| Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 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 | |
| Mathieu Desnoyers | 0852ec8c | 2007-08-22 14:01:59 -0700 | [diff] [blame^] | 10 | .pushsection .init.text |
| Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 11 | ENTRY(startup_xen) |
| 12 | movl %esi,xen_start_info |
| 13 | cld |
| 14 | movl $(init_thread_union+THREAD_SIZE),%esp |
| 15 | jmp xen_start_kernel |
| Mathieu Desnoyers | 0852ec8c | 2007-08-22 14:01:59 -0700 | [diff] [blame^] | 16 | .popsection |
| Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 17 | |
| Mathieu Desnoyers | 0852ec8c | 2007-08-22 14:01:59 -0700 | [diff] [blame^] | 18 | .pushsection .bss.page_aligned |
| Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 19 | .align PAGE_SIZE_asm |
| 20 | ENTRY(hypercall_page) |
| 21 | .skip 0x1000 |
| 22 | .popsection |
| 23 | |
| Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 24 | ELFNOTE(Xen, XEN_ELFNOTE_GUEST_OS, .asciz "linux") |
| 25 | ELFNOTE(Xen, XEN_ELFNOTE_GUEST_VERSION, .asciz "2.6") |
| 26 | ELFNOTE(Xen, XEN_ELFNOTE_XEN_VERSION, .asciz "xen-3.0") |
| 27 | ELFNOTE(Xen, XEN_ELFNOTE_VIRT_BASE, .long __PAGE_OFFSET) |
| 28 | ELFNOTE(Xen, XEN_ELFNOTE_ENTRY, .long startup_xen) |
| 29 | ELFNOTE(Xen, XEN_ELFNOTE_HYPERCALL_PAGE, .long hypercall_page) |
| 30 | ELFNOTE(Xen, XEN_ELFNOTE_FEATURES, .asciz "!writable_page_tables|pae_pgdir_above_4gb") |
| 31 | #ifdef CONFIG_X86_PAE |
| 32 | ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE, .asciz "yes") |
| 33 | #else |
| 34 | ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE, .asciz "no") |
| 35 | #endif |
| 36 | ELFNOTE(Xen, XEN_ELFNOTE_LOADER, .asciz "generic") |
| 37 | |
| 38 | #endif /*CONFIG_XEN */ |