coreboot-kgpe-d16/toolchain.inc

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Introduce stage-specific architecture for coreboot Make all three coreboot stages (bootblock, romstage and ramstage) aware of the architecture specific to that stage i.e. we will have CONFIG_ARCH variables for each of the three stages. This allows us to have an SOC with any combination of architectures and thus every stage can be made to run on a completely different architecture independent of others. Thus, bootblock can have an x86 arch whereas romstage and ramstage can have arm32 and arm64 arch respectively. These stage specific CONFIG_ARCH_ variables enable us to select the proper set of toolchain and compiler flags for every stage. These options can be considered as either arch or modes eg: x86 running in different modes or ARM having different arch types (v4, v7, v8). We have got rid of the original CONFIG_ARCH option completely as every stage can have any architecture of its own. Thus, almost all the components of coreboot are identified as being part of one of the three stages (bootblock, romstage or ramstage). The components which cannot be classified as such e.g. smm, rmodules can have their own compiler toolset which is for now set to *_i386. Hence, all special classes are treated in a similar way and the compiler toolset is defined using create_class_compiler defined in Makefile. In order to meet these requirements, changes have been made to CC, LD, OBJCOPY and family to add CC_bootblock, CC_romstage, CC_ramstage and similarly others. Additionally, CC_x86_32 and CC_armv7 handle all the special classes. All the toolsets are defined using create_class_compiler. Few additional macros have been introduced to identify the class to be used at various points, e.g.: CC_$(class) derives the $(class) part from the name of the stage being compiled. We have also got rid of COREBOOT_COMPILER, COREBOOT_ASSEMBLER and COREBOOT_LINKER as they do not make any sense for coreboot as a whole. All these attributes are associated with each of the stages. Change-Id: I923f3d4fb097d21071030b104c372cc138c68c7b Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: http://review.coreboot.org/5577 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@gmail.com>
2014-04-23 19:18:48 +02:00
##
## This file is part of the coreboot project.
##
## Copyright (C) 2014 Google Inc
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; version 2 of the License.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
##
# ccache integration
ifeq ($(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)" $(CC)
endif
COREBOOT_STANDARD_STAGES := bootblock verstage romstage ramstage
Introduce stage-specific architecture for coreboot Make all three coreboot stages (bootblock, romstage and ramstage) aware of the architecture specific to that stage i.e. we will have CONFIG_ARCH variables for each of the three stages. This allows us to have an SOC with any combination of architectures and thus every stage can be made to run on a completely different architecture independent of others. Thus, bootblock can have an x86 arch whereas romstage and ramstage can have arm32 and arm64 arch respectively. These stage specific CONFIG_ARCH_ variables enable us to select the proper set of toolchain and compiler flags for every stage. These options can be considered as either arch or modes eg: x86 running in different modes or ARM having different arch types (v4, v7, v8). We have got rid of the original CONFIG_ARCH option completely as every stage can have any architecture of its own. Thus, almost all the components of coreboot are identified as being part of one of the three stages (bootblock, romstage or ramstage). The components which cannot be classified as such e.g. smm, rmodules can have their own compiler toolset which is for now set to *_i386. Hence, all special classes are treated in a similar way and the compiler toolset is defined using create_class_compiler defined in Makefile. In order to meet these requirements, changes have been made to CC, LD, OBJCOPY and family to add CC_bootblock, CC_romstage, CC_ramstage and similarly others. Additionally, CC_x86_32 and CC_armv7 handle all the special classes. All the toolsets are defined using create_class_compiler. Few additional macros have been introduced to identify the class to be used at various points, e.g.: CC_$(class) derives the $(class) part from the name of the stage being compiled. We have also got rid of COREBOOT_COMPILER, COREBOOT_ASSEMBLER and COREBOOT_LINKER as they do not make any sense for coreboot as a whole. All these attributes are associated with each of the stages. Change-Id: I923f3d4fb097d21071030b104c372cc138c68c7b Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: http://review.coreboot.org/5577 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@gmail.com>
