfs)/romstage%.elf
@printf " OBJCOPY $(subst $(obj)/,,$(@))\n"
$(OBJCOPY_romstage) -O binary $< $@
$(objcbfs)/romstage%.elf: $(objcbfs)/romstage%.debug
@printf " OBJCOPY $(subst $(obj)/,,$(@))\n"
cp $< $@.tmp
$(OBJCOPY_romstage) --strip-debug $@.tmp
$(OBJCOPY_romstage) --add-gnu-debuglink=$< $@.tmp
mv $@.tmp $@
$(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc: $(src)/mainboard/$(MAINBOARDDIR)/romstage.c $(objutil)/romcc/romcc $(OPTION_TABLE_H) $(obj)/build.h $(obj)/config.h
printf " ROMCC romstage.inc\n"
$(ROMCC) -c -S $(ROMCCFLAGS) -D__ROMSTAGE__ -D__PRE_RAM__ -I. $(CPPFLAGS_romstage) $< -o $@
else
$(obj)/mainboard/$(MAINBOARDDIR)/romstage.pre.inc: $(src)/mainboard/$(MAINBOARDDIR)/romstage.c $(OPTION_TABLE_H) $(obj)/build.h $(obj)/config.h
@printf " CC romstage.inc\n"
$(CC_romstage) $(CPPFLAGS_romstage) $(CFLAGS_romstage) -MMD -D__ROMSTAGE__ -D__PRE_RAM__ -I$(src) -I. -I$(obj) -c -S $< -o $@
$(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc: $(obj)/mainboard/$(MAINBOARDDIR)/romstage.pre.inc
@printf " POST romstage.inc\n"
sed -e 's/\.rodata/.rom.data/g' -e 's/\^\.text/.section .rom.text/g' \
-e 's/\^\.section \.text/.section .rom.text/g' $^ > $@.tmp
mv $@.tmp $@
endif
romstage-srcs += $(objgenerated)/crt0.S
romstage-libs ?=
$(objcbfs)/romstage_null.debug: $$(romstage-objs) $(objgenerated)/romstage_null.ld $$(romstage-libs)
@printf " LINK $(subst $(obj)/,,$(@))\n"
$(LD_romstage) --gc-sections -nostdlib -nostartfiles -static -o $@ -L$(obj) $(COMPILER_RT_FLAGS_romstage) --whole-archive --start-group $(filter-out %.ld,$(romstage-objs)) $(romstage-libs) --no-whole-archive $(COMPILER_RT_romstage) --end-group -T $(objgenerated)/romstage_null.ld
$(OBJCOPY_romstage) --only-section .illegal_globals $(@) $(objcbfs)/romstage_null.offenders && \
$(NM_romstage) $(objcbfs)/romstage_null.offenders | grep -q ""; if [ $$? -eq 0 ]; then \
echo "Forbidden global variables in romstage:"; \
$(NM_romstage) $(objcbfs)/romstage_null.offenders; false; \
else true; fi
$(objcbfs)/romstage.debug: $$(romstage-objs) $(objgenerated)/romstage.ld $$(romstage-libs)
@printf " LINK $(subst $(obj)/,,$(@))\n"
$(LD_romstage) --gc-sections -nostdlib -nostartfiles -static -o $@ -L$(obj) $(COMPILER_RT_FLAGS_romstage) --whole-archive --start-group $(filter-out %.ld,$(romstage-objs)) $(romstage-libs) --no-whole-archive $(COMPILER_RT_romstage) --end-group -T $(objgenerated)/romstage.ld
$(objgenerated)/romstage_null.ld: $(obj)/config.h $$(filter %.ld,$$(romstage-srcs))
@printf " GEN $(subst $(obj)/,,$(@))\n"
rm -f $@
printf "ROMSTAGE_BASE = 0x0;\n" > $@.tmp
printf '$(foreach ldscript,$(^),#include "$(ldscript)"\n)' >> $@.tmp
$(CC_romstage) $(PREPROCESS_ONLY) $@.tmp > $@
$(objgenerated)/romstage.ld: $(objgenerated)/romstage_null.ld $(objcbfs)/base_xip.txt
@printf " GEN $(subst $(obj)/,,$(@))\n"
rm -f $@
sed -e 's/^/ROMSTAGE_BASE = /g' -e 's/$$/;/g' $(objcbfs)/base_xip.txt > $@.tmp
sed -e '/^ROMSTAGE_BASE/d' $(objgenerated)/romstage_null.ld >> $@.tmp
mv $@.tmp $@
$(objcbfs)/base_xip.txt: $(obj)/coreboot.pre1 $(objcbfs)/romstage_null.bin
rm -f $@
$(CBFSTOOL) $(obj)/coreboot.pre1 locate -T -f $(objcbfs)/romstage_null.bin -n $(CONFIG_CBFS_PREFIX)/romstage -P $(CONFIG_XIP_ROM_SIZE) > $@.tmp \
|| { echo "The romstage is larger than XIP size. Please expand the CONFIG_XIP_ROM_SIZE" ; exit 1; }
mv $@.tmp $@
$(objgenerated)/crt0.S: $$(crt0s)
@printf " GEN $(subst $(obj)/,,$(@))\n"
printf '$(foreach crt0,$(crt0s),#include "$(crt0)"\n)' > $@
# Compiling crt0 with -g seems to trigger https://sourceware.org/bugzilla/show_bug.cgi?id=6428
romstage-S-ccopts += -I. -g0
endif # CONFIG_ARCH_ROMSTAGE_X86_32
