-/*
- * Copyright (c) 2004-2005 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * unlawful or unlicensed copies of an Apple operating system, or to
- * circumvent, violate, or enable the circumvention or violation of, any
- * terms of an Apple operating system software license agreement.
- *
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
- */
-
-#include <kern/kern_types.h>
-#include <kern/kalloc.h>
-#include <kern/machine.h>
-#include <kern/misc_protos.h>
-#include <kern/thread.h>
-#include <kern/processor.h>
-#include <mach/machine.h>
-#include <mach/processor_info.h>
-#include <mach/mach_types.h>
-#include <ppc/proc_reg.h>
-#include <ppc/misc_protos.h>
-#include <ppc/machine_routines.h>
-#include <ppc/machine_cpu.h>
-#include <ppc/exception.h>
-#include <ppc/asm.h>
-#include <ppc/hw_perfmon.h>
-#include <pexpert/pexpert.h>
-#include <kern/cpu_data.h>
-#include <ppc/mappings.h>
-#include <ppc/Diagnostics.h>
-#include <ppc/trap.h>
-#include <ppc/mem.h>
-#include <IOKit/IOPlatformExpert.h>
-#include <IOKit/IOHibernatePrivate.h>
-#include <vm/vm_page.h>
-
-/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-
-unsigned int save_kdebug_enable = 0;
-
-
-hibernate_page_list_t *
-hibernate_page_list_allocate(void)
-{
- vm_size_t size;
- uint32_t bank;
- uint32_t pages, page_count;
- hibernate_page_list_t * list;
- hibernate_bitmap_t * bitmap;
-
- page_count = 0;
- size = sizeof(hibernate_page_list_t);
-
- for (bank = 0; bank < (uint32_t) pmap_mem_regions_count; bank++)
- {
- size += sizeof(hibernate_bitmap_t);
- pages = pmap_mem_regions[bank].mrEnd + 1 - pmap_mem_regions[bank].mrStart;
- page_count += pages;
- size += ((pages + 31) >> 5) * sizeof(uint32_t);
- }
-
- list = kalloc(size);
- if (!list)
- return (list);
-
- list->list_size = size;
- list->page_count = page_count;
- list->bank_count = pmap_mem_regions_count;
-
- bitmap = &list->bank_bitmap[0];
- for (bank = 0; bank < list->bank_count; bank++)
- {
- bitmap->first_page = pmap_mem_regions[bank].mrStart;
- bitmap->last_page = pmap_mem_regions[bank].mrEnd;
- bitmap->bitmapwords = (pmap_mem_regions[bank].mrEnd + 1
- - pmap_mem_regions[bank].mrStart + 31) >> 5;
-
- bitmap = (hibernate_bitmap_t *) &bitmap->bitmap[bitmap->bitmapwords];
- }
- return (list);
-}
-
-void
-hibernate_page_list_setall_machine(hibernate_page_list_t * page_list,
- hibernate_page_list_t * page_list_wired,
- uint32_t * pagesOut)
-{
- uint32_t page, count, PCAsize;
-
- /* Get total size of PCA table */
- PCAsize = round_page((hash_table_size / PerProcTable[0].ppe_vaddr->pf.pfPTEG)
- * sizeof(PCA_t));
-
- page = atop_64(hash_table_base - PCAsize);
- count = atop_64(hash_table_size + PCAsize);
-
- hibernate_set_page_state(page_list, page_list_wired, page, count, 0);
- pagesOut -= count;
-
- HIBLOG("removed hash, pca: %d pages\n", count);
-
- save_snapshot();
-}
-
-// mark pages not to be saved and not for scratch usage during restore
-void
-hibernate_page_list_set_volatile(__unused hibernate_page_list_t *page_list,
- __unused hibernate_page_list_t *page_list_wired,
- __unused uint32_t *pagesOut)
-{
-}
-
-kern_return_t
-hibernate_processor_setup(IOHibernateImageHeader * header)
-{
- header->processorFlags = PerProcTable[0].ppe_vaddr->pf.Available;
-
- PerProcTable[0].ppe_vaddr->hibernate = 1;
-
- return (KERN_SUCCESS);
-}
-
-void
-hibernate_vm_lock(void)
-{
- if (getPerProc()->hibernate)
- {
- vm_page_lock_queues();
- lck_mtx_lock(&vm_page_queue_free_lock);
- }
-}
-
-void
-hibernate_vm_unlock(void)
-{
- if (getPerProc()->hibernate)
- {
- lck_mtx_unlock(&vm_page_queue_free_lock);
- vm_page_unlock_queues();
- }
-}
-
-void ml_ppc_sleep(void)
-{
- struct per_proc_info *proc_info;
- boolean_t dohalt;
-
- proc_info = getPerProc();
- if (!proc_info->hibernate)
- {
- ml_ppc_do_sleep();
- return;
- }
-
- {
- uint64_t start, end, nsec;
-
- HIBLOG("mapping_hibernate_flush start\n");
- clock_get_uptime(&start);
-
- mapping_hibernate_flush();
-
- clock_get_uptime(&end);
- absolutetime_to_nanoseconds(end - start, &nsec);
- HIBLOG("mapping_hibernate_flush time: %qd ms\n", nsec / 1000000ULL);
- }
-
- dohalt = hibernate_write_image();
-
- if (dohalt)
- {
- // off
- HIBLOG("power off\n");
- if (PE_halt_restart)
- (*PE_halt_restart)(kPEHaltCPU);
- }
- else
- {
- // sleep
- HIBLOG("sleep\n");
-
- // should we come back via regular wake, set the state in memory.
- PerProcTable[0].ppe_vaddr->hibernate = 0;
-
- PE_cpu_machine_quiesce(proc_info->cpu_id);
- return;
- }
-}
-
-void
-hibernate_newruntime_map(__unused void * map,
- __unused vm_size_t map_size,
- __unused uint32_t runtime_offset)
-{
-}
projects / apple / xnu.git / blobdiff