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Support extracting any partition from payload.bin

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topjohnwu
2023-05-25 23:45:38 -07:00
committed by John Wu
parent ec31cab5a7
commit 659b9c6fee
14 changed files with 203 additions and 116 deletions
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20
native/src/boot/main.cpp
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@ -24,8 +24,7 @@ Supported actions:
a file with its corresponding file name in the current directory.
Supported components: kernel, kernel_dtb, ramdisk.cpio, second,
dtb, extra, and recovery_dtbo.
By default, each component will be automatically decompressed
on-the-fly before writing to the output file.
By default, each component will be decompressed on-the-fly.
If '-n' is provided, all decompression operations will be skipped;
each component will remain untouched, dumped in its original format.
If '-h' is provided, the boot image header information will be
@ -46,8 +45,13 @@ Supported actions:
If env variable PATCHVBMETAFLAG is set to true, all disable flags in
the boot image's vbmeta header will be set.
extract <payload.bin> <outbootimg>
Extract the boot image from payload.bin to <outbootimg>.
extract <payload.bin> [partition] [outfile]
Extract [partition] from <payload.bin> to [outfile].
If [outfile] is not specified, then output to '[partition].img'.
If [partition] is not specified, then attempt to extract either
'init_boot' or 'boot'. Which partition was chosen can be determined
by whichever 'init_boot.img' or 'boot.img' exists.
<payload.bin>/[outfile] can be '-' to be STDIN/STDOUT.
hexpatch <file> <hexpattern1> <hexpattern2>
Search <hexpattern1> in <file>, and replace it with <hexpattern2>
@ -204,8 +208,12 @@ int main(int argc, char *argv[]) {
} else if (argc > 3 && action == "dtb") {
if (dtb_commands(argc - 2, argv + 2))
usage(argv[0]);
} else if (argc > 3 && action == "extract") {
return rust::extract_boot_from_payload(argv[2], argv[3]) ? 0 : 1;
} else if (argc > 2 && action == "extract") {
return rust::extract_boot_from_payload(
argv[2],
argc > 3 ? argv[3] : nullptr,
argc > 4 ? argv[4] : nullptr
) ? 0 : 1;
} else {
usage(argv[0]);
}