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XXXX pass in cpu_pause_func via pause_cpus
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--- old/usr/src/uts/i86pc/io/ppm/acpisleep.c
+++ new/usr/src/uts/i86pc/io/ppm/acpisleep.c
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21
22 22 /*
23 23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
24 24 * Use is subject to license terms.
25 25 */
26 26
27 27 #include <sys/types.h>
28 28 #include <sys/smp_impldefs.h>
29 29 #include <sys/promif.h>
30 30
31 31 #include <sys/kmem.h>
32 32 #include <sys/archsystm.h>
33 33 #include <sys/cpuvar.h>
34 34 #include <sys/pte.h>
35 35 #include <vm/seg_kmem.h>
36 36 #include <sys/epm.h>
37 37 #include <sys/cpr.h>
38 38 #include <sys/machsystm.h>
39 39 #include <sys/clock.h>
40 40
41 41 #include <sys/cpr_wakecode.h>
42 42 #include <sys/acpi/acpi.h>
43 43
44 44 #ifdef OLDPMCODE
45 45 #include "acpi.h"
46 46 #endif
47 47
48 48 #include <sys/x86_archext.h>
49 49 #include <sys/reboot.h>
50 50 #include <sys/cpu_module.h>
51 51 #include <sys/kdi.h>
52 52
53 53 /*
54 54 * S3 stuff
55 55 */
56 56
57 57 int acpi_rtc_wake = 0x0; /* wake in N seconds */
58 58
59 59 #if 0 /* debug */
60 60 static uint8_t branchbuf[64 * 1024]; /* for the HDT branch trace stuff */
61 61 #endif /* debug */
62 62
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63 63 extern int boothowto;
64 64
65 65 #define BOOTCPU 0 /* cpu 0 is always the boot cpu */
66 66
67 67 extern void kernel_wc_code(void);
68 68 extern tod_ops_t *tod_ops;
69 69 extern int flushes_require_xcalls;
70 70 extern int tsc_gethrtime_enable;
71 71
72 72 extern cpuset_t cpu_ready_set;
73 -extern void *(*cpu_pause_func)(void *);
74 -
75 73
76 74
77 75 /*
78 76 * This is what we've all been waiting for!
79 77 */
80 78 int
81 79 acpi_enter_sleepstate(s3a_t *s3ap)
82 80 {
83 81 ACPI_PHYSICAL_ADDRESS wakephys = s3ap->s3a_wakephys;
84 82 caddr_t wakevirt = rm_platter_va;
85 83 /*LINTED*/
86 84 wakecode_t *wp = (wakecode_t *)wakevirt;
87 85 uint_t Sx = s3ap->s3a_state;
88 86
89 87 PT(PT_SWV);
90 88 /* Set waking vector */
91 89 if (AcpiSetFirmwareWakingVector(wakephys) != AE_OK) {
92 90 PT(PT_SWV_FAIL);
93 91 PMD(PMD_SX, ("Can't SetFirmwareWakingVector(%lx)\n",
94 92 (long)wakephys))
95 93 goto insomnia;
96 94 }
97 95
98 96 PT(PT_EWE);
99 97 /* Enable wake events */
100 98 if (AcpiEnableEvent(ACPI_EVENT_POWER_BUTTON, 0) != AE_OK) {
101 99 PT(PT_EWE_FAIL);
102 100 PMD(PMD_SX, ("Can't EnableEvent(POWER_BUTTON)\n"))
103 101 }
104 102 if (acpi_rtc_wake > 0) {
105 103 /* clear the RTC bit first */
106 104 (void) AcpiWriteBitRegister(ACPI_BITREG_RT_CLOCK_STATUS, 1);
107 105 PT(PT_RTCW);
108 106 if (AcpiEnableEvent(ACPI_EVENT_RTC, 0) != AE_OK) {
109 107 PT(PT_RTCW_FAIL);
110 108 PMD(PMD_SX, ("Can't EnableEvent(RTC)\n"))
111 109 }
112 110
113 111 /*
114 112 * Set RTC to wake us in a wee while.
115 113 */
116 114 mutex_enter(&tod_lock);
117 115 PT(PT_TOD);
118 116 TODOP_SETWAKE(tod_ops, acpi_rtc_wake);
119 117 mutex_exit(&tod_lock);
120 118 }
121 119
122 120 /*
123 121 * Prepare for sleep ... could've done this earlier?
124 122 */
125 123 PT(PT_SXP);
126 124 PMD(PMD_SX, ("Calling AcpiEnterSleepStatePrep(%d) ...\n", Sx))
127 125 if (AcpiEnterSleepStatePrep(Sx) != AE_OK) {
128 126 PMD(PMD_SX, ("... failed\n!"))
129 127 goto insomnia;
130 128 }
131 129
132 130 switch (s3ap->s3a_test_point) {
133 131 case DEVICE_SUSPEND_TO_RAM:
134 132 case FORCE_SUSPEND_TO_RAM:
135 133 case LOOP_BACK_PASS:
136 134 return (0);
137 135 case LOOP_BACK_FAIL:
138 136 return (1);
139 137 default:
140 138 ASSERT(s3ap->s3a_test_point == LOOP_BACK_NONE);
141 139 }
142 140
143 141 /*
144 142 * Tell the hardware to sleep.
145 143 */
146 144 PT(PT_SXE);
147 145 PMD(PMD_SX, ("Calling AcpiEnterSleepState(%d) ...\n", Sx))
148 146 if (AcpiEnterSleepState(Sx) != AE_OK) {
149 147 PT(PT_SXE_FAIL);
150 148 PMD(PMD_SX, ("... failed!\n"))
151 149 }
152 150
153 151 insomnia:
154 152 PT(PT_INSOM);
155 153 /* cleanup is done in the caller */
156 154 return (1);
157 155 }
158 156
159 157 int
160 158 acpi_exit_sleepstate(s3a_t *s3ap)
161 159 {
162 160 int Sx = s3ap->s3a_state;
163 161
164 162 PT(PT_WOKE);
165 163 PMD(PMD_SX, ("!We woke up!\n"))
166 164
167 165 PT(PT_LSS);
168 166 if (AcpiLeaveSleepState(Sx) != AE_OK) {
169 167 PT(PT_LSS_FAIL);
170 168 PMD(PMD_SX, ("Problem with LeaveSleepState!\n"))
171 169 }
172 170
173 171 PT(PT_CPB);
174 172 if (AcpiClearEvent(ACPI_EVENT_POWER_BUTTON) != AE_OK) {
175 173 PT(PT_CPB_FAIL);
176 174 PMD(PMD_SX, ("Problem w/ ClearEvent(POWER_BUTTON)\n"))
177 175 }
178 176 if (acpi_rtc_wake > 0 &&
179 177 AcpiDisableEvent(ACPI_EVENT_RTC, 0) != AE_OK) {
180 178 PT(PT_DRTC_FAIL);
181 179 PMD(PMD_SX, ("Problem w/ DisableEvent(RTC)\n"))
182 180 }
183 181
184 182 PMD(PMD_SX, ("Exiting acpi_sleepstate() => 0\n"))
185 183
186 184 return (0);
187 185 }
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