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/*-
* Copyright (c) 2003 Peter Wemm <peter@FreeBSD.org>
* Copyright (c) 2011-2012 Spectra Logic Corporation
* Copyright (c) 2013 Roger Pau Monne <royger@FreeBSD.org>
* All rights reserved.
*
* This software was developed by Cherry G. Mathew <cherry@zyx.in>
* under sponsorship from Spectra Logic Corporation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <machine/asmacros.h>
#include <machine/psl.h>
#include <machine/pmap.h>
#include <machine/specialreg.h>
#include <xen/xen-os.h>
#define __ASSEMBLY__
#include <xen/interface/elfnote.h>
#include "assym.s"
.section __xen_guest
ELFNOTE(Xen, XEN_ELFNOTE_GUEST_OS, .asciz, "FreeBSD")
ELFNOTE(Xen, XEN_ELFNOTE_GUEST_VERSION, .asciz, __XSTRING(__FreeBSD_version))
ELFNOTE(Xen, XEN_ELFNOTE_XEN_VERSION, .asciz, "xen-3.0")
ELFNOTE(Xen, XEN_ELFNOTE_VIRT_BASE, .quad, KERNBASE)
ELFNOTE(Xen, XEN_ELFNOTE_PADDR_OFFSET, .quad, 0)
ELFNOTE(Xen, XEN_ELFNOTE_ENTRY, .quad, xen_start)
ELFNOTE(Xen, XEN_ELFNOTE_HYPERCALL_PAGE, .quad, hypercall_page)
ELFNOTE(Xen, XEN_ELFNOTE_HV_START_LOW, .quad, HYPERVISOR_VIRT_START)
ELFNOTE(Xen, XEN_ELFNOTE_FEATURES, .asciz, "writable_descriptor_tables|auto_translated_physmap|supervisor_mode_kernel|hvm_callback_vector")
ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE, .asciz, "yes")
ELFNOTE(Xen, XEN_ELFNOTE_L1_MFN_VALID, .long, PG_V, PG_V)
ELFNOTE(Xen, XEN_ELFNOTE_LOADER, .asciz, "generic")
ELFNOTE(Xen, XEN_ELFNOTE_SUSPEND_CANCEL, .long, 0)
ELFNOTE(Xen, XEN_ELFNOTE_BSD_SYMTAB, .asciz, "yes")
.text
.p2align PAGE_SHIFT, 0x90 /* Hypercall_page needs to be PAGE aligned */
NON_GPROF_ENTRY(hypercall_page)
.skip 0x1000, 0x90 /* Fill with "nop"s */
NON_GPROF_ENTRY(xen_start)
/* Don't trust what the loader gives for rflags. */
pushq $PSL_KERNEL
popfq
/* Parameters for the xen init function */
movq %rsi, %rdi /* shared_info (arg 1) */
movq %rsp, %rsi /* xenstack (arg 2) */
/* Use our own stack */
movq $bootstack,%rsp
xorl %ebp, %ebp
/* u_int64_t hammer_time_xen(start_info_t *si, u_int64_t xenstack); */
call hammer_time_xen
movq %rax, %rsp /* set up kstack for mi_startup() */
call mi_startup /* autoconfiguration, mountroot etc */
/* NOTREACHED */
0: hlt
jmp 0b
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