code.vuplus.com Git - vuplus_openembedded/blob - classes/kernel.oeclass

   1 PROVIDES += "virtual/kernel"
   2 DEPENDS += "virtual/${TARGET_PREFIX}depmod virtual/${TARGET_PREFIX}gcc${KERNEL_CCSUFFIX} update-modules"
   3
   4 export ARCH = "${TARGET_ARCH}"
   5 export OS = "${TARGET_OS}"
   6 export CROSS_COMPILE = "${TARGET_PREFIX}"
   7 KERNEL_IMAGETYPE = "zImage"
   8
   9 KERNEL_PRIORITY = "${@oe.data.getVar('PV',d,1).split('-')[0].split('.')[-1]}"
  10
  11 KERNEL_CCSUFFIX ?= ""
  12 KERNEL_LDSUFFIX ?= ""
  13
  14 KERNEL_CC = "${CCACHE}${HOST_PREFIX}gcc${KERNEL_CCSUFFIX}"
  15 KERNEL_LD = "${LD}${KERNEL_LDSUFFIX}"
  16
  17 KERNEL_OUTPUT = "arch/${ARCH}/boot/${KERNEL_IMAGETYPE}"
  18 KERNEL_IMAGEDEST = "boot"
  19
  20 #
  21 # configuration
  22 #
  23 export CMDLINE_CONSOLE = "console=${@oe.data.getVar("KERNEL_CONSOLE",d,1) or "ttyS0"}"
  24
  25 # parse kernel ABI version out of <linux/version.h>
  26 def get_kernelversion(p):
  27         import re
  28         try:
  29                 f = open(p, 'r')
  30         except IOError:
  31                 return None
  32         l = f.readlines()
  33         f.close()
  34         r = re.compile("#define UTS_RELEASE \"(.*)\"")
  35         for s in l:
  36                 m = r.match(s)
  37                 if m:
  38                         return m.group(1)
  39         return None
  40
  41 KERNEL_VERSION = "${@get_kernelversion('${S}/include/linux/version.h')}"
  42
  43 kernel_do_compile() {
  44         unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS
  45         oe_runmake include/linux/version.h CC="${KERNEL_CC}" LD="${KERNEL_LD}"
  46         oe_runmake dep CC="${KERNEL_CC}" LD="${KERNEL_LD}"
  47         oe_runmake ${KERNEL_IMAGETYPE} CC="${KERNEL_CC}" LD="${KERNEL_LD}"
  48         if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
  49                 oe_runmake modules  CC="${KERNEL_CC}" LD="${KERNEL_LD}"
  50         else
  51                 oenote "no modules to compile"
  52         fi
  53 }
  54
  55 kernel_do_stage() {
  56         install -d ${STAGING_KERNEL_DIR}/include/{asm,asm-generic,linux,net,pcmcia}
  57         cp -fR include/linux/* ${STAGING_KERNEL_DIR}/include/linux/
  58         cp -fR include/asm/* ${STAGING_KERNEL_DIR}/include/asm/
  59         cp -fR include/asm-generic/* ${STAGING_KERNEL_DIR}/include/asm-generic/
  60         cp -fR include/net/* ${STAGING_KERNEL_DIR}/include/net/
  61         cp -fR include/pcmcia/* ${STAGING_KERNEL_DIR}/include/pcmcia/
  62         install -m 0644 .config ${STAGING_KERNEL_DIR}/config-${PV}
  63         ln -sf config-${PV} ${STAGING_KERNEL_DIR}/.config
  64         ln -sf config-${PV} ${STAGING_KERNEL_DIR}/kernel-config
  65         echo "${KERNEL_VERSION}" >${STAGING_KERNEL_DIR}/kernel-abiversion
  66         echo "${S}" >${STAGING_KERNEL_DIR}/kernel-source
  67         echo "${KERNEL_CCSUFFIX}" >${STAGING_KERNEL_DIR}/kernel-ccsuffix
  68         echo "${KERNEL_LDSUFFIX}" >${STAGING_KERNEL_DIR}/kernel-ldsuffix
  69         [ -e Rules.make ] && install -m 0644 Rules.make ${STAGING_KERNEL_DIR}/
  70         [ -e Makefile ] && install -m 0644 Makefile ${STAGING_KERNEL_DIR}/
  71
  72         # Check if arch/${ARCH}/Makefile exists and install it
  73         if [ -e arch/${ARCH}/Makefile ]; then
  74                 install -d ${STAGING_KERNEL_DIR}/arch/${ARCH}
  75                 install -m 0644 arch/${ARCH}/Makefile ${STAGING_KERNEL_DIR}/arch/${ARCH}
  76         fi
  77         cp -fR scripts ${STAGING_KERNEL_DIR}/
  78         cp -fR include/config* ${STAGING_KERNEL_DIR}/include/
  79         install -m 0644 ${KERNEL_OUTPUT} ${STAGING_KERNEL_DIR}/${KERNEL_IMAGETYPE}
  80         install -m 0644 System.map ${STAGING_KERNEL_DIR}/System.map-${PV}
  81 }
  82
  83 kernel_do_install() {
  84         unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS
  85         if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
  86                 oe_runmake DEPMOD=echo INSTALL_MOD_PATH="${D}" modules_install
  87         else
  88                 oenote "no modules to install"
  89         fi
  90
  91         install -d ${D}/${KERNEL_IMAGEDEST}
  92         install -d ${D}/boot
  93         install -m 0644 ${KERNEL_OUTPUT} ${D}/${KERNEL_IMAGEDEST}/${KERNEL_IMAGETYPE}-${PV}
  94         install -m 0644 System.map ${D}/boot/System.map-${PV}
  95         install -m 0644 .config ${D}/boot/config-${PV}
  96         install -d ${D}/etc/modutils
  97 }
  98
  99 kernel_do_configure() {
 100         yes '' | oe_runmake oldconfig
 101 }
 102
 103 pkg_postinst_kernel () {
 104         update-alternatives --install /${KERNEL_IMAGEDEST}/zImage zImage /${KERNEL_IMAGEDEST}/zImage-${PV} ${KERNEL_PRIORITY} || true
