modify BUILD_LOADABLE to MODULES which backwards-compatible Kernel
maintains the same semantics as Kernel’s module build
and compatible with Kconfiglib implementation.
The problem of kconfiglib not being able to use tri-states is this:
linux is here torvalds/linux@6dd85ff
The module option is extracted from one of the triate three states into a MODULE keyword.
Kconfiglib supports the default implementation of module to be MODULE for compatibility with the linux kernel, and triate degenerates into bool two states
Refer to this code: 061e71f7d7/kconfiglib.py (L4274-L4284)
Signed-off-by: xuxin19 <xuxin19@xiaomi.com>
This commit is contained in:
xuxin19
Xiang Xiao
parent
0561b55860
commit
1d3dd328dd
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@ -335,15 +335,9 @@ if(NOT EXISTS ${CMAKE_BINARY_DIR}/.config OR NOT "${NUTTX_DEFCONFIG}" STREQUAL
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# store original expanded .config
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configure_file(${CMAKE_BINARY_DIR}/.config ${CMAKE_BINARY_DIR}/.config.orig
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COPYONLY)
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string(REPLACE "\n" ";" KCONFIG_ESTRING ${KCONFIG_ERROR})
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foreach(estring ${KCONFIG_ESTRING})
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string(REGEX MATCH "the 'modules' option is not supported" result
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${estring})
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if(NOT result)
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message(WARNING "Kconfig Configuration Error: ${estring}")
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endif()
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endforeach()
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if(KCONFIG_ERROR)
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message(WARNING "Kconfig Configuration Error: ${KCONFIG_ERROR}")
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endif()
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if(KCONFIG_STATUS AND NOT KCONFIG_STATUS EQUAL 0)
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message(
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@ -127,7 +127,7 @@ Symbol tables have differing usefulness in different NuttX build modes:
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share resources with other user code (but should use system calls to
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interact with the OS).
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#. But in the kernel build mode (``CONFIG_BUILD_LOADABLE``), only fully linked
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#. But in the kernel build mode (``CONFIG_MODULES``), only fully linked
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executables loadable via ``execl()``, ``execv()``, or ``posix_spawan()``
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can be used.
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There is no use for a symbol table with the kernel build since all
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@ -132,11 +132,6 @@ If you are a working on Windows, which also need the support of windows-curses:
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pip install windows-curses
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.. tip::
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It should be noted that kconfiglib does not support **modules** attributes.
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(https://github.com/ulfalizer/Kconfiglib/blob/master/kconfiglib.py#L3239-L3254,
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the community seems to have stopped updating), if the features depends on
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``CONFIG_BUILD_LOADABLE``, kconfiglib may not be a good choice.
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Toolchain
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=========
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15
Kconfig
15
Kconfig
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@ -273,14 +273,17 @@ config BASE_DEFCONFIG
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current configuration. It is useful for getting the current configuration
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on runtime.
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config BUILD_LOADABLE
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config MODULES
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bool
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option modules
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---help---
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Automatically selected if KERNEL build is selected.
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This selection only effects the behavior of the 'make export'
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target and currently has no effect unless you wish to build
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loadable applications in a FLAT build.
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This selection marks the implementation of Kconfig
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to enable the module build function, and is used to
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enable 'm' in the triate state. Its semantics are
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consistent with Kernel. This selection also effects
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the behavior of the 'make export' target and currently
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has no effect unless you wish to build loadable applications
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in a FLAT build.
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choice
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prompt "Memory organization"
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@ -312,8 +315,8 @@ config BUILD_PROTECTED
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config BUILD_KERNEL
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bool "NuttX kernel build"
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depends on ARCH_USE_MMU && ARCH_ADDRENV
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select BUILD_LOADABLE
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select LIB_SYSCALL
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select MODULES
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---help---
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Builds NuttX as a separately compiled kernel. No applications are
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built. All user applications must reside in a file system where
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@ -22,7 +22,7 @@ config PATH_INITIAL
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config BINFMT_LOADABLE
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bool
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select BUILD_LOADABLE
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select MODULES
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default n
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---help---
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Automatically selected if a loadable binary format is selected.
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@ -157,7 +157,7 @@ function(nuttx_add_application)
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# loadable build requires applying ELF flags to all applications
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if(CONFIG_BUILD_LOADABLE)
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if(CONFIG_MODULES)
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target_compile_options(
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${TARGET}
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PRIVATE
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@ -638,10 +638,7 @@ pass2dep: context tools/mkdeps$(HOSTEXEEXT) tools/cnvwindeps$(HOSTEXEEXT)
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KCONFIG_ENV = APPSDIR=${CONFIG_APPS_DIR} EXTERNALDIR=$(EXTERNALDIR)
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KCONFIG_ENV += APPSBINDIR=${CONFIG_APPS_DIR} BINDIR=${TOPDIR}
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LOADABLE = $(shell grep "=m$$" $(TOPDIR)/.config)
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ifeq ($(CONFIG_BUILD_LOADABLE)$(LOADABLE),)
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KCONFIG_LIB = $(shell command -v menuconfig 2> /dev/null)
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endif
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KCONFIG_LIB = $(shell command -v menuconfig 2> /dev/null)
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# Prefer "kconfiglib" if host OS supports it
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@ -657,21 +654,19 @@ define kconfig_tweak_disable
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kconfig-tweak --file $1 -u $2
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endef
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else
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KCONFIG_WARNING = if [ -s kwarning ]; \
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then rm kwarning; \
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exit 1; \
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else \
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rm kwarning; \
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fi
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MODULE_WARNING = "warning: the 'modules' option is not supported"
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PURGE_MODULE_WARNING = 2> >(grep -v ${MODULE_WARNING} | tee kwarning) | cat && ${KCONFIG_WARNING}
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KCONFIG_OLDCONFIG = oldconfig ${PURGE_MODULE_WARNING}
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KCONFIG_OLDDEFCONFIG = olddefconfig ${PURGE_MODULE_WARNING}
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KCONFIG_MENUCONFIG = menuconfig $(subst | cat,,${PURGE_MODULE_WARNING})
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KCONFIG_NCONFIG = guiconfig ${PURGE_MODULE_WARNING}
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KCONFIG_WARNING = 2> >(tee kwarning) | cat && if [ -s kwarning ]; \
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then rm kwarning; \
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exit 1; \
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else \
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rm kwarning; \
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fi
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KCONFIG_OLDCONFIG = oldconfig ${KCONFIG_WARNING}
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KCONFIG_OLDDEFCONFIG = olddefconfig ${KCONFIG_WARNING}
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KCONFIG_MENUCONFIG = menuconfig $(subst | cat,,${KCONFIG_WARNING})
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KCONFIG_NCONFIG = guiconfig ${KCONFIG_WARNING}
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KCONFIG_QCONFIG = ${KCONFIG_NCONFIG}
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KCONFIG_GCONFIG = ${KCONFIG_NCONFIG}
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KCONFIG_SAVEDEFCONFIG = savedefconfig --out defconfig.tmp ${PURGE_MODULE_WARNING}
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KCONFIG_SAVEDEFCONFIG = savedefconfig --out defconfig.tmp ${KCONFIG_WARNING}
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define kconfig_tweak_disable
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$(Q) sed -i'.orig' '/$2/d' $1
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$(Q) rm -f $1.orig
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