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kernel-dtbs: output a somewhat-diffable preprocessed dtc-massaged version of the DTS

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- useful for diffs across the same kernel, much less so across
This commit is contained in:
Ricardo Pardini
2024-03-31 00:19:28 +01:00
parent 7df2f46a91
commit 180b79cddc
1 changed files with 7 additions and 2 deletions
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9
lib/functions/compilation/kernel.sh
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@@ -120,8 +120,8 @@ function kernel_prepare_build_and_package() {
# define dict with vars passed and target directories
declare -A kernel_install_dirs=(
["INSTALL_PATH"]="${kernel_dest_install_dir}/image/boot" # Used by `make install`
["INSTALL_MOD_PATH"]="${kernel_dest_install_dir}/modules" # Used by `make modules_install`
["INSTALL_PATH"]="${kernel_dest_install_dir}/image/boot" # Used by `make install`
["INSTALL_MOD_PATH"]="${kernel_dest_install_dir}/modules" # Used by `make modules_install`
["INSTALL_HDR_PATH"]="${kernel_dest_install_dir}/libc_headers" # Used by `make headers_install` for libc headers
)
@@ -202,8 +202,13 @@ function kernel_dtb_only_build() {
declare preprocessed_fdt_normalized="${SRC}/output/${fdt_dir}-${fdt_file}--${KERNEL_MAJOR_MINOR}-${BRANCH}.preprocessed.normalized.dts"
run_host_command_logged dtc -I dts -O dts -o "${preprocessed_fdt_normalized}" "${preprocessed_fdt_dest}"
# Remove phandles and hex references, probably the worst way possible (grep) -- somehow the diff is reasonable then.
declare preprocessed_fdt_normalized_nophandles="${SRC}/output/${fdt_dir}-${fdt_file}--${KERNEL_MAJOR_MINOR}-${BRANCH}.preprocessed.normalized.nophandles.dts"
grep -v -e "phandle =" -e "connect =" -e '= <0x' "${preprocessed_fdt_normalized}" > "${preprocessed_fdt_normalized_nophandles}"
display_alert "Kernel DTB-only for development" "Preprocessed FDT dest: ${preprocessed_fdt_dest}" "warn"
display_alert "Kernel DTB-only for development" "Preprocessed FDT normalized: ${preprocessed_fdt_normalized}" "warn"
display_alert "Kernel DTB-only for development" "Preprocessed FDT normalized, no phandles: ${preprocessed_fdt_normalized_nophandles}" "warn"
fi
return 0