blob: f888d68d0a4f9855fc3ab0121809fbeee5af5d13 [file] [log] [blame]
Furquan Shaikh99ac98f2014-04-23 10:18:48 -07001##
2## This file is part of the coreboot project.
3##
4## Copyright (C) 2014 Google Inc
5##
6## This program is free software; you can redistribute it and/or modify
7## it under the terms of the GNU General Public License as published by
8## the Free Software Foundation; version 2 of the License.
9##
10## This program is distributed in the hope that it will be useful,
11## but WITHOUT ANY WARRANTY; without even the implied warranty of
12## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13## GNU General Public License for more details.
14##
15## You should have received a copy of the GNU General Public License
16## along with this program; if not, write to the Free Software
17## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18##
19
Patrick Georgie47477e2014-05-17 18:38:10 +020020# ccache integration
21ifeq ($(CONFIG_CCACHE),y)
22
23CCACHE:=$(word 1,$(wildcard $(addsuffix /ccache,$(subst :, ,$(PATH)))))
24ifeq ($(CCACHE),)
25$(error ccache selected, but not found in PATH)
26endif
27
28export CCACHE_COMPILERCHECK=content
29export CCACHE_BASEDIR=$(top)
30
31$(foreach arch,$(ARCH_SUPPORTED), \
32 $(eval CC_$(arch):=$(CCACHE) $(CC_$(arch))))
33
34HOSTCC:=$(CCACHE) $(HOSTCC)
35HOSTCXX:=$(CCACHE) $(HOSTCXX)
36ROMCC=$(CCACHE) $(ROMCC_BIN)
37endif
Patrick Georgifadbe5f2014-05-17 18:26:38 +020038
39# scan-build integration
40ifneq ($(CCC_ANALYZER_OUTPUT_FORMAT),)
41
42ifeq ($(CCC_ANALYZER_ANALYSIS),)
43export CCC_ANALYZER_ANALYSIS := -analyzer-opt-analyze-headers
44endif
45
46$(foreach arch,$(ARCH_SUPPORTED), \
Patrick Georgie47477e2014-05-17 18:38:10 +020047 $(eval CC_$(arch):=CCC_CC="$(CC_$(arch))" $(CC) ))
Patrick Georgifadbe5f2014-05-17 18:26:38 +020048
49HOSTCC:=CCC_CC="$(HOSTCC)" $(CC)
50HOSTCXX:=CCC_CXX="$(HOSTCXX)" $(CXX)
51ROMCC=CCC_CC="$(ROMCC_BIN)" $(CC)
52endif
53
Stefan Reinauer77b16552015-01-14 19:51:47 +010054COREBOOT_STANDARD_STAGES := bootblock verstage romstage ramstage
Furquan Shaikh99ac98f2014-04-23 10:18:48 -070055
56ARCHDIR-i386 := x86
57ARCHDIR-x86_32 := x86
Gabe Black51edd542013-09-30 23:00:33 -070058ARCHDIR-arm := arm
Furquan Shaikh2af76f42014-04-28 16:39:40 -070059ARCHDIR-arm64 := arm64
Ronald G. Minniche0e784a2014-11-26 19:25:47 +000060ARCHDIR-riscv := riscv
Paul Burton6529c332014-05-27 15:18:42 +010061ARCHDIR-mipsel := mips
Furquan Shaikh99ac98f2014-04-23 10:18:48 -070062
Julius Wernerc5058372013-10-15 17:36:17 -070063CFLAGS_arm := -mno-unaligned-access -ffunction-sections -fdata-sections
Furquan Shaikh99ac98f2014-04-23 10:18:48 -070064
Furquan Shaikh2af76f42014-04-28 16:39:40 -070065CFLAGS_arm64 := -ffunction-sections -fdata-sections
66
Paul Burton6529c332014-05-27 15:18:42 +010067CFLAGS_mipsel := -mips32r2 -G 0
68
Furquan Shaikh99ac98f2014-04-23 10:18:48 -070069toolchain_to_dir = \
70 $(foreach arch,$(ARCH_SUPPORTED),\
Patrick Georgib145b832014-05-17 15:08:47 +020071 $(eval CPPFLAGS_$(arch) += \
Patrick Georgi4ebd3d92014-05-17 14:02:08 +020072 -Isrc/arch/$(ARCHDIR-$(arch))/include))
Furquan Shaikh99ac98f2014-04-23 10:18:48 -070073
74# set_stage_toolchain: Decides the toolchain to be used by every stage
75# E.g.: If bootblock is x86_32, it sets ARCH-BOOTBLOCK-y = x86_32, whereas
76# ARCH-BOOTBLOCK-n = armv7. Then, ARCH-BOOTBLOCK-y can be used anywhere to
