[PATCH v2 04/10] binman: Add support for externally provided Linux kernel blob
Alexey Charkov <[email protected]>
| Newsgroups | org.u-boot-project.lists.u-boot |
|---|---|
| Message-ID | <[email protected]> |
Add an simple named Linux kernel blob type to binman, activated by the "LINUX_KERNEL" make variable. No processing is done on the passed blob. Signed-off-by: Alexey Charkov <[email protected]> --- Makefile | 1 + tools/binman/etype/linux_kernel.py | 22 ++++++++++++++++++++++ tools/binman/missing-blob-help | 5 +++++ 3 files changed, 28 insertions(+) diff --git a/Makefile b/Makefile index c5cc8276fa08..246efa2c23be 100644 --- a/Makefile +++ b/Makefile @@ -1692,6 +1692,7 @@ cmd_binman = $(srctree)/tools/binman/binman $(if $(BINMAN_DEBUG),-D) \ $(if $(KEYDIR),-a keydir=$(KEYDIR)) \ -a atf-bl1-path=${BL1} \ -a atf-bl31-path=${BL31} \ + -a linux-kernel-path=${LINUX_KERNEL} \ -a tee-os-path=${TEE} \ -a ti-dm-path=${TI_DM} \ -a opensbi-path=${OPENSBI} \ diff --git a/tools/binman/etype/linux_kernel.py b/tools/binman/etype/linux_kernel.py new file mode 100644 index 000000000000..74bef0ed8247 --- /dev/null +++ b/tools/binman/etype/linux_kernel.py @@ -0,0 +1,22 @@ +# SPDX-License-Identifier: GPL-2.0+ +# Copyright (c) 2026 Flipper FZCO +# +# Entry-type module for Linux kernel binary blob + +from binman.etype.blob_named_by_arg import Entry_blob_named_by_arg + + +class Entry_linux_kernel(Entry_blob_named_by_arg): + """Linux kernel image blob + + Properties / Entry arguments: + - linux-kernel-path: Filename of file to read into entry. This is + typically an uncompressed ARM64 Image. + + This entry allows binman FIT templates to consume a kernel provided via + make variable, similar to how BL31 is passed to atf-bl31. + """ + + def __init__(self, section, etype, node): + super().__init__(section, etype, node, 'linux-kernel') + self.external = True diff --git a/tools/binman/missing-blob-help b/tools/binman/missing-blob-help index 27dc620bd359..c8c56e3ad9b5 100644 --- a/tools/binman/missing-blob-help +++ b/tools/binman/missing-blob-help @@ -32,6 +32,11 @@ If CONFIG_WDT_K3_RTI_LOAD_FW is enabled, a firmware image is needed for the R5F core(s) to trigger the system reset. One possible source is https://github.com/siemens/k3-rti-wdt. +linux-kernel: +A Linux kernel image is required to build a Falcon mode FIT image, which +lets SPL start the OS directly instead of U-Boot proper. Build with +LINUX_KERNEL=/path/to/Image, or disable Falcon mode image generation. + opensbi: See the documentation for your board. The OpenSBI git repo is at https://github.com/riscv/opensbi.git -- 2.54.0