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-rw-r--r--arch/x86/xen/xen-head.S31
1 files changed, 25 insertions, 6 deletions
diff --git a/arch/x86/xen/xen-head.S b/arch/x86/xen/xen-head.S
index 6ec3b4f7719b..63d49a523ed3 100644
--- a/arch/x86/xen/xen-head.S
+++ b/arch/x86/xen/xen-head.S
@@ -5,14 +5,24 @@
5 5
6#include <linux/elfnote.h> 6#include <linux/elfnote.h>
7#include <linux/init.h> 7#include <linux/init.h>
8
8#include <asm/boot.h> 9#include <asm/boot.h>
10#include <asm/asm.h>
11#include <asm/page.h>
12
9#include <xen/interface/elfnote.h> 13#include <xen/interface/elfnote.h>
14#include <asm/xen/interface.h>
10 15
11 __INIT 16 __INIT
12ENTRY(startup_xen) 17ENTRY(startup_xen)
13 movl %esi,xen_start_info
14 cld 18 cld
15 movl $(init_thread_union+THREAD_SIZE),%esp 19#ifdef CONFIG_X86_32
20 mov %esi,xen_start_info
21 mov $init_thread_union+THREAD_SIZE,%esp
22#else
23 mov %rsi,xen_start_info
24 mov $init_thread_union+THREAD_SIZE,%rsp
25#endif
16 jmp xen_start_kernel 26 jmp xen_start_kernel
17 27
18 __FINIT 28 __FINIT
@@ -20,17 +30,26 @@ ENTRY(startup_xen)
20.pushsection .text 30.pushsection .text
21 .align PAGE_SIZE_asm 31 .align PAGE_SIZE_asm
22ENTRY(hypercall_page) 32ENTRY(hypercall_page)
23 .skip 0x1000 33 .skip PAGE_SIZE_asm
24.popsection 34.popsection
25 35
26 ELFNOTE(Xen, XEN_ELFNOTE_GUEST_OS, .asciz "linux") 36 ELFNOTE(Xen, XEN_ELFNOTE_GUEST_OS, .asciz "linux")
27 ELFNOTE(Xen, XEN_ELFNOTE_GUEST_VERSION, .asciz "2.6") 37 ELFNOTE(Xen, XEN_ELFNOTE_GUEST_VERSION, .asciz "2.6")
28 ELFNOTE(Xen, XEN_ELFNOTE_XEN_VERSION, .asciz "xen-3.0") 38 ELFNOTE(Xen, XEN_ELFNOTE_XEN_VERSION, .asciz "xen-3.0")
29 ELFNOTE(Xen, XEN_ELFNOTE_VIRT_BASE, .long __PAGE_OFFSET) 39#ifdef CONFIG_X86_32
30 ELFNOTE(Xen, XEN_ELFNOTE_ENTRY, .long startup_xen) 40 ELFNOTE(Xen, XEN_ELFNOTE_VIRT_BASE, _ASM_PTR __PAGE_OFFSET)
31 ELFNOTE(Xen, XEN_ELFNOTE_HYPERCALL_PAGE, .long hypercall_page) 41#else
42 ELFNOTE(Xen, XEN_ELFNOTE_VIRT_BASE, _ASM_PTR __START_KERNEL_map)
43#endif
44 ELFNOTE(Xen, XEN_ELFNOTE_ENTRY, _ASM_PTR startup_xen)
45 ELFNOTE(Xen, XEN_ELFNOTE_HYPERCALL_PAGE, _ASM_PTR hypercall_page)
32 ELFNOTE(Xen, XEN_ELFNOTE_FEATURES, .asciz "!writable_page_tables|pae_pgdir_above_4gb") 46 ELFNOTE(Xen, XEN_ELFNOTE_FEATURES, .asciz "!writable_page_tables|pae_pgdir_above_4gb")
33 ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE, .asciz "yes") 47 ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE, .asciz "yes")
34 ELFNOTE(Xen, XEN_ELFNOTE_LOADER, .asciz "generic") 48 ELFNOTE(Xen, XEN_ELFNOTE_LOADER, .asciz "generic")
49 ELFNOTE(Xen, XEN_ELFNOTE_L1_MFN_VALID,
50 .quad _PAGE_PRESENT; .quad _PAGE_PRESENT)
51 ELFNOTE(Xen, XEN_ELFNOTE_SUSPEND_CANCEL, .long 1)
52 ELFNOTE(Xen, XEN_ELFNOTE_HV_START_LOW, _ASM_PTR __HYPERVISOR_VIRT_START)
53 ELFNOTE(Xen, XEN_ELFNOTE_PADDR_OFFSET, _ASM_PTR 0)
35 54
36#endif /*CONFIG_XEN */ 55#endif /*CONFIG_XEN */