tools: add kernel2minor utility for Mikrotik devices

This patch adds support of Mikrotik yaffs2 filesystem image for kernel file
and tools/kernel2minor package.
We neede this to boot kernel through RouterBoot on new Mikrotik NOR flash devices.

Signed-off-by: Sergey Sergeev <adron@yapic.net>

scripts/target-metadata.pl

@@ -27,6 +27,7 @@ sub target_config_features(@) {
 		/ext4/ and $ret .= "\tselect USES_EXT4\n";
 		/targz/ and $ret .= "\tselect USES_TARGZ\n";
 		/cpiogz/ and $ret .= "\tselect USES_CPIOGZ\n";
+		/minor/ and $ret .= "\tselect USES_MINOR\n";
 		/ubifs/ and $ret .= "\tselect USES_UBIFS\n";
 		/fpu/ and $ret .= "\tselect HAS_FPU\n";
 		/spe_fpu/ and $ret .= "\tselect HAS_SPE_FPU\n";

target/Config.in

@@ -63,6 +63,9 @@ config USES_TARGZ
 config USES_CPIOGZ
 	bool
 
+config USES_MINOR
+	bool
+
 config USES_UBIFS
 	bool
 	select NAND_SUPPORT

target/linux/ar71xx/mikrotik/target.mk

@@ -1,5 +1,5 @@
-BOARDNAME:=Mikrotik devices with NAND flash
-FEATURES += targz ramdisk
+BOARDNAME:=Mikrotik devices with NAND/NOR flash
+FEATURES += targz ramdisk minor
 
 define Target/Description
 	Build firmware images for Atheros AR71xx/AR913x based Mikrotik boards.

tools/Makefile

@@ -38,6 +38,7 @@ tools-$(CONFIG_TARGET_x86) += qemu
 tools-$(CONFIG_TARGET_mxs) += elftosb sdimage
 tools-$(CONFIG_TARGET_brcm2708)$(CONFIG_TARGET_sunxi)$(CONFIG_TARGET_mxs)$(CONFIG_TARGET_omap) += mtools dosfstools
 tools-$(CONFIG_TARGET_ar71xx) += lzma-old squashfs
+tools-$(CONFIG_USES_MINOR) += kernel2minor
 tools-y += lzma squashfs4
 tools-$(BUILD_B43_TOOLS) += b43-tools
 tools-$(BUILD_PPL_CLOOG) += ppl cloog

tools/kernel2minor/Makefile

@@ -0,0 +1,31 @@
+#
+# Copyright (C) 2016 adron@yapic.net
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=kernel2minor
+PKG_VERSION:=0.22
+PKG_RELEASE:=1
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
+PKG_SOURCE_URL:=https://github.com/adron-s/kernel2minor.git
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
+PKG_SOURCE_VERSION:=0587740de3e398dbe89d965334c492609cb9739d
+
+HOST_BUILD_DIR:=$(BUILD_DIR_HOST)/$(PKG_NAME)-$(PKG_VERSION)
+
+include $(INCLUDE_DIR)/host-build.mk
+
+define Host/Install
+	$(INSTALL_BIN) $(HOST_BUILD_DIR)/kernel2minor $(STAGING_DIR_HOST)/bin/
+endef
+
+define Host/Clean
+	rm -f $(STAGING_DIR_HOST)/bin/kernel2minor
+endef
+
+$(eval $(call HostBuild))