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zephyr.bbclass: support for image configuration
New class to support commands such as: $ MACHINE=xxx bitbake yyy -c menuconfig $ MACHINE=xxx bitbake yyy -c devshell Kernel options are typically configured via menuconfig. The file "prj.conf" must be edited manually, hence the need for devshell. Once in devshell, user can use their favorite editor to edit the file. For proper operation, these two variables need to be set in recipes: ZEPHYR_SRC_DIR : path to the source, typically place with prj.conf ZEPHYR_BASE: Zephyr kernel tree location [YOCTO#10657] Signed-off-by: Juro Bystricky <juro.bystricky@intel.com>
This commit is contained in:
Juro Bystricky
53
classes/zephyr.bbclass
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53
classes/zephyr.bbclass
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@@ -0,0 +1,53 @@
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inherit terminal
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OE_TERMINAL_EXPORTS += "HOST_EXTRACFLAGS HOSTLDFLAGS TERMINFO CROSS_CURSES_LIB CROSS_CURSES_INC"
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HOST_EXTRACFLAGS = "${BUILD_CFLAGS} ${BUILD_LDFLAGS}"
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HOSTLDFLAGS = "${BUILD_LDFLAGS}"
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CROSS_CURSES_LIB = "-lncurses -ltinfo"
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CROSS_CURSES_INC = '-DCURSES_LOC="<curses.h>"'
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TERMINFO = "${STAGING_DATADIR_NATIVE}/terminfo"
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KCONFIG_CONFIG_COMMAND ??= "menuconfig"
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python () {
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# Translate MACHINE into Zephyr BOARD
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# Zephyr BOARD is basically our MACHINE, except we must use "-" instead of "_"
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board = d.getVar('MACHINE',True)
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board = board.replace('-', '_')
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d.setVar('BOARD',board)
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}
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python do_menuconfig() {
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os.chdir(d.getVar('ZEPHYR_SRC_DIR', True))
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configdir = d.getVar('ZEPHYR_SRC_DIR', True) + '/outdir/' + d.getVar('BOARD', True)
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try:
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mtime = os.path.getmtime(configdir +"/.config")
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except OSError:
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mtime = 0
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oe_terminal("${SHELL} -c \"ZEPHYR_BASE=%s make BOARD=%s %s; if [ \$? -ne 0 ]; then echo 'Command failed.'; \
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printf 'Press any key to continue... '; \
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read r; fi\"" % (d.getVar('ZEPHYR_BASE', True), d.getVar('BOARD', True),d.getVar('KCONFIG_CONFIG_COMMAND', True)),
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d.getVar('PN', True) + ' Configuration', d)
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try:
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newmtime = os.path.getmtime(configdir +"/.config")
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except OSError:
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newmtime = 0
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if newmtime > mtime:
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bb.warn("Configuration changed, recompile will be forced")
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bb.build.write_taint('do_compile', d)
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}
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do_menuconfig[depends] += "ncurses-native:do_populate_sysroot"
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do_menuconfig[nostamp] = "1"
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do_menuconfig[dirs] = "${B}"
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addtask menuconfig after do_configure
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python do_devshell_prepend () {
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# Most likely we need to manually edit prj.conf...
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os.chdir(d.getVar('ZEPHYR_SRC_DIR', True))
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}
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@@ -6,15 +6,11 @@ inherit deploy
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QEMU_BIN_PATH = "${STAGING_BINDIR_NATIVE}"
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OE_TERMINAL_EXPORTS += "CROSS_COMPILE"
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OE_TERMINAL_EXPORTS += "BOARD"
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ZEPHYR_BASE = "${S}"
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do_compile () {
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cd ${S}
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export ZEPHYR_BASE=${S}
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export ZEPHYR_GCC_VARIANT="yocto"
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${MAKE_COMMAND} -C ${ZEPHYR_IMAGE_SRCDIR} pristine
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${MAKE_COMMAND} -C ${ZEPHYR_IMAGE_SRCDIR}
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oe_runmake ${ZEPHYR_MAKE_ARGS} -C ${ZEPHYR_IMAGE_SRCDIR}
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}
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do_deploy () {
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@@ -1,15 +1,12 @@
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# Common settings for all Zephyr recipes
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inherit zephyr
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# There shouldn't be a manifest for zephyr kernels since there is no root
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# filesystem.
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IMAGE_NO_MANIFEST = "1"
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# Zephyr BOARD is basically our MACHINE, except we must use "-" instead of "_"
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BOARD="$(echo ${MACHINE} | tr - _)"
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# oe_runmake isn't used because of the make -e causing issues with some
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# make variables.
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MAKE_COMMAND = "make -j V=1 BOARD=${BOARD} CROSS_COMPILE=${CROSS_COMPILE}"
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ZEPHYR_MAKE_ARGS = " V=1 BOARD=${BOARD} CROSS_COMPILE=${CROSS_COMPILE} ZEPHYR_GCC_VARIANT="yocto" ZEPHYR_BASE=${ZEPHYR_BASE} SYSROOT=${STAGING_DIR_TARGET}"
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# We always need a toolchain to cross-compile.
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INHIBIT_DEFAULT_DEPS = "1"
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@@ -28,3 +25,7 @@ python () {
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d.delVar('CXXFLAGS')
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d.delVar('LDFLAGS')
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}
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OE_TERMINAL_EXPORTS += "CROSS_COMPILE"
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OE_TERMINAL_EXPORTS += "BOARD"
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OE_TERMINAL_EXPORTS += "ZEPHYR_SRC_DIR"
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OE_TERMINAL_EXPORTS += "ZEPHYR_BASE"
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@@ -2,12 +2,12 @@ require zephyr-kernel.inc
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require zephyr-kernel-common.inc
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inherit deploy
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ZEPHYR_SRC_DIR = "${S}/samples/philosophers"
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ZEPHYR_BASE = "${S}"
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do_compile () {
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cd ${S}
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export ZEPHYR_BASE=${S}
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export ZEPHYR_GCC_VARIANT="yocto"
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${MAKE_COMMAND} -C samples/philosophers pristine
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${MAKE_COMMAND} -C samples/philosophers
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cd ${ZEPHYR_SRC_DIR}
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oe_runmake ${ZEPHYR_MAKE_ARGS}
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}
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do_deploy () {
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@@ -9,14 +9,14 @@ SRCREV="b8d511be4d2b9e05c6adb413a33d6ea510aa0c6a"
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SRC_URI = "git://github.com/pfalcon/zephyr_console_helpers.git;protocol=https"
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S = "${WORKDIR}/git/zephyr_getchar"
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ZEPHYR_SRC_DIR = "${S}"
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ZEPHYR_BASE="${STAGING_DIR_TARGET}/usr/src/zephyr"
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DEPENDS += " zephyr-kernel-src"
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do_compile () {
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cd ${S}
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export ZEPHYR_GCC_VARIANT="yocto"
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export CROSS_COMPILE=${CROSS_COMPILE}
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export ZEPHYR_BASE=${STAGING_DIR_TARGET}/usr/src/zephyr
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make -j V=1 BOARD=${BOARD}
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cd ${ZEPHYR_SRC_DIR}
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oe_runmake ${ZEPHYR_MAKE_ARGS}
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}
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do_deploy () {
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