added my Recipes

meta-st/meta-st-openstlinux/recipes-extended/bash/bash_%.bbappend

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+ALTERNATIVE_PRIORITY = "40"

meta-st/meta-st-openstlinux/recipes-extended/build-info/build-info-openstlinux.bb

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+SUMMARY = "Writes build information to target filesystem on /etc/build"
+LICENSE = "MIT"
+
+PACKAGE_ARCH = "${MACHINE_ARCH}"
+
+inherit image-buildinfo
+
+IMAGE_BUILDINFO_FILE = "${sysconfdir}/build"
+do_install(){
+    install -d ${D}/$(dirname "${IMAGE_BUILDINFO_FILE}")
+}
+BUILDINFODEST = "${D}"
+# Configure buildinfo() from image-buildinfo class to generate expected info
+IMAGE_BUILDINFO_VARS = "${BUILDCFG_VARS}"
+# Set path to output build info file on image dir
+IMAGE_ROOTFS = "${D}"
+# Generate build info file
+do_install[postfuncs] += "buildinfo"
+# Always rebuild that recipe to avoid cache issue
+do_install[nostamp] = "1"

meta-st/meta-st-openstlinux/recipes-extended/infos/infos-openstlinux.bb

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+SUMMARY = "Information for support"
+
+LICENSE = "GPL-2.0-or-later"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/GPL-2.0-or-later;md5=fed54355545ffd980b814dab4a3b312c"
+
+PACKAGE_ARCH = "${MACHINE_ARCH}"
+
+PV = "1.1"
+
+do_install() {
+	if [ "${TARGET_ARCH}" = "arm" ]; then
+		mkdir -p ${D}${sysconfdir}/st-info.d
+		touch ${D}${sysconfdir}/st-info.d/graphics-${PV}
+		printf "LIBGLES1=${PREFERRED_PROVIDER_virtual/libgles1}\n" > ${D}${sysconfdir}/st-info.d/graphics-${PV}
+	fi
+}
+
+# Make sure to update package as soon as EULA is accepted or not
+do_install[vardeps] += "${@d.getVar('ACCEPT_EULA_'+d.getVar('MACHINE'))}"
+
+FILES:${PN} = "${sysconfdir}/st-info.d"
+ALLOW_EMPTY:${PN} = "1"

meta-st/meta-st-openstlinux/recipes-extended/polkit/polkit_%.bbappend

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+FILESEXTRAPATHS:prepend := "${THISDIR}/${PN}:"
+
+PACKAGECONFIG:remove:stm32mpcommon = "mozjs"
+PACKAGECONFIG:append:stm32mpcommon = "duktape"

meta-st/meta-st-openstlinux/recipes-extended/stm32-ddr-tools/files/stm32_ddr_pmu.py

@@ -0,0 +1,60 @@
+#!/usr/bin/python3
+
+import getopt
+import re
+import sys
+
+with open('/proc/device-tree/compatible', 'r') as compatible:
+    if 'stm32mp15' in compatible.read():
+        word_length  = 4    # Bytes
+    else:
+        word_length  = 2    # Bytes
+
+burst_length = 8    # Words
+
+def usage():
+    print("Usage:")
+    print("  python stm32_ddr_pmu.py [-d <ddr_freq>] -f <perf_file>")
+    print("    -d ddr_freq: DDR frequency in MHz (533 MHz by default)")
+    print("    -f perf_file: text file containing the output of")
+    print("        perf stat -e stm32_ddr_pmu/read_cnt/,stm32_ddr_pmu/time_cnt/,stm32_ddr_pmu/write_cnt/ -a -o <perf_file> <command>")
+    print("The script considers bursts of %s words with %s bytes per word." % (burst_length, word_length))
+    sys.exit(2)
+
+ddr_freq = 533
+perf_file = None
+dic = {}
+
+try:
+    opts, args = getopt.getopt(sys.argv[1:], "d:f:")
+except getopt.GetoptError:
+    print("Error: invalid option !")
+    usage()
+
+for opt,arg in opts:
+    if opt == '-d':
+        ddr_freq = int(arg)
+    elif opt == '-f':
+        perf_file = arg
+    else:
+        usage()
+
+if perf_file == None:
+    print("Error: no perf file !")
+    usage()
+
+with open(perf_file) as file:
+    lines = file.readlines()
+    for line in lines:
+        a = re.match(".* ([0-9]+).*stm32_ddr_pmu\/(.*)\/.*", line)
+        try:
+            dic[a.groups()[1]] = a.groups()[0]
+        except:
+            continue
+
+constant = word_length * burst_length * ddr_freq * 1000000 / int(dic['time_cnt']) / (1024 * 1024)
+read_bw = int(dic['read_cnt']) * constant
+write_bw = int(dic['write_cnt']) * constant
+
+print("R = %s MB/s, W = %s MB/s, R&W = %s MB/s (DDR @ %s MHz)" % (read_bw.__round__(),
+      write_bw.__round__(), (read_bw + write_bw).__round__(), ddr_freq))

meta-st/meta-st-openstlinux/recipes-extended/stm32-ddr-tools/stm32-ddr-tools_1.0.bb

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+SUMMARY = "STM32 tool to convert the 'perf' tool counters into understandable MB/s"
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420"
+
+RDEPENDS:${PN} += " python3-core "
+
+SRC_URI += " \
+    file://stm32_ddr_pmu.py \
+"
+
+do_install() {
+       install -d ${D}/${bindir}
+       install -m 0755 ${WORKDIR}/stm32_ddr_pmu.py ${D}/${bindir}
+}
+
+FILES:${PN} = "${bindir}/stm32_ddr_pmu.py"