1/*-
2 * Copyright (c) 1999, 2000
3 * Intel Corporation.
4 * All rights reserved.
| 1/*-
2 * Copyright (c) 1999, 2000
3 * Intel Corporation.
4 * All rights reserved.
|
5 *
| 5 *
|
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
| 6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
|
9 *
| 9 *
|
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
| 10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
|
12 *
| 12 *
|
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
| 13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
|
16 *
| 16 *
|
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
| 17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
|
19 *
| 19 *
|
20 * This product includes software developed by Intel Corporation and
21 * its contributors.
| 20 * This product includes software developed by Intel Corporation and
21 * its contributors.
|
22 *
| 22 *
|
23 * 4. Neither the name of Intel Corporation or its contributors may be
24 * used to endorse or promote products derived from this software
25 * without specific prior written permission.
| 23 * 4. Neither the name of Intel Corporation or its contributors may be
24 * used to endorse or promote products derived from this software
25 * without specific prior written permission.
|
26 *
| 26 *
|
27 * THIS SOFTWARE IS PROVIDED BY INTEL CORPORATION AND CONTRIBUTORS ``AS IS''
28 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL INTEL CORPORATION OR CONTRIBUTORS BE
31 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
37 * THE POSSIBILITY OF SUCH DAMAGE.
| 27 * THIS SOFTWARE IS PROVIDED BY INTEL CORPORATION AND CONTRIBUTORS ``AS IS''
28 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL INTEL CORPORATION OR CONTRIBUTORS BE
31 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
37 * THE POSSIBILITY OF SUCH DAMAGE.
|
38 *
| 38 *
|
39 */
40
41#include <sys/cdefs.h>
| 39 */
40
41#include <sys/cdefs.h>
|
42__FBSDID("$FreeBSD: stable/11/sys/boot/efi/libefi/time.c 329100 2018-02-10 04:56:07Z kevans $");
| 42__FBSDID("$FreeBSD: stable/11/sys/boot/efi/libefi/time.c 329114 2018-02-11 02:27:50Z kevans $");
|
43
44#include <efi.h>
45#include <efilib.h>
46
47#include <time.h>
48#include <sys/time.h>
49
50/*
| 43
44#include <efi.h>
45#include <efilib.h>
46
47#include <time.h>
48#include <sys/time.h>
49
50/*
|
51// Accurate only for the past couple of centuries;
52// that will probably do.
53//
54// (#defines From FreeBSD 3.2 lib/libc/stdtime/tzfile.h)
55*/
| 51 * Accurate only for the past couple of centuries;
52 * that will probably do.
53 *
54 * (#defines From FreeBSD 3.2 lib/libc/stdtime/tzfile.h)
55 */
|
56
| 56
|
57#define isleap(y) (((y) % 4) == 0 && (((y) % 100) != 0 || ((y) % 400) == 0))
58#define SECSPERHOUR ( 60*60 )
59#define SECSPERDAY (24 * SECSPERHOUR)
| 57#define isleap(y) (((y) % 4) == 0 && \
58 (((y) % 100) != 0 || ((y) % 400) == 0))
59#define SECSPERHOUR (60*60)
60#define SECSPERDAY (24 * SECSPERHOUR)
|
60
| 61
|
| 62/*
63 * These arrays give the cumulative number of days up to the first of the
64 * month number used as the index (1 -> 12) for regular and leap years.
65 * The value at index 13 is for the whole year.
66 */
67static const time_t CumulativeDays[2][14] = {
68 {0,
69 0,
70 31,
71 31 + 28,
72 31 + 28 + 31,
73 31 + 28 + 31 + 30,
74 31 + 28 + 31 + 30 + 31,
75 31 + 28 + 31 + 30 + 31 + 30,
76 31 + 28 + 31 + 30 + 31 + 30 + 31,
77 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31,
78 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30,
79 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31,
80 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30,
81 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 + 31 },
82 {0,
83 0,
84 31,
85 31 + 29,
86 31 + 29 + 31,
87 31 + 29 + 31 + 30,
88 31 + 29 + 31 + 30 + 31,
89 31 + 29 + 31 + 30 + 31 + 30,
90 31 + 29 + 31 + 30 + 31 + 30 + 31,
91 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31,
92 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30,
93 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31,
94 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30,
95 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 + 31 }};
96
|
61void
62efi_time_init(void)
63{
64}
65
66void
67efi_time_fini(void)
68{
69}
70
| 97void
98efi_time_init(void)
99{
100}
101
102void
103efi_time_fini(void)
104{
105}
106
|
71static time_t
72efi_time(EFI_TIME *ETime)
| 107void
108to_efi_time(EFI_TIME *efi_time, time_t time)
|
73{
| 109{
|
74 /*
75 // These arrays give the cumulative number of days up to the first of the
76 // month number used as the index (1 -> 12) for regular and leap years.
77 // The value at index 13 is for the whole year.
