| 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 | 7077c33 | 2008-07-08 15:06:35 -0700 | [diff] [blame] | 8 | |
| Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 9 | #include <asm/boot.h> |
| Jeremy Fitzhardinge | 7077c33 | 2008-07-08 15:06:35 -0700 | [diff] [blame] | 10 | #include <asm/asm.h> |
| 11 | |
| Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 12 | #include <xen/interface/elfnote.h> |
| Jeremy Fitzhardinge | 7e0edc1 | 2008-05-31 01:33:04 +0100 | [diff] [blame] | 13 | #include <asm/xen/interface.h> |
| Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 14 | |
| Sam Ravnborg | 08b6d29 | 2008-01-30 13:33:25 +0100 | [diff] [blame] | 15 | __INIT |
| Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 16 | ENTRY(startup_xen) |
| 17 | movl %esi,xen_start_info |
| 18 | cld |
| 19 | movl $(init_thread_union+THREAD_SIZE),%esp |
| 20 | jmp xen_start_kernel |
| Sam Ravnborg | 08b6d29 | 2008-01-30 13:33:25 +0100 | [diff] [blame] | 21 | |
| 22 | __FINIT |
| Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 23 | |
| Jeremy Fitzhardinge | a987b16 | 2008-06-16 15:01:56 -0700 | [diff] [blame] | 24 | .pushsection .text |
| Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 25 | .align PAGE_SIZE_asm |
| 26 | ENTRY(hypercall_page) |
| Jeremy Fitzhardinge | 7077c33 | 2008-07-08 15:06:35 -0700 | [diff] [blame] | 27 | .skip PAGE_SIZE_asm |
| Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 28 | .popsection |
| 29 | |
| Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 30 | ELFNOTE(Xen, XEN_ELFNOTE_GUEST_OS, .asciz "linux") |
| 31 | ELFNOTE(Xen, XEN_ELFNOTE_GUEST_VERSION, .asciz "2.6") |
| 32 | ELFNOTE(Xen, XEN_ELFNOTE_XEN_VERSION, .asciz "xen-3.0") |
| Jeremy Fitzhardinge | 7077c33 | 2008-07-08 15:06:35 -0700 | [diff] [blame] | 33 | ELFNOTE(Xen, XEN_ELFNOTE_VIRT_BASE, _ASM_PTR __PAGE_OFFSET) |
| 34 | ELFNOTE(Xen, XEN_ELFNOTE_ENTRY, _ASM_PTR startup_xen) |
| 35 | ELFNOTE(Xen, XEN_ELFNOTE_HYPERCALL_PAGE, _ASM_PTR hypercall_page) |
| Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 36 | 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] | 37 | ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE, .asciz "yes") |
| Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 38 | ELFNOTE(Xen, XEN_ELFNOTE_LOADER, .asciz "generic") |
| Jeremy Fitzhardinge | 7e0edc1 | 2008-05-31 01:33:04 +0100 | [diff] [blame] | 39 | ELFNOTE(Xen, XEN_ELFNOTE_L1_MFN_VALID, |
| 40 | .quad _PAGE_PRESENT; .quad _PAGE_PRESENT) |
| 41 | ELFNOTE(Xen, XEN_ELFNOTE_SUSPEND_CANCEL, .long 1) |
| Jeremy Fitzhardinge | 7077c33 | 2008-07-08 15:06:35 -0700 | [diff] [blame] | 42 | ELFNOTE(Xen, XEN_ELFNOTE_HV_START_LOW, _ASM_PTR __HYPERVISOR_VIRT_START) |
| Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 43 | |
| 44 | #endif /*CONFIG_XEN */ |