build first efi image

Author: mschlenker

build_iso.sh

@@ -1,10 +1,17 @@
 #!/bin/sh
 
+me=` id -u `
+if [ "$me" -gt 0 ] ; then
+	echo 'Please run this script with root privileges!'
+fi
+
 source stage0n_variables
 
 mkdir -p ${CLFS}/iso-bios/boot/isolinux
 mkdir -p ${CLFS}/iso-bios/boot/system
-mkdir -p ${CLFS}/iso-uefi/boot
+mkdir -p ${CLFS}/iso-uefi/boot/efi
+mkdir -p ${CLFS}/iso-uefi/boot/isolinux
+mkdir -p ${CLFS}/tmp/efi
 
 # Copy libraries
 echo ${CLFS}/cross-tools/${CLFS_TARGET} ${CLFS}/targetfs 
@@ -13,11 +20,11 @@ tar -C  ${CLFS}/cross-tools/${CLFS_TARGET} --exclude='*.a' --exclude='pkgconfig'
 # Create the initramfs
 ( cd ${CLFS}/targetfs ; find . | cpio -o -H newc | gzip -c > ../iso-bios/boot/system/initrd.gz )
 
-# copy the kernel
+# Copy the kernel
 kern=` ls ${CLFS}/targetfs/boot/vmlinuz* | tail -n1 ` 
 install -m 0644 "$kern" ${CLFS}/iso-bios/boot/system/vmlinuz
 
-# copy the bootloader
+# Copy the bootloader
 for f in bios/com32/menu/menu.c32 bios/com32/menu/vesamenu.c32 \
 	bios/com32/modules/ifcpu64.c32 bios/com32/modules/ifcpu.c32 \
 	bios/com32/modules/reboot.c32 bios/com32/chain/chain.c32 \
@@ -32,8 +39,52 @@ for f in isolinux.cfg help.txt ; do
 	install -m 0644 patches/${f} ${CLFS}/iso-bios/boot/isolinux/
 done
 
+# Build the ISO for BIOS
 ${CLFS}/hosttools/bin/xorriso -as mkisofs -joliet -graft-points \
 	-c boot/isolinux/boot.cat -b boot/isolinux/isolinux.bin \
 	-no-emul-boot -boot-info-table -boot-load-size 4 \
 	-isohybrid-mbr ${CLFS}/hosttools/share/syslinux/bios/mbr/isohdpfx.bin \
-	-V CLFS -o ${CLFS}/tiny-cross-bios.iso -r ${CLFS}/iso-bios
+	-V TINYCROSS -o ${CLFS}/tiny-cross-bios.iso -r ${CLFS}/iso-bios
+sync 
+
+# Calculate size of the system dir
+efisize=` du ${CLFS}/iso-bios/boot/system | tail -n1 | awk '{print $1}' `
+efisize=` expr $efisize '*' 105 / 100 + 1000 ` 
+efiblocks=` expr $efisize / 4096 + 1 `
+
+# Create and format EFI image
+dd if=/dev/zero bs=4M count=$efiblocks of=${CLFS}/iso-uefi/boot/efi/efi.img 
+freeloop=` losetup -f ` 
+losetup $freeloop ${CLFS}/iso-uefi/boot/efi/efi.img 
+mkfs.msdos -n EFIBOOT $freeloop
+mount -t vfat -o noatime $freeloop ${CLFS}/tmp/efi 
+# Copy files to EFI image
+cp -v ${CLFS}/iso-bios/boot/system/vmlinuz ${CLFS}/tmp/efi/VMLINUZ.EFI
+cp -v ${CLFS}/iso-bios/boot/system/initrd.gz ${CLFS}/tmp/efi/INITRD.GZ
+mkdir -p ${CLFS}/tmp/efi/EFI/BOOT
+mkdir -p ${CLFS}/tmp/efi/loader/entries
+cp -v ${CLFS}/hosttools/lib/gummiboot/gummibootx64.efi ${CLFS}/tmp/efi/EFI/BOOT/BOOTX64.EFI
+sync 
+sleep 3
+umount ${CLFS}/tmp/efi
+cp -v patches/loader.conf ${CLFS}/tmp/efi/loader/loader.conf
+cp -v patches/tiny.conf ${CLFS}/tmp/efi/loader/entries/tiny.conf
+losetup -d $freeloop
+# We need a dummy isolinux, otherwise ISO will not boot
+install -m 0644 ${CLFS}/hosttools/share/syslinux/bios/core/isolinux.bin ${CLFS}/iso-uefi/boot/isolinux
+
+# Build ISO containing the EFI image
+${CLFS}/hosttools/bin/xorriso -as mkisofs -joliet -graft-points  \
+	-c boot/isolinux/boot.cat -b boot/isolinux/isolinux.bin \
+	-no-emul-boot -boot-info-table -boot-load-size 4 \
+	-isohybrid-mbr ${CLFS}/hosttools/share/syslinux/bios/mbr/isohdpfx.bin \
+	-eltorito-alt-boot \
+	-e boot/efi/efi.img -no-emul-boot \
+	-isohybrid-gpt-basdat \
+	-V TINYCROSS -o ${CLFS}/tiny-cross-uefi.iso -r ${CLFS}/iso-uefi
+
+#${CLFS}/hosttools/bin/xorriso -as mkisofs -joliet -graft-points  \
+#	-e boot/efi/efi.img -no-emul-boot \
+#	-isohybrid-gpt-basdat \
+#	-V CLFS -o ${CLFS}/tiny-cross-uefi.iso -r ${CLFS}/iso-uefi
+

build_stage0n.sh

@@ -1,5 +1,10 @@
 #!/bin/bash
 
+me=` id -u `
+if [ "$me" -gt 0 ] ; then
+	echo 'Please run this script with root privileges!'
+fi
+
 source stage0n_variables
 
 mkdir -p ${CLFS}/build 

patches/loader.conf

@@ -0,0 +1,2 @@
+timeout 30
+default tiny*

patches/tiny.conf

@@ -0,0 +1,4 @@
+title TinyCrossLinux
+linux /VMLINUZ.EFI
+initrd /INITRD.GZ
+options dummy=0

stage02/0001_basefiles.sh

@@ -36,4 +36,4 @@ install -m 0755 patches/etc-rc.d-0040-udhcpd.sh ${CLFS}/targetfs/etc/rc.d/0040-u
 # optional startup scripts
 install -m 0755 patches/etc-rc.d-0055-httpd.sh ${CLFS}/targetfs/etc/rc.d/0055-httpd.sh
 install -m 0755 patches/etc-rc.d-0060-tftpd.sh ${CLFS}/targetfs/etc/rc.d/0060-tftpd.sh
-install -m 0755 patches/etc-rc.d-0065-udhcpd.sh ${CLFS}/targetfs/etc/rc.d/0060-udhcpd.sh
+install -m 0755 patches/etc-rc.d-0065-udhcpd.sh ${CLFS}/targetfs/etc/rc.d/0065-udhcpd.sh