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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2008-07-08 15:06:44 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-16 10:58:41 +0200 |
| commit | 8c5e5ac32fe08793246709fbb94c055ec76a7c0e (patch) | |
| tree | 1aaaa79ab8351f406d79f7e60fdf7991566dc5c4 /arch/x86/xen | |
| parent | c7b75947f89d45493562ede6d9ee7311dfa5c4ce (diff) | |
| download | blackbird-obmc-linux-8c5e5ac32fe08793246709fbb94c055ec76a7c0e.tar.gz blackbird-obmc-linux-8c5e5ac32fe08793246709fbb94c055ec76a7c0e.zip | |
xen64: add xen-head code to head_64.S
Add the Xen entrypoint and ELF notes to head_64.S. Adapts xen-head.S
to compile either 32-bit or 64-bit.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: Stephen Tweedie <sct@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/xen')
| -rw-r--r-- | arch/x86/xen/xen-head.S | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/arch/x86/xen/xen-head.S b/arch/x86/xen/xen-head.S index a9cac9dc04be..63d49a523ed3 100644 --- a/arch/x86/xen/xen-head.S +++ b/arch/x86/xen/xen-head.S @@ -8,15 +8,21 @@ #include <asm/boot.h> #include <asm/asm.h> +#include <asm/page.h> #include <xen/interface/elfnote.h> #include <asm/xen/interface.h> __INIT ENTRY(startup_xen) - movl %esi,xen_start_info cld - movl $(init_thread_union+THREAD_SIZE),%esp +#ifdef CONFIG_X86_32 + mov %esi,xen_start_info + mov $init_thread_union+THREAD_SIZE,%esp +#else + mov %rsi,xen_start_info + mov $init_thread_union+THREAD_SIZE,%rsp +#endif jmp xen_start_kernel __FINIT @@ -30,7 +36,11 @@ ENTRY(hypercall_page) ELFNOTE(Xen, XEN_ELFNOTE_GUEST_OS, .asciz "linux") ELFNOTE(Xen, XEN_ELFNOTE_GUEST_VERSION, .asciz "2.6") ELFNOTE(Xen, XEN_ELFNOTE_XEN_VERSION, .asciz "xen-3.0") +#ifdef CONFIG_X86_32 ELFNOTE(Xen, XEN_ELFNOTE_VIRT_BASE, _ASM_PTR __PAGE_OFFSET) +#else + ELFNOTE(Xen, XEN_ELFNOTE_VIRT_BASE, _ASM_PTR __START_KERNEL_map) +#endif ELFNOTE(Xen, XEN_ELFNOTE_ENTRY, _ASM_PTR startup_xen) ELFNOTE(Xen, XEN_ELFNOTE_HYPERCALL_PAGE, _ASM_PTR hypercall_page) ELFNOTE(Xen, XEN_ELFNOTE_FEATURES, .asciz "!writable_page_tables|pae_pgdir_above_4gb") @@ -40,5 +50,6 @@ ENTRY(hypercall_page) .quad _PAGE_PRESENT; .quad _PAGE_PRESENT) ELFNOTE(Xen, XEN_ELFNOTE_SUSPEND_CANCEL, .long 1) ELFNOTE(Xen, XEN_ELFNOTE_HV_START_LOW, _ASM_PTR __HYPERVISOR_VIRT_START) + ELFNOTE(Xen, XEN_ELFNOTE_PADDR_OFFSET, _ASM_PTR 0) #endif /*CONFIG_XEN */ |