###############################################################################
# ramstage
###############################################################################
ifeq ($(CONFIG_ARCH_RAMSTAGE_X86_32),y)
ramstage-srcs += $(wildcard src/mainboard/$(MAINBOARDDIR)/mainboard.c)
ifeq ($(CONFIG_GENERATE_MP_TABLE),y)
ifneq ($(wildcard src/mainboard/$(MAINBOARDDIR)/mptable.c),)
ramstage-srcs += src/mainboard/$(MAINBOARDDIR)/mptable.c
endif
endif
ifeq ($(CONFIG_GENERATE_PIRQ_TABLE),y)
ramstage-srcs += src/mainboard/$(MAINBOARDDIR)/irq_tables.c
endif
ifneq ($(wildcard src/mainboard/$(MAINBOARDDIR)/reset.c),)
ramstage-srcs += src/mainboard/$(MAINBOARDDIR)/reset.c
endif
ifeq ($(CONFIG_HAVE_ACPI_TABLES),y)
ramstage-srcs += src/mainboard/$(MAINBOARDDIR)/acpi_tables.c
$(eval $(call asl_template,dsdt))
ifneq ($(wildcard src/mainboard/$(MAINBOARDDIR)/fadt.c),)
ramstage-srcs += src/mainboard/$(MAINBOARDDIR)/fadt.c
endif
endif # CONFIG_GENERATE_ACPI_TABLES
ifeq ($(CONFIG_HAVE_SMI_HANDLER),y)
ifneq ($(wildcard src/mainboard/$(MAINBOARDDIR)/smihandler.c),)
smm-srcs += src/mainboard/$(MAINBOARDDIR)/smihandler.c
endif
endif
ifneq ($(wildcard src/mainboard/$(MAINBOARDDIR)/get_bus_conf.c),)
ramstage-srcs += src/mainboard/$(MAINBOARDDIR)/get_bus_conf.c
endif
ramstage-libs ?=
ifeq ($(CONFIG_RELOCATABLE_RAMSTAGE),y)
$(eval $(call rmodule_link,$(objcbfs)/ramstage.debug, $(objgenerated)/ramstage.o, $(CONFIG_HEAP_SIZE),x86_32))
# The rmodule_link defintion creates an elf file with .rmod extension.
$(objcbfs)/ramstage.elf: $(objcbfs)/ramstage.debug.rmod
cp $< $@
else
ramstage-srcs += $(src)/arch/x86/ramstage.ld
$(objcbfs)/ramstage.debug: $(objgenerated)/ramstage.o $(obj)/arch/x86/ramstage.ramstage.ld
@printf " CC $(subst $(obj)/,,$(@))\n"
$(LD_ramstage) $(CPPFLAGS) --gc-sections -o $@ -L$(obj) $< -T $(obj)/arch/x86/ramstage.ramstage.ld
endif
$(objgenerated)/ramstage.o: $$(ramstage-objs) $(COMPILER_RT_ramstage) $$(ramstage-libs)
@printf " CC $(subst $(obj)/,,$(@))\n"
$(LD_ramstage) -m elf_i386 -r -o $@ $(COMPILER_RT_FLAGS_ramstage) --whole-archive --start-group $(filter-out %.ld,$(ramstage-objs)) $(ramstage-libs) --no-whole-archive $(COMPILER_RT_ramstage) --end-group
endif # CONFIG_ARCH_RAMSTAGE_X86_32
################################################################################
seabios:
$(MAKE) -C payloads/external/SeaBIOS -f Makefile.inc \
HOSTCC="$(HOSTCC)" \
CC=$(word 1,$(CC_x86_32)) CFLAGS="$(patsubst $(word 1,$(CC_x86_32))%,,$(CC_x86_32))" \
LD=$(word 1,$(LD_x86_32)) LDFLAGS="$(patsubst $(word 1,$(LD_x86_32))%,,$(LD_x86_32))" \
OBJDUMP="$(OBJDUMP_x86_32)" \
OBJCOPY="$(OBJCOPY_x86_32)" STRIP="$(STRIP_x86_32)" \
AS="$(AS_x86_32)" \
CONFIG_SEABIOS_MASTER=$(CONFIG_SEABIOS_MASTER) \
CONFIG_SEABIOS_STABLE=$(CONFIG_SEABIOS_STABLE) \
CONFIG_SEABIOS_THREAD_OPTIONROMS=$(CONFIG_SEABIOS_THREAD_OPTIONROMS) \
CONFIG_SEABIOS_VGA_COREBOOT=$(CONFIG_SEABIOS_VGA_COREBOOT) \
CONFIG_CONSOLE_SERIAL=$(CONFIG_CONSOLE_SERIAL) \
CONFIG_TTYS0_BASE=$(CONFIG_TTYS0_BASE) \
CONFIG_SEABIOS_MALLOC_UPPERMEMORY=$(CONFIG_SEABIOS_MALLOC_UPPERMEMORY) \
OUT=$(abspath $(obj)) IASL="$(IASL)"
filo:
$(MAKE) -C payloads/external/FILO -f Makefile.inc \
HOSTCC="$(HOSTCC)" \
CC="$(CC_x86_32)" LD="$(LD_x86_32)" OBJDUMP="$(OBJDUMP_x86_32)" \
OBJCOPY="$(OBJCOPY_x86_32)" STRIP="$(STRIP_x86_32)" \
CONFIG_FILO_MASTER=$(CONFIG_FILO_MASTER) \
CONFIG_FILO_STABLE=$(CONFIG_FILO_STABLE)
grub2:
$(MAKE) -C payloads/external/GRUB2 -f Makefile.inc \
HOSTCC="$(HOSTCC)" \
CC="$(CC_x86_32)" LD="$(LD_x86_32)" OBJDUMP="$(OBJDUMP_x86_32)" \
OBJCOPY="$(OBJCOPY_x86_32)" STRIP="$(STRIP_x86_32)" \
CONFIG_GRUB2_MASTER=$(CONFIG_GRUB2_MASTER)