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Diffstat (limited to 'Documentation/arm64/booting.txt')
| -rw-r--r-- | Documentation/arm64/booting.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/arm64/booting.txt b/Documentation/arm64/booting.txt index beb754e87c6..37fc4f63217 100644 --- a/Documentation/arm64/booting.txt +++ b/Documentation/arm64/booting.txt @@ -85,6 +85,10 @@ The decompressed kernel image contains a 64-byte header as follows: Header notes: - code0/code1 are responsible for branching to stext. +- when booting through EFI, code0/code1 are initially skipped. + res5 is an offset to the PE header and the PE header has the EFI + entry point (efi_stub_entry). When the stub has done its work, it + jumps to code0 to resume the normal boot process. The image must be placed at the specified offset (currently 0x80000) from the start of the system RAM and called there. The start of the |