i386: move xen
[linux-3.10.git] / arch / x86 / xen / xen-head.S
1 /* 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
10 .pushsection .init.text
11 ENTRY(startup_xen)
12         movl %esi,xen_start_info
13         cld
14         movl $(init_thread_union+THREAD_SIZE),%esp
15         jmp xen_start_kernel
16 .popsection
17
18 .pushsection .bss.page_aligned
19         .align PAGE_SIZE_asm
20 ENTRY(hypercall_page)
21         .skip 0x1000
22 .popsection
23
24         ELFNOTE(Xen, XEN_ELFNOTE_GUEST_OS,       .asciz "linux")
25         ELFNOTE(Xen, XEN_ELFNOTE_GUEST_VERSION,  .asciz "2.6")
26         ELFNOTE(Xen, XEN_ELFNOTE_XEN_VERSION,    .asciz "xen-3.0")
27         ELFNOTE(Xen, XEN_ELFNOTE_VIRT_BASE,      .long  __PAGE_OFFSET)
28         ELFNOTE(Xen, XEN_ELFNOTE_ENTRY,          .long  startup_xen)
29         ELFNOTE(Xen, XEN_ELFNOTE_HYPERCALL_PAGE, .long  hypercall_page)
30         ELFNOTE(Xen, XEN_ELFNOTE_FEATURES,       .asciz "!writable_page_tables|pae_pgdir_above_4gb")
31 #ifdef CONFIG_X86_PAE
32         ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE,       .asciz "yes")
33 #else
34         ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE,       .asciz "no")
35 #endif
36         ELFNOTE(Xen, XEN_ELFNOTE_LOADER,         .asciz "generic")
37
38 #endif /*CONFIG_XEN */