blob: c3aa3e50fa7ddecc5b0e09dc344e7bd7bdacad84 [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##
Furquan Shaikh99ac98f2014-04-23 10:18:48 -070015
Patrick Georgie47477e2014-05-17 18:38:10 +020016# ccache integration
17ifeq ($(CONFIG_CCACHE),y)
18
19CCACHE:=$(word 1,$(wildcard $(addsuffix /ccache,$(subst :, ,$(PATH)))))
20ifeq ($(CCACHE),)
21$(error ccache selected, but not found in PATH)
22endif
23
24export CCACHE_COMPILERCHECK=content
25export CCACHE_BASEDIR=$(top)
26
27$(foreach arch,$(ARCH_SUPPORTED), \
28 $(eval CC_$(arch):=$(CCACHE) $(CC_$(arch))))
29
30HOSTCC:=$(CCACHE) $(HOSTCC)
31HOSTCXX:=$(CCACHE) $(HOSTCXX)
32ROMCC=$(CCACHE) $(ROMCC_BIN)
33endif
Patrick Georgifadbe5f2014-05-17 18:26:38 +020034
35# scan-build integration
36ifneq ($(CCC_ANALYZER_OUTPUT_FORMAT),)
37
38ifeq ($(CCC_ANALYZER_ANALYSIS),)
39export CCC_ANALYZER_ANALYSIS := -analyzer-opt-analyze-headers
40endif
41
42$(foreach arch,$(ARCH_SUPPORTED), \
Patrick Georgie47477e2014-05-17 18:38:10 +020043 $(eval CC_$(arch):=CCC_CC="$(CC_$(arch))" $(CC) ))
Patrick Georgifadbe5f2014-05-17 18:26:38 +020044
45HOSTCC:=CCC_CC="$(HOSTCC)" $(CC)
46HOSTCXX:=CCC_CXX="$(HOSTCXX)" $(CXX)
47ROMCC=CCC_CC="$(ROMCC_BIN)" $(CC)
48endif
49
Julius Werner99f46832018-05-16 14:14:04 -070050COREBOOT_STANDARD_STAGES := decompressor bootblock verstage romstage ramstage
51MAP-decompressor := bootblock
Furquan Shaikh99ac98f2014-04-23 10:18:48 -070052
Patrick Georgi8688def2015-03-28 16:27:42 +010053ARCHDIR-i386 := x86
54ARCHDIR-x86_32 := x86
Martin Rothcf0f6b82016-01-11 10:30:24 -070055ARCHDIR-x86_64 := x86
Patrick Georgi8688def2015-03-28 16:27:42 +010056ARCHDIR-arm := arm
57ARCHDIR-arm64 := arm64
58ARCHDIR-riscv := riscv
Jonathan Neuschäferc22ad582018-11-30 00:06:50 +010059ARCHDIR-ppc64 := ppc64
Furquan Shaikh99ac98f2014-04-23 10:18:48 -070060
Martin Rothcf0f6b82016-01-11 10:30:24 -070061CFLAGS_arm +=
62CFLAGS_arm64 += -mgeneral-regs-only
Stefan Reinauerd146ac62015-07-31 13:50:03 -070063CFLAGS_riscv +=
64CFLAGS_x86_32 +=
Martin Rothcf0f6b82016-01-11 10:30:24 -070065CFLAGS_x86_64 += -mcmodel=large -mno-red-zone
Jonathan Neuschäferc22ad582018-11-30 00:06:50 +010066CFLAGS_ppc64 +=
Stefan Reinauer46591132015-03-15 04:19:58 +010067
Julius Werner8d8799a2014-12-19 16:11:14 -080068# Some boards only provide 2K stacks, so storing lots of data there leads to
69# problems. Since C rules don't allow us to statically determine the maximum
70# stack use, we use 1.5K as heuristic, assuming that we typically have lots
71# of tiny stack frames and the odd large one.
72#
Kyösti Mälkki75396f62019-11-21 08:09:34 +020073# Store larger buffers in BSS, use MAYBE_STATIC_BSS to share data in cache-as-ram
Julius Werner8d8799a2014-12-19 16:11:14 -080074# on x86.
