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Diffstat (limited to 'Documentation/i386/boot.txt')
| -rw-r--r-- | Documentation/i386/boot.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/i386/boot.txt b/Documentation/i386/boot.txt index b5f5ba1ea66..05c24dfd7ec 100644 --- a/Documentation/i386/boot.txt +++ b/Documentation/i386/boot.txt @@ -531,6 +531,14 @@ Protocol: 2.08+ The length of the compressed payload. +**** THE IMAGE CHECKSUM + +From boot protocol version 2.08 onwards the CRC-32 is calculated over +the entire file using the characteristic polynomial 0x04C11DB7 and an +initial remainder of 0xffffffff. The checksum is appended to the +file; therefore the CRC of the file up to the limit specified in the +syssize field of the header is always 0. + **** THE KERNEL COMMAND LINE The kernel command line has become an important way for the boot |