73b7997ba4
Move the check for NOCOMPILE flag around the whole block. There's no need to test COMPILERFAIL if NOCOMPILE is set. Comment the endif lines to make it easier to understand. Signed-off-by: Martin Roth <martinroth@google.com> Change-Id: Id7bb5ca13e6bf1cabf4b7b2ff3256b47b966bac1 Reviewed-on: https://review.coreboot.org/12678 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
183 lines
6.8 KiB
PHP
183 lines
6.8 KiB
PHP
##
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## This file is part of the coreboot project.
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##
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## Copyright (C) 2014 Google Inc
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##
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## This program is free software; you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation; version 2 of the License.
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##
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## This program is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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# ccache integration
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ifeq ($(CONFIG_CCACHE),y)
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CCACHE:=$(word 1,$(wildcard $(addsuffix /ccache,$(subst :, ,$(PATH)))))
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ifeq ($(CCACHE),)
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$(error ccache selected, but not found in PATH)
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endif
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export CCACHE_COMPILERCHECK=content
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export CCACHE_BASEDIR=$(top)
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$(foreach arch,$(ARCH_SUPPORTED), \
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$(eval CC_$(arch):=$(CCACHE) $(CC_$(arch))))
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HOSTCC:=$(CCACHE) $(HOSTCC)
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HOSTCXX:=$(CCACHE) $(HOSTCXX)
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ROMCC=$(CCACHE) $(ROMCC_BIN)
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endif
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# scan-build integration
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ifneq ($(CCC_ANALYZER_OUTPUT_FORMAT),)
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ifeq ($(CCC_ANALYZER_ANALYSIS),)
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export CCC_ANALYZER_ANALYSIS := -analyzer-opt-analyze-headers
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endif
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$(foreach arch,$(ARCH_SUPPORTED), \
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$(eval CC_$(arch):=CCC_CC="$(CC_$(arch))" $(CC) ))
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HOSTCC:=CCC_CC="$(HOSTCC)" $(CC)
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HOSTCXX:=CCC_CXX="$(HOSTCXX)" $(CXX)
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ROMCC=CCC_CC="$(ROMCC_BIN)" $(CC)
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endif
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COREBOOT_STANDARD_STAGES := bootblock libverstage verstage romstage ramstage
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MAP-libverstage := verstage
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ARCHDIR-i386 := x86
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ARCHDIR-x86_32 := x86
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ARCHDIR-x86_64 := x86
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ARCHDIR-arm := arm
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ARCHDIR-arm64 := arm64
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ARCHDIR-riscv := riscv
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ARCHDIR-mips := mips
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CFLAGS_arm +=
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CFLAGS_arm64 += -mgeneral-regs-only
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CFLAGS_mips += -mips32r2 -G 0 -mno-abicalls -fno-pic
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CFLAGS_riscv +=
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CFLAGS_x86_32 +=
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CFLAGS_x86_64 += -mcmodel=large -mno-red-zone
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# Some boards only provide 2K stacks, so storing lots of data there leads to
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# problems. Since C rules don't allow us to statically determine the maximum
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# stack use, we use 1.5K as heuristic, assuming that we typically have lots
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# of tiny stack frames and the odd large one.
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#
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# Store larger buffers in BSS, use MAYBE_STATIC to share code with __PRE_RAM__
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# on x86.
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# Since GCCs detection of dynamic array bounds unfortunately seems to be
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# very basic, you'll sometimes have to use a static upper bound for the
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# size and an assert() to make sure it's honored (see gpio_base3_value()
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# for an example).
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# (If you absolutely need a larger stack frame and are 100% sure it cannot
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# cause problems, you can whitelist it with #pragma diagnostic.)
