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reorganize directory structure to allow making of an sd card image

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kit 2026-04-14 23:31:55 -04:00
parent 7515895a0f
commit 971bac7ec4
9 changed files with 1031 additions and 1620 deletions
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@ -0,0 +1,91 @@
COMPILER_BIN := $(shell pwd)/buildroot/output/host/bin
COMMON_MAKEOPTS := CROSS_COMPILE=${COMPILER_BIN}/arm-buildroot-linux-musleabi-
LINUX_MAKEOPTS := ${COMMON_MAKEOPTS} ARCH=arm
AT91BOOTSTRAP := ${COMMON_MAKEOPTS}
sdcard: output/rootfs.tar output/sd-kernel output/sd-boot.bin output/devicetree.dtb
@echo 'SD card things generated...'
@echo 'im not gonna bother making an image to write to the sd card'
@echo 'just copy sd-kernel and sd-boot.bin (rename to boot.bin) to the FAT partition'
@echo 'and extract rootfs.tar to the F2FS partition'
@echo 'if using the SD card image to write the QSPI image, make sure to copy those files too; xip-kernel and xip-boot.bin'
qspi: output/rootfs.cramfs output/xip-kernel output/xip-boot.bin output/devicetree.dtb
@echo 'QSPI things generated...'
@echo 'no image generated tho, youre on your own for that'
@echo 'as defined in the device tree, xip-boot.bin goes to 0, xip-kernel goes to 1, devicetree.dtb goes to 2, and rootfs.cramfs goes to 3.'
### LINUX
linux/arch/arm/boot/bzImage: .linux-bz.config .has_toolchain
output/sd-kernel: linux/arch/arm/boot/bzImage
linux/arch/arm/boot/xipImage: linux.config .has_toolchain
output/xip-kernel: linux/arch/arm/boot/xipImage
COPY_TARGETS+= output/sd-kernel output/xip-kernel
linux/arch/arm/boot/bzImage linux/arch/arm/boot/xipImage:
make -C linux ${LINUX_MAKEOPTS} KBUILD_CONFIG=../$< $@
.linux-bz.config: linux.config
sed -e 's/^CONFIG_XIP_KERNEL=y$/CONFIG_XIP_KERNEL=n/' $< > $@
make -C linux ${LINUX_MAKEOPTS} KBUILD_CONFIG=../$@ olddefconfig
.PHONY: linux-nconfig
linux-nconfig:
make -C linux ${LINUX_MAKEOPTS} KBUILD_CONFIG=../linux.config nconfig
### BUILDROOT
.has_toolchain: buildroot/.config
@test -e .has_toolchain && \
echo '.has_toolchain exists, not remaking toolchain.' && \
echo 'if you need to update the toolchain, remove the file.' || \
make -C buildroot ${BUILDROOT_MAKEOPTS} toolchain
touch .has_toolchain
output/rootfs.tar: buildroot/output/images/rootfs.tar
COPY_TARGETS+= output/rootfs.tar
# copy buildroot config
buildroot/.config: buildroot.config
COPY_TARGETS+= buildroot/.config
buildroot/output/images/rootfs.tar: buildroot/.config
make -C buildroot ${BUILDROOT_MAKEOPTS}
.PHONY: buildroot-nconfig
buildroot-nconfig: buildroot/.config
make -C buildroot ${BUILDROOT_MAKEOPTS} nconfig
cp buildroot/.config buildroot.config
### AT91BOOTSTRAP
output/sd-boot.bin: at91bootstrap-sd.config .has_toolchain
output/xip-boot.bin: at91bootstrap-xip.config .has_toolchain
output/sd-boot.bin output/xip-boot.bin:
cp $< at91bootstrap/.config
make -C at91bootstrap ${AT91BOOTSTRAP_MAKEOPTS} at91bootstrap/build/binaries/boot.bin
cp at91bootstrap/build/binaries/boot.bin $@
.PHONY: at91bootstrap-menuconfig-xip at91bootstrap-menuconfig-sd
at91bootstrap-menuconfig-xip: at91bootstrap-xip.config
at91bootstrap-menuconfig-sd: at91bootstrap-sd.config
at91bootstrap-menuconfig-xip at91bootstrap-menuconfig-sd:
cp $< at91bootstrap/.config
make -C at91bootstrap ${AT91BOOTSTRAP_MAKEOPTS} menuconfig
cp at91bootstrap/.config $<
$(COPY_TARGETS):
cp $< $@