75# Since GCCs detection of dynamic array bounds unfortunately seems to be
76# very basic, you'll sometimes have to use a static upper bound for the
77# size and an assert() to make sure it's honored (see gpio_base3_value()
78# for an example).
79# (If you absolutely need a larger stack frame and are 100% sure it cannot
80# cause problems, you can whitelist it with #pragma diagnostic.)
Patrick Georgieef1e982017-05-10 22:02:55 +020081ifeq ($(CONFIG_COMPILER_GCC),y)
Julius Werner8d8799a2014-12-19 16:11:14 -080082CFLAGS_arm += -Wstack-usage=1536
83CFLAGS_arm64 += -Wstack-usage=1536
Julius Werner8d8799a2014-12-19 16:11:14 -080084CFLAGS_riscv += -Wstack-usage=1536
Jonathan Neuschäferc22ad582018-11-30 00:06:50 +010085CFLAGS_ppc64 += -Wstack-usage=1536
Patrick Georgieef1e982017-05-10 22:02:55 +020086endif
Julius Werner8d8799a2014-12-19 16:11:14 -080087
Furquan Shaikh99ac98f2014-04-23 10:18:48 -070088toolchain_to_dir = \
89 $(foreach arch,$(ARCH_SUPPORTED),\
Patrick Georgib145b832014-05-17 15:08:47 +020090 $(eval CPPFLAGS_$(arch) += \
Patrick Georgi4ebd3d92014-05-17 14:02:08 +020091 -Isrc/arch/$(ARCHDIR-$(arch))/include))
Furquan Shaikh99ac98f2014-04-23 10:18:48 -070092
93# set_stage_toolchain: Decides the toolchain to be used by every stage
94# E.g.: If bootblock is x86_32, it sets ARCH-BOOTBLOCK-y = x86_32, whereas
95# ARCH-BOOTBLOCK-n = armv7. Then, ARCH-BOOTBLOCK-y can be used anywhere to
96# decide the compiler toolchain for bootblock stage
97# This step is essential for initializing the toolchain for coreboot standard
98# stages i.e. bootblock, romstage and ramstage, since it acts as the second
99# parameter to create_class_compiler below in init_standard_toolchain
Patrick Georgi27ef6022015-04-30 14:25:14 +0200100map_stage = $(strip $(if $(MAP-$(1)),$(MAP-$(1)),$(1)))
Furquan Shaikh99ac98f2014-04-23 10:18:48 -0700101set_stage_toolchain= \
Martin Rothcf0f6b82016-01-11 10:30:24 -0700102 $(foreach arch,$(ARCH_SUPPORTED), \
103 $(eval ARCH-$(1)-$($(shell \
104 echo CONFIG_ARCH_$(call map_stage,$(1))_$(arch) | \
105 tr '[:lower:]' '[:upper:]')) := $(arch)))
Furquan Shaikh99ac98f2014-04-23 10:18:48 -0700106
Nico Huberbe5492a2015-09-29 16:41:19 +0200107# standard-archs: Tell which architectures are used by the standard stages.
