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156 lines
4.2 KiB
156 lines
4.2 KiB
/*
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* Copyright (c) 2004 Ulrich Drepper <drepper@redhat.com>
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* Copyright (c) 2004-2016 Dmitry V. Levin <ldv@altlinux.org>
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* Copyright (c) 2015-2018 The strace developers.
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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, this list of conditions and the following 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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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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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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#include "defs.h"
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#include DEF_MPERS_TYPE(struct_rtc_pll_info)
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#include <linux/ioctl.h>
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#include <linux/rtc.h>
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typedef struct rtc_pll_info struct_rtc_pll_info;
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#include MPERS_DEFS
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static void
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print_rtc_time(struct tcb *tcp, const struct rtc_time *rt)
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{
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tprintf("{tm_sec=%d, tm_min=%d, tm_hour=%d, "
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"tm_mday=%d, tm_mon=%d, tm_year=%d, ",
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rt->tm_sec, rt->tm_min, rt->tm_hour,
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rt->tm_mday, rt->tm_mon, rt->tm_year);
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if (!abbrev(tcp))
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tprintf("tm_wday=%d, tm_yday=%d, tm_isdst=%d}",
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rt->tm_wday, rt->tm_yday, rt->tm_isdst);
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else
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tprints("...}");
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}
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static void
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decode_rtc_time(struct tcb *const tcp, const kernel_ulong_t addr)
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{
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struct rtc_time rt;
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if (!umove_or_printaddr(tcp, addr, &rt))
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print_rtc_time(tcp, &rt);
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}
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static void
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decode_rtc_wkalrm(struct tcb *const tcp, const kernel_ulong_t addr)
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{
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struct rtc_wkalrm wk;
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if (!umove_or_printaddr(tcp, addr, &wk)) {
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tprintf("{enabled=%d, pending=%d, time=", wk.enabled, wk.pending);
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print_rtc_time(tcp, &wk.time);
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tprints("}");
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}
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}
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static void
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decode_rtc_pll_info(struct tcb *const tcp, const kernel_ulong_t addr)
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{
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struct_rtc_pll_info pll;
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if (!umove_or_printaddr(tcp, addr, &pll))
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tprintf("{pll_ctrl=%d, pll_value=%d, pll_max=%d, pll_min=%d"
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", pll_posmult=%d, pll_negmult=%d, pll_clock=%ld}",
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pll.pll_ctrl, pll.pll_value, pll.pll_max, pll.pll_min,
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pll.pll_posmult, pll.pll_negmult, (long) pll.pll_clock);
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}
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MPERS_PRINTER_DECL(int, rtc_ioctl, struct tcb *const tcp,
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const unsigned int code, const kernel_ulong_t arg)
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{
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switch (code) {
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case RTC_ALM_READ:
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case RTC_RD_TIME:
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if (entering(tcp))
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return 0;
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ATTRIBUTE_FALLTHROUGH;
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case RTC_ALM_SET:
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case RTC_SET_TIME:
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tprints(", ");
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decode_rtc_time(tcp, arg);
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break;
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case RTC_IRQP_SET:
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case RTC_EPOCH_SET:
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tprintf(", %" PRI_klu, arg);
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break;
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case RTC_IRQP_READ:
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case RTC_EPOCH_READ:
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if (entering(tcp))
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return 0;
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tprints(", ");
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printnum_ulong(tcp, arg);
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break;
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case RTC_WKALM_RD:
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if (entering(tcp))
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return 0;
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ATTRIBUTE_FALLTHROUGH;
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case RTC_WKALM_SET:
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tprints(", ");
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decode_rtc_wkalrm(tcp, arg);
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break;
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case RTC_PLL_GET:
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if (entering(tcp))
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return 0;
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ATTRIBUTE_FALLTHROUGH;
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case RTC_PLL_SET:
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tprints(", ");
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decode_rtc_pll_info(tcp, arg);
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break;
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#ifdef RTC_VL_READ
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case RTC_VL_READ:
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if (entering(tcp))
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return 0;
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tprints(", ");
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printnum_int(tcp, arg, "%d");
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break;
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#endif
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case RTC_AIE_ON:
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case RTC_AIE_OFF:
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case RTC_UIE_ON:
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case RTC_UIE_OFF:
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case RTC_PIE_ON:
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case RTC_PIE_OFF:
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case RTC_WIE_ON:
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case RTC_WIE_OFF:
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#ifdef RTC_VL_CLR
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case RTC_VL_CLR:
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#endif
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/* no args */
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break;
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default:
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return RVAL_DECODED;
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}
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return RVAL_IOCTL_DECODED;
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}
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