0c29fe6db8
Submitted by: Jun Su <junsu microsoft com> Reviewed by: jhb, kib, sephe Sponsored by: Microsoft OSTC Differential Revision: https://reviews.freebsd.org/D5910
47 lines
1.7 KiB
ArmAsm
47 lines
1.7 KiB
ArmAsm
/*-
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* Copyright (c) 2016 Microsoft Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <machine/asmacros.h>
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#include <machine/specialreg.h>
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#include "assym.s"
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/*
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* This is the Hyper-V vmbus channel direct callback interrupt.
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* Only used when it is running on Hyper-V.
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*/
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.text
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SUPERALIGN_TEXT
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IDTVEC(hv_vmbus_callback)
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PUSH_FRAME
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FAKE_MCOUNT(TF_RIP(%rsp))
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movq %rsp, %rdi
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call hv_vector_handler
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MEXITCOUNT
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jmp doreti
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