bootimg.bbclass - This creates a bootable image using syslinux, your kernel and an...
authorRaymond Danks <raymond@edanks.com>
Wed, 31 May 2006 23:18:20 +0000 (23:18 +0000)
committerOpenEmbedded Project <openembedded-devel@lists.openembedded.org>
Wed, 31 May 2006 23:18:20 +0000 (23:18 +0000)
syslinux.bbclass - This creates a configuration file suitable for use with syslinux.
db1200.conf geodelx.conf - add db1200 and geodelx machine configurations.
  Forgot the mt-add on these in the last attempt...

classes/bootimg.bbclass [new file with mode: 0644]
classes/syslinux.bbclass [new file with mode: 0644]
conf/machine/db1200.conf [new file with mode: 0644]
conf/machine/geodelx.conf [new file with mode: 0644]

diff --git a/classes/bootimg.bbclass b/classes/bootimg.bbclass
new file mode 100644 (file)
index 0000000..820749a
--- /dev/null
@@ -0,0 +1,92 @@
+# bootimg.oeclass
+# Copyright (C) 2004, Advanced Micro Devices, Inc.  All Rights Reserved
+# Released under the MIT license (see packages/COPYING)
+
+# This creates a bootable image using syslinux, your kernel and an optional
+# initrd
+
+# External variables needed
+# ${INITRD} - indicates a filesystem image to use as an initrd (optional)
+# ${AUTO_SYSLINUXCFG} - set this to 1 to enable creating an automatic config
+# ${LABELS} - a list of targets for the automatic config
+# ${APPEND} - an override list of append strings for each label
+# ${SYSLINUX_OPTS} - additional options to add to the syslinux file ';' delimited 
+
+DEPENDS_append=" dosfstools-native syslinux-native mtools-native cdrtools-native"
+
+BDIR="${WORKDIR}/boot"
+ISODIR="${IMAGE_ROOTFS}/isolinux/"
+
+BOOTIMG_VOLUME_ID ?= "oe"
+BOOTIMG_EXTRA_SPACE ?= "64"
+
+# Get the build_syslinux_cfg() function from the syslinux class
+
+SYSLINUXCFG="${BDIR}/syslinux.cfg"
+SYSLINUXMENU="${BDIR}/menu"
+inherit syslinux
+               
+build_boot_bin() {
+       install -d ${BDIR}
+       install -m 0644 ${STAGING_KERNEL_DIR}/bzImage \
+       ${BDIR}/vmlinuz
+
+       if [ -n "${INITRD}" ] && [ -s "${INITRD}" ]; then 
+               install -m 0644 ${INITRD} ${BDIR}/initrd
+       fi
+
+       install -m 444 ${STAGING_DIR}/${BUILD_SYS}/share/syslinux/ldlinux.sys \
+       ${BDIR}/ldlinux.sys
+
+       # Do a little math, bash style
+       #BLOCKS=`du -s ${BDIR} | cut -f 1`
+       BLOCKS=`du -bks ${BDIR} | cut -f 1`
+       SIZE=`expr $BLOCKS + ${BOOTIMG_EXTRA_SPACE}`    
+
+       mkdosfs -F 12 -n ${BOOTIMG_VOLUME_ID} -d ${BDIR} \
+       -C ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}-boot.bin $SIZE 
+
+       syslinux ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}-boot.bin
+
+       #Create an ISO if we have an INITRD
+       if [ -n "${INITRD}" ] && [ -s "${INITRD}" ] && [ "${NOISO}" != "1" ] ; then
+               install -d ${ISODIR}
+
+               # Install the kernel
+
+               install -m 0644 ${STAGING_KERNEL_DIR}/bzImage \
+                       ${ISODIR}/vmlinuz
+
+               # Install the configuration files
+
+               cp ${BDIR}/syslinux.cfg ${ISODIR}/isolinux.cfg
+
+               if [ -f ${SYSLINUXMENU} ]; then
+                       cp ${SYSLINUXMENU} ${ISODIR}
+               fi
+
+               install -m 0644 ${INITRD} ${ISODIR}/initrd
+
+               # And install the syslinux stuff 
+               cp ${STAGING_DIR}/${BUILD_SYS}/share/syslinux/isolinux.bin \
+               ${ISODIR}
+
+               mkisofs -V ${BOOTIMG_VOLUME_ID} \