2014-04-23 19:18:48 +02:00
ARCHDIR-i386 := x86
ARCHDIR-x86_32 := x86
ARCHDIR-arm := arm
ARCHDIR-arm64 := arm64
ARCHDIR-riscv := riscv
ARCHDIR-mips := mips
Introduce stage-specific architecture for coreboot Make all three coreboot stages (bootblock, romstage and ramstage) aware of the architecture specific to that stage i.e. we will have CONFIG_ARCH variables for each of the three stages. This allows us to have an SOC with any combination of architectures and thus every stage can be made to run on a completely different architecture independent of others. Thus, bootblock can have an x86 arch whereas romstage and ramstage can have arm32 and arm64 arch respectively. These stage specific CONFIG_ARCH_ variables enable us to select the proper set of toolchain and compiler flags for every stage. These options can be considered as either arch or modes eg: x86 running in different modes or ARM having different arch types (v4, v7, v8). We have got rid of the original CONFIG_ARCH option completely as every stage can have any architecture of its own. Thus, almost all the components of coreboot are identified as being part of one of the three stages (bootblock, romstage or ramstage). The components which cannot be classified as such e.g. smm, rmodules can have their own compiler toolset which is for now set to *_i386. Hence, all special classes are treated in a similar way and the compiler toolset is defined using create_class_compiler defined in Makefile. In order to meet these requirements, changes have been made to CC, LD, OBJCOPY and family to add CC_bootblock, CC_romstage, CC_ramstage and similarly others. Additionally, CC_x86_32 and CC_armv7 handle all the special classes. All the toolsets are defined using create_class_compiler. Few additional macros have been introduced to identify the class to be used at various points, e.g.: CC_$(class) derives the $(class) part from the name of the stage being compiled. We have also got rid of COREBOOT_COMPILER, COREBOOT_ASSEMBLER and COREBOOT_LINKER as they do not make any sense for coreboot as a whole. All these attributes are associated with each of the stages. Change-Id: I923f3d4fb097d21071030b104c372cc138c68c7b Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: http://review.coreboot.org/5577 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@gmail.com>
2014-04-23 19:18:48 +02:00
CFLAGS_arm := -mno-unaligned-access -ffunction-sections -fdata-sections
Introduce stage-specific architecture for coreboot Make all three coreboot stages (bootblock, romstage and ramstage) aware of the architecture specific to that stage i.e. we will have CONFIG_ARCH variables for each of the three stages. This allows us to have an SOC with any combination of architectures and thus every stage can be made to run on a completely different architecture independent of others. Thus, bootblock can have an x86 arch whereas romstage and ramstage can have arm32 and arm64 arch respectively. These stage specific CONFIG_ARCH_ variables enable us to select the proper set of toolchain and compiler flags for every stage. These options can be considered as either arch or modes eg: x86 running in different modes or ARM having different arch types (v4, v7, v8). We have got rid of the original CONFIG_ARCH option completely as every stage can have any architecture of its own. Thus, almost all the components of coreboot are identified as being part of one of the three stages (bootblock, romstage or ramstage). The components which cannot be classified as such e.g. smm, rmodules can have their own compiler toolset which is for now set to *_i386. Hence, all special classes are treated in a similar way and the compiler toolset is defined using create_class_compiler defined in Makefile. In order to meet these requirements, changes have been made to CC, LD, OBJCOPY and family to add CC_bootblock, CC_romstage, CC_ramstage and similarly others. Additionally, CC_x86_32 and CC_armv7 handle all the special classes. All the toolsets are defined using create_class_compiler. Few additional macros have been introduced to identify the class to be used at various points, e.g.: CC_$(class) derives the $(class) part from the name of the stage being compiled. We have also got rid of COREBOOT_COMPILER, COREBOOT_ASSEMBLER and COREBOOT_LINKER as they do not make any sense for coreboot as a whole. All these attributes are associated with each of the stages. Change-Id: I923f3d4fb097d21071030b104c372cc138c68c7b Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: http://review.coreboot.org/5577 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@gmail.com>
