| mp_machdep.c (152531) | mp_machdep.c (153241) |
|---|---|
| 1/*- 2 * Copyright (c) 1996, by Steve Passe 3 * Copyright (c) 2003, by Peter Wemm 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: --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 1996, by Steve Passe 3 * Copyright (c) 2003, by Peter Wemm 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: --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> |
| 28__FBSDID("$FreeBSD: head/sys/amd64/amd64/mp_machdep.c 152531 2005-11-16 20:58:40Z jhb $"); | 28__FBSDID("$FreeBSD: head/sys/amd64/amd64/mp_machdep.c 153241 2005-12-08 18:33:30Z jhb $"); |
| 29 30#include "opt_cpu.h" 31#include "opt_kstack_pages.h" 32#include "opt_mp_watchdog.h" 33#include "opt_sched.h" 34 35#include <sys/param.h> 36#include <sys/systm.h> --- 1026 unchanged lines hidden (view full) --- 1063 if (!lapic_ipi_wait(BEFORE_SPIN)) 1064 panic("ipi_nmi_selected: previous IPI has not cleared"); 1065 1066 lapic_ipi_raw(icrlo, cpu_apic_ids[cpu]); 1067 } 1068} 1069 1070int | 29 30#include "opt_cpu.h" 31#include "opt_kstack_pages.h" 32#include "opt_mp_watchdog.h" 33#include "opt_sched.h" 34 35#include <sys/param.h> 36#include <sys/systm.h> --- 1026 unchanged lines hidden (view full) --- 1063 if (!lapic_ipi_wait(BEFORE_SPIN)) 1064 panic("ipi_nmi_selected: previous IPI has not cleared"); 1065 1066 lapic_ipi_raw(icrlo, cpu_apic_ids[cpu]); 1067 } 1068} 1069 1070int |
| 1071ipi_nmi_handler() | 1071ipi_nmi_handler(void) |
| 1072{ | 1072{ |
| 1073 int cpu = PCPU_GET(cpuid); | |
| 1074 int cpumask = PCPU_GET(cpumask); 1075 1076 if (!(ipi_nmi_pending & cpumask)) 1077 return 1; 1078 1079 atomic_clear_int(&ipi_nmi_pending, cpumask); | 1073 int cpumask = PCPU_GET(cpumask); 1074 1075 if (!(ipi_nmi_pending & cpumask)) 1076 return 1; 1077 1078 atomic_clear_int(&ipi_nmi_pending, cpumask); |
| 1079 cpustop_handler(); 1080 return 0; 1081} 1082 1083#endif /* STOP_NMI */ |
|
| 1080 | 1084 |
| 1085/* 1086 * Handle an IPI_STOP by saving our current context and spinning until we 1087 * are resumed. 1088 */ 1089void 1090cpustop_handler(void) 1091{ 1092 int cpu = PCPU_GET(cpuid); 1093 int cpumask = PCPU_GET(cpumask); 1094 |
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| 1081 savectx(&stoppcbs[cpu]); 1082 1083 /* Indicate that we are stopped */ 1084 atomic_set_int(&stopped_cpus, cpumask); 1085 1086 /* Wait for restart */ 1087 while (!(started_cpus & cpumask)) 1088 ia32_pause(); 1089 1090 atomic_clear_int(&started_cpus, cpumask); 1091 atomic_clear_int(&stopped_cpus, cpumask); 1092 1093 if (cpu == 0 && cpustop_restartfunc != NULL) { 1094 cpustop_restartfunc(); 1095 cpustop_restartfunc = NULL; 1096 } | 1095 savectx(&stoppcbs[cpu]); 1096 1097 /* Indicate that we are stopped */ 1098 atomic_set_int(&stopped_cpus, cpumask); 1099 1100 /* Wait for restart */ 1101 while (!(started_cpus & cpumask)) 1102 ia32_pause(); 1103 1104 atomic_clear_int(&started_cpus, cpumask); 1105 atomic_clear_int(&stopped_cpus, cpumask); 1106 1107 if (cpu == 0 && cpustop_restartfunc != NULL) { 1108 cpustop_restartfunc(); 1109 cpustop_restartfunc = NULL; 1110 } |
| 1097 1098 return 0; | |
| 1099} | 1111} |
| 1100 1101#endif /* STOP_NMI */ | |
| 1102 1103/* 1104 * This is called once the rest of the system is up and running and we're 1105 * ready to let the AP's out of the pen. 1106 */ 1107static void 1108release_aps(void *dummy __unused) 1109{ --- 150 unchanged lines hidden --- | 1112 1113/* 1114 * This is called once the rest of the system is up and running and we're 1115 * ready to let the AP's out of the pen. 1116 */ 1117static void 1118release_aps(void *dummy __unused) 1119{ --- 150 unchanged lines hidden --- |