mirror of
https://git.yoctoproject.org/poky
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05091409dd
The psplash program has a mechanism for showing updates graphically in the form of a progress bar. The program is told when and how much to fill the progress bar via text messages sent through a fifo. If the fifo doesn't exist when the psplash program starts, it tries to create it. If the fifo doesn't exist or can't be created, the psplash program will refuse to run. In various circumstances when a system is booted for the very first time, the filesystem is mounted, initially, read-only. As a result the psplash program is not able to run. On systems where the root filesystem is not meant to be read-only, it will eventually be mounted read-write. Therefore the psplash program can run on shutdown, and all subsequent boots. Only the first boot is affected. If a fifo is created and included in the filesystem as part of the recipe, then filesystems that are meant to be read-only will have psplash work, as well as the cases where (on first boot) a read-write filesystem is initially mounted read-only. NOTE: this is only an issue with sysvinit, and non-qemu machines. systemd-based systems don't suffer from this first-boot issue, and neither do the qemu machines. NOTE 2: when psplash is done, it removes the fifo. Therefore the fifo used for communicating with psplash doesn't hang around unnecessarily in the filesystem. (From OE-Core rev: d20978f9bce3caf473f5b4f55d645dbeabc1642d) Signed-off-by: Trevor Woerner <twoerner@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
131 lines
5.2 KiB
BlitzBasic
131 lines
5.2 KiB
BlitzBasic
SUMMARY = "Userspace framebuffer boot logo based on usplash"
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DESCRIPTION = "PSplash is a userspace graphical boot splash screen for mainly embedded Linux devices supporting a 16bpp or 32bpp framebuffer. It has few dependencies (just libc), supports basic images and text and handles rotation. Its visual look is configurable by basic source changes. Also included is a 'client' command utility for sending information to psplash such as boot progress information."
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HOMEPAGE = "http://git.yoctoproject.org/cgit/cgit.cgi/psplash"
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SECTION = "base"
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LICENSE = "GPLv2+"
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LIC_FILES_CHKSUM = "file://psplash.h;beginline=1;endline=8;md5=8f232c1e95929eacab37f00900580224"
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DEPENDS = "gdk-pixbuf-native"
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SRCREV = "0a902f7cd875ccf018456451be369f05fa55f962"
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PV = "0.1+git${SRCPV}"
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PR = "r15"
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SRC_URI = "git://git.yoctoproject.org/${BPN} \
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file://psplash-init \
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file://psplash-start.service \
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file://psplash-systemd.service \
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${SPLASH_IMAGES}"
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UPSTREAM_CHECK_COMMITS = "1"
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SPLASH_IMAGES = "file://psplash-poky-img.h;outsuffix=default"
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python __anonymous() {
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oldpkgs = d.getVar("PACKAGES").split()
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splashfiles = d.getVar('SPLASH_IMAGES').split()
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mlprefix = d.getVar('MLPREFIX') or ''
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pkgs = []
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localpaths = []
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for uri in splashfiles:
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fetcher = bb.fetch2.Fetch([uri], d)
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flocal = os.path.basename(fetcher.localpath(uri))
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fbase = os.path.splitext(flocal)[0]
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outsuffix = fetcher.ud[uri].parm.get("outsuffix")
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if not outsuffix:
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if fbase.startswith("psplash-"):
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outsuffix = fbase[8:]
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else:
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outsuffix = fbase
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if outsuffix.endswith('-img'):
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outsuffix = outsuffix[:-4]
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outname = "psplash-%s" % outsuffix
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if outname == '' or outname in oldpkgs:
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bb.fatal("The output name '%s' derived from the URI %s is not valid, please specify the outsuffix parameter" % (outname, uri))
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else:
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pkgs.append(outname)
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localpaths.append(flocal)
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# Set these so that we have less work to do in do_compile and do_install_append
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d.setVar("SPLASH_INSTALL", " ".join(pkgs))
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d.setVar("SPLASH_LOCALPATHS", " ".join(localpaths))
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for p in pkgs:
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d.prependVar("PACKAGES", "%s%s " % (mlprefix, p))
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pn = d.getVar('PN') or ''
