| acpi_wakeup.c (236772) | acpi_wakeup.c (236938) |
|---|---|
| 1/*- 2 * Copyright (c) 2001 Takanori Watanabe <takawata@jp.freebsd.org> 3 * Copyright (c) 2001-2012 Mitsuru IWASAKI <iwasaki@jp.freebsd.org> 4 * Copyright (c) 2003 Peter Wemm 5 * Copyright (c) 2008-2012 Jung-uk Kim <jkim@FreeBSD.org> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 14 unchanged lines hidden (view full) --- 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2001 Takanori Watanabe <takawata@jp.freebsd.org> 3 * Copyright (c) 2001-2012 Mitsuru IWASAKI <iwasaki@jp.freebsd.org> 4 * Copyright (c) 2003 Peter Wemm 5 * Copyright (c) 2008-2012 Jung-uk Kim <jkim@FreeBSD.org> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 14 unchanged lines hidden (view full) --- 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30#include <sys/cdefs.h> |
| 31__FBSDID("$FreeBSD: head/sys/x86/acpica/acpi_wakeup.c 236772 2012-06-09 00:37:26Z iwasaki $"); | 31__FBSDID("$FreeBSD: head/sys/x86/acpica/acpi_wakeup.c 236938 2012-06-12 00:14:54Z iwasaki $"); |
| 32 33#include <sys/param.h> 34#include <sys/bus.h> 35#include <sys/eventhandler.h> 36#include <sys/kernel.h> 37#include <sys/malloc.h> 38#include <sys/memrange.h> 39#include <sys/smp.h> --- 73 unchanged lines hidden (view full) --- 113 int apic_id = cpu_apic_ids[cpu]; 114 int ms; 115 116 WAKECODE_FIXUP(wakeup_pcb, struct pcb *, susppcbs[cpu]); 117 WAKECODE_FIXUP(wakeup_gdt, uint16_t, susppcbs[cpu]->pcb_gdt.rd_limit); 118 WAKECODE_FIXUP(wakeup_gdt + 2, uint64_t, 119 susppcbs[cpu]->pcb_gdt.rd_base); 120 | 32 33#include <sys/param.h> 34#include <sys/bus.h> 35#include <sys/eventhandler.h> 36#include <sys/kernel.h> 37#include <sys/malloc.h> 38#include <sys/memrange.h> 39#include <sys/smp.h> --- 73 unchanged lines hidden (view full) --- 113 int apic_id = cpu_apic_ids[cpu]; 114 int ms; 115 116 WAKECODE_FIXUP(wakeup_pcb, struct pcb *, susppcbs[cpu]); 117 WAKECODE_FIXUP(wakeup_gdt, uint16_t, susppcbs[cpu]->pcb_gdt.rd_limit); 118 WAKECODE_FIXUP(wakeup_gdt + 2, uint64_t, 119 susppcbs[cpu]->pcb_gdt.rd_base); 120 |
| 121 /* do an INIT IPI: assert RESET */ 122 lapic_ipi_raw(APIC_DEST_DESTFLD | APIC_TRIGMOD_EDGE | 123 APIC_LEVEL_ASSERT | APIC_DESTMODE_PHY | APIC_DELMODE_INIT, apic_id); | 121 ipi_startup(apic_id, vector); |
| 124 | 122 |
| 125 /* wait for pending status end */ 126 lapic_ipi_wait(-1); 127 128 /* do an INIT IPI: deassert RESET */ 129 lapic_ipi_raw(APIC_DEST_ALLESELF | APIC_TRIGMOD_LEVEL | 130 APIC_LEVEL_DEASSERT | APIC_DESTMODE_PHY | APIC_DELMODE_INIT, 0); 131 132 /* wait for pending status end */ 133 DELAY(10000); /* wait ~10mS */ 134 lapic_ipi_wait(-1); 135 136 /* 137 * next we do a STARTUP IPI: the previous INIT IPI might still be 138 * latched, (P5 bug) this 1st STARTUP would then terminate 139 * immediately, and the previously started INIT IPI would continue. OR 140 * the previous INIT IPI has already run. and this STARTUP IPI will 141 * run. OR the previous INIT IPI was ignored. and this STARTUP IPI 142 * will run. 143 */ 144 145 /* do a STARTUP IPI */ 146 lapic_ipi_raw(APIC_DEST_DESTFLD | APIC_TRIGMOD_EDGE | 147 APIC_LEVEL_DEASSERT | APIC_DESTMODE_PHY | APIC_DELMODE_STARTUP | 148 vector, apic_id); 149 lapic_ipi_wait(-1); 150 DELAY(200); /* wait ~200uS */ 151 152 /* 153 * finally we do a 2nd STARTUP IPI: this 2nd STARTUP IPI should run IF 154 * the previous STARTUP IPI was cancelled by a latched INIT IPI. OR 155 * this STARTUP IPI will be ignored, as only ONE STARTUP IPI is 156 * recognized after hardware RESET or INIT IPI. 157 */ 158 159 lapic_ipi_raw(APIC_DEST_DESTFLD | APIC_TRIGMOD_EDGE | 160 APIC_LEVEL_DEASSERT | APIC_DESTMODE_PHY | APIC_DELMODE_STARTUP | 161 vector, apic_id); 162 lapic_ipi_wait(-1); 163 DELAY(200); /* wait ~200uS */ 164 | |
| 165 /* Wait up to 5 seconds for it to resume. */ 166 for (ms = 0; ms < 5000; ms++) { 167 if (!CPU_ISSET(cpu, &suspended_cpus)) 168 return (1); /* return SUCCESS */ 169 DELAY(1000); 170 } 171 return (0); /* return FAILURE */ 172} --- 262 unchanged lines hidden --- | 123 /* Wait up to 5 seconds for it to resume. */ 124 for (ms = 0; ms < 5000; ms++) { 125 if (!CPU_ISSET(cpu, &suspended_cpus)) 126 return (1); /* return SUCCESS */ 127 DELAY(1000); 128 } 129 return (0); /* return FAILURE */ 130} --- 262 unchanged lines hidden --- |