2018-03-07 21:01:19 +08:00
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/*-
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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 _RTC_H_
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#define _RTC_H_
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#include "types.h"
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#define IO_RTC 0x070 /* RTC */
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2018-09-26 07:13:14 +08:00
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#define RTC_LMEM_LSB 0x34
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#define RTC_LMEM_MSB 0x35
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#define RTC_HMEM_LSB 0x5b
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#define RTC_HMEM_SB 0x5c
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#define RTC_HMEM_MSB 0x5d
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2018-03-07 21:01:19 +08:00
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struct vrtc;
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struct vmctx;
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2018-04-20 17:54:07 +08:00
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int vrtc_init(struct vmctx *ctx);
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void vrtc_enable_localtime(int l_time);
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2018-03-30 14:46:35 +08:00
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void vrtc_deinit(struct vmctx *ctx);
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2018-03-07 21:01:19 +08:00
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void vrtc_reset(struct vrtc *vrtc);
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time_t vrtc_get_time(struct vrtc *vrtc);
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int vrtc_set_time(struct vrtc *vrtc, time_t secs);
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int vrtc_nvram_read(struct vrtc *vrtc, int offset, uint8_t *retval);
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int vrtc_nvram_write(struct vrtc *vrtc, int offset, uint8_t value);
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int vrtc_addr_handler(struct vmctx *ctx, int vcpu, int in, int port,
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int bytes, uint32_t *eax, void *arg);
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int vrtc_data_handler(struct vmctx *ctx, int vcpu, int in, int port,
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int bytes, uint32_t *eax, void *arg);
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#endif
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