blob: 6ec3b4f7719b411c630599d55251c81fb50f2ec3 [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>
Sam Ravnborg08b6d292008-01-30 13:33:25 +01007#include <linux/init.h>
Jeremy Fitzhardinge5ead97c2007-07-17 18:37:04 -07008#include <asm/boot.h>
9#include <xen/interface/elfnote.h>
10
Sam Ravnborg08b6d292008-01-30 13:33:25 +010011 __INIT
Jeremy Fitzhardinge5ead97c2007-07-17 18:37:04 -070012ENTRY(startup_xen)
13 movl %esi,xen_start_info
14 cld
15 movl $(init_thread_union+THREAD_SIZE),%esp
16 jmp xen_start_kernel
Sam Ravnborg08b6d292008-01-30 13:33:25 +010017
18 __FINIT
Jeremy Fitzhardinge5ead97c2007-07-17 18:37:04 -070019
Jeremy Fitzhardingeebb9cfe2008-06-16 15:01:56 -070020.pushsection .text
Jeremy Fitzhardinge5ead97c2007-07-17 18:37:04 -070021 .align PAGE_SIZE_asm
22ENTRY(hypercall_page)
23 .skip 0x1000
24.popsection
25
Jeremy Fitzhardinge5ead97c2007-07-17 18:37:04 -070026 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")
Jeremy Fitzhardinge5ead97c2007-07-17 18:37:04 -070033 ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE, .asciz "yes")
Jeremy Fitzhardinge5ead97c2007-07-17 18:37:04 -070034 ELFNOTE(Xen, XEN_ELFNOTE_LOADER, .asciz "generic")
35
36#endif /*CONFIG_XEN */