diff options
| author | Ian Campbell <ijc@hellion.org.uk> | 2008-02-13 20:54:58 +0000 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-17 17:40:46 +0200 |
| commit | 099e1377269a47ed30a00ee131001988e5bcaa9c (patch) | |
| tree | 2bf2f02aa44db93a9e8b1f4ef76ac08d3a732a46 /Documentation/i386 | |
| parent | e0bf0f75bdc441abb05365abc56ee96ba44ca073 (diff) | |
x86: use ELF format in compressed images.
Signed-off-by: Ian Campbell <ijc@hellion.org.uk>
Cc: Ian Campbell <ijc@hellion.org.uk>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: virtualization@lists.linux-foundation.org
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: virtualization@lists.linux-foundation.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'Documentation/i386')
| -rw-r--r-- | Documentation/i386/boot.txt | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/Documentation/i386/boot.txt b/Documentation/i386/boot.txt index fc49b79bc1ab..b5f5ba1ea668 100644 --- a/Documentation/i386/boot.txt +++ b/Documentation/i386/boot.txt @@ -170,6 +170,8 @@ Offset Proto Name Meaning 0238/4 2.06+ cmdline_size Maximum size of the kernel command line 023C/4 2.07+ hardware_subarch Hardware subarchitecture 0240/8 2.07+ hardware_subarch_data Subarchitecture-specific data +0248/4 2.08+ compressed_payload_offset +024C/4 2.08+ compressed_payload_length (1) For backwards compatibility, if the setup_sects field contains 0, the real value is 4. @@ -512,6 +514,22 @@ Protocol: 2.07+ A pointer to data that is specific to hardware subarch +Field name: compressed_payload_offset +Type: read +Offset/size: 0x248/4 +Protocol: 2.08+ + + If non-zero then this field contains the offset from the end of the + real-mode code to the compressed payload. The compression format + should be determined using the standard magic number, currently only + gzip is used. + +Field name: compressed_payload_length +Type: read +Offset/size: 0x24c/4 +Protocol: 2.08+ + + The length of the compressed payload. **** THE KERNEL COMMAND LINE |