2014-04-23 19:18:48 +02:00
coreboot arm64: Add support for arm64 into coreboot framework Add support for enabling different coreboot stages (bootblock, romstage and ramstage) to have arm64 architecture. Most of the files have been copied over from arm/ or arm64-generic work. Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: https://chromium-review.googlesource.com/197397 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Commit-Queue: Furquan Shaikh <furquan@chromium.org> Tested-by: Furquan Shaikh <furquan@chromium.org> (cherry picked from commit 033ba96516805502673ac7404bc97e6ce4e2a934) This patch is essentially a squash of aarch64 changes made by these patches: d955885 coreboot: Rename coreboot_ram stage to ramstage a492761 cbmem console: Locate the preram console with a symbol instead of a sect 96e7f0e aarch64: Enable early icache and migrate SCTLR from EL3 3f854dc aarch64: Pass coreboot table in jmp_to_elf_entry ab3ecaf aarch64/foundation-armv8: Set up RAM area and enter ramstage 25fd2e9 aarch64: Remove CAR definitions from early_variables.h 65bf77d aarch64/foundation-armv8: Enable DYNAMIC_CBMEM 9484873 aarch64: Change default exception level to EL2 7a152c3 aarch64: Fix formatting of exception registers dump 6946464 aarch64: Implement basic exception handling c732a9d aarch64/foundation-armv8: Basic bootblock implementation 3bc412c aarch64: Comment out some parts of code to allow build ab5be71 Add initial aarch64 support The ramstage support is the only portion that has been tested on actual hardware. Bootblock and romstage support may require modifications to run on hardware. Change-Id: Icd59bec55c963a471a50e30972a8092e4c9d2fb2 Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com> Reviewed-on: http://review.coreboot.org/6915 Tested-by: build bot (Jenkins) Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com> Reviewed-by: Furquan Shaikh <furquan@google.com>
2014-04-29 01:39:40 +02:00
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
coreboot: x86: enable gc-sections Garbage collected sections allow for trimming the size of the binaries as well as allowing for not needing to config off unused functions. To that end, on a rambi build the following differences are observed: $ diff -up \ <(readelf -l coreboot-builds/google_rambi/cbfs/fallback/ramstage.elf) \ <(readelf -l coreboot-builds/google_rambi_gc_sections/cbfs/fallback/ramstage.elf) --- /dev/fd/63 2015-03-10 12:07:27.927985430 -0500 +++ /dev/fd/62 2015-03-10 12:07:27.927985430 -0500 @@ -6,9 +6,9 @@ There are 4 program headers, starting at Program Headers: Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align LOAD 0x001000 0x00000000 0x00000000 0x00040 0x00040 RWE 0 - LOAD 0x001040 0x00000040 0x00000040 0x34560 0x34560 RWE 0 - LOAD 0x0355a0 0x000345a0 0x000345a0 0x02578 0x02578 RWE 0 - LOAD 0x037b18 0x00036b18 0x00036b18 0x00000 0x0b560 0 + LOAD 0x001040 0x00000040 0x00000040 0x2cbf8 0x2cbf8 RWE 0 + LOAD 0x02dc38 0x0002cc38 0x0002cc38 0x02208 0x02208 RWE 0 + LOAD 0x02fe40 0x0002ee40 0x0002ee40 0x00000 0x0a888 0 Section to Segment mapping: Segment Sections... $ diff -up \ <(readelf -l coreboot-builds/google_rambi/cbfs/fallback/romstage.elf) \ <(readelf -l coreboot-builds/google_rambi_gc_sections/cbfs/fallback/romstage.elf) --- /dev/fd/63 2015-03-10 12:08:16.855985880 -0500 +++ /dev/fd/62 2015-03-10 12:08:16.851985880 -0500 @@ -5,8 +5,8 @@ There are 1 program headers, starting at Program Headers: Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align - LOAD 0x000060 0xfff20000 0xfff20000 0x08b81 0x08b81 R E 0x10 + LOAD 0x000060 0xfff20000 0xfff20000 0x06300 0x06300 R E 0x10 Section to Segment mapping: Segment Sections... - 00 .rom .text + 00 .rom The following warnings needed to be applied to CFLAGS_common because for some reason gcc was miraculously emitting the warnings with the unrelated *-sections options: -Wno-unused-but-set-variable Change-Id: I210784fdfc273ce4cb9927352cbd5a51be3c6929 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/8635 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2015-03-10 17:45:25 +01:00
