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Separate the architecture config file and function script.
/trunk/kconfig/kconfig.mk | 46 23 23 0 +++++++++++++++++++++++----------------------- /trunk/scripts/crosstool.sh | 2 1 1 0 +- /trunk/docs/overview.txt | 28 11 17 0 +++++++++++----------------- 3 files changed, 35 insertions(+), 41 deletions(-)
This commit is contained in:
Yann E. MORIN"
parent
689f4b103c
commit
b8d189b296
@ -541,20 +541,14 @@ An architecture is defined by:
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- a human-readable name, in lower case letters, with numbers as appropriate.
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The underscore is allowed; space and special characters are not.
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Eg.: arm, x86_64
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- a directory in "config/arch/" named after the architecture, with the same
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letters as above. Eg.: arch/arm, arch/x86_64
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This directory contains the following files, and only those files:
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- a configuration file in kconfig syntax, named "config.in", which shall
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follow the API defined below.
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Eg.: config/arch/arm/config.in
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- a function script in bash-3.0 syntax, named "functions", which shall
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follow the API defined below.
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Eg.: config/arch/arm/functions
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- an optional file, named "experimental" (in lower case!), which, if it
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is present, means that support for this architecture is EXPERIMENTAL.
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Eg.: config/arch/arm/experimental
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- a file in "config/arch/", named after the architecture's name, and suffixed
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with ".in".
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Eg.: config/arch/arm.in
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- a file in "scripts/build/arch/", named after the architecture's name, and
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suffixed with ".sh".
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Eg.: scripts/build/arch/arm.sh
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The "config.in" file API:
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The architecture's ".in" file API:
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> the config option "ARCH_%arch%" (where %arch% is to be replaced with the
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actual architecture name).
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That config option must have *neither* a type, *nor* a prompt! Also, it can
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@ -584,7 +578,7 @@ The "config.in" file API:
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this, as the architecture name was written all upper case. However, the
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prefix is unique among architectures, and does not cause harm).
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The "functions" file API:
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The architecture's ".sh" file API:
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> the function "CT_DoArchValues"
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+ parameters: none
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+ environment:
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@ -656,8 +650,8 @@ The "functions" file API:
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- default to:
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- all empty
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You can have a look at "config/arch/arm/" for an quite complete example of
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what an actual architecture description looks like.
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You can have a look at "config/arch/arm.in" and "scripts/build/arch/arm.sh" for
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a quite complete example of what an actual architecture description looks like.
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Kernel specific |
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----------------+
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@ -760,7 +754,7 @@ The kernel's ".sh" file API:
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any name-clashing.
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You can have a look at "config/kernel/linux.in" and "scripts/build/kernel/linux.sh"
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as an example of what a complex kernel description looks like,
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as an example of what a complex kernel description looks like.
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Adding a new version of a component |
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------------------------------------+
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@ -19,7 +19,7 @@ CFLAGS += -DKBUILD_NO_NLS
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endif
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# Build a list of all config files
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ARCH_CONFIG_FILES = $(wildcard $(CT_LIB_DIR)/config/arch/*/config.in)
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ARCH_CONFIG_FILES = $(wildcard $(CT_LIB_DIR)/config/arch/*.in)
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KERN_CONFIG_FILES = $(wildcard $(CT_LIB_DIR)/config/kernel/*.in)
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DEBUG_CONFIG_FILES = $(wildcard $(CT_LIB_DIR)/config/debug/*.in)
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TOOLS_CONFIG_FILES = $(wildcard $(CT_LIB_DIR)/config/tools/*.in)
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@ -33,7 +33,7 @@ GEN_CONFIG_FILES=$(CT_TOP_DIR)/config.gen/arch.in \
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CONFIG_FILES=$(STATIC_CONFIG_FILES) $(GEN_CONFIG_FILES)
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# Build list of items
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ARCHS = $(patsubst $(CT_LIB_DIR)/config/arch/%/config.in,%,$(ARCH_CONFIG_FILES))
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ARCHS = $(patsubst $(CT_LIB_DIR)/config/arch/%.in,%,$(ARCH_CONFIG_FILES))
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KERNELS = $(patsubst $(CT_LIB_DIR)/config/kernel/%.in,%,$(KERN_CONFIG_FILES))
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$(GEN_CONFIG_FILES): $(CT_TOP_DIR)/config.gen \
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@ -44,27 +44,27 @@ $(CT_TOP_DIR)/config.gen: $(KCONFIG_TOP)
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$(CT_TOP_DIR)/config.gen/arch.in: $(ARCH_CONFIG_FILES)
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@echo ' IN config.gen/arch.in'
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@(echo "# Architectures menu"; \
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echo "# Generated file, do not edit!!!"; \
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echo ""; \
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for arch in $(ARCHS); do \
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_arch=$$(echo "$${arch}" |sed -r -s -e 's/[-.+]/_/g;'); \
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echo "config ARCH_$${_arch}"; \
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echo " bool"; \
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printf " prompt \"$${arch}"; \
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if grep -E '^# +EXPERIMENTAL$$' config/arch/$${arch}/config.in >/dev/null 2>&1; then \
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echo " (EXPERIMENTAL)\""; \
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echo " depends on EXPERIMENTAL"; \
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else \
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echo "\""; \
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fi; \
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echo "if ARCH_$${_arch}"; \
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echo "config ARCH"; \
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echo " default \"$${arch}\" if ARCH_$${_arch}"; \
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echo "source config/arch/$${arch}/config.in"; \
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echo "endif"; \
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echo ""; \
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done; \
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@(echo "# Architectures menu"; \
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echo "# Generated file, do not edit!!!"; \
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echo ""; \
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for arch in $(ARCHS); do \
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_arch=$$(echo "$${arch}" |sed -r -s -e 's/[-.+]/_/g;'); \
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echo "config ARCH_$${_arch}"; \
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echo " bool"; \
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printf " prompt \"$${arch}"; \
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if grep -E '^# +EXPERIMENTAL$$' config/arch/$${arch}.in >/dev/null 2>&1; then \
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echo " (EXPERIMENTAL)\""; \
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echo " depends on EXPERIMENTAL"; \
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else \
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echo "\""; \
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fi; \
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echo "if ARCH_$${_arch}"; \
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echo "config ARCH"; \
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echo " default \"$${arch}\" if ARCH_$${_arch}"; \
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echo "source config/arch/$${arch}.in"; \
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echo "endif"; \
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echo ""; \
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done; \
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) >$@
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$(CT_TOP_DIR)/config.gen/kernel.in: $(KERN_CONFIG_FILES)
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@ -57,7 +57,7 @@ GREP_OPTIONS=
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CT_DoLog INFO "Building environment variables"
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# Parse architecture-specific functions
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. "${CT_LIB_DIR}/config/arch/${CT_ARCH}/functions"
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. "${CT_LIB_DIR}/scripts/build/arch/${CT_ARCH}.sh"
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# Target tuple: CT_TARGET needs a little love:
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CT_DoBuildTargetTuple
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