1################################################################################ 2# 3# Build the iso96600 root filesystem image 4# 5################################################################################ 6 7# 8# We need to handle three cases: 9# 10# 1. The ISO9660 filesystem will really be the real root filesystem 11# itself. This is when BR2_TARGET_ROOTFS_ISO9660_INITRD is 12# disabled. 13# 14# 2. The ISO9660 filesystem will be a filesystem with just a kernel 15# image, initrd and grub. This is when 16# BR2_TARGET_ROOTFS_ISO9660_INITRD is enabled, but 17# BR2_TARGET_ROOTFS_INITRAMFS is disabled. 18# 19# 3. The ISO9660 filesystem will be a filesystem with just a kernel 20# image and grub. This is like (2), except that the initrd is 21# built into the kernel image. This is when 22# BR2_TARGET_ROOTFS_INITRAMFS is enabled (regardless of the value 23# of BR2_TARGET_ROOTFS_ISO9660_INITRD). 24 25ROOTFS_ISO9660_BOOT_MENU = $(call qstrip,$(BR2_TARGET_ROOTFS_ISO9660_BOOT_MENU)) 26 27ROOTFS_ISO9660_DEPENDENCIES = host-xorriso linux 28 29ifeq ($(BR2_TARGET_ROOTFS_INITRAMFS),y) 30ROOTFS_ISO9660_USE_INITRD = YES 31endif 32 33ifeq ($(BR2_TARGET_ROOTFS_ISO9660_INITRD),y) 34ROOTFS_ISO9660_USE_INITRD = YES 35endif 36 37ifeq ($(ROOTFS_ISO9660_USE_INITRD),YES) 38ROOTFS_ISO9660_TMP_TARGET_DIR = $(FS_DIR)/rootfs.iso9660.tmp 39define ROOTFS_ISO9660_CREATE_TEMPDIR 40 $(RM) -rf $(ROOTFS_ISO9660_TMP_TARGET_DIR) 41 mkdir -p $(ROOTFS_ISO9660_TMP_TARGET_DIR) 42endef 43ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_CREATE_TEMPDIR 44else ifeq ($(BR2_TARGET_ROOTFS_ISO9660_TRANSPARENT_COMPRESSION),y) 45ROOTFS_ISO9660_DEPENDENCIES += host-zisofs-tools 46ROOTFS_ISO9660_TMP_TARGET_DIR = $(FS_DIR)/rootfs.iso9660.tmp 47# This must be early, before we copy the bootloader files. 48define ROOTFS_ISO9660_MKZFTREE 49 $(RM) -rf $(ROOTFS_ISO9660_TMP_TARGET_DIR) 50 $(HOST_DIR)/bin/mkzftree -X -z 9 -p $(PARALLEL_JOBS) \ 51 $(TARGET_DIR) \ 52 $(ROOTFS_ISO9660_TMP_TARGET_DIR) 53endef 54ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_MKZFTREE 55ROOTFS_ISO9660_OPTS += -z 56else 57ROOTFS_ISO9660_TMP_TARGET_DIR = $(TARGET_DIR) 58endif 59 60ifeq ($(BR2_REPRODUCIBLE),y) 61ROOTFS_ISO9660_VFAT_OPTS = --invariant 62ROOTFS_ISO9660_FIX_TIME = touch -d @$(SOURCE_DATE_EPOCH) 63else 64ROOTFS_ISO9660_FIX_TIME = : 65endif 66 67ifeq ($(BR2_TARGET_ROOTFS_ISO9660_GRUB2)$(BR2_TARGET_ROOTFS_ISO9660_BIOS_BOOTLOADER),yy) 68ROOTFS_ISO9660_DEPENDENCIES += grub2 69ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH = \ 70 $(ROOTFS_ISO9660_TMP_TARGET_DIR)/boot/grub/grub.cfg 71ROOTFS_ISO9660_BOOT_IMAGE = boot/grub/grub-eltorito.img 72define ROOTFS_ISO9660_INSTALL_BOOTLOADER_BIOS 73 $(INSTALL) -D -m 0644 $(BINARIES_DIR)/grub-eltorito.img \ 74 $(ROOTFS_ISO9660_TMP_TARGET_DIR)/boot/grub/grub-eltorito.img 75endef 76endif 77 78ifeq ($(BR2_TARGET_ROOTFS_ISO9660_GRUB2)$(BR2_TARGET_ROOTFS_ISO9660_EFI_BOOTLOADER),yy) 79ROOTFS_ISO9660_DEPENDENCIES += grub2 host-dosfstools host-mtools 80ROOTFS_ISO9660_EFI_PARTITION = boot/fat.efi 81ROOTFS_ISO9660_EFI_PARTITION_PATH = $(ROOTFS_ISO9660_TMP_TARGET_DIR)/$(ROOTFS_ISO9660_EFI_PARTITION) 82ROOTFS_ISO9660_EFI_PARTITION_CONTENT = $(BINARIES_DIR)/efi-part 83ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH = \ 84 $(ROOTFS_ISO9660_TMP_TARGET_DIR)/boot/grub/grub.cfg 85define ROOTFS_ISO9660_INSTALL_BOOTLOADER_EFI 86 rm -rf $(ROOTFS_ISO9660_EFI_PARTITION_PATH) 87 mkdir -p $(dir $(ROOTFS_ISO9660_EFI_PARTITION_PATH)) 88 dd if=/dev/zero of=$(ROOTFS_ISO9660_EFI_PARTITION_PATH) bs=1M count=1 89 $(HOST_DIR)/sbin/mkfs.vfat $(ROOTFS_ISO9660_VFAT_OPTS) $(ROOTFS_ISO9660_EFI_PARTITION_PATH) 90 $(ROOTFS_ISO9660_FIX_TIME) $(ROOTFS_ISO9660_EFI_PARTITION_CONTENT)/* 91 $(HOST_DIR)/bin/mcopy -p -m -i $(ROOTFS_ISO9660_EFI_PARTITION_PATH) -s \ 92 $(ROOTFS_ISO9660_EFI_PARTITION_CONTENT)/* ::/ 93 $(ROOTFS_ISO9660_FIX_TIME) $(ROOTFS_ISO9660_EFI_PARTITION_PATH) 94endef 95endif 96 97ifeq ($(BR2_TARGET_ROOTFS_ISO9660_ISOLINUX),y) 98ROOTFS_ISO9660_DEPENDENCIES += syslinux 99ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH = \ 100 $(ROOTFS_ISO9660_TMP_TARGET_DIR)/isolinux/isolinux.cfg 101ROOTFS_ISO9660_BOOT_IMAGE = isolinux/isolinux.bin 102define ROOTFS_ISO9660_INSTALL_BOOTLOADER_BIOS 103 $(INSTALL) -D -m 0644 $(BINARIES_DIR)/syslinux/* \ 104 $(ROOTFS_ISO9660_TMP_TARGET_DIR)/isolinux/ 105 $(INSTALL) -D -m 0644 $(HOST_DIR)/share/syslinux/ldlinux.c32 \ 106 $(ROOTFS_ISO9660_TMP_TARGET_DIR)/isolinux/ldlinux.c32 107endef 108endif 109 110define ROOTFS_ISO9660_PREPARATION 111 $(INSTALL) -D -m 0644 $(ROOTFS_ISO9660_BOOT_MENU) \ 112 $(ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH) 113 $(SED) "s%__KERNEL_PATH__%/boot/$(LINUX_IMAGE_NAME)%" \ 114 $(ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH) 115 $(ROOTFS_ISO9660_INSTALL_BOOTLOADER_BIOS) 116 $(ROOTFS_ISO9660_INSTALL_BOOTLOADER_EFI) 117endef 118 119ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_PREPARATION 120 121define ROOTFS_ISO9660_DISABLE_EXTERNAL_INITRD 122 $(SED) '/__INITRD_PATH__/d' $(ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH) 123endef 124 