159 lines
5.4 KiB
PHP
159 lines
5.4 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.
|
|
##
|
|
|
|
# ccache integration
|
|
ifeq ($(CONFIG_CCACHE),y)
|
|
|
|
CCACHE:=$(word 1,$(wildcard $(addsuffix /ccache,$(subst :, ,$(PATH)))))
|
|
ifeq ($(CCACHE),)
|
|
$(error ccache selected, but not found in PATH)
|
|
endif
|
|
|
|
export CCACHE_COMPILERCHECK=content
|
|
export CCACHE_BASEDIR=$(top)
|
|
|
|
$(foreach arch,$(ARCH_SUPPORTED), \
|
|
$(eval CC_$(arch):=$(CCACHE) $(CC_$(arch))))
|
|
|
|
HOSTCC:=$(CCACHE) $(HOSTCC)
|
|
HOSTCXX:=$(CCACHE) $(HOSTCXX)
|
|
ROMCC=$(CCACHE) $(ROMCC_BIN)
|
|
endif
|
|
|
|
# scan-build integration
|
|
ifneq ($(CCC_ANALYZER_OUTPUT_FORMAT),)
|
|
|
|
ifeq ($(CCC_ANALYZER_ANALYSIS),)
|
|
export CCC_ANALYZER_ANALYSIS := -analyzer-opt-analyze-headers
|
|
endif
|
|
|
|
$(foreach arch,$(ARCH_SUPPORTED), \
|
|
$(eval CC_$(arch):=CCC_CC="$(CC_$(arch))" $(CC) ))
|
|
|
|
HOSTCC:=CCC_CC="$(HOSTCC)" $(CC)
|
|
HOSTCXX:=CCC_CXX="$(HOSTCXX)" $(CXX)
|
|
ROMCC=CCC_CC="$(ROMCC_BIN)" $(CC)
|
|
endif
|
|
|
|
COREBOOT_STANDARD_STAGES := bootblock libverstage verstage romstage ramstage
|
|
MAP-libverstage := verstage
|
|
|
|
ARCHDIR-i386 := x86
|
|
ARCHDIR-x86_32 := x86
|
|
ARCHDIR-arm := arm
|
|
ARCHDIR-arm64 := arm64
|
|
ARCHDIR-riscv := riscv
|
|
ARCHDIR-mips := mips
|
|
|
|
CFLAGS_arm := -ffunction-sections -fdata-sections
|
|
|
|
CFLAGS_arm64 := -ffunction-sections -fdata-sections
|
|
|
|
CFLAGS_mips := -mips32r2 -G 0 -ffunction-sections -fdata-sections
|
|
CFLAGS_mips += -mno-abicalls -fno-pic
|
|
|
|
CFLAGS_x86_32 += -ffunction-sections -fdata-sections
|
|
CFLAGS_riscv := -ffunction-sections -fdata-sections
|
|
|
|
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
|
|
map_stage = $(strip $(if $(MAP-$(1)),$(MAP-$(1)),$(1)))
|
|
set_stage_toolchain= \
|
|
$(foreach arch,$(ARCH_SUPPORTED),$(eval ARCH-$(1)-$($(shell echo CONFIG_ARCH_$(call map_stage,$(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
|
|
$(if $(2),,$(error building $(1) without the required toolchain))
|
|
CC_$(1) := $(CC_$(2))
|
|
LD_$(1) := $(LD_$(2))
|
|
NM_$(1) := $(NM_$(2))
|
|
AR_$(1) := $(AR_$(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_$(2))
|
|
COMPILER_RT_FLAGS_$(1) :=
|
|
ifeq ($(CONFIG_COMPILER_LLVM_CLANG),y)
|
|
COMPILER_RT_$(1) := $(shell $(CC_$(2)) $(CFLAGS_$(2)) -print-librt-file-name 2>/dev/null)
|
|
else
|
|
COMPILER_RT_$(1) := $(wildcard $(shell $(CC_$(2)) $(CFLAGS_$(2)) -print-libgcc-file-name))
|
|
ifeq ($(2),x86_32)
|
|
COMPILER_RT_FLAGS_$(1) := --wrap __divdi3 --wrap __udivdi3 --wrap __moddi3 --wrap __umoddi3
|
|
endif
|
|
endif
|
|
endef
|
|
|
|
# define_class: Allows defining any program as dynamic class and compiler tool
|
|
# set for the same based on the architecture for which the program is to be
|
|
# compiled
|
|
# @1: program (class name)
|
|
# @2: architecture for which the program needs to be compiled
|
|
# IMP: Ensure that define_class is called before any .c or .S files are added to
|
|
# the class of the program. Check subdirs-y for order of subdirectory inclusions
|
|
define define_class
|
|
classes-y += $(1)
|
|
$(eval $(call create_class_compiler,$(1),$(2)))
|
|
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)))
|
|
|
|
init_stages = \
|
|
$(foreach stage,$(COREBOOT_STANDARD_STAGES),$(eval $(call init_standard_toolchain,$(stage))))
|
|
|
|
$(eval $(call toolchain_to_dir))
|
|
|
|
$(call init_stages)
|
|
|
|
# Test for coreboot toolchain (except when explicitely not requested)
|
|
ifneq ($(NOCOMPILE),1)
|
|
# only run if we're doing a build (not for tests, kconfig, ...), using gcc
|
|
# rationale: gcc versions by Linux distributions tend to be quite messed up
|
|
COMPILERFAIL:=0
|
|
ifeq ($(CONFIG_COMPILER_GCC),y)
|
|
ifneq ($(CONFIG_ANY_TOOLCHAIN),y)
|
|
$(foreach arch,$(sort $(foreach stage,$(COREBOOT_STANDARD_STAGES),$(ARCH-$(stage)-y))), \
|
|
$(if $(shell $(CC_$(arch)) -v 2>&1 |grep -q "gcc version .*coreboot toolchain" || echo not-coreboot), \
|
|
$(eval COMPILERFAIL:=1)$(warning Please use the coreboot toolchain for '$(arch)' (or prove that your toolchain works))))
|
|
endif
|
|
endif
|
|
endif
|
|
ifeq ($(COMPILERFAIL),1)
|
|
$(error consider building our compilers: make crossgcc)
|
|
endif
|