 105 }
 106
 107 pkg_postrm_kernel () {
 108         update-alternatives --remove zImage /${KERNEL_IMAGEDEST}/zImage-${PV} || true
 109 }
 110
 111 inherit cml1
 112
 113 EXPORT_FUNCTIONS do_compile do_install do_stage do_configure
 114
 115 PACKAGES = "kernel"
 116 FILES = ""
 117 FILES_kernel = "/boot"
 118
 119 pkg_postinst_modules () {
 120 if [ -n "$D" ]; then
 121         ${HOST_PREFIX}depmod -A -b $D -F ${STAGING_KERNEL_DIR}/System.map-${PV} ${KERNEL_VERSION}
 122 else
 123         depmod -A
 124         update-modules || true
 125 fi
 126 }
 127
 128 pkg_postrm_modules () {
 129 update-modules || true
 130 }
 131
 132 autoload_postinst_fragment() {
 133 if [ x"$D" = "x" ]; then
 134         modprobe %s
 135 fi
 136 }
 137
 138 # defaults
 139 module_autoload_ipv6 = "ipv6"
 140 module_autoload_ipsec = "ipsec"
 141 module_conf_bluez = "alias net-pf-31 bluez"
 142 module_conf_l2cap = "alias bt-proto-0 l2cap"
 143 module_conf_sco = "alias bt-proto-2 sco"
 144 module_conf_rfcomm = "alias bt-proto-3 rfcomm"
 145 module_conf_bnep = "alias bt-proto-4 bnep"
 146 module_conf_hci_uart = "alias tty-ldisc-15 hci_uart"
 147
 148 python populate_packages_prepend () {
 149         def extract_modinfo(file):
 150                 import os, re
 151                 tmpfile = os.tmpnam()
 152                 cmd = "PATH=\"%s\" %sobjcopy -j .modinfo -O binary %s %s" % (oe.data.getVar("PATH", d, 1), oe.data.getVar("HOST_PREFIX", d, 1) or "", file, tmpfile)
 153                 os.system(cmd)
 154                 f = open(tmpfile)
 155                 l = f.read().split("\000")
 156                 f.close()
 157                 os.unlink(tmpfile)
 158                 exp = re.compile("([^=]+)=(.*)")
 159                 vals = {}
 160                 for i in l:
 161                         m = exp.match(i)
 162                         if not m:
 163                                 continue
 164                         vals[m.group(1)] = m.group(2)
 165                 return vals
 166
 167         def parse_depmod():
 168                 import os, re
 169
 170                 dvar = oe.data.getVar('D', d, 1)
 171                 if not dvar:
 172                         oe.error("D not defined")
 173                         return
 174
 175                 kernelver = oe.data.getVar('PV', d, 1)
 176                 kernelver_stripped = kernelver
 177                 m = re.match('^(.*-hh.*)\..*$', kernelver)
 178                 if m:
 179                         kernelver_stripped = m.group(1)
 180                 path = oe.data.getVar("PATH", d, 1)
 181                 host_prefix = oe.data.getVar("HOST_PREFIX", d, 1) or ""
 182
 183                 cmd = "PATH=\"%s\" %sdepmod -n -a -r -b %s -F %s/boot/System.map-%s %s" % (path, host_prefix, dvar, dvar, kernelver, kernelver_stripped)
 184                 f = os.popen(cmd, 'r')
 185
 186                 deps = {}
 187                 pattern0 = "^(.*\.o):..*$"
 188                 pattern1 = "^(.*\.o):\t(.*\.o)$"
 189                 pattern2 = "^(.*\.o):\t(.*\.o) \\\$"
 190                 pattern3 = "^\t(.*\.o) \\\$"
 191                 pattern4 = "^\t(.*\.o)$"
 192
 193                 line = f.readline()
 194                 while line:
 195                         if not re.match(pattern0, line):
 196                                 line = f.readline()
 197                                 continue
 198                         m1 = re.match(pattern1, line)
 199                         if m1:
 200                                 deps[m1.group(1)] = [m1.group(2)]
 201                         else:
 202                                 m2 = re.match(pattern2, line)
 203                                 if m2:
 204                                         deps[m2.group(1)] = [m2.group(2)]
 205                                         line = f.readline()
 206                                         m3 = re.match(pattern3, line)
 207                                         while m3:
 208                                                 deps[m2.group(1)].append(m3.group(1))
 209                                                 line = f.readline()
 210                                                 m3 = re.match(pattern3, line)
 211                                         m4 = re.match(pattern4, line)
 212                                         deps[m2.group(1)].append(m4.group(1))
 213                         line = f.readline()
 214                 f.close()
 215                 return deps
 216
 217         def get_dependencies(file, pattern, format):
 218                 file = file.replace(oe.data.getVar('D', d, 1) or '', '', 1)
