ar71xx: add Image/BuildLoaderPatched macro

[openwrt/staging/mkresin.git] / target / linux / ar71xx / image / Makefile

diff --git a/target/linux/ar71xx/image/Makefile b/target/linux/ar71xx/image/Makefile
index f32bc593591835d540b05fd3f71622dec789ae0f..fc66908d64fed5ca2b6064f6126bb2f68efa4a6f 100644 (file)
--- a/target/linux/ar71xx/image/Makefile
+++ b/target/linux/ar71xx/image/Makefile
@@ -841,6 +841,28 @@ define Image/BuildLoader
        -$(CP) $(KDIR)/loader-$(1).$(2) $(KDIR)/loader-$(1)$(5).$(2)
 endef
 
+#
+# Embed patched lzma-compressed kernel inside lzma-loader.
+#
+# Specifying the command line via the lzma-loader doesn't work with some
+# models (like the TP-LINK CPE series), so this version first patches the
+# command line in the image and then builds the loader around it.
+#
+# $(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/BuildLoaderPatched
+       $(call PatchKernelLzma,$(1),$(3))
+       -rm -rf $(KDIR)/lzma-loader
+       $(LOADER_MAKE) LOADER=loader-$(1).$(2) \
+               LZMA_TEXT_START=0x80a00000 LOADADDR=0x80060000 \
+               LOADER_DATA="$(KDIR_TMP)/vmlinux-$(1)$(5).bin.lzma" BOARD="$(1)" \
+               compile loader.$(2)
+       -$(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.