From: Florian Fainelli <f.fainelli@gmail.com>
Date: Wed, 11 Sep 2013 10:51:41 +0000 (+0100)
Subject: MIPS: ZBOOT: Support XZ compression scheme
X-Git-Tag: omap-for-v3.13/fixes-for-merge-window-take2~57^2~36
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4e23eb631c84090d2122a0f8c4a331b8e0ba0d99;p=pandora-kernel.git

MIPS: ZBOOT: Support XZ compression scheme

Add support for the XZ compression scheme in the ZBOOT decompression
stub, in order to support it we need to:

- select the "xzkern" compression tool to compress the vmlinux.bin
  payload
- link with ashldi3.o for xz_dec_run() to work
- memcpy() is also required for decompress_unxz.c so we share the
  implementation between GZIP and XZ

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: blogic@openwrt.org
Cc: james.hogan@imgtec.com
Patchwork: https://patchwork.linux-mips.org/patch/5818/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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