xen-head.S 1.3 KB

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  1. /* Xen-specific pieces of head.S, intended to be included in the right
  2. place in head.S */
  3. #ifdef CONFIG_XEN
  4. #include <linux/elfnote.h>
  5. #include <linux/init.h>
  6. #include <asm/boot.h>
  7. #include <xen/interface/elfnote.h>
  8. #include <asm/xen/interface.h>
  9. __INIT
  10. ENTRY(startup_xen)
  11. movl %esi,xen_start_info
  12. cld
  13. movl $(init_thread_union+THREAD_SIZE),%esp
  14. jmp xen_start_kernel
  15. __FINIT
  16. .pushsection .text
  17. .align PAGE_SIZE_asm
  18. ENTRY(hypercall_page)
  19. .skip 0x1000
  20. .popsection
  21. ELFNOTE(Xen, XEN_ELFNOTE_GUEST_OS, .asciz "linux")
  22. ELFNOTE(Xen, XEN_ELFNOTE_GUEST_VERSION, .asciz "2.6")
  23. ELFNOTE(Xen, XEN_ELFNOTE_XEN_VERSION, .asciz "xen-3.0")
  24. ELFNOTE(Xen, XEN_ELFNOTE_VIRT_BASE, .long __PAGE_OFFSET)
  25. ELFNOTE(Xen, XEN_ELFNOTE_ENTRY, .long startup_xen)
  26. ELFNOTE(Xen, XEN_ELFNOTE_HYPERCALL_PAGE, .long hypercall_page)
  27. ELFNOTE(Xen, XEN_ELFNOTE_FEATURES, .asciz "!writable_page_tables|pae_pgdir_above_4gb")
  28. ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE, .asciz "yes")
  29. ELFNOTE(Xen, XEN_ELFNOTE_LOADER, .asciz "generic")
  30. ELFNOTE(Xen, XEN_ELFNOTE_L1_MFN_VALID,
  31. .quad _PAGE_PRESENT; .quad _PAGE_PRESENT)
  32. ELFNOTE(Xen, XEN_ELFNOTE_SUSPEND_CANCEL, .long 1)
  33. ELFNOTE(Xen, XEN_ELFNOTE_HV_START_LOW, .long __HYPERVISOR_VIRT_START)
  34. #endif /*CONFIG_XEN */