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authorFurquan Shaikh <furquan@google.com>2014-04-23 10:18:48 -0700
committerFurquan Shaikh <furquan@google.com>2014-05-06 20:23:31 +0200
commit99ac98f7e1fa30d3fb33cc5486e6af46b4bef56e (patch)
tree494f593ff1156c47a33338264c87831d63ef5e98 /src/mainboard/avalue
parentfb494d68ff92d036adf10fb7eacf97ed9f1a4391 (diff)
downloadcoreboot-99ac98f7e1fa30d3fb33cc5486e6af46b4bef56e.tar.xz
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 $(class) part from the name of the stage being compiled. We have also got rid of COREBOOT_COMPILER, COREBOOT_ASSEMBLER and COREBOOT_LINKER as they do not make any sense for coreboot as a whole. All these attributes are associated with each of the stages. Change-Id: I923f3d4fb097d21071030b104c372cc138c68c7b Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: http://review.coreboot.org/5577 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@gmail.com>
Diffstat (limited to 'src/mainboard/avalue')
-rw-r--r--src/mainboard/avalue/eax-785e/Makefile.inc2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mainboard/avalue/eax-785e/Makefile.inc b/src/mainboard/avalue/eax-785e/Makefile.inc
index 924f9d6a53..0bbc26fcce 100644
--- a/src/mainboard/avalue/eax-785e/Makefile.inc
+++ b/src/mainboard/avalue/eax-785e/Makefile.inc
@@ -11,5 +11,5 @@ ifneq ($(CONFIG_CPU_AMD_AGESA),y)
-I$(AGESA_ROOT)/Proc/CPU/ \
-I$(AGESA_ROOT)/Proc/CPU/Family
- CFLAGS += $(AGESA_INC)
+ CFLAGS_common += $(AGESA_INC)
endif