ar71xx: add comments for Image/BuildLoader{, Alone}.

Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>

SVN-Revision: 42990
master
John Crispin 10 years ago
parent 6e1637f8fa
commit 182d63bc40
  1. 17
      target/linux/ar71xx/image/Makefile

@ -215,6 +215,14 @@ define ubinize
( cd $(2); $(STAGING_DIR_HOST)/bin/ubinize -o $(3) -p $(4) -m $(5) $(6) $(1))
endef
#
# Embed lzma-compressed kernel inside lzma-loader.
#
# $(1), suffix of output filename, e.g. generic, lowercase board name, etc.
# $(2), suffix of target file to build, e.g. bin, gz, elf
# $(3), kernel command line to pass from lzma-loader to kernel
# $(4), unused here
# $(5), suffix of kernel filename, e.g. -initramfs, or empty
define Image/BuildLoader
-rm -rf $(KDIR)/lzma-loader
$(LOADER_MAKE) LOADER=loader-$(1).$(2) KERNEL_CMDLINE="$(3)"\
@ -224,6 +232,13 @@ define Image/BuildLoader
-$(CP) $(KDIR)/loader-$(1).$(2) $(KDIR)/loader-$(1)$(5).$(2)
endef
#
# Build lzma-loader alone which will search for lzma-compressed kernel identified by
# uImage header with magic "OKLI" at boot time.
#
# $(4), offset into the flash space to start searching uImage magic "OKLI".
# $(5), size of search range starting at $(4). With 0 as the value, uImage
# header is expected to be at precisely $(4)
define Image/BuildLoaderAlone
-rm -rf $(KDIR)/lzma-loader
$(LOADER_MAKE) LOADER=loader-$(1).$(2) KERNEL_CMDLINE="$(3)" \
@ -1015,6 +1030,8 @@ define Image/Build/Zcomax
endef
# $(1): template name to be defined, etc. squashfs-only, 64k, 64kraw, etc.
# $(2): jffs2 blocksize.
define Jffs2Template
define Image/Build/Template/$(1)/jffs2-$(2)
$$(call Image/Build/$$(1),jffs2-$(2),$$(2),$$(3),$$(4),$$(5),$$(6),$$(7),$$(8),$$(9),$$(10))

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