108standard-archs = $(sort $(foreach stagearch, \
109 $(patsubst %,ARCH-%-y,$(COREBOOT_STANDARD_STAGES)), \
110 $($(stagearch))))
111
Furquan Shaikh99ac98f2014-04-23 10:18:48 -0700112# create_class_compiler: Used to create compiler tool set for
113# special classes
114# @1: special class
115# @2: compiler set to be used
116# e.g.: smm special class uses i386 as compiler set
117define create_class_compiler
Martin Roth9a162d72016-08-01 19:57:02 -0600118$(if $(2),,$(warning *** The toolchain architecture for $(1) is unknown.) \
119 $(error Check your .config file for CONFIG_ARCH_$(1)_* settings))
Furquan Shaikh99ac98f2014-04-23 10:18:48 -0700120CC_$(1) := $(CC_$(2))
Nico Huber1850aa62017-09-03 23:42:58 +0200121GCC_$(1) := $(GCC_CC_$(2))
Furquan Shaikh99ac98f2014-04-23 10:18:48 -0700122LD_$(1) := $(LD_$(2))
123NM_$(1) := $(NM_$(2))
Daisuke Nojiri9b1cb582014-06-19 19:01:34 -0700124AR_$(1) := $(AR_$(2))
Nico Huber2e09d2b2016-01-14 01:13:33 +0100125GNATBIND_$(1) := $(GNATBIND_$(2))
Furquan Shaikh99ac98f2014-04-23 10:18:48 -0700126OBJCOPY_$(1) := $(OBJCOPY_$(2))
127OBJDUMP_$(1) := $(OBJDUMP_$(2))
128STRIP_$(1) := $(STRIP_$(2))
129READELF_$(1) := $(READELF_$(2))
Marc Jonesa38ccfd2014-11-06 15:50:22 -0700130CFLAGS_$(1) = $$(CFLAGS_common) $$(CFLAGS_$(2))
Nico Huber6d7564c2019-06-18 16:38:29 +0200131ADAFLAGS_$(1) = --RTS=$$(obj)/libgnat-$(2)/ $$(ADAFLAGS_common) $$(GCC_ADAFLAGS_$(2))
Julius Wernerd3634c12015-11-13 13:28:41 -0800132CPPFLAGS_$(1) = $$(CPPFLAGS_common) $$(CPPFLAGS_$(2)) -D__ARCH_$(2)__
Patrick Georgi527f3922015-06-04 13:31:38 +0200133COMPILER_RT_$(1) := $$(COMPILER_RT_$(2))
134COMPILER_RT_FLAGS_$(1) := $$(COMPILER_RT_FLAGS_$(2))
Aaron Durbind4dd44c2015-09-06 10:15:17 -0500135LDFLAGS_$(1) = $$(LDFLAGS_common) $$(LDFLAGS_$(2))
Furquan Shaikh99ac98f2014-04-23 10:18:48 -0700136endef
137
Furquan Shaikh133096b2014-07-31 09:28:55 -0700138# define_class: Allows defining any program as dynamic class and compiler tool
139# set for the same based on the architecture for which the program is to be
140# compiled
141# @1: program (class name)
142# @2: architecture for which the program needs to be compiled
143# IMP: Ensure that define_class is called before any .c or .S files are added to
144# the class of the program. Check subdirs-y for order of subdirectory inclusions
145define define_class
146classes-y += $(1)
147$(eval $(call create_class_compiler,$(1),$(2)))
148endef
149
Furquan Shaikh99ac98f2014-04-23 10:18:48 -0700150# initialize standard toolchain (CC,AS and others) for give stage
151# @1 : stage for which the toolchain is to be initialized
152init_standard_toolchain = \
Patrick Georgi4ebd3d92014-05-17 14:02:08 +0200153 $(eval $(call set_stage_toolchain,$(1))) \
Patrick Georgi262f31c2014-05-17 15:13:40 +0200154 $(eval $(call create_class_compiler,$(1),$(ARCH-$(1)-y)))
Furquan Shaikh99ac98f2014-04-23 10:18:48 -0700155
156init_stages = \
Martin Rothcf0f6b82016-01-11 10:30:24 -0700157 $(foreach stage,$(COREBOOT_STANDARD_STAGES), \
158 $(eval $(call init_standard_toolchain,$(stage))))
Furquan Shaikh99ac98f2014-04-23 10:18:48 -0700159
Furquan Shaikh99ac98f2014-04-23 10:18:48 -0700160$(eval $(call toolchain_to_dir))
161
162$(call init_stages)
Patrick Georgi1053f652015-03-26 21:39:12 +0100163
Martin Roth3fb73c22015-12-07 14:04:27 -0700164# Test for coreboot toolchain (except when explicitly not requested)
Patrick Georgi1053f652015-03-26 21:39:12 +0100165ifneq ($(NOCOMPILE),1)
Martin Rotha6563622016-01-15 14:56:06 -0700166# Only run if we're doing a build (not for tests, kconfig, ...)