125# Copy the kernel to temporary filesystem 126define ROOTFS_ISO9660_COPY_KERNEL 127 $(INSTALL) -D -m 0644 $(LINUX_IMAGE_PATH) \ 128 $(ROOTFS_ISO9660_TMP_TARGET_DIR)/boot/$(LINUX_IMAGE_NAME) 129endef 130 131ifeq ($(ROOTFS_ISO9660_USE_INITRD),YES) 132ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_COPY_KERNEL 133 134# If initramfs is used, disable loading the initrd as the rootfs is 135# already inside the kernel image. Otherwise, make sure a cpio is 136# generated and use it as the initrd. 137ifeq ($(BR2_TARGET_ROOTFS_INITRAMFS),y) 138ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_DISABLE_EXTERNAL_INITRD 139else 140ROOTFS_ISO9660_DEPENDENCIES += rootfs-cpio 141define ROOTFS_ISO9660_COPY_INITRD 142 $(INSTALL) -D -m 0644 $(BINARIES_DIR)/rootfs.cpio$(ROOTFS_CPIO_COMPRESS_EXT) \ 143 $(ROOTFS_ISO9660_TMP_TARGET_DIR)/boot/initrd 144 $(SED) "s%__INITRD_PATH__%/boot/initrd%" \ 145 $(ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH) 146endef 147ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_COPY_INITRD 148endif 149 150else # ROOTFS_ISO9660_USE_INITRD 151ifeq ($(BR2_TARGET_ROOTFS_ISO9660_TRANSPARENT_COMPRESSION),y) 152# We must use the uncompressed kernel image 153ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_COPY_KERNEL 154endif 155 156ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_DISABLE_EXTERNAL_INITRD 157 158endif # ROOTFS_ISO9660_USE_INITRD 159 160ROOTFS_ISO9660_OPTS += -J -R 161 162ROOTFS_ISO9660_OPTS_BIOS = \ 163 -b $(ROOTFS_ISO9660_BOOT_IMAGE) \ 164 -no-emul-boot \ 165 -boot-load-size 4 \ 166 -boot-info-table 167 168ROOTFS_ISO9660_OPTS_EFI = \ 169 --efi-boot $(ROOTFS_ISO9660_EFI_PARTITION) \ 170 -no-emul-boot 171 172ifeq ($(BR2_TARGET_ROOTFS_ISO9660_BIOS_BOOTLOADER)$(BR2_TARGET_ROOTFS_ISO9660_EFI_BOOTLOADER),yy) 173ROOTFS_ISO9660_OPTS += \ 174 $(ROOTFS_ISO9660_OPTS_BIOS) \ 175 -eltorito-alt-boot \ 176 $(ROOTFS_ISO9660_OPTS_EFI) 177else ifeq ($(BR2_TARGET_ROOTFS_ISO9660_BIOS_BOOTLOADER),y) 178ROOTFS_ISO9660_OPTS += $(ROOTFS_ISO9660_OPTS_BIOS) 179else ifeq ($(BR2_TARGET_ROOTFS_ISO9660_EFI_BOOTLOADER),y) 180ROOTFS_ISO9660_OPTS += $(ROOTFS_ISO9660_OPTS_EFI) 181endif 182 183define ROOTFS_ISO9660_CMD 184 $(HOST_DIR)/bin/xorriso -as mkisofs \ 185 $(ROOTFS_ISO9660_OPTS) \ 186 -o $@ $(ROOTFS_ISO9660_TMP_TARGET_DIR) 187endef 188 189ifeq ($(BR2_TARGET_ROOTFS_ISO9660_HYBRID),y) 190define ROOTFS_ISO9660_GEN_HYBRID 191 $(HOST_DIR)/bin/isohybrid -t 0x96 $@ 192endef 193 194ROOTFS_ISO9660_POST_GEN_HOOKS += ROOTFS_ISO9660_GEN_HYBRID 195endif 196 197$(eval $(rootfs)) 198