| 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> |
| Sam Ravnborg | 08b6d29 | 2008-01-30 13:33:25 +0100 | [diff] [blame] | 7 | #include <linux/init.h> |
| Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 8 | #include <asm/boot.h> |
| 9 | #include <xen/interface/elfnote.h> |
| Jeremy Fitzhardinge | 7e0edc1 | 2008-05-31 01:33:04 +0100 | [diff] [blame] | 10 | #include <asm/xen/interface.h> |
| Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 11 | |
| Sam Ravnborg | 08b6d29 | 2008-01-30 13:33:25 +0100 | [diff] [blame] | 12 | __INIT |
| Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 13 | ENTRY(startup_xen) |
| 14 | movl %esi,xen_start_info |
| 15 | cld |
| 16 | movl $(init_thread_union+THREAD_SIZE),%esp |
| 17 | jmp xen_start_kernel |
| Sam Ravnborg | 08b6d29 | 2008-01-30 13:33:25 +0100 | [diff] [blame] | 18 | |
| 19 | __FINIT |
| Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 20 | |
| Mathieu Desnoyers | 0852ec8 | 2007-08-22 14:01:59 -0700 | [diff] [blame] | 21 | .pushsection .bss.page_aligned |
| Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 22 | .align PAGE_SIZE_asm |
| 23 | ENTRY(hypercall_page) |
| 24 | .skip 0x1000 |
| 25 | .popsection |
| 26 | |
| Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 27 | ELFNOTE(Xen, XEN_ELFNOTE_GUEST_OS, .asciz "linux") |
| 28 | ELFNOTE(Xen, XEN_ELFNOTE_GUEST_VERSION, .asciz "2.6") |
| 29 | ELFNOTE(Xen, XEN_ELFNOTE_XEN_VERSION, .asciz "xen-3.0") |
| 30 | ELFNOTE(Xen, XEN_ELFNOTE_VIRT_BASE, .long __PAGE_OFFSET) |
| 31 | ELFNOTE(Xen, XEN_ELFNOTE_ENTRY, .long startup_xen) |
| 32 | ELFNOTE(Xen, XEN_ELFNOTE_HYPERCALL_PAGE, .long hypercall_page) |
| 33 | ELFNOTE(Xen, XEN_ELFNOTE_FEATURES, .asciz "!writable_page_tables|pae_pgdir_above_4gb") |
| Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 34 | ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE, .asciz "yes") |
| Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 35 | ELFNOTE(Xen, XEN_ELFNOTE_LOADER, .asciz "generic") |
| Jeremy Fitzhardinge | 7e0edc1 | 2008-05-31 01:33:04 +0100 | [diff] [blame] | 36 | ELFNOTE(Xen, XEN_ELFNOTE_L1_MFN_VALID, |
| 37 | .quad _PAGE_PRESENT; .quad _PAGE_PRESENT) |
| 38 | ELFNOTE(Xen, XEN_ELFNOTE_SUSPEND_CANCEL, .long 1) |
| 39 | ELFNOTE(Xen, XEN_ELFNOTE_HV_START_LOW, .long __HYPERVISOR_VIRT_START) |
| Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 40 | |
| 41 | #endif /*CONFIG_XEN */ |