[Buildroot] [PATCH] add support for micromonitor bootloader

[Ulf Samuelsson]

> The following patch adds support for the Microcross Micromonitor
> (uMon) bootloader.
> Josh
> 
> 

Does this work for all targets, or do we want to only
enable the configuration for those targets which
actually can build uMon?

Best Regards
Ulf Samuelsson


> diff -purN buildroot/target/Config.in buildroot-umon/target/Config.in
> --- buildroot/target/Config.in 2008-03-31 00:15:26.000000000 -0700
> +++ buildroot-umon/target/Config.in 2008-03-31 22:22:09.000000000 -0700
> @@ -19,6 +19,7 @@ source "target/x86/grub/Config.in"
> source "target/x86/syslinux/Config.in"
> source "target/powerpc/yaboot/Config.in"
> source "target/u-boot/Config.in"
> +source "target/umon/Config.in"
> endmenu
> 
> menu "Kernel"
> diff -purN buildroot/target/Makefile.in buildroot-umon/target/Makefile.in
> --- buildroot/target/Makefile.in 2008-03-31 00:15:26.000000000 -0700
> +++ buildroot-umon/target/Makefile.in 2008-03-31 22:22:30.000000000 -0700
> @@ -15,6 +15,10 @@ ifeq ($(strip $(BR2_TARGET_UBOOT)),y)
> include target/u-boot/Makefile.in
> endif
> 
> +ifeq ($(strip $(BR2_TARGET_UMON)),y)
> +include target/umon/Makefile.in
> +endif
> +
> # and finally build the filesystems/tarballs
> include target/*/*.mk
> 
> diff -purN buildroot/target/umon/Config.in buildroot-umon/target/umon/Config.in
> --- buildroot/target/umon/Config.in 1969-12-31 16:00:00.000000000 -0800
> +++ buildroot-umon/target/umon/Config.in 2008-03-31 22:18:49.000000000 -0700
> @@ -0,0 +1,20 @@
> +config BR2_TARGET_UMON
> + bool "Micromonitor Boot Loader"
> + default n
> + help
> +   Build uMon bootloader.
> +
> +config BR2_TARGET_UMON_PORT
> + string "port name"
> + depends on BR2_TARGET_UMON
> + default "$(BOARD_NAME)"
> + help
> +   uMon port name. This is the name of the directory under umon_ports.
> +
> +config BR2_TARGET_UMON_CUSTOM_PATCH
> + string "custom patch"
> + depends on BR2_TARGET_UMON
> + help
> +   If your board requires a custom patch, add the path to the file here.
> +   Most users may leave this empty.
> +
> diff -purN buildroot/target/umon/Makefile.in
> buildroot-umon/target/umon/Makefile.in
> --- buildroot/target/umon/Makefile.in 1969-12-31 16:00:00.000000000 -0800
> +++ buildroot-umon/target/umon/Makefile.in 2008-03-31 22:18:49.000000000 -0700
> @@ -0,0 +1,66 @@
> +#############################################################
> +#
> +# umon
> +#
> +#############################################################
> +UMON_VERSION:=sep8_2007
> +UMON_SOURCE:=umon_$(UMON_VERSION).tgz
> +UMON_SITE:=http://microcross.com
> +UMON_PORT:=$(strip $(subst ",,$(BR2_TARGET_UMON_PORT)))
> +UMON_DIR:=$(PROJECT_BUILD_DIR)/umon/umon_ports/$(UMON_PORT)
> +UMON_HOST_DIR:=$(PROJECT_BUILD_DIR)/umon/umon_main/host
> +UMON_PATCH_DIR:=$(PROJECT_BUILD_DIR)/umon-patches
> +UMON_CAT:=$(ZCAT)
> +UMON_BIN:=boot.bin
> +UMON_TOP:=$(PROJECT_BUILD_DIR)/umon/umon_main
> +# this is a nasty hack to get the PLATFORM variable from the makefile
> +UMON_PLATFORM:=$$(grep '^PLATFORM.*=' $(UMON_DIR)/makefile | sed
> 's@^PLATFORM.*=@@')
> +
> +$(DL_DIR)/$(UMON_SOURCE):
> + $(WGET) -P $(DL_DIR) $(UMON_SITE)/$(UMON_SOURCE)
> +
> +$(UMON_DIR)/.unpacked: $(DL_DIR)/$(UMON_SOURCE)
> + $(UMON_CAT) $(DL_DIR)/$(UMON_SOURCE) \
> + | tar -C $(PROJECT_BUILD_DIR) $(TAR_OPTIONS) -
> + touch $@
> +
> +$(UMON_DIR)/.patched: $(UMON_DIR)/.unpacked
> +ifneq ($(strip $(BR2_TARGET_UMON_CUSTOM_PATCH)),"")
> + @mkdir -p $(UMON_PATCH_DIR)
> + cp -dpr $(BR2_TARGET_UMON_CUSTOM_PATCH) $(UMON_PATCH_DIR)
> + toolchain/patch-kernel.sh $(PROJECT_BUILD_DIR)/umon $(UMON_PATCH_DIR) *.patch
> +endif
> + touch $@
> +
> +$(UMON_DIR)/build_$(UMON_PLATFORM)/$(UMON_BIN): $(UMON_DIR)/.patched
> + $(MAKE) -C $(UMON_HOST_DIR) UMON_TOP=$(UMON_TOP) OSTYPE=linux install
> + $(MAKE) $(TARGET_CONFIGURE_OPTS) -C $(UMON_DIR) UMONTOP=$(UMON_TOP)
> +
> +$(BINARIES_DIR)/$(UMON_BIN): $(UMON_DIR)/build_$(UMON_PLATFORM)/$(UMON_BIN)
> + cp $(UMON_DIR)/build_$(UMON_PLATFORM)/$(UMON_BIN) $(BINARIES_DIR)/$(UMON_BIN)
> +
> +umon: $(BINARIES_DIR)/$(UMON_BIN)
> +
> +umon-clean:
> + $(MAKE) -C $(UMON_DIR) clean
> +
> +umon-dirclean:
> + rm -rf $(UMON_DIR)
> +
> +umon-source: $(DL_DIR)/$(UMON_SOURCE)
> +
> +#############################################################
> +#
> +# Toplevel Makefile options
> +#
> +#############################################################
> +ifeq ($(strip $(BR2_TARGET_UMON)),y)
> +TARGETS+=umon
> +endif
> +
> +umon-status:
> + @echo
> + @echo BR2_TARGET_UMON_PORT = $(BR2_TARGET_UMON_PORT)
> + @echo BR2_TARGET_UMON_CUSTOM_PATCH = $(BR2_TARGET_UMON_CUSTOM_PATCH)
> + @echo
> + @exit 0
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