################################################################################ ## ## 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. ## ################################################################################ # 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 = cmos_layout $(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 ############################################################################### # common support for early assembly includes ############################################################################### # Chipset specific assembly stubs in the romstage program flow. Certain # boards have more than one assembly stub so collect those and put them # into a single generated file. crt0s = $(cpu_incs-y) $(objgenerated)/assembly.inc: $$(crt0s) @printf " GEN $(subst $(obj)/,,$(@))\n" printf '$(foreach crt0,$(crt0s),#include "$(crt0)"\n)' > $@ define early_x86_assembly_entry_rule # $1 stage name # Add the assembly file that pulls in the rest of the dependencies in # the right order. Make sure the auto generated assembly.inc is a proper # dependency. $(1)-y += assembly_entry.S $(call src-to-obj,$(1),$(dir)/assembly_entry.S): $(objgenerated)/assembly.inc endef define early_x86_stage # $1 stage name # $2 oformat $(1)-y += memlayout.ld # The '.' include path is needed for the generated assembly.inc file. $(1)-S-ccopts += -I. $$(objcbfs)/$(1).debug: $$$$($(1)-libs) $$$$($(1)-objs) @printf " LINK $$(subst $$(obj)/,,$$(@))\n" $$(LD_$(1)) $$(LDFLAGS_$(1)) -o $$@ -L$$(obj) $$(COMPILER_RT_FLAGS_$(1)) --whole-archive --start-group $$(filter-out %.ld,$$($(1)-objs)) $$($(1)-libs) --no-whole-archive $$(COMPILER_RT_$(1)) --end-group -T $(call src-to-obj,$(1),$(dir)/memlayout.ld) --oformat $(2) -LANG=C LC_ALL= $$(OBJCOPY_$(1)) --only-section .illegal_globals $$(@) $$(objcbfs)/$(1)_null.offenders >/dev/null 2>&1 if [ -z "$$$$($$(NM_$(1)) $$(objcbfs)/$(1)_null.offenders 2>&1 | grep 'no symbols')" ];then \ echo "Forbidden global variables in $(1):"; \ $$(NM_$(1)) $$(objcbfs)/$(1)_null.offenders; false; \ fi endef ############################################################################### # bootblock ############################################################################### ifeq ($(CONFIG_ARCH_BOOTBLOCK_X86_32)$(CONFIG_ARCH_BOOTBLOCK_X86_64),y) bootblock-y += boot.c bootblock-y += cpu_common.c bootblock-$(CONFIG_IDT_IN_EVERY_STAGE) += exception.c bootblock-$(CONFIG_IDT_IN_EVERY_STAGE) += idt.S bootblock-y += memcpy.c bootblock-y += memset.c bootblock-$(CONFIG_COLLECT_TIMESTAMPS_TSC) += timestamp.c bootblock-$(CONFIG_X86_TOP4G_BOOTMEDIA_MAP) += mmap_boot.c bootblock-y += id.S $(call src-to-obj,bootblock,$(dir)/id.S): $(obj)/build.h ifeq ($(CONFIG_C_ENVIRONMENT_BOOTBLOCK),y) bootblock-y += bootblock_crt0.S ifeq ($(CONFIG_ARCH_BOOTBLOCK_X86_32),y) $(eval $(call early_x86_stage,bootblock,elf32-i386)) else $(eval $(call early_x86_stage,bootblock,elf64-x86-64)) endif else # !C_ENVIRONMENT_BOOTBLOCK # x86-specific linker flags ifeq ($(CONFIG_ARCH_BOOTBLOCK_X86_32),y) LDFLAGS_bootblock += -m elf_i386 --oformat elf32-i386 else LDFLAGS_bootblock += -m elf_x86_64 --oformat elf64-x86-64 endif # Add the assembly file that pulls in the rest of the dependencies in # the right order. Make sure the auto generated bootblock.inc is a proper # dependency. Make the same true for the linker sript. bootblock-y += bootblock_romcc.S bootblock-y += walkcbfs.S $(call src-to-obj,bootblock,$(dir)/bootblock_romcc.S): $(objgenerated)/bootblock.inc bootblock-y += bootblock.ld $(call src-to-obj,bootblock,$(dir)/bootblock.ld): $(objgenerated)/bootblock.ld bootblock_romccflags := -mcpu=i386 -O2 -D__PRE_RAM__ -D__BOOTBLOCK__ ifeq ($(CONFIG_SSE),y) bootblock_romccflags := -mcpu=k7 -msse -O2 -D__PRE_RAM__ -D__BOOTBLOCK__ endif # This is a hack in case there are no per chipset linker files. $(objgenerated)/empty: build-dirs touch $@ $(objgenerated)/bootblock.ld: $$(filter-out $(call src-to-obj,bootblock,src/arch/x86/bootblock.ld), $$(filter %.ld,$$(bootblock-objs))) $(objgenerated)/empty @printf " GEN $(subst $(obj)/,,$(@))\n" cat $^ >> $@.tmp mv $@.tmp $@ $(objgenerated)/bootblock.inc: $(src)/arch/x86/$(subst ",,$(CONFIG_BOOTBLOCK_SOURCE)) $(objutil)/romcc/romcc $(OPTION_TABLE_H) $(KCONFIG_AUTOHEADER) # The open quote in the subst messes with syntax highlighting. Fix it - ") @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 $@ # bootblock.ld is part of $(bootblock-objs) $(objcbfs)/bootblock.debug: $$(bootblock-objs) @printf " LINK $(subst $(obj)/,,$(@))\n" $(LD_bootblock) $(LDFLAGS_bootblock) -o $@ -L$(obj) \ $(filter-out %.ld,$(bootblock-objs)) \ -T $(call src-to-obj,bootblock,src/arch/x86/bootblock.ld) endif # C_ENVIRONMENT_BOOTBLOCK endif # CONFIG_ARCH_BOOTBLOCK_X86_32 / CONFIG_ARCH_BOOTBLOCK_X86_64 ############################################################################### # verstage ############################################################################### ifeq ($(CONFIG_ARCH_VERSTAGE_X86_32)$(CONFIG_ARCH_VERSTAGE_X86_64),y) verstage-y += boot.c verstage-$(CONFIG_VBOOT_SEPARATE_VERSTAGE) += gdt_init.S verstage-$(CONFIG_IDT_IN_EVERY_STAGE) += exception.c verstage-$(CONFIG_IDT_IN_EVERY_STAGE) += idt.S verstage-$(CONFIG_ARCH_RAMSTAGE_X86_32) += cpu_common.c verstage-y += memset.c verstage-y += memcpy.c verstage-y += memmove.c verstage-$(CONFIG_X86_TOP4G_BOOTMEDIA_MAP) += mmap_boot.c # If C environment is used for bootblock it means there's no need # for a chipset-specific car_stage_entry() so use the generic one # which just calls verstage(). verstage-$(CONFIG_C_ENVIRONMENT_BOOTBLOCK) += verstage.c verstage-$(CONFIG_COLLECT_TIMESTAMPS_TSC) += timestamp.c verstage-libs ?= $(eval $(call early_x86_assembly_entry_rule,verstage)) ifeq ($(CONFIG_ARCH_VERSTAGE_X86_32),y) $(eval $(call early_x86_stage,verstage,elf32-i386)) else $(eval $(call early_x86_stage,verstage,elf64-x86-64)) endif endif # CONFIG_ARCH_VERSTAGE_X86_32 / CONFIG_ARCH_VERSTAGE_X86_64 ############################################################################### # romstage ############################################################################### ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32)$(CONFIG_ARCH_ROMSTAGE_X86_64),y) romstage-$(CONFIG_HAVE_ACPI_RESUME) += acpi_s3.c romstage-y += boot.c # gdt_init.S is included by entry32.inc when romstage is the first C # environment. romstage-$(CONFIG_C_ENVIRONMENT_BOOTBLOCK) += gdt_init.S romstage-y += cbmem.c romstage-y += cbfs_and_run.c romstage-$(CONFIG_ARCH_RAMSTAGE_X86_32) += cpu_common.c romstage-$(CONFIG_EARLY_EBDA_INIT) += ebda.c romstage-$(CONFIG_IDT_IN_EVERY_STAGE) += exception.c romstage-$(CONFIG_IDT_IN_EVERY_STAGE) += idt.S romstage-y += memcpy.c romstage-y += memmove.c romstage-y += memset.c romstage-$(CONFIG_X86_TOP4G_BOOTMEDIA_MAP) += mmap_boot.c romstage-y += postcar_loader.c romstage-$(CONFIG_COLLECT_TIMESTAMPS_TSC) += timestamp.c romstage-srcs += $(src)/mainboard/$(MAINBOARDDIR)/romstage.c romstage-libs ?= $(eval $(call early_x86_assembly_entry_rule,romstage)) ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32),y) $(eval $(call early_x86_stage,romstage,elf32-i386)) else $(eval $(call early_x86_stage,romstage,elf64-x86-64)) endif # Compiling crt0 with -g seems to trigger https://sourceware.org/bugzilla/show_bug.cgi?id=6428 romstage-S-ccopts += -g0 endif # CONFIG_ARCH_ROMSTAGE_X86_32 / CONFIG_ARCH_ROMSTAGE_X86_64 ############################################################################### # postcar ############################################################################### $(eval $(call create_class_compiler,postcar,x86_32)) postcar-generic-ccopts += -D__POSTCAR__ postcar-$(CONFIG_HAVE_ACPI_RESUME) += acpi_s3.c postcar-y += boot.c postcar-y += gdt_init.S postcar-y += cbfs_and_run.c postcar-y += cbmem.c postcar-y += cpu_common.c postcar-$(CONFIG_EARLY_EBDA_INIT) += ebda.c postcar-$(CONFIG_IDT_IN_EVERY_STAGE) += exception.c postcar-$(CONFIG_IDT_IN_EVERY_STAGE) += idt.S postcar-y += exit_car.S postcar-y += memcpy.c postcar-y += memmove.c postcar-y += memset.c postcar-y += memlayout.ld postcar-$(CONFIG_X86_TOP4G_BOOTMEDIA_MAP) += mmap_boot.c postcar-y += postcar.c postcar-$(CONFIG_COLLECT_TIMESTAMPS_TSC) += timestamp.c LDFLAGS_postcar += -Map $(objcbfs)/postcar.map $(objcbfs)/postcar.debug: $$(postcar-objs) @printf " LINK $(subst $(obj)/,,$(@))\n" $(LD_postcar) $(LDFLAGS_postcar) -o $@ -L$(obj) $(COMPILER_RT_FLAGS_postcar) --whole-archive --start-group $(filter-out %.ld,$^) --no-whole-archive $(COMPILER_RT_postcar) --end-group -T $(call src-to-obj,postcar,src/arch/x86/memlayout.ld) $(objcbfs)/postcar.elf: $(objcbfs)/postcar.debug.rmod cp $< $@ # Add postcar to CBFS cbfs-files-$(CONFIG_POSTCAR_STAGE) += $(CONFIG_CBFS_PREFIX)/postcar $(CONFIG_CBFS_PREFIX)/postcar-file := $(objcbfs)/postcar.elf $(CONFIG_CBFS_PREFIX)/postcar-type := stage $(CONFIG_CBFS_PREFIX)/postcar-compression := none ############################################################################### # ramstage ############################################################################### ifeq ($(CONFIG_ARCH_RAMSTAGE_X86_32)$(CONFIG_ARCH_RAMSTAGE_X86_64),y) ramstage-$(CONFIG_HAVE_ACPI_TABLES) += acpi.c ramstage-$(CONFIG_HAVE_ACPI_TABLES) += acpigen.c ramstage-$(CONFIG_HAVE_ACPI_TABLES) += acpigen_dsm.c ramstage-$(CONFIG_HAVE_ACPI_TABLES) += acpi_device.c ramstage-$(CONFIG_HAVE_ACPI_TABLES) += acpi_pld.c ramstage-$(CONFIG_HAVE_ACPI_RESUME) += acpi_s3.c ramstage-y += boot.c ramstage-y += c_start.S ramstage-y += cbmem.c ramstage-y += cpu.c ramstage-y += cpu_common.c ramstage-y += ebda.c ramstage-y += exception.c ramstage-y += idt.S ramstage-y += gdt.c ramstage-$(CONFIG_IOAPIC) += ioapic.c ramstage-y += memcpy.c ramstage-y += memlayout.ld ramstage-y += memmove.c ramstage-y += memset.c ramstage-$(CONFIG_X86_TOP4G_BOOTMEDIA_MAP) += mmap_boot.c ramstage-$(CONFIG_GENERATE_MP_TABLE) += mpspec.c ramstage-y += pci_ops_conf1.c ramstage-$(CONFIG_NO_MMCONF_SUPPORT) += pci_ops.c ramstage-$(CONFIG_GENERATE_PIRQ_TABLE) += pirq_routing.c ramstage-y += rdrand.c ramstage-$(CONFIG_GENERATE_SMBIOS_TABLES) += smbios.c ramstage-y += tables.c ramstage-$(CONFIG_COOP_MULTITASKING) += thread.c ramstage-$(CONFIG_COOP_MULTITASKING) += thread_switch.S ramstage-$(CONFIG_COLLECT_TIMESTAMPS_TSC) += timestamp.c ramstage-$(CONFIG_HAVE_ACPI_RESUME) += wakeup.S smm-$(CONFIG_IDT_IN_EVERY_STAGE) += exception.c smm-$(CONFIG_IDT_IN_EVERY_STAGE) += idt.S smm-y += memcpy.c smm-y += memmove.c smm-y += memset.c smm-$(CONFIG_X86_TOP4G_BOOTMEDIA_MAP) += mmap_boot.c ifeq ($(CONFIG_ARCH_RAMSTAGE_X86_32),y) rmodules_x86_32-y += memcpy.c rmodules_x86_32-y += memmove.c rmodules_x86_32-y += memset.c else rmodules_x86_64-y += memcpy.c rmodules_x86_64-y += memmove.c rmodules_x86_64-y += memset.c endif ifeq ($(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 i386:x86-64 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) # The rmodule_link defintion creates an elf file with .rmod extension. $(objcbfs)/ramstage.elf: $(objcbfs)/ramstage.debug.rmod cp $< $@ endif $(objcbfs)/ramstage.debug: $(objgenerated)/ramstage.o $(call src-to-obj,ramstage,src/arch/x86/memlayout.ld) @printf " CC $(subst $(obj)/,,$(@))\n" $(LD_ramstage) $(CPPFLAGS) $(LDFLAGS_ramstage) -o $@ -L$(obj) $< -T $(call src-to-obj,ramstage,src/arch/x86/memlayout.ld) $(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