2 ## This file is part of the coreboot project.
4 ## Copyright (C) 2014 Google Inc
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.
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.
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
21 ifeq ($(CONFIG_CCACHE),y)
23 CCACHE:=$(word 1,$(wildcard $(addsuffix /ccache,$(subst :, ,$(PATH)))))
25 $(error ccache selected, but not found in PATH)
28 export CCACHE_COMPILERCHECK=content
29 export CCACHE_BASEDIR=$(top)
31 $(foreach arch,$(ARCH_SUPPORTED), \
32 $(eval CC_$(arch):=$(CCACHE) $(CC_$(arch))))
34 HOSTCC:=$(CCACHE) $(HOSTCC)
35 HOSTCXX:=$(CCACHE) $(HOSTCXX)
36 ROMCC=$(CCACHE) $(ROMCC_BIN)
39 # scan-build integration
40 ifneq ($(CCC_ANALYZER_OUTPUT_FORMAT),)
42 ifeq ($(CCC_ANALYZER_ANALYSIS),)
43 export CCC_ANALYZER_ANALYSIS := -analyzer-opt-analyze-headers
46 $(foreach arch,$(ARCH_SUPPORTED), \
47 $(eval CC_$(arch):=CCC_CC="$(CC_$(arch))" $(CC) ))
49 HOSTCC:=CCC_CC="$(HOSTCC)" $(CC)
50 HOSTCXX:=CCC_CXX="$(HOSTCXX)" $(CXX)
51 ROMCC=CCC_CC="$(ROMCC_BIN)" $(CC)
54 COREBOOT_STANDARD_STAGES := bootblock romstage ramstage
58 ARCHDIR-armv7 := armv7
64 -mno-unaligned-access\
69 $(foreach arch,$(ARCH_SUPPORTED),\
70 $(eval CPPFLAGS_$(arch) += \
71 -Isrc/arch/$(ARCHDIR-$(arch))/include))
73 # set_stage_toolchain: Decides the toolchain to be used by every stage
74 # E.g.: If bootblock is x86_32, it sets ARCH-BOOTBLOCK-y = x86_32, whereas
75 # ARCH-BOOTBLOCK-n = armv7. Then, ARCH-BOOTBLOCK-y can be used anywhere to
76 # decide the compiler toolchain for bootblock stage
77 # This step is essential for initializing the toolchain for coreboot standard
78 # stages i.e. bootblock, romstage and ramstage, since it acts as the second
79 # parameter to create_class_compiler below in init_standard_toolchain
80 set_stage_toolchain= \
81 $(foreach arch,$(ARCH_SUPPORTED),$(eval ARCH-$(1)-$($(shell echo CONFIG_ARCH_$(1)_$(arch) | tr '[:lower:]' '[:upper:]')) := $(arch)))
83 # create_class_compiler: Used to create compiler tool set for
86 # @2: compiler set to be used
87 # e.g.: smm special class uses i386 as compiler set
88 define create_class_compiler
92 OBJCOPY_$(1) := $(OBJCOPY_$(2))
93 OBJDUMP_$(1) := $(OBJDUMP_$(2))
94 STRIP_$(1) := $(STRIP_$(2))
95 READELF_$(1) := $(READELF_$(2))
96 CFLAGS_$(1) += $$(CFLAGS_common) $$(CFLAGS_$(2))
97 CPPFLAGS_$(1) += $$(CPPFLAGS_common) $$(CPPFLAGS_$(2))
98 LIBGCC_FILE_NAME_$(1) = $(wildcard $(shell $(CC_$(2)) $(CFLAGS_$(2)) -print-libgcc-file-name))
101 # initialize standard toolchain (CC,AS and others) for give stage
102 # @1 : stage for which the toolchain is to be initialized
103 init_standard_toolchain = \
104 $(eval $(call set_stage_toolchain,$(1))) \
105 $(eval $(call create_class_compiler,$(1),$(ARCH-$(1)-y)))
108 $(foreach stage,$(COREBOOT_STANDARD_STAGES),$(eval $(call init_standard_toolchain,$(stage))))
110 $(eval $(call toolchain_to_dir))