Introduce stage-specific architecture for coreboot Make all three coreboot stages (bootblock, romstage and ramstage) aware of the architecture specific to that stage i.e. we will have CONFIG_ARCH variables for each of the three stages. This allows us to have an SOC with any combination of architectures and thus every stage can be made to run on a completely different architecture independent of others. Thus, bootblock can have an x86 arch whereas romstage and ramstage can have arm32 and arm64 arch respectively. These stage specific CONFIG_ARCH_ variables enable us to select the proper set of toolchain and compiler flags for every stage. These options can be considered as either arch or modes eg: x86 running in different modes or ARM having different arch types (v4, v7, v8). We have got rid of the original CONFIG_ARCH option completely as every stage can have any architecture of its own. Thus, almost all the components of coreboot are identified as being part of one of the three stages (bootblock, romstage or ramstage). The components which cannot be classified as such e.g. smm, rmodules can have their own compiler toolset which is for now set to *_i386. Hence, all special classes are treated in a similar way and the compiler toolset is defined using create_class_compiler defined in Makefile. In order to meet these requirements, changes have been made to CC, LD, OBJCOPY and family to add CC_bootblock, CC_romstage, CC_ramstage and similarly others. Additionally, CC_x86_32 and CC_armv7 handle all the special classes. All the toolsets are defined using create_class_compiler. Few additional macros have been introduced to identify the class to be used at various points, e.g.: CC_$(class) derives the $(class) part from the name of the stage being compiled. We have also got rid of COREBOOT_COMPILER, COREBOOT_ASSEMBLER and COREBOOT_LINKER as they do not make any sense for coreboot as a whole. All these attributes are associated with each of the stages. Change-Id: I923f3d4fb097d21071030b104c372cc138c68c7b Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: http://review.coreboot.org/5577 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@gmail.com>
2014-04-23 19:18:48 +02:00
toolchain_to_dir = \
$(foreach arch,$(ARCH_SUPPORTED),\
$(eval CPPFLAGS_$(arch) += \
-Isrc/arch/$(ARCHDIR-$(arch))/include))
Introduce stage-specific architecture for coreboot Make all three coreboot stages (bootblock, romstage and ramstage) aware of the architecture specific to that stage i.e. we will have CONFIG_ARCH variables for each of the three stages. This allows us to have an SOC with any combination of architectures and thus every stage can be made to run on a completely different architecture independent of others. Thus, bootblock can have an x86 arch whereas romstage and ramstage can have arm32 and arm64 arch respectively. These stage specific CONFIG_ARCH_ variables enable us to select the proper set of toolchain and compiler flags for every stage. These options can be considered as either arch or modes eg: x86 running in different modes or ARM having different arch types (v4, v7, v8). We have got rid of the original CONFIG_ARCH option completely as every stage can have any architecture of its own. Thus, almost all the components of coreboot are identified as being part of one of the three stages (bootblock, romstage or ramstage). The components which cannot be classified as such e.g. smm, rmodules can have their own compiler toolset which is for now set to *_i386. Hence, all special classes are treated in a similar way and the compiler toolset is defined using create_class_compiler defined in Makefile. In order to meet these requirements, changes have been made to CC, LD, OBJCOPY and family to add CC_bootblock, CC_romstage, CC_ramstage and similarly others. Additionally, CC_x86_32 and CC_armv7 handle all the special classes. All the toolsets are defined using create_class_compiler. Few additional macros have been introduced to identify the class to be used at various points, e.g.: CC_$(class) derives the $(class) part from the name of the stage being compiled. We have also got rid of COREBOOT_COMPILER, COREBOOT_ASSEMBLER and COREBOOT_LINKER as they do not make any sense for coreboot as a whole. All these attributes are associated with each of the stages. Change-Id: I923f3d4fb097d21071030b104c372cc138c68c7b Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: http://review.coreboot.org/5577 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@gmail.com>
2014-04-23 19:18:48 +02:00
# 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
set_stage_toolchain= \
$(foreach arch,$(ARCH_SUPPORTED),$(eval ARCH-$(1)-$($(shell echo CONFIG_ARCH_$(1)_$(arch) | tr '[:lower:]' '[:upper:]')) := $(arch)))