77# decide the compiler toolchain for bootblock stage
78# This step is essential for initializing the toolchain for coreboot standard
79# stages i.e. bootblock, romstage and ramstage, since it acts as the second
80# parameter to create_class_compiler below in init_standard_toolchain
81set_stage_toolchain= \
Patrick Georgi4ebd3d92014-05-17 14:02:08 +020082 $(foreach arch,$(ARCH_SUPPORTED),$(eval ARCH-$(1)-$($(shell echo CONFIG_ARCH_$(1)_$(arch) | tr '[:lower:]' '[:upper:]')) := $(arch)))
Furquan Shaikh99ac98f2014-04-23 10:18:48 -070083
84# create_class_compiler: Used to create compiler tool set for
85# special classes
86# @1: special class
87# @2: compiler set to be used
88# e.g.: smm special class uses i386 as compiler set
89define create_class_compiler
Marc Jonesd1f840b2015-01-22 16:18:49 +080090$(if $(2),,$(error building $(1) without the required toolchain))
Furquan Shaikh99ac98f2014-04-23 10:18:48 -070091CC_$(1) := $(CC_$(2))
92LD_$(1) := $(LD_$(2))
93NM_$(1) := $(NM_$(2))
Daisuke Nojiri9b1cb582014-06-19 19:01:34 -070094AR_$(1) := $(AR_$(2))
Furquan Shaikh99ac98f2014-04-23 10:18:48 -070095OBJCOPY_$(1) := $(OBJCOPY_$(2))
96OBJDUMP_$(1) := $(OBJDUMP_$(2))
97STRIP_$(1) := $(STRIP_$(2))
98READELF_$(1) := $(READELF_$(2))
Marc Jonesa38ccfd2014-11-06 15:50:22 -070099CFLAGS_$(1) = $$(CFLAGS_common) $$(CFLAGS_$(2))
100CPPFLAGS_$(1) = $$(CPPFLAGS_common) $$(CPPFLAGS_$(2))
Patrick Georgi95948932014-11-22 17:55:46 +0100101COMPILER_RT_FLAGS_$(1) :=
Patrick Georgi3ce96bd2014-11-22 17:42:58 +0100102ifeq ($(CONFIG_COMPILER_LLVM_CLANG),y)
103COMPILER_RT_$(1) = $(shell $(CC_$(2)) $(CFLAGS_$(2)) -print-librt-file-name 2>/dev/null)
104else
105COMPILER_RT_$(1) = $(wildcard $(shell $(CC_$(2)) $(CFLAGS_$(2)) -print-libgcc-file-name))
Patrick Georgi95948932014-11-22 17:55:46 +0100106ifeq ($(2),x86_32)
107COMPILER_RT_FLAGS_$(1) := --wrap __divdi3 --wrap __udivdi3 --wrap __moddi3 --wrap __umoddi3
108endif
Patrick Georgi3ce96bd2014-11-22 17:42:58 +0100109endif
Furquan Shaikh99ac98f2014-04-23 10:18:48 -0700110endef
111
Furquan Shaikh133096b2014-07-31 09:28:55 -0700112# define_class: Allows defining any program as dynamic class and compiler tool
113# set for the same based on the architecture for which the program is to be
114# compiled
115# @1: program (class name)
116# @2: architecture for which the program needs to be compiled
117# IMP: Ensure that define_class is called before any .c or .S files are added to
118# the class of the program. Check subdirs-y for order of subdirectory inclusions
119define define_class
120classes-y += $(1)
121$(eval $(call create_class_compiler,$(1),$(2)))
122endef
123
Furquan Shaikh99ac98f2014-04-23 10:18:48 -0700124# initialize standard toolchain (CC,AS and others) for give stage
125# @1 : stage for which the toolchain is to be initialized
126init_standard_toolchain = \
Patrick Georgi4ebd3d92014-05-17 14:02:08 +0200127 $(eval $(call set_stage_toolchain,$(1))) \
Patrick Georgi262f31c2014-05-17 15:13:40 +0200128 $(eval $(call create_class_compiler,$(1),$(ARCH-$(1)-y)))
Furquan Shaikh99ac98f2014-04-23 10:18:48 -0700129
130init_stages = \
131 $(foreach stage,$(COREBOOT_STANDARD_STAGES),$(eval $(call init_standard_toolchain,$(stage))))
132
Furquan Shaikh99ac98f2014-04-23 10:18:48 -0700133$(eval $(call toolchain_to_dir))
134
135$(call init_stages)