+               -o ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.iso \
+               -b isolinux/isolinux.bin -c isolinux/boot.cat -r \
+               -no-emul-boot -boot-load-size 4 -boot-info-table \
+               ${IMAGE_ROOTFS}
+       fi
+} 
+
+python do_bootimg() {
+       docfg = bb.data.getVar('AUTO_SYSLINUXCFG', d, 1)
+       if docfg:
+               bb.build.exec_func('build_syslinux_cfg', d)
+       bb.build.exec_func('build_boot_bin', d)
+}
+
+# We need to run after bootsplash if it exists, so thats why this line
+# is such.  Don't worry, if you don't do bootsplash, nobody will notice
+
+addtask bootimg before do_build after do_bootsplash
diff --git a/classes/syslinux.bbclass b/classes/syslinux.bbclass
new file mode 100644 (file)
index 0000000..2f5b6c4
--- /dev/null
@@ -0,0 +1,156 @@
+# syslinux.bbclass
+# Copyright (C) 2004-2006, Advanced Micro Devices, Inc.  All Rights Reserved
+# Released under the MIT license (see packages/COPYING)
+
+# This creates a configuration file suitable for use with syslinux.  
+
+python build_syslinux_menu () {
+       import copy
+       import sys
+
+       workdir = bb.data.getVar('WORKDIR', d, 1)
+       if not workdir:
+               bb.error("WORKDIR is not defined")
+               return
+               
+       labels = bb.data.getVar('LABELS', d, 1)
+       if not labels:
+               bb.debug(1, "LABELS not defined, nothing to do")
+               return
+       
+       if labels == []:
+               bb.debug(1, "No labels, nothing to do")
+               return
+
+       cfile = bb.data.getVar('SYSLINUXMENU', d, 1)
+       if not cfile:
+               raise bb.build.FuncFailed('Unable to read SYSLINUXMENU')
+
+       bb.mkdirhier(os.path.dirname(cfile))
+
+       try:
+               cfgfile = file(cfile, 'w')
+       except OSError:
+               raise bb.build.funcFailed('Unable to open %s' % (cfile))
+
+       # Beep the speaker and Clear the screen
+       cfgfile.write('\x07\x0C')
+
+       # The title should be configurable
+       cfgfile.write('AMD Geode Linux Boot Menu\n')
+       cfgfile.write('The following targets are available on this image:\n')
+       cfgfile.write('\n')
+
+       for label in labels.split():
+               from copy import deepcopy
+               localdata = deepcopy(d)
+
+               overrides = bb.data.getVar('OVERRIDES', localdata)
+               if not overrides:
+                       raise bb.build.FuncFailed('OVERRIDES not defined')
+               overrides = bb.data.expand(overrides, localdata)
+       
+               bb.data.setVar('OVERRIDES', label + ':' + overrides, localdata)
+               bb.data.update_data(localdata)
+
+               usage = bb.data.getVar('USAGE', localdata, 1)
+               cfgfile.write('  \x0F\x30\x3E%16s\x0F\x30\x37: ' % (label))
+               cfgfile.write('%s\n' % (usage))
+
+               del localdata
+
+       cfgfile.write('\n')
+       cfgfile.close()
+}
+
+python build_syslinux_cfg () {
+       import copy
+       import sys
+
+       workdir = bb.data.getVar('WORKDIR', d, 1)
+       if not workdir:
+               bb.error("WORKDIR not defined, unable to package")
+               return
+               
+       labels = bb.data.getVar('LABELS', d, 1)
+       if not labels:
+               bb.debug(1, "LABELS not defined, nothing to do")
+               return
+       
+       if labels == []:
