| acpi_timer.c (136270) | acpi_timer.c (137151) |
|---|---|
| 1/*- 2 * Copyright (c) 2000, 2001 Michael Smith 3 * Copyright (c) 2000 BSDi 4 * All rights reserved. 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: --- 10 unchanged lines hidden (view full) --- 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * | 1/*- 2 * Copyright (c) 2000, 2001 Michael Smith 3 * Copyright (c) 2000 BSDi 4 * All rights reserved. 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: --- 10 unchanged lines hidden (view full) --- 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * |
| 27 * $FreeBSD: head/sys/dev/acpica/acpi_timer.c 136270 2004-10-08 17:56:47Z njl $ | 27 * $FreeBSD: head/sys/dev/acpica/acpi_timer.c 137151 2004-11-03 09:09:13Z phk $ |
| 28 */ 29#include "opt_acpi.h" 30#include <sys/param.h> 31#include <sys/bus.h> 32#include <sys/kernel.h> 33#include <sys/module.h> 34#include <sys/sysctl.h> 35#include <sys/timetc.h> --- 133 unchanged lines hidden (view full) --- 169 acpi_timer_boot_test(); 170 171 /* 172 * If all tests of the counter succeed, use the ACPI-fast method. If 173 * at least one failed, default to using the safe routine, which reads 174 * the timer multiple times to get a consistent value before returning. 175 */ 176 j = 0; | 28 */ 29#include "opt_acpi.h" 30#include <sys/param.h> 31#include <sys/bus.h> 32#include <sys/kernel.h> 33#include <sys/module.h> 34#include <sys/sysctl.h> 35#include <sys/timetc.h> --- 133 unchanged lines hidden (view full) --- 169 acpi_timer_boot_test(); 170 171 /* 172 * If all tests of the counter succeed, use the ACPI-fast method. If 173 * at least one failed, default to using the safe routine, which reads 174 * the timer multiple times to get a consistent value before returning. 175 */ 176 j = 0; |
| 177 if (bootverbose) 178 printf("ACPI timer:"); |
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| 177 for (i = 0; i < 10; i++) 178 j += acpi_timer_test(); | 179 for (i = 0; i < 10; i++) 180 j += acpi_timer_test(); |
| 181 if (bootverbose) 182 printf(" -> %d\n", j); |
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| 179 if (j == 10) { 180 acpi_timer_timecounter.tc_name = "ACPI-fast"; 181 acpi_timer_timecounter.tc_get_timecount = acpi_timer_get_timecount; 182 } else { 183 acpi_timer_timecounter.tc_name = "ACPI-safe"; 184 acpi_timer_timecounter.tc_get_timecount = acpi_timer_get_timecount_safe; 185 } 186 tc_init(&acpi_timer_timecounter); --- 131 unchanged lines hidden (view full) --- 318 intr_restore(s); 319 320 if (max - min > 2) 321 n = 0; 322 else if (min < 0 || max == 0) 323 n = 0; 324 else 325 n = 1; | 183 if (j == 10) { 184 acpi_timer_timecounter.tc_name = "ACPI-fast"; 185 acpi_timer_timecounter.tc_get_timecount = acpi_timer_get_timecount; 186 } else { 187 acpi_timer_timecounter.tc_name = "ACPI-safe"; 188 acpi_timer_timecounter.tc_get_timecount = acpi_timer_get_timecount_safe; 189 } 190 tc_init(&acpi_timer_timecounter); --- 131 unchanged lines hidden (view full) --- 322 intr_restore(s); 323 324 if (max - min > 2) 325 n = 0; 326 else if (min < 0 || max == 0) 327 n = 0; 328 else 329 n = 1; |
| 326 if (bootverbose) { 327 printf("ACPI timer looks %s min = %d, max = %d, width = %d\n", 328 n ? "GOOD" : "BAD ", 329 min, max, max - min); 330 } | 330 if (bootverbose) 331 printf(" %d/%d", n, max-min); |
| 331 332 return (n); 333} 334#undef N 335 336/* 337 * Test harness for verifying ACPI timer behaviour. 338 * Boot with debug.acpi.timer_test set to invoke this. --- 27 unchanged lines hidden --- | 332 333 return (n); 334} 335#undef N 336 337/* 338 * Test harness for verifying ACPI timer behaviour. 339 * Boot with debug.acpi.timer_test set to invoke this. --- 27 unchanged lines hidden --- |