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for p in pkgs:
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ep = '%s%s' % (mlprefix, p)
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epsplash = '%s%s' % (mlprefix, 'psplash')
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d.setVar("FILES_%s" % ep, "${bindir}/%s" % p)
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d.setVar("ALTERNATIVE_%s" % ep, 'psplash')
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d.setVarFlag("ALTERNATIVE_TARGET_%s" % ep, 'psplash', '${bindir}/%s' % p)
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d.appendVar("RDEPENDS_%s" % ep, " %s" % pn)
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if p == "psplash-default":
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d.appendVar("RRECOMMENDS_%s" % pn, " %s" % ep)
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}
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S = "${WORKDIR}/git"
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inherit autotools pkgconfig update-rc.d update-alternatives systemd
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PACKAGECONFIG ??= "${@bb.utils.filter('DISTRO_FEATURES', 'systemd', d)}"
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PACKAGECONFIG[systemd] = "--with-systemd,--without-systemd,systemd"
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ALTERNATIVE_PRIORITY = "100"
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ALTERNATIVE_LINK_NAME[psplash] = "${bindir}/psplash"
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python do_compile () {
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import shutil
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import subprocess
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# Build a separate executable for each splash image
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workdir = d.getVar('WORKDIR')
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convertscript = "%s/make-image-header.sh" % d.getVar('S')
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destfile = "%s/psplash-poky-img.h" % d.getVar('B')
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localfiles = d.getVar('SPLASH_LOCALPATHS').split()
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outputfiles = d.getVar('SPLASH_INSTALL').split()
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for localfile, outputfile in zip(localfiles, outputfiles):
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if localfile.endswith(".png"):
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if subprocess.call([ convertscript, os.path.join(workdir, localfile), 'POKY' ], cwd=workdir):
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bb.fatal("Error calling convert script '%s'" % (convertscript))
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fbase = os.path.splitext(localfile)[0]
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shutil.copyfile(os.path.join(workdir, "%s-img.h" % fbase), destfile)
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else:
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shutil.copyfile(os.path.join(workdir, localfile), destfile)
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# For some reason just updating the header is not enough, we have to touch the .c
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# file in order to get it to rebuild
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os.utime("%s/psplash.c" % d.getVar('S'), None)
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bb.build.exec_func("oe_runmake", d)
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shutil.copyfile("psplash", outputfile)
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}
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do_install_append() {
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if ${@bb.utils.contains('DISTRO_FEATURES', 'sysvinit', 'true', 'false', d)}; then
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install -d ${D}${sysconfdir}/init.d/
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install -m 0755 ${WORKDIR}/psplash-init ${D}${sysconfdir}/init.d/psplash.sh
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# make fifo for psplash
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install -d ${D}/mnt
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mkfifo ${D}/mnt/psplash_fifo
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fi
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if ${@bb.utils.contains('DISTRO_FEATURES', 'systemd', 'true', 'false', d)}; then
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install -d ${D}${systemd_unitdir}/system
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install -m 644 ${WORKDIR}/psplash-start.service ${D}/${systemd_unitdir}/system
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install -m 644 ${WORKDIR}/psplash-systemd.service ${D}/${systemd_unitdir}/system
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fi
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install -d ${D}${bindir}
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for i in ${SPLASH_INSTALL} ; do
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install -m 0755 $i ${D}${bindir}/$i
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done
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rm -f ${D}${bindir}/psplash
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}
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SYSTEMD_PACKAGES = "${@bb.utils.contains('DISTRO_FEATURES','systemd','${PN}','',d)}"
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SYSTEMD_SERVICE_${PN} += "${@bb.utils.contains('PACKAGECONFIG', 'systemd', 'psplash-start.service psplash-systemd.service', '', d)}"
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INITSCRIPT_NAME = "psplash.sh"
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INITSCRIPT_PARAMS = "start 0 S . stop 20 0 1 6 ."
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FILES_${PN} += "/mnt"
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