78 */
79 static time_t CumulativeDays[2][14] = {
80 {0,
81 0,
82 31,
83 31 + 28,
84 31 + 28 + 31,
85 31 + 28 + 31 + 30,
86 31 + 28 + 31 + 30 + 31,
87 31 + 28 + 31 + 30 + 31 + 30,
88 31 + 28 + 31 + 30 + 31 + 30 + 31,
89 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31,
90 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30,
91 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31,
92 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30,
93 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 + 31 },
94 {0,
95 0,
96 31,
97 31 + 29,
98 31 + 29 + 31,
99 31 + 29 + 31 + 30,
100 31 + 29 + 31 + 30 + 31,
101 31 + 29 + 31 + 30 + 31 + 30,
102 31 + 29 + 31 + 30 + 31 + 30 + 31,
103 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31,
104 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30,
105 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31,
106 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30,
107 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 + 31 }};
| 110 int lyear, month;
111 time_t seconds;
|
108
| 112
|
109 time_t UTime;
110 int Year;
| 113 if (time >= 0) {
114 efi_time->Year = 1970;
115 lyear = isleap(efi_time->Year);
116 month = 13;
117 seconds = CumulativeDays[lyear][month] * SECSPERDAY;
118 while (time > seconds) {
119 time -= seconds;
120 efi_time->Year++;
121 lyear = isleap(efi_time->Year);
122 seconds = CumulativeDays[lyear][month] * SECSPERDAY;
123 }
|
111
| 124
|
112 /*
113 // Do a santity check
114 */
115 if ( ETime->Year < 1998 || ETime->Year > 2099 ||
116 ETime->Month == 0 || ETime->Month > 12 ||
117 ETime->Day == 0 || ETime->Month > 31 ||
118 ETime->Hour > 23 ||
119 ETime->Minute > 59 ||
120 ETime->Second > 59 ||
121 ETime->TimeZone < -1440 ||
122 (ETime->TimeZone > 1440 && ETime->TimeZone != 2047) ) {
123 return (0);
124 }
| 125 efi_time->Month = 0;
126 while (time >
127 CumulativeDays[lyear][month] * SECSPERDAY) {
128 efi_time->Month++;
129 }
|
125
| 130
|
126 /*
127 // Years
128 */
129 UTime = 0;
130 for (Year = 1970; Year != ETime->Year; ++Year) {
131 UTime += (CumulativeDays[isleap(Year)][13] * SECSPERDAY);
132 }
| 131 month = efi_time->Month - 1;
132 time -= CumulativeDays[lyear][month] * SECSPERDAY;
|
133
| 133
|
134 /*
135 // UTime should now be set to 00:00:00 on Jan 1 of the file's year.
136 //
137 // Months
138 */
139 UTime += (CumulativeDays[isleap(ETime->Year)][ETime->Month] * SECSPERDAY);
| 134 for (efi_time->Day = 0; time > SECSPERDAY; efi_time->Day++)
135 time -= SECSPERDAY;
|
140
| 136
|
141 /*
142 // UTime should now be set to 00:00:00 on the first of the file's month and year
143 //
144 // Days -- Don't count the file's day
145 */
146 UTime += (((ETime->Day > 0) ? ETime->Day-1:0) * SECSPERDAY);
| 137 for (efi_time->Hour = 0; time > SECSPERHOUR; efi_time->Hour++)
138 time -= SECSPERHOUR;
|
147
| 139
|
148 /*
149 // Hours
150 */
151 UTime += (ETime->Hour * SECSPERHOUR);
| 140 for (efi_time->Minute = 0; time > 60; efi_time->Minute++)
141 time -= 60;
|
152
| 142
|
153 /*
154 // Minutes
155 */
156 UTime += (ETime->Minute * 60);
| 143 efi_time->Second = time;
144 efi_time->Nanosecond = 0;
145 efi_time->TimeZone = 0;
146 efi_time->Daylight = 0;
147 } else {
148 memset(efi_time, 0, sizeof(EFI_TIME));
149 }
150}
|
157
| 151
|
158 /*
159 // Seconds
160 */
161 UTime += ETime->Second;
| 152time_t
153from_efi_time(EFI_TIME *ETime)
154{
155 time_t UTime;
156 int Year;
|
162
| 157
|
163 /*
164 // EFI time is repored in local time. Adjust for any time zone offset to
165 // get true UT
166 */
167 if ( ETime->TimeZone != EFI_UNSPECIFIED_TIMEZONE ) {
168 /*
169 // TimeZone is kept in minues...
170 */
171 UTime += (ETime->TimeZone * 60);
172 }
173
174 return UTime;
| 158 /*
159 * Do a santity check
160 */
161 if (ETime->Year < 1998 || ETime->Year > 2099 ||
162 ETime->Month == 0 || ETime->Month > 12 ||
163 ETime->Day == 0 || ETime->Month > 31 ||
164 ETime->Hour > 23 || ETime->Minute > 59 ||
165 ETime->Second > 59 || ETime->TimeZone < -1440 ||
166 (ETime->TimeZone > 1440 && ETime->TimeZone != 2047)) {
167 return (0);
168 }
169
170 /*
171 * Years
172 */
173 UTime = 0;
174 for (Year = 1970; Year != ETime->Year; ++Year) {
175 UTime += (CumulativeDays[isleap(Year)][13] * SECSPERDAY);
176 }
177
178 /*
179 * UTime should now be set to 00:00:00 on Jan 1 of the file's year.