 219
 220                 if module_deps.has_key(file):
 221                         import os.path, re
 222                         dependencies = []
 223                         for i in module_deps[file]:
 224                                 m = re.match(pattern, os.path.basename(i))
 225                                 if not m:
 226                                         continue
 227                                 on = legitimize_package_name(m.group(1))
 228                                 dependencies.append(format % on)
 229                         return dependencies
 230                 return []
 231
 232         def frob_metadata(file, pkg, pattern, format, basename):
 233                 import re
 234                 vals = extract_modinfo(file)
 235
 236                 dvar = oe.data.getVar('D', d, 1)
 237
 238                 # If autoloading is requested, output /etc/modutils/<name> and append
 239                 # appropriate modprobe commands to the postinst
 240                 autoload = oe.data.getVar('module_autoload_%s' % basename, d, 1)
 241                 if autoload:
 242                         name = '%s/etc/modutils/%s' % (dvar, basename)
 243                         f = open(name, 'w')
 244                         for m in autoload.split():
 245                                 f.write('%s\n' % m)
 246                         f.close()
 247                         postinst = oe.data.getVar('pkg_postinst_%s' % pkg, d, 1)
 248                         if not postinst:
 249                                 oe.fatal("pkg_postinst_%s not defined" % pkg)
 250                         postinst += oe.data.getVar('autoload_postinst_fragment', d, 1) % autoload
 251                         oe.data.setVar('pkg_postinst_%s' % pkg, postinst, d)
 252
 253                 # Write out any modconf fragment
 254                 modconf = oe.data.getVar('module_conf_%s' % basename, d, 1)
 255                 if modconf:
 256                         name = '%s/etc/modutils/%s.conf' % (dvar, basename)
 257                         f = open(name, 'w')
 258                         f.write("%s\n" % modconf)
 259                         f.close()
 260
 261                 files = oe.data.getVar('FILES_%s' % pkg, d, 1)
 262                 files = "%s /etc/modutils/%s /etc/modutils/%s.conf" % (files, basename, basename)
 263                 oe.data.setVar('FILES_%s' % pkg, files, d)
 264
 265                 if vals.has_key("description"):
 266                         old_desc = oe.data.getVar('DESCRIPTION_' + pkg, d, 1) or ""
 267                         oe.data.setVar('DESCRIPTION_' + pkg, old_desc + "; " + vals["description"], d)
 268
 269                 rdepends_str = oe.data.getVar('RDEPENDS_' + pkg, d, 1)
 270                 if rdepends_str:
 271                         rdepends = rdepends_str.split()
 272                 else:
 273                         rdepends = []
 274                 rdepends.extend(get_dependencies(file, pattern, format))
 275                 oe.data.setVar('RDEPENDS_' + pkg, ' '.join(rdepends), d)
 276
 277         module_deps = parse_depmod()
 278         module_regex = '^(.*)\.k?o$'
 279         module_pattern = 'kernel-module-%s'
 280
 281         postinst = oe.data.getVar('pkg_postinst_modules', d, 1)
 282         postrm = oe.data.getVar('pkg_postrm_modules', d, 1)
 283         do_split_packages(d, root='/lib/modules', file_regex=module_regex, output_pattern=module_pattern, description='%s kernel module', postinst=postinst, postrm=postrm, recursive=True, hook=frob_metadata, extra_depends='update-modules')
 284
 285         import re, os
 286         metapkg = "kernel-modules"
 287         oe.data.setVar('ALLOW_EMPTY_' + metapkg, "1", d)
 288         oe.data.setVar('FILES_' + metapkg, "", d)
 289         blacklist = []
 290         for l in module_deps.values():
 291                 for i in l:
 292                         pkg = module_pattern % legitimize_package_name(re.match(module_regex, os.path.basename(i)).group(1))
 293                         blacklist.append(pkg)
 294         metapkg_rdepends = []
 295         packages = oe.data.getVar('PACKAGES', d, 1).split()
 296         for pkg in packages[1:]:
 297                 if not pkg in blacklist and not pkg in metapkg_rdepends:
 298                         metapkg_rdepends.append(pkg)
 299         oe.data.setVar('RDEPENDS_' + metapkg, ' '.join(metapkg_rdepends), d)
 300         oe.data.setVar('DESCRIPTION_' + metapkg, 'Kernel modules meta package', d)
 301         packages.append(metapkg)
 302         oe.data.setVar('PACKAGES', ' '.join(packages), d)
 303 }