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| author | Huang, Ying <ying.huang@intel.com> | 2008-03-28 10:49:44 +0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-26 21:34:42 +0200 |
| commit | 8b664aa66e824a0ddf4ec56d41fa0cf7bb374de6 (patch) | |
| tree | 57c5de72c38f630e126964b922c379c4a7e49100 /arch/x86/boot/header.S | |
| parent | 50eae2a7c9862afe263a2003c12f457ecfc9e6a2 (diff) | |
| download | op-kernel-dev-8b664aa66e824a0ddf4ec56d41fa0cf7bb374de6.zip op-kernel-dev-8b664aa66e824a0ddf4ec56d41fa0cf7bb374de6.tar.gz | |
x86, boot: add linked list of struct setup_data
This patch adds a field of 64-bit physical pointer to NULL terminated
single linked list of struct setup_data to real-mode kernel
header. This is used as a more extensible boot parameters passing
mechanism.
Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/boot/header.S')
| -rw-r--r-- | arch/x86/boot/header.S | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S index 6d2df8d..af86e43 100644 --- a/arch/x86/boot/header.S +++ b/arch/x86/boot/header.S @@ -120,7 +120,7 @@ _start: # Part 2 of the header, from the old setup.S .ascii "HdrS" # header signature - .word 0x0208 # header version number (>= 0x0105) + .word 0x0209 # header version number (>= 0x0105) # or else old loadlin-1.5 will fail) .globl realmode_swtch realmode_swtch: .word 0, 0 # default_switch, SETUPSEG @@ -227,6 +227,10 @@ hardware_subarch_data: .quad 0 payload_offset: .long input_data payload_length: .long input_data_end-input_data +setup_data: .quad 0 # 64-bit physical pointer to + # single linked list of + # struct setup_data + # End of setup header ##################################################### .section ".inittext", "ax" |