180 *
181 * Months
182 */
183 UTime += (CumulativeDays[isleap(ETime->Year)][ETime->Month] *
184 SECSPERDAY);
185
186 /*
187 * UTime should now be set to 00:00:00 on the first of the file's
188 * month and year.
189 *
190 * Days -- Don't count the file's day
191 */
192 UTime += (((ETime->Day > 0) ? ETime->Day-1:0) * SECSPERDAY);
193
194 /*
195 * Hours
196 */
197 UTime += (ETime->Hour * SECSPERHOUR);
198
199 /*
200 * Minutes
201 */
202 UTime += (ETime->Minute * 60);
203
204 /*
205 * Seconds
206 */
207 UTime += ETime->Second;
208
209 /*
210 * EFI time is repored in local time. Adjust for any time zone
211 * offset to get true UT
212 */
213 if (ETime->TimeZone != EFI_UNSPECIFIED_TIMEZONE) {
214 /*
215 * TimeZone is kept in minues...
216 */
217 UTime += (ETime->TimeZone * 60);
218 }
219
220 return (UTime);
|
175}
176
177static int
| 221}
222
223static int
|
178EFI_GetTimeOfDay(
179 OUT struct timeval *tp,
180 OUT struct timezone *tzp
181 )
| 224EFI_GetTimeOfDay(OUT struct timeval *tp, OUT struct timezone *tzp)
|
182{
183 EFI_TIME EfiTime;
184 EFI_TIME_CAPABILITIES Capabilities;
185 EFI_STATUS Status;
186
187 /*
| 225{
226 EFI_TIME EfiTime;
227 EFI_TIME_CAPABILITIES Capabilities;
228 EFI_STATUS Status;
229
230 /*
|
188 // Get time from EFI
189 */
| 231 * Get time from EFI
232 */
|
190
191 Status = RS->GetTime(&EfiTime, &Capabilities);
192 if (EFI_ERROR(Status))
193 return (-1);
194
195 /*
| 233
234 Status = RS->GetTime(&EfiTime, &Capabilities);
235 if (EFI_ERROR(Status))
236 return (-1);
237
238 /*
|
196 // Convert to UNIX time (ie seconds since the epoch
197 */
| 239 * Convert to UNIX time (ie seconds since the epoch
240 */
|
198
| 241
|
199 tp->tv_sec = efi_time( &EfiTime );
| 242 tp->tv_sec = from_efi_time(&EfiTime);
|
200 tp->tv_usec = 0; /* EfiTime.Nanosecond * 1000; */
201
202 /*
| 243 tp->tv_usec = 0; /* EfiTime.Nanosecond * 1000; */
244
245 /*
|
203 // Do something with the timezone if needed
204 */
| 246 * Do something with the timezone if needed
247 */
|
205
| 248
|
206 if (tzp) {
207 tzp->tz_minuteswest =
208 EfiTime.TimeZone == EFI_UNSPECIFIED_TIMEZONE ? 0 : EfiTime.TimeZone;
| 249 if (tzp != NULL) {
250 if (EfiTime.TimeZone == EFI_UNSPECIFIED_TIMEZONE)
251 tzp->tz_minuteswest = 0;
252 else
253 tzp->tz_minuteswest = EfiTime.TimeZone;
|
209 /*
| 254 /*
|
210 // This isn't quit right since it doesn't deal with EFI_TIME_IN_DAYLIGHT
211 */
| 255 * This isn't quit right since it doesn't deal with
256 * EFI_TIME_IN_DAYLIGHT
257 */
|
212 tzp->tz_dsttime =
213 EfiTime.Daylight & EFI_TIME_ADJUST_DAYLIGHT ? 1 : 0;
214 }
215
216 return (0);
217}
218
219time_t
220time(time_t *tloc)
221{
222 struct timeval tv;
| 258 tzp->tz_dsttime =
259 EfiTime.Daylight & EFI_TIME_ADJUST_DAYLIGHT ? 1 : 0;
260 }
261
262 return (0);
263}
264
265time_t
266time(time_t *tloc)
267{
268 struct timeval tv;
|
223 EFI_GetTimeOfDay(&tv, 0);
224
| 269
270 memset(&tv, 0, sizeof(tv));
271 EFI_GetTimeOfDay(&tv, NULL);
272
|
225 if (tloc)
226 *tloc = tv.tv_sec;
| 273 if (tloc)
274 *tloc = tv.tv_sec;
|
227 return tv.tv_sec;
| 275 return (tv.tv_sec);
|
228}
229
230time_t
231getsecs(void)
232{
| 276}
277
278time_t
279getsecs(void)
280{
|
233 return time(NULL);
| 281
282 return (time(NULL));
|
234}
| 283}
|