| /linux/Documentation/filesystems/ |
| H A D | ramfs-rootfs-initramfs.rst | 4 Ramfs, rootfs and initramfs
82 of the initramfs to work normally.
91 What is initramfs?
106 - The old initrd was always a separate file, while the initramfs archive is
112 initramfs archive is a gzipped cpio archive (like tar only simpler,
119 initramfs is not expected to return to the kernel. (If /init needs to hand
125 normally from the initramfs. Userspace can simply do::
133 Populating initramfs:
136 The 2.6 kernel build process always creates a gzipped cpio format initramfs
142 initramfs archive, which will automatically be incorporated into the
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| /linux/tools/testing/selftests/nolibc/ |
| H A D | Makefile.nolibc | 327 initramfs.cpio: kernel nolibc-test
328 $(QUIET_GEN)echo 'file /init nolibc-test 755 0 0' | $(objtree)/usr/gen_init_cpio - > initramfs.cpio
330 initramfs: nolibc-test
331 $(QUIET_MKDIR)mkdir -p initramfs
332 $(call QUIET_INSTALL, initramfs/init)
333 $(Q)cp nolibc-test initramfs/init
345 kernel-standalone: initramfs
346 $(Q)$(KBUILD_MAKE) $(IMAGE_NAME) CONFIG_INITRAMFS_SOURCE=$(CURDIR)/initramfs < /dev/null
349 run: kernel initramfs.cpio
350 …$(Q)qemu-system-$(QEMU_ARCH) -display none -no-reboot -kernel "$(IMAGE)" -initrd initramfs.cpio -s…
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| H A D | .gitignore | 1 /initramfs/
2 /initramfs.cpio
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| /linux/usr/ |
| H A D | Kconfig | 3 # Configuration for initramfs
12 initramfs image. A cpio archive should contain a filesystem archive
13 to be used as an initramfs image. Directories should contain a
14 filesystem layout to be included in the initramfs image. Files
19 initramfs image will be the aggregate of all of them.
26 bool "Ignore the initramfs passed by the bootloader"
29 This option causes the kernel to ignore the initramfs image
112 prompt "Built-in initramfs compression mode"
116 initramfs will be compressed. Several compression algorithms are
150 is slowest among the choices. The initramfs size is about 10% smaller
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| H A D | gen_initramfs.sh | 18 -o <file> Create initramfs file named <file> by using gen_init_cpio
29 as direct input to initramfs.
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| H A D | default_cpio_list | 2 # This is a very simple, default initramfs
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| /linux/Documentation/driver-api/early-userspace/ |
| H A D | buffer-format.rst | 2 initramfs buffer format
8 with an "initial ramfs" protocol. The initramfs content is passed
10 is different. The initramfs buffer contains an archive which is
11 expanded into a ramfs filesystem; this document details the initramfs
14 The initramfs buffer format is based around the "newc" or "crc" CPIO
17 via CONFIG_DECOMPRESS_*. One valid version of an initramfs buffer is
20 The full format of the initramfs buffer is defined by the following
35 initramfs := ("\0" | cpio_archive | cpio_compressed_archive)*
48 In human terms, the initramfs buffer contains a collection of
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| H A D | early_userspace_support.rst | 18 - initramfs, a chunk of code that unpacks the compressed cpio image
23 The cpio file format used by initramfs is the "newc" (aka "cpio -H newc")
63 initramfs image will be an aggregate of all of them. In this way a user
122 custom initramfs images that meet your needs exactly.
143 c) using initramfs. The call to prepare_namespace() must be skipped.
145 into initramfs either via modifying usr/gen_init_cpio.c or via the new
150 comes via an initramfs cpio archive. If this is not the case,
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| /linux/Documentation/driver-api/firmware/ |
| H A D | direct-fs-lookup.rst | 17 Firmware and initramfs
21 also as part of the initramfs used to boot the kernel given that otherwise
23 available. Stuffing the firmware into initramfs resolves this race issue,
27 initramfs, such as dealing with large firmware files for the
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| /linux/Documentation/translations/zh_CN/security/ |
| H A D | ipe.rst | 194 initramfs提供了一种建立此启动路径的方法。内核启动时以最小化的策略启动，
195 该策略仅信任initramfs。在initramfs内，当真实的根文件系统已挂载且尚未
202 然而，并不是每个系统都以initramfs启动，因此编译进内核的启动策略需要具备
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| /linux/security/ipe/ |
| H A D | eval.h | 22 bool initramfs; member
45 bool initramfs; member
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| H A D | eval.c | 35 ctx->initramfs = ipe_sb(FILE_SUPERBLOCK(file))->initramfs; in build_ipe_sb_ctx()
121 return ctx->initramfs; in evaluate_boot_verified()
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| /linux/Documentation/arch/s390/ |
| H A D | zfcpdump.rst | 32 The s390 zipl tool looks for the zfcpdump kernel and optional initrd/initramfs
41 initrd. It can also be included in a built-in kernel initramfs. The application
45 initramfs with a user space application that writes the dump to a SCSI
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| /linux/tools/testing/ktest/examples/ |
| H A D | kvm.conf | 56 POST_INSTALL = ${SSH} /sbin/dracut -f /boot/initramfs-test.img $KERNEL_VERSION
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| H A D | vmware.conf | 101 POST_INSTALL = ${SSH} /sbin/dracut -f /boot/initramfs-test.img $KERNEL_VERSION
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| /linux/Documentation/admin-guide/LSM/ |
| H A D | ipe.rst | 29 files originating from the initramfs. Since initramfs is typically verified
31 initramfs" becomes an immutable property under IPE's consideration.
49 from initramfs) or evaluating the internal state of an immutable security
625 This property can be utilized for authorization of files from initramfs.
633 This property will trust files from initramfs(rootfs). It should
635 rootfs on top of the initramfs, initramfs script will recursively
636 remove all files and directories on the initramfs. This is typically
638 initramfs will be empty and not accessible after the real
727 Allow only initramfs
737 Allow any signed and validated dm-verity volume and the initramfs
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| /linux/init/ |
| H A D | Makefile | 12 obj-$(CONFIG_BLK_DEV_INITRD) += initramfs.o
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| /linux/include/linux/ |
| H A D | kernel_read_file.h | 14 id(KEXEC_INITRAMFS, kexec-initramfs) \
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| /linux/Documentation/arch/openrisc/ |
| H A D | openrisc_port.rst | 43 If you want to embed initramfs in the kernel, also pass ``CONFIG_INITRAMFS_SOURCE``. For example::
47 For more information on this, please check Documentation/filesystems/ramfs-rootfs-initramfs.rst.
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| /linux/tools/testing/ktest/examples/include/ |
| H A D | bootconfig.conf | 6 INITRD := /boot/initramfs-test.img
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| /linux/Documentation/translations/zh_CN/kbuild/ |
| H A D | reproducible-builds.rst | 27 * initramfs 中的文件时间戳
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| /linux/Documentation/ABI/testing/ |
| H A D | sysfs-class-tee | 15 tee-supplicant is needed in the early boot with initramfs.
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| /linux/security/integrity/ |
| H A D | Kconfig | 31 usually only added from initramfs.
64 and, possibly, the initramfs signature.
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| /linux/Documentation/networking/device_drivers/ethernet/netronome/ |
| H A D | nfp.rst | 88 After changing firmware files you may need to regenerate the initramfs
91 out how to update initramfs. Good indication of stale initramfs
113 in initramfs, you will have to refer to documentation of appropriate tools
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| /linux/arch/mips/econet/ |
| H A D | Kconfig | 43 needs only an appended initramfs to boot. It can be loaded
|