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CFLAGS_arm += -Wstack-usage=1536
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CFLAGS_arm64 += -Wstack-usage=1536
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CFLAGS_mips += -Wstack-usage=1536
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CFLAGS_riscv += -Wstack-usage=1536
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toolchain_to_dir = \
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$(foreach arch,$(ARCH_SUPPORTED),\
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$(eval CPPFLAGS_$(arch) += \
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-Isrc/arch/$(ARCHDIR-$(arch))/include))
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# set_stage_toolchain: Decides the toolchain to be used by every stage
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# E.g.: If bootblock is x86_32, it sets ARCH-BOOTBLOCK-y = x86_32, whereas
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# ARCH-BOOTBLOCK-n = armv7. Then, ARCH-BOOTBLOCK-y can be used anywhere to
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# decide the compiler toolchain for bootblock stage
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# This step is essential for initializing the toolchain for coreboot standard
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# stages i.e. bootblock, romstage and ramstage, since it acts as the second
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# parameter to create_class_compiler below in init_standard_toolchain
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map_stage = $(strip $(if $(MAP-$(1)),$(MAP-$(1)),$(1)))
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set_stage_toolchain= \
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$(foreach arch,$(ARCH_SUPPORTED),$(eval ARCH-$(1)-$($(shell echo CONFIG_ARCH_$(call map_stage,$(1))_$(arch) | tr '[:lower:]' '[:upper:]')) := $(arch)))
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# create_class_compiler: Used to create compiler tool set for
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# special classes
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# @1: special class
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# @2: compiler set to be used
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# e.g.: smm special class uses i386 as compiler set
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define create_class_compiler
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$(if $(2),,$(error building $(1) without the required toolchain))
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CC_$(1) := $(CC_$(2))
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LD_$(1) := $(LD_$(2))
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NM_$(1) := $(NM_$(2))
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AR_$(1) := $(AR_$(2))
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OBJCOPY_$(1) := $(OBJCOPY_$(2))
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OBJDUMP_$(1) := $(OBJDUMP_$(2))
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STRIP_$(1) := $(STRIP_$(2))
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READELF_$(1) := $(READELF_$(2))
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CFLAGS_$(1) = $$(CFLAGS_common) $$(CFLAGS_$(2))
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CPPFLAGS_$(1) = $$(CPPFLAGS_common) $$(CPPFLAGS_$(2)) -D__ARCH_$(2)__
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COMPILER_RT_$(1) := $$(COMPILER_RT_$(2))
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COMPILER_RT_FLAGS_$(1) := $$(COMPILER_RT_FLAGS_$(2))
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LDFLAGS_$(1) = $$(LDFLAGS_common) $$(LDFLAGS_$(2))
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endef
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# define_class: Allows defining any program as dynamic class and compiler tool
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# set for the same based on the architecture for which the program is to be
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# compiled
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# @1: program (class name)
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# @2: architecture for which the program needs to be compiled
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# IMP: Ensure that define_class is called before any .c or .S files are added to
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# the class of the program. Check subdirs-y for order of subdirectory inclusions
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define define_class
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classes-y += $(1)
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$(eval $(call create_class_compiler,$(1),$(2)))
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endef
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# initialize standard toolchain (CC,AS and others) for give stage
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# @1 : stage for which the toolchain is to be initialized
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init_standard_toolchain = \
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$(eval $(call set_stage_toolchain,$(1))) \
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$(eval $(call create_class_compiler,$(1),$(ARCH-$(1)-y)))
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init_stages = \
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$(foreach stage,$(COREBOOT_STANDARD_STAGES),$(eval $(call init_standard_toolchain,$(stage))))
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$(eval $(call toolchain_to_dir))
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$(call init_stages)
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# Test for coreboot toolchain (except when explicitly not requested)
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ifneq ($(NOCOMPILE),1)
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# only run if we're doing a build (not for tests, kconfig, ...)
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# rationale: gcc versions by Linux distributions tend to be quite messed up
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# llvm/clang also needs patches supplied by the coreboot build
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COMPILERFAIL:=0
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IASLFAIL:=0
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ifneq ($(CONFIG_ANY_TOOLCHAIN),y)
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$(foreach arch,$(sort $(foreach stage,$(COREBOOT_STANDARD_STAGES),$(ARCH-$(stage)-y))), \
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$(if $(shell if [ -n "$(CC_$(arch))" ]; then $(CC_$(arch)) -v 2>&1 |grep -q "coreboot toolchain" || echo not-coreboot; else echo not-coreboot; fi), \
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$(eval COMPILERFAIL:=1)$(warning Please use the coreboot toolchain for '$(arch)')))
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#if iasl doesn't match the current coreboot version, fail the test
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$(if $(shell if [ -n "$(IASL)" ]; then $(IASL) -v 2>&1 | grep -q "$(shell util/crossgcc/buildgcc -s iasl)" || echo not-coreboot; else echo not-coreboot; fi), \
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$(eval COMPILERFAIL:=1)$(eval IASLFAIL:=1)$(warning Please use the coreboot toolchain version of iasl - $(shell util/crossgcc/buildgcc -s iasl)))
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endif
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ifeq ($(COMPILERFAIL),1)
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ifneq ($(XGCCPATH),)
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$(warning )
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$(warning Path to your toolchain is currently set to '$(XGCCPATH)')
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endif
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$(warning )
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$(warning To build the entire coreboot toolchain: make crossgcc)
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ifeq ($(IASLFAIL),1)
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$(warning To build just IASL: make iasl)
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endif #($(IASLFAIL),1)
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$(warning For more toolchain build targets: make help_toolchain)
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$(warning )
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$(warning *** To try to use your own toolchain, run 'make menuconfig', then select the)
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$(warning *** config option: General setup -> Allow building with any toolchain)
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$(error Note that this is NOT supported. Using it means you're on your own)
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endif #($(COMPILERFAIL),1)
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endif #($(NOCOMPILE),1)
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