1301306Sandrew/*- 2301306Sandrew * Copyright (c) 2016 Andrew Turner 3301306Sandrew * All rights reserved. 4301306Sandrew * 5301306Sandrew * Redistribution and use in source and binary forms, with or without 6301306Sandrew * modification, are permitted provided that the following conditions 7301306Sandrew * are met: 8301306Sandrew * 1. Redistributions of source code must retain the above copyright 9301306Sandrew * notice, this list of conditions and the following disclaimer. 10301306Sandrew * 2. Redistributions in binary form must reproduce the above copyright 11301306Sandrew * notice, this list of conditions and the following disclaimer in the 12301306Sandrew * documentation and/or other materials provided with the distribution. 13301306Sandrew * 14301306Sandrew * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15301306Sandrew * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16301306Sandrew * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17301306Sandrew * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18301306Sandrew * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19301306Sandrew * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20301306Sandrew * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21301306Sandrew * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22301306Sandrew * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23301306Sandrew * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24301306Sandrew * SUCH DAMAGE. 25301306Sandrew */ 26301306Sandrew 27301306Sandrew#include <sys/cdefs.h> 28301306Sandrew__FBSDID("$FreeBSD: stable/11/stand/efi/libefi/time_event.c 329010 2018-02-08 02:44:21Z kevans $"); 29301306Sandrew 30301306Sandrew#include <efi.h> 31301306Sandrew#include <efilib.h> 32301306Sandrew 33301306Sandrew#include <time.h> 34301306Sandrew#include <sys/time.h> 35301306Sandrew 36301306Sandrewstatic EFI_EVENT time_event; 37301306Sandrewstatic uint64_t curtime; 38301306Sandrew 39301306Sandrewstatic void 40301306Sandrewtime_update(EFI_EVENT event, void *context) 41301306Sandrew{ 42301306Sandrew 43301306Sandrew curtime += 10; 44301306Sandrew} 45301306Sandrew 46301306Sandrewvoid 47301306Sandrewefi_time_init(void) 48301306Sandrew{ 49301306Sandrew 50301306Sandrew /* Create a timer event */ 51301306Sandrew BS->CreateEvent(EVT_TIMER | EVT_NOTIFY_SIGNAL, TPL_CALLBACK, 52301306Sandrew time_update, 0, &time_event); 53301306Sandrew /* Use a 10ms timer */ 54301306Sandrew BS->SetTimer(time_event, TimerPeriodic, 100000); 55301306Sandrew} 56301306Sandrew 57301306Sandrewvoid 58301306Sandrewefi_time_fini(void) 59301306Sandrew{ 60301306Sandrew 61301306Sandrew /* Cancel the timer */ 62301306Sandrew BS->SetTimer(time_event, TimerCancel, 0); 63301306Sandrew BS->CloseEvent(time_event); 64301306Sandrew} 65301306Sandrew 66301306Sandrewtime_t 67301306Sandrewtime(time_t *tloc) 68301306Sandrew{ 69301306Sandrew time_t t; 70301306Sandrew 71301306Sandrew t = curtime / 1000; 72301306Sandrew if (tloc != NULL) 73301306Sandrew *tloc = t; 74301306Sandrew 75301306Sandrew return (t); 76301306Sandrew} 77301306Sandrew 78301306Sandrewtime_t 79329010Skevansgetsecs(void) 80301306Sandrew{ 81301306Sandrew return time(0); 82301306Sandrew} 83