| /* Xen-specific pieces of head.S, intended to be included in the right |
| place in head.S */ |
| |
| #ifdef CONFIG_XEN |
| |
| #include <linux/elfnote.h> |
| #include <linux/init.h> |
| |
| #include <asm/boot.h> |
| #include <asm/asm.h> |
| #include <asm/page_types.h> |
| |
| #include <xen/interface/elfnote.h> |
| #include <asm/xen/interface.h> |
| |
| __INIT |
| ENTRY(startup_xen) |
| cld |
| #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 |
| |
| .pushsection .text |
| .align PAGE_SIZE_asm |
| ENTRY(hypercall_page) |
| .skip PAGE_SIZE_asm |
| .popsection |
| |
| 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") |
| ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE, .asciz "yes") |
| ELFNOTE(Xen, XEN_ELFNOTE_LOADER, .asciz "generic") |
| ELFNOTE(Xen, XEN_ELFNOTE_L1_MFN_VALID, |
| .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 */ |