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 <asm/asm.h>
  8. #include <xen/interface/elfnote.h>
  9. #include <asm/xen/interface.h>
  10. __INIT
  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. __FINIT
  17. .pushsection .text
  18. .align PAGE_SIZE_asm
  19. ENTRY(hypercall_page)
  20. .skip PAGE_SIZE_asm
  21. .popsection
  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, _ASM_PTR __PAGE_OFFSET)
  26. ELFNOTE(Xen, XEN_ELFNOTE_ENTRY, _ASM_PTR startup_xen)
  27. ELFNOTE(Xen, XEN_ELFNOTE_HYPERCALL_PAGE, _ASM_PTR hypercall_page)
  28. ELFNOTE(Xen, XEN_ELFNOTE_FEATURES, .asciz "!writable_page_tables|pae_pgdir_above_4gb")
  29. ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE, .asciz "yes")
  30. ELFNOTE(Xen, XEN_ELFNOTE_LOADER, .asciz "generic")
  31. ELFNOTE(Xen, XEN_ELFNOTE_L1_MFN_VALID,
  32. .quad _PAGE_PRESENT; .quad _PAGE_PRESENT)
  33. ELFNOTE(Xen, XEN_ELFNOTE_SUSPEND_CANCEL, .long 1)
  34. ELFNOTE(Xen, XEN_ELFNOTE_HV_START_LOW, _ASM_PTR __HYPERVISOR_VIRT_START)
  35. #endif /*CONFIG_XEN */