Introduce stage-specific architecture for coreboot Make all three coreboot stages (bootblock, romstage and ramstage) aware of the architecture specific to that stage i.e. we will have CONFIG_ARCH variables for each of the three stages. This allows us to have an SOC with any combination of architectures and thus every stage can be made to run on a completely different architecture independent of others. Thus, bootblock can have an x86 arch whereas romstage and ramstage can have arm32 and arm64 arch respectively. These stage specific CONFIG_ARCH_ variables enable us to select the proper set of toolchain and compiler flags for every stage. These options can be considered as either arch or modes eg: x86 running in different modes or ARM having different arch types (v4, v7, v8). We have got rid of the original CONFIG_ARCH option completely as every stage can have any architecture of its own. Thus, almost all the components of coreboot are identified as being part of one of the three stages (bootblock, romstage or ramstage). The components which cannot be classified as such e.g. smm, rmodules can have their own compiler toolset which is for now set to *_i386. Hence, all special classes are treated in a similar way and the compiler toolset is defined using create_class_compiler defined in Makefile. In order to meet these requirements, changes have been made to CC, LD, OBJCOPY and family to add CC_bootblock, CC_romstage, CC_ramstage and similarly others. Additionally, CC_x86_32 and CC_armv7 handle all the special classes. All the toolsets are defined using create_class_compiler. Few additional macros have been introduced to identify the class to be used at various points, e.g.: CC_$(class) derives the $(class) part from the name of the stage being compiled. We have also got rid of COREBOOT_COMPILER, COREBOOT_ASSEMBLER and COREBOOT_LINKER as they do not make any sense for coreboot as a whole. All these attributes are associated with each of the stages. Change-Id: I923f3d4fb097d21071030b104c372cc138c68c7b Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: http://review.coreboot.org/5577 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@gmail.com>
2014-04-23 19:18:48 +02:00
# 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 $(1) without the required toolchain))
Introduce stage-specific architecture for coreboot Make all three coreboot stages (bootblock, romstage and ramstage) aware of the architecture specific to that stage i.e. we will have CONFIG_ARCH variables for each of the three stages. This allows us to have an SOC with any combination of architectures and thus every stage can be made to run on a completely different architecture independent of others. Thus, bootblock can have an x86 arch whereas romstage and ramstage can have arm32 and arm64 arch respectively. These stage specific CONFIG_ARCH_ variables enable us to select the proper set of toolchain and compiler flags for every stage. These options can be considered as either arch or modes eg: x86 running in different modes or ARM having different arch types (v4, v7, v8). We have got rid of the original CONFIG_ARCH option completely as every stage can have any architecture of its own. Thus, almost all the components of coreboot are identified as being part of one of the three stages (bootblock, romstage or ramstage). The components which cannot be classified as such e.g. smm, rmodules can have their own compiler toolset which is for now set to *_i386. Hence, all special classes are treated in a similar way and the compiler toolset is defined using create_class_compiler defined in Makefile. In order to meet these requirements, changes have been made to CC, LD, OBJCOPY and family to add CC_bootblock, CC_romstage, CC_ramstage and similarly others. Additionally, CC_x86_32 and CC_armv7 handle all the special classes. All the toolsets are defined using create_class_compiler. Few additional macros have been introduced to identify the class to be used at various points, e.g.: CC_$(class) derives the $(class) part from the name of the stage being compiled. We have also got rid of COREBOOT_COMPILER, COREBOOT_ASSEMBLER and COREBOOT_LINKER as they do not make any sense for coreboot as a whole. All these attributes are associated with each of the stages. Change-Id: I923f3d4fb097d21071030b104c372cc138c68c7b Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: http://review.coreboot.org/5577 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@gmail.com>
2014-04-23 19:18:48 +02:00
CC_$(1) := $(CC_$(2))
