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 <linux/init.h> 8 9#include <asm/boot.h> 10#include <asm/asm.h> 11#include <asm/page_types.h> 12 13#include <xen/interface/elfnote.h> 14#include <asm/xen/interface.h> 15 16 __INIT 17ENTRY(startup_xen) 18 cld 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 26 jmp xen_start_kernel 27 28 __FINIT 29 30.pushsection .text 31 .align PAGE_SIZE_asm 32ENTRY(hypercall_page) 33 .skip PAGE_SIZE_asm 34.popsection 35 36 ELFNOTE(Xen, XEN_ELFNOTE_GUEST_OS, .asciz "linux") 37 ELFNOTE(Xen, XEN_ELFNOTE_GUEST_VERSION, .asciz "2.6") 38 ELFNOTE(Xen, XEN_ELFNOTE_XEN_VERSION, .asciz "xen-3.0") 39#ifdef CONFIG_X86_32 40 ELFNOTE(Xen, XEN_ELFNOTE_VIRT_BASE, _ASM_PTR __PAGE_OFFSET) 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) 46 ELFNOTE(Xen, XEN_ELFNOTE_FEATURES, .asciz "!writable_page_tables|pae_pgdir_above_4gb") 47 ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE, .asciz "yes") 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) 54 55#endif /*CONFIG_XEN */ 56