Add mktag kernel #35
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Add mktag kernel #35
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dmascord
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hauke
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Oct 5, 2025
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| typedef struct __attribute__((scalar_storage_order("little-endian"))) _LINUX_FILE_TAG | ||
| { | ||
| int32_t rootfsLen; |
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This tool just writes the root fs length into the first 4 bytes and nulls the rest. I think we can do this better in a shell script.
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I will have a look into it, are there any endianess helpers so that the struct is written the correct way?
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For the TPLink Deco X20 v3, there is a tag_kernel file which contains kernel and filesystem information, the mktag_kernel utility creates the necessary binary file that uboot reads during boot.
This is a dependency of openwrt/openwrt#16581