mmu_oea.c (8fd7d6577916b57274307607d91b8820c213ca19) mmu_oea.c (c47dd3db8cf22114267360dddb4b0334b997db0c)
1/*-
2 * Copyright (c) 2001 The NetBSD Foundation, Inc.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to The NetBSD Foundation
6 * by Matt Thomas <matt@3am-software.com> of Allegro Networks, Inc.
7 *
8 * Redistribution and use in source and binary forms, with or without

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113 * are currently using which maps, and to when physical maps must be made
114 * correct.
115 */
116
117#include "opt_kstack_pages.h"
118
119#include <sys/param.h>
120#include <sys/kernel.h>
1/*-
2 * Copyright (c) 2001 The NetBSD Foundation, Inc.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to The NetBSD Foundation
6 * by Matt Thomas <matt@3am-software.com> of Allegro Networks, Inc.
7 *
8 * Redistribution and use in source and binary forms, with or without

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113 * are currently using which maps, and to when physical maps must be made
114 * correct.
115 */
116
117#include "opt_kstack_pages.h"
118
119#include <sys/param.h>
120#include <sys/kernel.h>
121#include <sys/queue.h>
122#include <sys/cpuset.h>
121#include <sys/ktr.h>
122#include <sys/lock.h>
123#include <sys/msgbuf.h>
124#include <sys/mutex.h>
125#include <sys/proc.h>
123#include <sys/ktr.h>
124#include <sys/lock.h>
125#include <sys/msgbuf.h>
126#include <sys/mutex.h>
127#include <sys/proc.h>
128#include <sys/sched.h>
126#include <sys/sysctl.h>
127#include <sys/systm.h>
128#include <sys/vmmeter.h>
129
130#include <dev/ofw/openfirm.h>
131
132#include <vm/vm.h>
133#include <vm/vm_param.h>

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833 moea_vsid_bitmap[0] |= 1;
834
835 /*
836 * Initialize the kernel pmap (which is statically allocated).
837 */
838 PMAP_LOCK_INIT(kernel_pmap);
839 for (i = 0; i < 16; i++)
840 kernel_pmap->pm_sr[i] = EMPTY_SEGMENT + i;
129#include <sys/sysctl.h>
130#include <sys/systm.h>
131#include <sys/vmmeter.h>
132
133#include <dev/ofw/openfirm.h>
134
135#include <vm/vm.h>
136#include <vm/vm_param.h>

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836 moea_vsid_bitmap[0] |= 1;
837
838 /*
839 * Initialize the kernel pmap (which is statically allocated).
840 */
841 PMAP_LOCK_INIT(kernel_pmap);
842 for (i = 0; i < 16; i++)
843 kernel_pmap->pm_sr[i] = EMPTY_SEGMENT + i;
841 kernel_pmap->pm_active = ~0;
844 CPU_FILL(&kernel_pmap->pm_active);
842
843 /*
844 * Set up the Open Firmware mappings
845 */
846 if ((chosen = OF_finddevice("/chosen")) == -1)
847 panic("moea_bootstrap: can't find /chosen");
848 OF_getprop(chosen, "mmu", &mmui, 4);
849 if ((mmu = OF_instance_to_package(mmui)) == -1)

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955
956 /*
957 * Load all the data we need up front to encourage the compiler to
958 * not issue any loads while we have interrupts disabled below.
959 */
960 pm = &td->td_proc->p_vmspace->vm_pmap;
961 pmr = pm->pmap_phys;
962
845
846 /*
847 * Set up the Open Firmware mappings
848 */
849 if ((chosen = OF_finddevice("/chosen")) == -1)
850 panic("moea_bootstrap: can't find /chosen");
851 OF_getprop(chosen, "mmu", &mmui, 4);
852 if ((mmu = OF_instance_to_package(mmui)) == -1)

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958
959 /*
960 * Load all the data we need up front to encourage the compiler to
961 * not issue any loads while we have interrupts disabled below.
962 */
963 pm = &td->td_proc->p_vmspace->vm_pmap;
964 pmr = pm->pmap_phys;
965
963 pm->pm_active |= PCPU_GET(cpumask);
966 sched_pin();
967 CPU_OR(&pm->pm_active, PCPU_PTR(cpumask));
968 sched_unpin();
964 PCPU_SET(curpmap, pmr);
965}
966
967void
968moea_deactivate(mmu_t mmu, struct thread *td)
969{
970 pmap_t pm;
971
972 pm = &td->td_proc->p_vmspace->vm_pmap;
969 PCPU_SET(curpmap, pmr);
970}
971
972void
973moea_deactivate(mmu_t mmu, struct thread *td)
974{
975 pmap_t pm;
976
977 pm = &td->td_proc->p_vmspace->vm_pmap;
973 pm->pm_active &= ~PCPU_GET(cpumask);
978 sched_pin();
979 CPU_NAND(&pm->pm_active, PCPU_PTR(cpumask));
980 sched_unpin();
974 PCPU_SET(curpmap, NULL);
975}
976
977void
978moea_change_wiring(mmu_t mmu, pmap_t pm, vm_offset_t va, boolean_t wired)
979{
980 struct pvo_entry *pvo;
981

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982}
983
984void
985moea_change_wiring(mmu_t mmu, pmap_t pm, vm_offset_t va, boolean_t wired)
986{
987 struct pvo_entry *pvo;
988

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