+               bb.debug(1, "No labels, nothing to do")
+               return
+
+       cfile = bb.data.getVar('SYSLINUXCFG', d, 1)
+       if not cfile:
+               raise bb.build.FuncFailed('Unable to read SYSLINUXCFG')
+
+       bb.mkdirhier(os.path.dirname(cfile))
+
+       try:
+               cfgfile = file(cfile, 'w')
+       except OSError:
+               raise bb.build.funcFailed('Unable to open %s' % (cfile))
+
+       # FIXME - the timeout should be settable
+       # And maybe the default too
+       # Definately the prompt
+
+       cfgfile.write('# Automatically created by OE\n')
+
+       opts = bb.data.getVar('SYSLINUX_OPTS', d, 1)
+
+       if opts:
+               for opt in opts.split(';'):
+                       cfgfile.write('%s\n' % opt)
+               
+       cfgfile.write('ALLOWOPTIONS 1\n');
+       cfgfile.write('DEFAULT %s\n' % (labels.split()[0]))
+
+       timeout = bb.data.getVar('SYSLINUX_TIMEOUT', d, 1)
+
+       if timeout:
+               cfgfile.write('TIMEOUT %s\n' % timeout)
+       else:
+               cfgfile.write('TIMEOUT 50\n')
+
+       cfgfile.write('PROMPT 1\n')
+
+       menu = bb.data.getVar('AUTO_SYSLINUXMENU', d, 1)
+
+       # This is ugly.  My bad.
+
+       if menu:
+               bb.build.exec_func('build_syslinux_menu', d)
+               mfile = bb.data.getVar('SYSLINUXMENU', d, 1)
+               cfgfile.write('DISPLAY %s\n' % (mfile.split('/')[-1]) )
+       
+       for label in labels.split():
+               from copy import deepcopy
+               localdata = deepcopy(d)
+
+               overrides = bb.data.getVar('OVERRIDES', localdata)
+               if not overrides:
+                       raise bb.build.FuncFailed('OVERRIDES not defined')
+               overrides = bb.data.expand(overrides, localdata)
+       
+               bb.data.setVar('OVERRIDES', label + ':' + overrides, localdata)
+               bb.data.update_data(localdata)
+       
+               cfgfile.write('LABEL %s\nKERNEL vmlinuz\n' % (label))
+
+               append = bb.data.getVar('APPEND', localdata, 1)
+               initrd = bb.data.getVar('INITRD', localdata, 1)
+
+               if append:
+                       cfgfile.write('APPEND ')
+
+                       if initrd:
+                               cfgfile.write('initrd=initrd ')
+
+                       cfgfile.write('%s\n' % (append))
+       
+               del localdata
+       
+       cfgfile.close()
+}
diff --git a/conf/machine/db1200.conf b/conf/machine/db1200.conf
new file mode 100644 (file)
index 0000000..d46636c
--- /dev/null
@@ -0,0 +1,15 @@
+# Alchemy db1200
+
+TARGET_ARCH = "mipsel"
+IPKG_ARCHS = "${TARGET_ARCH} ${MACHINE}"
+
+PREFERRED_PROVIDERS += " virtual/${TARGET_PREFIX}depmod:module-init-tools-cross"
+
+SERIAL_CONSOLE="/dev/ttyS0 115200 vt100"
+USE_VT="0"
+
+TARGET_CC_ARCH="-march=mips32"
+
+FLASH_OFFSET="0xBC000000"
+#EXTRA_IMAGECMD_jffs2 = "--little-endian --eraseblock=0x10000 -q"
+EXTRA_IMAGECMD_jffs2 = "--little-endian --pad=0x3C00000 -q"
diff --git a/conf/machine/geodelx.conf b/conf/machine/geodelx.conf
new file mode 100644 (file)
index 0000000..841f4a8
--- /dev/null
@@ -0,0 +1,7 @@
+TARGET_ARCH = "i486"
+
+PREFERRED_PROVIDERS += " virtual/${TARGET_PREFIX}depmod:module-init-tools-cross"
+
+PREFERRED_PROVIDER_virtual/kernel="linux-geodelx"
+
+SELECTED_OPTIMIZATION_glibc := "${@'${SELECTED_OPTIMIZATION}'.replace('-fomit-frame-pointer', '')}"