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   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 <linux/init.h>
   8 #include <asm/boot.h>
   9 #include <xen/interface/elfnote.h>
  10
  11         __INIT
  12 ENTRY(startup_xen)
  13         movl %esi,xen_start_info
  14         cld
  15         movl $(init_thread_union+THREAD_SIZE),%esp
  16         jmp xen_start_kernel
  17
  18         __FINIT
  19
  20 .pushsection .text
  21         .align PAGE_SIZE_asm
  22 ENTRY(hypercall_page)
  23         .skip 0x1000
  24 .popsection
  25
  26         ELFNOTE(Xen, XEN_ELFNOTE_GUEST_OS,       .asciz "linux")
  27         ELFNOTE(Xen, XEN_ELFNOTE_GUEST_VERSION,  .asciz "2.6")
  28         ELFNOTE(Xen, XEN_ELFNOTE_XEN_VERSION,    .asciz "xen-3.0")
  29         ELFNOTE(Xen, XEN_ELFNOTE_VIRT_BASE,      .long  __PAGE_OFFSET)
  30         ELFNOTE(Xen, XEN_ELFNOTE_ENTRY,          .long  startup_xen)
  31         ELFNOTE(Xen, XEN_ELFNOTE_HYPERCALL_PAGE, .long  hypercall_page)
  32         ELFNOTE(Xen, XEN_ELFNOTE_FEATURES,       .asciz "!writable_page_tables|pae_pgdir_above_4gb")
  33         ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE,       .asciz "yes")
  34         ELFNOTE(Xen, XEN_ELFNOTE_LOADER,         .asciz "generic")
  35
  36 #endif /*CONFIG_XEN */