Patrick Georgi1053f652015-03-26 21:39:12 +0100167# rationale: gcc versions by Linux distributions tend to be quite messed up
Martin Rotha23e2ce2015-12-07 14:07:10 -0700168# llvm/clang also needs patches supplied by the coreboot build
Patrick Georgi1053f652015-03-26 21:39:12 +0100169COMPILERFAIL:=0
Martin Rothd9c193d2015-11-26 22:34:42 -0700170IASLFAIL:=0
Martin Rotha23e2ce2015-12-07 14:07:10 -0700171
Patrick Georgi1053f652015-03-26 21:39:12 +0100172ifneq ($(CONFIG_ANY_TOOLCHAIN),y)
Martin Rotha6563622016-01-15 14:56:06 -0700173# Verify that the coreboot toolchain is being used.
Martin Rothcf0f6b82016-01-11 10:30:24 -0700174$(foreach arch,$(sort $(foreach stage,\
175 $(COREBOOT_STANDARD_STAGES),$(ARCH-$(stage)-y))), \
176 $(if $(shell if [ -n "$(CC_$(arch))" ]; then \
177 $(CC_$(arch)) -v 2>&1 | grep -q "coreboot toolchain" || \
178 echo not-coreboot; else echo not-coreboot; fi), \
179 $(eval COMPILERFAIL:=1)\
180 $(warning The coreboot toolchain for '$(arch)'\
181 architecture was not found.)))
Martin Rotha6563622016-01-15 14:56:06 -0700182# If iasl doesn't match the current coreboot version, fail the test
183# TODO: Figure out if iasl is even needed for the build.
Martin Rothcf0f6b82016-01-11 10:30:24 -0700184$(if $(shell if [ -n "$(IASL)" ]; then \
Martin Rothab8f9232016-01-05 16:14:12 -0700185 $(IASL) -v 2>&1 | grep -q "coreboot toolchain" || \
Martin Rothcf0f6b82016-01-11 10:30:24 -0700186 echo not-coreboot; else echo not-coreboot; fi), \
187 $(eval COMPILERFAIL:=1)$(eval IASLFAIL:=1)\
188 $(warning The coreboot toolchain version of iasl \
189 '$(shell util/crossgcc/buildgcc -s iasl)' was not found))
Martin Rothaf91b8b2015-12-07 14:33:44 -0700190else #$(CONFIG_ANY_TOOLCHAIN)
Martin Rotha6563622016-01-15 14:56:06 -0700191# If the coreboot toolchain isn't being used, verify that there is A toolchain
Martin Rothcf0f6b82016-01-11 10:30:24 -0700192$(foreach arch,$(sort \
193 $(foreach stage,$(COREBOOT_STANDARD_STAGES),$(ARCH-$(stage)-y))), \
Martin Rothaf91b8b2015-12-07 14:33:44 -0700194 $(if $(CC_$(arch)),, $(eval COMPILERFAIL:=1) \
Martin Rothcf0f6b82016-01-11 10:30:24 -0700195 $(warning No compiler found for '$(arch)' architecture. \
196 Install one or use the coreboot toolchain?)) )
Martin Rotha6563622016-01-15 14:56:06 -0700197# If iasl isn't present, fail
198# TODO: Figure out if iasl is even needed for the build.
Martin Rothaf91b8b2015-12-07 14:33:44 -0700199$(if $(IASL),, $(eval COMPILERFAIL:=1)$(eval IASLFAIL:=1) \
