2 # Copyright (c) 2006 Martin Decky
5 # Redistribution and use in source and binary forms, with or without
6 # modification, are permitted provided that the following conditions
9 # - Redistributions of source code must retain the above copyright
10 # notice, this list of conditions and the following disclaimer.
11 # - Redistributions in binary form must reproduce the above copyright
12 # notice, this list of conditions and the following disclaimer in the
13 # documentation and/or other materials provided with the distribution.
14 # - The name of the author may not be used to endorse or promote products
15 # derived from this software without specific prior written permission.
17 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 #include <arch/boot/boot.h>
30 #include <arch/mm/page.h>
33 #define ELFNOTE(name, type, desctype, descval) \
34 .section .note.name; \
44 ELFNOTE(Xen, XEN_ELFNOTE_GUEST_OS, .asciz, "HelenOS")
45 ELFNOTE(Xen, XEN_ELFNOTE_GUEST_VERSION, .asciz, RELEASE)
46 ELFNOTE(Xen, XEN_ELFNOTE_XEN_VERSION, .asciz, "xen-3.0")
47 ELFNOTE(Xen, XEN_ELFNOTE_VIRT_BASE, .long, PA2KA(BOOT_OFFSET))
48 ELFNOTE(Xen, XEN_ELFNOTE_PADDR_OFFSET, .long, 0)
49 ELFNOTE(Xen, XEN_ELFNOTE_ENTRY, .long, kernel_image_start)
50 ELFNOTE(Xen, XEN_ELFNOTE_HYPERCALL_PAGE, .long, hypercall_page)
51 ELFNOTE(Xen, XEN_ELFNOTE_FEATURES, .asciz, "auto_translated_physmap|supervisor_mode_kernel")
52 ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE, .asciz, "no")
53 ELFNOTE(Xen, XEN_ELFNOTE_LOADER, .asciz, "generic")
59 .global kernel_image_start
62 # copy start_info (esi initialized by Xen)
64 movl $start_info, %edi
65 movl $START_INFO_SIZE >> 2, %ecx
69 # switch to temporal kernel stack
71 movl $kernel_stack, %esp
74 call main_bsp # never returns
80 .space TEMP_STACK_SIZE
83 .section K_TEXT_START, "aw", @progbits
84 .global hypercall_page
99 # Xen 3.0.3 ELF loader is somehow buggy
100 # thus this workaround