LD_$(1) := $(LD_$(2))
NM_$(1) := $(NM_$(2))
AR_$(1) := $(AR_$(2))
Introduce stage-specific architecture for coreboot Make all three coreboot stages (bootblock, romstage and ramstage) aware of the architecture specific to that stage i.e. we will have CONFIG_ARCH variables for each of the three stages. This allows us to have an SOC with any combination of architectures and thus every stage can be made to run on a completely different architecture independent of others. Thus, bootblock can have an x86 arch whereas romstage and ramstage can have arm32 and arm64 arch respectively. These stage specific CONFIG_ARCH_ variables enable us to select the proper set of toolchain and compiler flags for every stage. These options can be considered as either arch or modes eg: x86 running in different modes or ARM having different arch types (v4, v7, v8). We have got rid of the original CONFIG_ARCH option completely as every stage can have any architecture of its own. Thus, almost all the components of coreboot are identified as being part of one of the three stages (bootblock, romstage or ramstage). The components which cannot be classified as such e.g. smm, rmodules can have their own compiler toolset which is for now set to *_i386. Hence, all special classes are treated in a similar way and the compiler toolset is defined using create_class_compiler defined in Makefile. In order to meet these requirements, changes have been made to CC, LD, OBJCOPY and family to add CC_bootblock, CC_romstage, CC_ramstage and similarly others. Additionally, CC_x86_32 and CC_armv7 handle all the special classes. All the toolsets are defined using create_class_compiler. Few additional macros have been introduced to identify the class to be used at various points, e.g.: CC_$(class) derives the $(class) part from the name of the stage being compiled. We have also got rid of COREBOOT_COMPILER, COREBOOT_ASSEMBLER and COREBOOT_LINKER as they do not make any sense for coreboot as a whole. All these attributes are associated with each of the stages. Change-Id: I923f3d4fb097d21071030b104c372cc138c68c7b Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: http://review.coreboot.org/5577 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@gmail.com>
2014-04-23 19:18:48 +02:00
OBJCOPY_$(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
Introduce stage-specific architecture for coreboot Make all three coreboot stages (bootblock, romstage and ramstage) aware of the architecture specific to that stage i.e. we will have CONFIG_ARCH variables for each of the three stages. This allows us to have an SOC with any combination of architectures and thus every stage can be made to run on a completely different architecture independent of others. Thus, bootblock can have an x86 arch whereas romstage and ramstage can have arm32 and arm64 arch respectively. These stage specific CONFIG_ARCH_ variables enable us to select the proper set of toolchain and compiler flags for every stage. These options can be considered as either arch or modes eg: x86 running in different modes or ARM having different arch types (v4, v7, v8). We have got rid of the original CONFIG_ARCH option completely as every stage can have any architecture of its own. Thus, almost all the components of coreboot are identified as being part of one of the three stages (bootblock, romstage or ramstage). The components which cannot be classified as such e.g. smm, rmodules can have their own compiler toolset which is for now set to *_i386. Hence, all special classes are treated in a similar way and the compiler toolset is defined using create_class_compiler defined in Makefile. In order to meet these requirements, changes have been made to CC, LD, OBJCOPY and family to add CC_bootblock, CC_romstage, CC_ramstage and similarly others. Additionally, CC_x86_32 and CC_armv7 handle all the special classes. All the toolsets are defined using create_class_compiler. Few additional macros have been introduced to identify the class to be used at various points, e.g.: CC_$(class) derives the $(class) part from the name of the stage being compiled. We have also got rid of COREBOOT_COMPILER, COREBOOT_ASSEMBLER and COREBOOT_LINKER as they do not make any sense for coreboot as a whole. All these attributes are associated with each of the stages. Change-Id: I923f3d4fb097d21071030b104c372cc138c68c7b Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: http://review.coreboot.org/5577 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@gmail.com>
2014-04-23 19:18:48 +02:00