Martin Rothcf0f6b82016-01-11 10:30:24 -0700200 $(warning iasl not found. \
201 Please install it or use the coreboot toolchain.))
Patrick Georgi1053f652015-03-26 21:39:12 +0100202endif
Martin Rotha6563622016-01-15 14:56:06 -0700203
204# If the compiler check failed, print out warnings
Patrick Georgi1053f652015-03-26 21:39:12 +0100205ifeq ($(COMPILERFAIL),1)
Martin Roth019cdbf2015-12-07 14:13:40 -0700206ifneq ($(XGCCPATH),)
207$(warning )
208$(warning Path to your toolchain is currently set to '$(XGCCPATH)')
209endif
Martin Roth335a9b62015-11-25 12:44:15 -0700210$(warning )
Martin Rothada36d42015-12-07 14:27:34 -0700211$(warning To build the entire coreboot toolchain: run 'make crossgcc')
Martin Rothd9c193d2015-11-26 22:34:42 -0700212ifeq ($(IASLFAIL),1)
Martin Rothada36d42015-12-07 14:27:34 -0700213$(warning To build just IASL: run 'make iasl')
Martin Roth73b79972015-12-07 14:20:55 -0700214endif #($(IASLFAIL),1)
Martin Rothada36d42015-12-07 14:27:34 -0700215$(warning For more toolchain build targets: run 'make help_toolchain')
Martin Roth335a9b62015-11-25 12:44:15 -0700216$(warning )
Martin Roth5981a632015-12-07 14:24:57 -0700217ifneq ($(CONFIG_ANY_TOOLCHAIN),y)
Martin Rothcf0f6b82016-01-11 10:30:24 -0700218$(warning To try to use any toolchain in your path, \
219 run 'make menuconfig', then select)
220$(warning the config option: 'General setup', \
221 and 'Allow building with any toolchain')
222$(warning Note that this is NOT supported. \
223 Using it means you're on your own.)
Martin Roth5981a632015-12-07 14:24:57 -0700224$(warning )
225endif #($(CONFIG_ANY_TOOLCHAIN),y)
226$(error Halting the build)
Martin Roth73b79972015-12-07 14:20:55 -0700227endif #($(COMPILERFAIL),1)
228
229endif #($(NOCOMPILE),1)
Martin Rothaede3fc2016-01-05 16:07:42 -0700230
Martin Rotha6563622016-01-15 14:56:06 -0700231# Run the toolchain version checks if the requested target is 'test-toolchain'
232# Checks the versions of GCC, binutils, clang, and IASL
Martin Rothaede3fc2016-01-05 16:07:42 -0700233ifneq ($(MAKECMDGOALS),)
234ifneq ($(filter test-toolchain,$(MAKECMDGOALS)),)
235$(foreach arch, $(ARCH_SUPPORTED), \
Martin Rothcf0f6b82016-01-11 10:30:24 -0700236 $(if $(shell if [ -n "$(GCC_CC_$(arch))" ]; then \
237 $(GCC_CC_$(arch)) -v 2>&1 | \
238 grep -q "$(shell util/crossgcc/buildgcc -s gcc)" || \
239 echo not-current; fi), \
240 $(eval COMPILER_OUT_OF_DATE:=1) \
241 $(warning The coreboot toolchain version of gcc for '$(arch)' \
242 architecture is not the current version.)) \
243 $(if $(shell if [ -n "$(CLANG_CC_$(arch))" ]; then \
244 $(CLANG_CC_$(arch)) -v 2>&1 | \
245 grep -q "$(shell util/crossgcc/buildgcc -s clang)" || \
246 echo not-current; fi), \
247 $(eval COMPILER_OUT_OF_DATE:=1)\
248 $(warning The coreboot toolchain version of clang for \
249 '$(arch)' architecture is not the current version.)) \
250 $(if $(shell if [ "$(OBJDUMP_$(arch))" != "invalidobjdump" ]; then \
251 $(OBJDUMP_$(arch)) -v 2>&1 | \
252 grep -q "$(shell util/crossgcc/buildgcc -s binutils)" || \
253 echo not-current; fi), \
254 $(eval COMPILER_OUT_OF_DATE:=1)\
255 $(warning The coreboot toolchain version of binutils for \
256 '$(arch)' architecture is not the current version.)) \
Martin Rothaede3fc2016-01-05 16:07:42 -0700257)
Martin Rothcf0f6b82016-01-11 10:30:24 -0700258$(if $(shell if [ -n "$(IASL)" ]; then $(IASL) -v 2>&1 | \
259 grep -q "$(shell util/crossgcc/buildgcc -s iasl)" || \
260 echo not-coreboot; fi), \
261 $(eval COMPILER_OUT_OF_DATE:=1)\
262 $(warning The coreboot toolchain version of iasl \
263 is not the current version))
Martin Rotha6563622016-01-15 14:56:06 -0700264endif #($(filter crossgcc_check%,$(MAKECMDGOALS)),)
265endif #($(MAKECMDGOALS),)