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Line 100... |
# Create the Linux build directory
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# Create the Linux build directory
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test -e ${LINUX_WORK_DIR} || mkdir ${LINUX_WORK_DIR}
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test -e ${LINUX_WORK_DIR} || mkdir ${LINUX_WORK_DIR}
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cd ${LINUX_WORK_DIR}
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cd ${LINUX_WORK_DIR}
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# Need root permissions to mount disks
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# Need root permissions to mount disks
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su root
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sudo dd if=/dev/zero of=initrd bs=200k count=1
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dd if=/dev/zero of=initrd bs=200k count=1
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#sudo dd if=/dev/zero of=initrd bs=400k count=1
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mke2fs -F -m0 -b 1024 initrd
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sudo mke2fs -F -m0 -b 1024 initrd
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mkdir mnt
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mkdir mnt
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mount -t ext2 -o loop initrd ${LINUX_WORK_DIR}/mnt
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sudo mount -t ext2 -o loop initrd ${LINUX_WORK_DIR}/mnt
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# Add files
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# Add files
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mkdir ${LINUX_WORK_DIR}/mnt/sbin
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sudo mkdir ${LINUX_WORK_DIR}/mnt/sbin
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mkdir ${LINUX_WORK_DIR}/mnt/dev
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sudo mkdir ${LINUX_WORK_DIR}/mnt/dev
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mkdir ${LINUX_WORK_DIR}/mnt/bin
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sudo mkdir ${LINUX_WORK_DIR}/mnt/bin
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mkdir ${LINUX_WORK_DIR}/mnt/etc
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sudo mkdir ${LINUX_WORK_DIR}/mnt/etc
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mkdir ${LINUX_WORK_DIR}/mnt/proc
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sudo mkdir ${LINUX_WORK_DIR}/mnt/proc
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mkdir ${LINUX_WORK_DIR}/mnt/lib
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sudo mkdir ${LINUX_WORK_DIR}/mnt/lib
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mknod ${LINUX_WORK_DIR}/mnt/dev/console c 5 1
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sudo mknod ${LINUX_WORK_DIR}/mnt/dev/console c 5 1
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mknod ${LINUX_WORK_DIR}/mnt/dev/tty2 c 4 2
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sudo mknod ${LINUX_WORK_DIR}/mnt/dev/tty2 c 4 2
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mknod ${LINUX_WORK_DIR}/mnt/dev/null c 1 3
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sudo mknod ${LINUX_WORK_DIR}/mnt/dev/null c 1 3
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mknod ${LINUX_WORK_DIR}/mnt/dev/loop0 b 7 0
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sudo mknod ${LINUX_WORK_DIR}/mnt/dev/loop0 b 7 0
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chmod 600 ${LINUX_WORK_DIR}/mnt/dev/*
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sudo chmod 600 ${LINUX_WORK_DIR}/mnt/dev/*
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cp $AMBER_BASE/sw/hello-world/hello-world.flt ${LINUX_WORK_DIR}/mnt/sbin/init
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sudo cp $AMBER_BASE/sw/hello-world/hello-world.flt ${LINUX_WORK_DIR}/mnt/sbin/init
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#cp $AMBER_BASE/sw/dhry/dhry.flt ${LINUX_WORK_DIR}/mnt/sbin/init
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#sudo cp $AMBER_BASE/sw/dhry/dhry.flt ${LINUX_WORK_DIR}/mnt/sbin/init
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chmod +x ${LINUX_WORK_DIR}/mnt/sbin/init
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#sudo cp /proj/amber2-linux/busybox-1.18.5/busybox ${LINUX_WORK_DIR}/mnt/sbin/init
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sudo chmod +x ${LINUX_WORK_DIR}/mnt/sbin/init
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# Check
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# Check
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df ${LINUX_WORK_DIR}/mnt
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df ${LINUX_WORK_DIR}/mnt
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# Unmount
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# Unmount
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umount ${LINUX_WORK_DIR}/mnt
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sudo umount ${LINUX_WORK_DIR}/mnt
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rm -rf ${LINUX_WORK_DIR}/mnt
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rm -rf ${LINUX_WORK_DIR}/mnt
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exit # from being root
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cp initrd $AMBER_BASE/sw/vmlinux/initrd-
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cp initrd $AMBER_BASE/sw/vmlinux/initrd-
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#cp initrd $AMBER_BASE/sw/vmlinux/initrd-400k-busybox
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---
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---
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If 200k is not large enough, you can change the size as follows.
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If 200k is not large enough, you can change the size as follows.
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You'll need to change a couple of values in the ATAG data structure defined in the
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You'll need to change a couple of values in the ATAG data structure defined in the
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