blob: 2998d55a001790b96196b04dabd3718067bc9629 [file] [log] [blame]
Jeremy Fitzhardinge5ead97c2007-07-17 18:37:04 -07001/* Xen-specific pieces of head.S, intended to be included in the right
2 place in head.S */
3
4#ifdef CONFIG_XEN
5
6#include <linux/elfnote.h>
7#include <asm/boot.h>
8#include <xen/interface/elfnote.h>
9
10ENTRY(startup_xen)
11 movl %esi,xen_start_info
12 cld
13 movl $(init_thread_union+THREAD_SIZE),%esp
14 jmp xen_start_kernel
15
16.pushsection ".bss.page_aligned"
17 .align PAGE_SIZE_asm
18ENTRY(hypercall_page)
19 .skip 0x1000
20.popsection
21
22 ELFNOTE(Xen, XEN_ELFNOTE_GUEST_OS, .asciz "linux")
23 ELFNOTE(Xen, XEN_ELFNOTE_GUEST_VERSION, .asciz "2.6")
24 ELFNOTE(Xen, XEN_ELFNOTE_XEN_VERSION, .asciz "xen-3.0")
25 ELFNOTE(Xen, XEN_ELFNOTE_VIRT_BASE, .long __PAGE_OFFSET)
26 ELFNOTE(Xen, XEN_ELFNOTE_ENTRY, .long startup_xen)
27 ELFNOTE(Xen, XEN_ELFNOTE_HYPERCALL_PAGE, .long hypercall_page)
28 ELFNOTE(Xen, XEN_ELFNOTE_FEATURES, .asciz "!writable_page_tables|pae_pgdir_above_4gb")
29#ifdef CONFIG_X86_PAE
30 ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE, .asciz "yes")
31#else
32 ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE, .asciz "no")
33#endif
34 ELFNOTE(Xen, XEN_ELFNOTE_LOADER, .asciz "generic")
35
36#endif /*CONFIG_XEN */