kernel-sharespace Makefile

srcdir = $(shell pwd)
kernel_src = $(srcdir)/linux-source-3.2-sharespace
arch_src = $(kernel_src)/arch/arm
mach_src = $(arch_src)/mach-orion5x
z_image = $(arch_src)/boot/zImage
u_image = $(arch_src)/boot/uImage
make_args = ARCH=arm CROSS_COMPILE=arm-linux-gnueabi-
mkimage = $(kernel_src)/scripts/mkuboot.sh

include $(mach_src)/Makefile.boot

LOADADDR = $(zreladdr-y)
STARTADDR = $(LOADADDR)

all: uImage_hack

uImage_hack: uImage
    rm uImage
    cat mach-id $(z_image) > zImage
    $(mkimage) -A arm -O linux -T kernel \
        -C none -a $(LOADADDR) -e $(STARTADDR) \
        -n 'Linux-Sharespace' -d zImage uImage
    rm zImage

tftp_install:
    cp uImage /srv/tftp

uImage: $(kernel_src)/.config mach-id FORCE
    $(MAKE) -C $(kernel_src) $(make_args) uImage
    cp $(u_image) uImage

$(kernel_src)/.config mach-id:
    echo "No config found"
    false

%_config: $(srcdir)/configs/% $(arch_src)/tools/mach-types
# find mach-id
    @machtype=$$(sed -n 's/^$*.*\s\([0-9]*\)$$/\1/p' $(arch_src)/tools/mach-types); \
    if [ "x$$machtype" = "x" ]; then \
        echo "Could not find mach type for $*"; \
        false; \
    else \
        magic=$$(echo "obase=16; $$machtype" | bc); \
        len=$$(expr length $$magic); \
        sepa=$$(expr $$len - 2); \
        sepb=$$(expr $$sepa + 1); \
        magica=$$(expr substr $$magic 1 $$sepa); \
        magicb=$$(expr substr $$magic $$sepb $$len); \
        len=$$(expr length $$magica); \
        [ $$len -lt 2 ] && magica="0$$magica"; \
        echo "devio > mach-id \"wl 0xe3a01c$$magica,4\" \"wl 0xe38110$$magicb,4\""; \
        devio > mach-id "wl 0xe3a01c$$magica,4" "wl 0xe38110$$magicb,4"; \
        echo "cp $< $(kernel_src)/.config"; \
        cp $< $(kernel_src)/.config; \
    fi

FORCE: