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authorScott Rifenbark <scott.m.rifenbark@intel.com>2014-03-07 16:46:01 -0600
committerRichard Purdie <richard.purdie@linuxfoundation.org>2014-03-25 12:29:38 +0000
commita41113c94f1e959c15a21b1ed40c44cfcca0338f (patch)
tree7e4091f80d02088ba1aa4ddeda69168758d84920 /documentation/ref-manual/ref-variables.xml
parentbcd9917f8d8b70f244815ea3136a7082c2cba2aa (diff)
downloadpoky-a41113c94f1e959c15a21b1ed40c44cfcca0338f.tar.gz
ref-manual: Added CONFIG_INITRAMFS_SOURCE and edited INITRAMFS_IMAGE_BUNDLE variables.
Fixes [YOCTO #4072] Added the new variable CONFIG_INITRAMFS_SOURCE, which points to the initramfs source. I also added information to the INITRAMFS_IMAGE_BUNDLE variable noting how its use can avoid circular dependencies as described by the bug. (From yocto-docs rev: 73267642299d1164eeee5866e7ca7006c56260e5) Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'documentation/ref-manual/ref-variables.xml')
-rw-r--r--documentation/ref-manual/ref-variables.xml39
1 files changed, 39 insertions, 0 deletions
diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index 1cdf902d08..9420050f06 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -1293,6 +1293,38 @@
1293 </glossdef> 1293 </glossdef>
1294 </glossentry> 1294 </glossentry>
1295 1295
1296 <glossentry id='var-CONFIG_INITRAMFS_SOURCE'><glossterm>CONFIG_INITRAMFS_SOURCE</glossterm>
1297 <glossdef>
1298 <para>
1299 Identifies the initial RAM disk (initramfs) source files.
1300 The OpenEmbedded build system receives and uses
1301 this kernel Kconfig variable as an environment variable.
1302 By default, the variable is set to null ("").
1303 </para>
1304
1305 <para>
1306 The <filename>CONFIG_INITRAMFS_SOURCE</filename> can be
1307 either a single cpio archive with a
1308 <filename>.cpio</filename> suffix or a
1309 space-separated list of directories and files for building
1310 the initramfs image.
1311 A cpio archive should contain a filesystem archive
1312 to be used as an initramfs image.
1313 Directories should contain a filesystem layout to be
1314 included in the initramfs image.
1315 Files should contain entries according to the format
1316 described by the
1317 <filename>usr/gen_init_cpio</filename> program in the
1318 kernel tree.
1319 </para>
1320
1321 <para>
1322 If you specify multiple directories and files, the
1323 initramfs image will be the aggregate of all of them.
1324 </para>
1325 </glossdef>
1326 </glossentry>
1327
1296 <glossentry id='var-CONFIG_SITE'><glossterm>CONFIG_SITE</glossterm> 1328 <glossentry id='var-CONFIG_SITE'><glossterm>CONFIG_SITE</glossterm>
1297 <glossdef> 1329 <glossdef>
1298 <para> 1330 <para>
@@ -3312,6 +3344,13 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
3312 is run through an extra pass during kernel compilation 3344 is run through an extra pass during kernel compilation
3313 in order to build a single binary that contains both the 3345 in order to build a single binary that contains both the
3314 kernel image and the initial RAM disk (initramfs). 3346 kernel image and the initial RAM disk (initramfs).
3347 Using an extra compilation pass ensures that when a kernel
3348 attempts to use an initramfs, it does not encounter
3349 circular dependencies should the initramfs include kernel
3350 modules.
3351 </para>
3352
3353 <para>
3315 The combined binary is deposited into the 3354 The combined binary is deposited into the
3316 <filename>tmp/deploy</filename> directory, which is part 3355 <filename>tmp/deploy</filename> directory, which is part
3317 of the 3356 of the