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),$(2)))
endef
Introduce stage-specific architecture for coreboot Make all three coreboot stages (bootblock, romstage and ramstage) aware of the architecture specific to that stage i.e. we will have CONFIG_ARCH variables for each of the three stages. This allows us to have an SOC with any combination of architectures and thus every stage can be made to run on a completely different architecture independent of others. Thus, bootblock can have an x86 arch whereas romstage and ramstage can have arm32 and arm64 arch respectively. These stage specific CONFIG_ARCH_ variables enable us to select the proper set of toolchain and compiler flags for every stage. These options can be considered as either arch or modes eg: x86 running in different modes or ARM having different arch types (v4, v7, v8). We have got rid of the original CONFIG_ARCH option completely as every stage can have any architecture of its own. Thus, almost all the components of coreboot are identified as being part of one of the three stages (bootblock, romstage or ramstage). The components which cannot be classified as such e.g. smm, rmodules can have their own compiler toolset which is for now set to *_i386. Hence, all special classes are treated in a similar way and the compiler toolset is defined using create_class_compiler defined in Makefile. In order to meet these requirements, changes have been made to CC, LD, OBJCOPY and family to add CC_bootblock, CC_romstage, CC_ramstage and similarly others. Additionally, CC_x86_32 and CC_armv7 handle all the special classes. All the toolsets are defined using create_class_compiler. Few additional macros have been introduced to identify the class to be used at various points, e.g.: CC_$(class) derives the $(class) part from the name of the stage being compiled. We have also got rid of COREBOOT_COMPILER, COREBOOT_ASSEMBLER and COREBOOT_LINKER as they do not make any sense for coreboot as a whole. All these attributes are associated with each of the stages. Change-Id: I923f3d4fb097d21071030b104c372cc138c68c7b Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: http://review.coreboot.org/5577 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@gmail.com>
2014-04-23 19:18:48 +02:00
# 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)))
Introduce stage-specific architecture for coreboot Make all three coreboot stages (bootblock, romstage and ramstage) aware of the architecture specific to that stage i.e. we will have CONFIG_ARCH variables for each of the three stages. This allows us to have an SOC with any combination of architectures and thus every stage can be made to run on a completely different architecture independent of others. Thus, bootblock can have an x86 arch whereas romstage and ramstage can have arm32 and arm64 arch respectively. These stage specific CONFIG_ARCH_ variables enable us to select the proper set of toolchain and compiler flags for every stage. These options can be considered as either arch or modes eg: x86 running in different modes or ARM having different arch types (v4, v7, v8). We have got rid of the original CONFIG_ARCH option completely as every stage can have any architecture of its own. Thus, almost all the components of coreboot are identified as being part of one of the three stages (bootblock, romstage or ramstage). The components which cannot be classified as such e.g. smm, rmodules can have their own compiler toolset which is for now set to *_i386. Hence, all special classes are treated in a similar way and the compiler toolset is defined using create_class_compiler defined in Makefile. In order to meet these requirements, changes have been made to CC, LD, OBJCOPY and family to add CC_bootblock, CC_romstage, CC_ramstage and similarly others. Additionally, CC_x86_32 and CC_armv7 handle all the special classes. All the toolsets are defined using create_class_compiler. Few additional macros have been introduced to identify the class to be used at various points, e.g.: CC_$(class) derives the $(class) part from the name of the stage being compiled. We have also got rid of COREBOOT_COMPILER, COREBOOT_ASSEMBLER and COREBOOT_LINKER as they do not make any sense for coreboot as a whole. All these attributes are associated with each of the stages. Change-Id: I923f3d4fb097d21071030b104c372cc138c68c7b Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: http://review.coreboot.org/5577 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@gmail.com>
2014-04-23 19:18:48 +02:00
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