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 */
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 */
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#include <mm/vm.h>
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#include <mm/vm.h>
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#include <mm/page.h>
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#include <mm/page.h>
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#include <mm/frame.h>
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#include <mm/frame.h>
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#include <mm/tlb.h>
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#include <arch/mm/page.h>
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#include <arch/mm/page.h>
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#include <arch/types.h>
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#include <arch/types.h>
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#include <typedefs.h>
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#include <typedefs.h>
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#include <synch/spinlock.h>
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#include <synch/spinlock.h>
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#include <config.h>
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#include <config.h>
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    pri = cpu_priority_high();
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    pri = cpu_priority_high();
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    spinlock_lock(&a->lock);
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    spinlock_lock(&a->lock);
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    for (i=0; i<a->size; i++)      
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    for (i=0; i<a->size; i++)      
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        map_page_to_frame(a->address + i*PAGE_SIZE, 0, PAGE_NOT_PRESENT, 0);
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        map_page_to_frame(a->address + i*PAGE_SIZE, 0, PAGE_NOT_PRESENT, 0);
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    spinlock_unlock(&a->lock);
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    spinlock_unlock(&a->lock);
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    cpu_priority_restore(pri);
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    cpu_priority_restore(pri);
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}
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}
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void vm_install(vm_t *m)
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void vm_install(vm_t *m)
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{
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{
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    link_t *l;
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    link_t *l;
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    pri_t pri;
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    pri_t pri;
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    pri = cpu_priority_high();
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    pri = cpu_priority_high();
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    tlb_shutdown_start();
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    spinlock_lock(&m->lock);
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    spinlock_lock(&m->lock);
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    for(l = m->vm_area_head.next; l != &m->vm_area_head; l = l->next)
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    for(l = m->vm_area_head.next; l != &m->vm_area_head; l = l->next)
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        vm_area_unmap(list_get_instance(l, vm_area_t, link));
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        vm_area_unmap(list_get_instance(l, vm_area_t, link));
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    spinlock_unlock(&m->lock);
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    spinlock_unlock(&m->lock);
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    tlb_invalidate(0);
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    tlb_shutdown_finalize();
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    cpu_priority_restore(pri);
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    cpu_priority_restore(pri);
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}
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}