2014-12-30 22:19:34 +00:00
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/*-
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2018-06-13 07:02:58 +00:00
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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2014-12-30 22:19:34 +00:00
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* Copyright (c) 2014 Neel Natu (neel@freebsd.org)
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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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#ifndef _VRTC_H_
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#define _VRTC_H_
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#include <isa/isareg.h>
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struct vrtc;
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struct vrtc *vrtc_init(struct vm *vm);
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void vrtc_cleanup(struct vrtc *vrtc);
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void vrtc_reset(struct vrtc *vrtc);
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time_t vrtc_get_time(struct vm *vm);
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int vrtc_set_time(struct vm *vm, time_t secs);
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int vrtc_nvram_write(struct vm *vm, int offset, uint8_t value);
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int vrtc_nvram_read(struct vm *vm, int offset, uint8_t *retval);
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int vrtc_addr_handler(struct vm *vm, int vcpuid, bool in, int port, int bytes,
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uint32_t *val);
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int vrtc_data_handler(struct vm *vm, int vcpuid, bool in, int port, int bytes,
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uint32_t *val);
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#endif
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