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.. SPDX-License-Identifier: GPL-2.0+
Single kernel
=============
::
/dts-v1/;
/ {
description = "Simple image with single Linux kernel";
#address-cells = <1>;
images {
kernel {
description = "Vanilla Linux kernel";
data = /incbin/("./vmlinux.bin.gz");
type = "kernel";
arch = "ppc";
os = "linux";
compression = "gzip";
load = <00000000>;
entry = <00000000>;
hash-1 {
algo = "crc32";
};
hash-2 {
algo = "sha1";
};
};
};
configurations {
default = "config-1";
config-1 {
description = "Boot Linux kernel";
kernel = "kernel";
};
};
};
For x86 a setup node is also required: see x86-fit-boot::
/dts-v1/;
/ {
description = "Simple image with single Linux kernel on x86";
#address-cells = <1>;
images {
kernel {
description = "Vanilla Linux kernel";
data = /incbin/("./image.bin.lzo");
type = "kernel";
arch = "x86";
os = "linux";
compression = "lzo";
load = <0x01000000>;
entry = <0x00000000>;
hash-2 {
algo = "sha1";
};
};
setup {
description = "Linux setup.bin";
data = /incbin/("./setup.bin");
type = "x86_setup";
arch = "x86";
os = "linux";
compression = "none";
load = <0x00090000>;
entry = <0x00090000>;
hash-2 {
algo = "sha1";
};
};
};
configurations {
default = "config-1";
config-1 {
description = "Boot Linux kernel";
kernel = "kernel";
setup = "setup";
};
};
};
Note: the above assumes a 32-bit kernel. To directly boot a 64-bit kernel,
change both arch values to "x86_64". U-Boot will then change to 64-bit mode
before booting the kernel (see boot_linux_kernel()).
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