82 lines
2.8 KiB
PHP
82 lines
2.8 KiB
PHP
##
|
|
## This file is part of the coreboot project.
|
|
##
|
|
## Copyright (C) 2014 Google Inc
|
|
##
|
|
## 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
##
|
|
|
|
ARCH_SUPPORTED := armv7 x86_32
|
|
|
|
COREBOOT_STANDARD_STAGES := bootblock romstage ramstage
|
|
|
|
ARCHDIR-i386 := x86
|
|
ARCHDIR-x86_32 := x86
|
|
ARCHDIR-armv7 := armv7
|
|
|
|
CFLAGS_armv7 += \
|
|
-ffixed-r8\
|
|
-march=armv7-a\
|
|
-marm\
|
|
-mno-unaligned-access\
|
|
-mthumb\
|
|
-mthumb-interwork
|
|
|
|
toolchain_to_dir = \
|
|
$(foreach arch,$(ARCH_SUPPORTED),\
|
|
$(eval CPPFLAGS_$(arch) += \
|
|
-Isrc/arch/$(ARCHDIR-$(arch))/include))
|
|
|
|
# set_stage_toolchain: Decides the toolchain to be used by every stage
|
|
# E.g.: If bootblock is x86_32, it sets ARCH-BOOTBLOCK-y = x86_32, whereas
|
|
# ARCH-BOOTBLOCK-n = armv7. Then, ARCH-BOOTBLOCK-y can be used anywhere to
|
|
# decide the compiler toolchain for bootblock stage
|
|
# This step is essential for initializing the toolchain for coreboot standard
|
|
# stages i.e. bootblock, romstage and ramstage, since it acts as the second
|
|
# parameter to create_class_compiler below in init_standard_toolchain
|
|
set_stage_toolchain= \
|
|
$(foreach arch,$(ARCH_SUPPORTED),$(eval ARCH-$(1)-$($(shell echo CONFIG_ARCH_$(1)_$(arch) | tr '[:lower:]' '[:upper:]')) := $(arch)))
|
|
|
|
# create_class_compiler: Used to create compiler tool set for
|
|
# special classes
|
|
# @1: special class
|
|
# @2: compiler set to be used
|
|
# e.g.: smm special class uses i386 as compiler set
|
|
define create_class_compiler
|
|
CC_$(1) := $(CC_$(2))
|
|
LD_$(1) := $(LD_$(2))
|
|
NM_$(1) := $(NM_$(2))
|
|
OBJCOPY_$(1) := $(OBJCOPY_$(2))
|
|
OBJDUMP_$(1) := $(OBJDUMP_$(2))
|
|
STRIP_$(1) := $(STRIP_$(2))
|
|
READELF_$(1) := $(READELF_$(2))
|
|
CFLAGS_$(1) = $$(CFLAGS_common) $$(CFLAGS_$(2))
|
|
CPPFLAGS_$(1) = $$(CPPFLAGS_common) $$(CPPFLAGS_$(2))
|
|
LIBGCC_FILE_NAME_$(1) = $(wildcard $(shell $(CC_$(2)) -print-libgcc-file-name))
|
|
endef
|
|
|
|
# initialize standard toolchain (CC,AS and others) for give stage
|
|
# @1 : stage for which the toolchain is to be initialized
|
|
init_standard_toolchain = \
|
|
$(eval $(call set_stage_toolchain,$(1))) \
|
|
$(eval $(call create_class_compiler,$(1),$(ARCH-$(1)-y))) \
|
|
$(eval $(call set_stage_libgcc,$(1)))
|
|
|
|
init_stages = \
|
|
$(foreach stage,$(COREBOOT_STANDARD_STAGES),$(eval $(call init_standard_toolchain,$(stage))))
|
|
|
|
$(eval $(call toolchain_to_dir))
|
|
|
|
$(call init_stages)
|