diff options
Diffstat (limited to 'arch/i386/xen/xen-head.S')
-rw-r--r-- | arch/i386/xen/xen-head.S | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/i386/xen/xen-head.S b/arch/i386/xen/xen-head.S new file mode 100644 index 000000000000..2998d55a0017 --- /dev/null +++ b/arch/i386/xen/xen-head.S | |||
@@ -0,0 +1,36 @@ | |||
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 | 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 | |||
16 | .pushsection ".bss.page_aligned" | ||
17 | .align PAGE_SIZE_asm | ||
18 | ENTRY(hypercall_page) | ||
19 | .skip 0x1000 | ||
20 | .popsection | ||
21 | |||
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, .long __PAGE_OFFSET) | ||
26 | ELFNOTE(Xen, XEN_ELFNOTE_ENTRY, .long startup_xen) | ||
27 | ELFNOTE(Xen, XEN_ELFNOTE_HYPERCALL_PAGE, .long hypercall_page) | ||
28 | ELFNOTE(Xen, XEN_ELFNOTE_FEATURES, .asciz "!writable_page_tables|pae_pgdir_above_4gb") | ||
29 | #ifdef CONFIG_X86_PAE | ||
30 | ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE, .asciz "yes") | ||
31 | #else | ||
32 | ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE, .asciz "no") | ||
33 | #endif | ||
34 | ELFNOTE(Xen, XEN_ELFNOTE_LOADER, .asciz "generic") | ||
35 | |||
36 | #endif /*CONFIG_XEN */ | ||