Files
system76-coreboot/src/arch/x86/Makefile.inc
Stefan Reinauer 4c8fa2aad2 Unconditionally compile romstage with -Wa,--divide
The option --divide is required by our assembler to ensure that
'/' is not parsed as a comment sign but as a division, because
some of the cache as ram code is using divisions.

The --divide parameter has been part of the GNU as since binutils 2.17.
Hence, compile romstage (which contains cache as ram init) with
-Wa,--divide unconditionally instead of probing for it and adding it to
all compiler invocations (because that is causing random trouble with
clang when compiling the SMM code and calling gcc with --divide instead of
-Wa,--divide)

Change-Id: Ideefb2a243dc1d657ba415a99c1f8ab1d93800e0
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/10817
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2015-07-07 17:40:09 +02:00

373 lines
15 KiB
Makefile

################################################################################
##
## 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 ($(CONFIG_ARCH_ROMSTAGE_X86_32)$(CONFIG_ARCH_ROMSTAGE_X86_64),y)
CBFSTOOL_PRE1_OPTS = -m x86 -s $(CONFIG_ROM_SIZE) \
-o $$(( $(CONFIG_ROM_SIZE) - $(CONFIG_CBFS_SIZE) ))
# Make sure that segment for .car.data is ignored while adding romstage.
CBFSTOOL_PRE_OPTS = -b $(shell cat $(objcbfs)/base_xip.txt) -S ".car.data"
endif
###############################################################################
# bootblock
###############################################################################
ifeq ($(CONFIG_ARCH_BOOTBLOCK_X86_32)$(CONFIG_ARCH_BOOTBLOCK_X86_64),y)
bootblock-srcs += $(src)/arch/x86/init/failover.ld
bootblock-srcs += $(src)/cpu/x86/16bit/entry16.ld
bootblock-srcs += $(src)/cpu/x86/16bit/reset16.ld
bootblock-srcs += $(src)/arch/x86/lib/id.ld
ifeq ($(CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE),y)
bootblock-srcs += $(src)/cpu/intel/fit/fit.ld
endif
# TODO: Why can't this use the real bootblock-y += xxx.S mechanism instead?
bootblock_inc = $(src)/arch/x86/init/prologue.inc
bootblock_inc += $(src)/cpu/x86/16bit/entry16.inc
bootblock_inc += $(src)/cpu/x86/16bit/reset16.inc
bootblock_inc += $(src)/cpu/x86/32bit/entry32.inc
bootblock_inc += $(src)/arch/x86/lib/id.inc
ifeq ($(CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE),y)
bootblock_inc += $(src)/cpu/intel/fit/fit.inc
endif
bootblock_inc += $(chipset_bootblock_inc)
ifeq ($(CONFIG_SSE),y)
bootblock_inc += $(src)/cpu/x86/sse_enable.inc
endif
bootblock_inc += $(objgenerated)/bootblock.inc
bootblock_inc += $(src)/arch/x86/lib/walkcbfs.S
bootblock_romccflags := -mcpu=i386 -O2 -D__PRE_RAM__ -D__BOOTBLOCK__
ifeq ($(CONFIG_SSE),y)
bootblock_romccflags := -mcpu=k7 -msse -O2 -D__PRE_RAM__ -D__BOOTBLOCK__
endif
$(objgenerated)/bootblock.ld: $(obj)/config.h $$(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_bootblock) -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"
ifeq ($(CONFIG_ARCH_BOOTBLOCK_X86_32),y)
$(LD_bootblock) -m elf_i386 --oformat elf32-i386 -static -o $@ -L$(obj) $< -T $(objgenerated)/bootblock.ld
else
$(LD_bootblock) -m elf_x86_64 --oformat elf64-x86-64 -static -o $@ -L$(obj) $< -T $(objgenerated)/bootblock.ld
endif
endif # CONFIG_ARCH_BOOTBLOCK_X86_32 / CONFIG_ARCH_BOOTBLOCK_X86_64
###############################################################################
# romstage
###############################################################################
ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32)$(CONFIG_ARCH_ROMSTAGE_X86_64),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 += $(objgenerated)/crt0.S
romstage-libs ?=
ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32),y)
romstage-oformat=elf32-i386
else
romstage-oformat=elf64-x86-64
endif
$(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 --oformat $(romstage-oformat)
$(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 $$(romstage-libs)
@printf " LINK $(subst $(obj)/,,$(@))\n"
$(LD_romstage) --gc-sections -nostdlib -nostartfiles -static -o $@ -L$(obj) $(COMPILER_RT_FLAGS_romstage) --whole-archive --start-group $(filter-out %.ld,$(romstage-objs)) $(romstage-libs) --no-whole-archive $(COMPILER_RT_romstage) --end-group -T $(objgenerated)/romstage.ld --oformat $(romstage-oformat)
$(objgenerated)/romstage_null.ld: $(obj)/config.h $$(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: $$(crt0s)
@printf " GEN $(subst $(obj)/,,$(@))\n"
printf '$(foreach crt0,$(crt0s),#include "$(crt0)"\n)' > $@
# Compiling crt0 with -g seems to trigger https://sourceware.org/bugzilla/show_bug.cgi?id=6428
romstage-S-ccopts += -I. -g0
# Some cache as ram code is doing divisions
romstage-S-ccopts +=-Wa,--divide
endif # CONFIG_ARCH_ROMSTAGE_X86_32 / CONFIG_ARCH_ROMSTAGE_X86_64
###############################################################################
# ramstage
###############################################################################
ifeq ($(CONFIG_ARCH_RAMSTAGE_X86_32)$(CONFIG_ARCH_RAMSTAGE_X86_64),y)
ifeq ($(CONFIG_COMPILE_IN_DSDT),y)
ramstage-srcs += $(obj)/dsdt.aml
ifeq ($(CONFIG_ARCH_RAMSTAGE_X86_32),y)
target-objcopy=-O elf32-i386 -B i386
endif
ifeq ($(CONFIG_ARCH_RAMSTAGE_X86_64),y)
target-objcopy=-O elf64-x86_64 -B x86_64
endif
define ramstage-objs_aml_template
$(call src-to-obj,ramstage,$(1).aml): $(1).aml
@printf " OBJCOPY $$(subst $$(obj)/,,$$(@))\n"
cd $$(dir $$@) && $$(OBJCOPY_ramstage) -I binary $$(target-objcopy) $$(notdir $$<) $$(notdir $$@)
endef
endif
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)
ifeq ($(CONFIG_ARCH_RAMSTAGE_X86_32),y)
$(eval $(call rmodule_link,$(objcbfs)/ramstage.debug, $(objgenerated)/ramstage.o, $(CONFIG_HEAP_SIZE),x86_32))
else
$(eval $(call rmodule_link,$(objcbfs)/ramstage.debug, $(objgenerated)/ramstage.o, $(CONFIG_HEAP_SIZE),x86_64))
endif
# 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"
ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32),y)
$(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
else
$(LD_ramstage) -m elf_x86_64 -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
endif # CONFIG_ARCH_RAMSTAGE_X86_32 / CONFIG_ARCH_RAMSTAGE_X86_64
################################################################################
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="$(AS_x86_32)" IASL="$(IASL)" \
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)
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)