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Line 94... Line 94...
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#include <synch/spinlock.h>
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#include <synch/spinlock.h>
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#include <mm/slab.h>
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#include <mm/slab.h>
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#include <adt/list.h>
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#include <adt/list.h>
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#include <memstr.h>
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#include <memstr.h>
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#include <align.h>
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#include <align.h>
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#include <mm/heap.h>
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#include <mm/frame.h>
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#include <mm/frame.h>
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#include <config.h>
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#include <config.h>
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#include <print.h>
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#include <print.h>
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#include <arch.h>
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#include <arch.h>
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#include <panic.h>
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#include <panic.h>
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{
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{
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    void *data;
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    void *data;
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    slab_t *slab;
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    slab_t *slab;
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    size_t fsize;
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    size_t fsize;
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    int i;
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    int i;
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    zone_t *zone = NULL;
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    int status;
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    int status;
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    frame_t *frame;
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    pfn_t pfn;
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    int zone=0;
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    data = (void *)frame_alloc_rc_zone(cache->order, FRAME_KA | flags, &status, &zone);
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    pfn = frame_alloc_rc_zone(cache->order, FRAME_KA | flags, &status, &zone);
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    data = (void *) PA2KA(PFN2ADDR(pfn));
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    if (status != FRAME_OK) {
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    if (status != FRAME_OK) {
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        return NULL;
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        return NULL;
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    }
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    }
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    if (! (cache->flags & SLAB_CACHE_SLINSIDE)) {
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    if (! (cache->flags & SLAB_CACHE_SLINSIDE)) {
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        slab = slab_alloc(slab_extern_cache, flags);
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        slab = slab_alloc(slab_extern_cache, flags);
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        if (!slab) {
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        if (!slab) {
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            frame_free((__address)data);
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            frame_free(ADDR2PFN(KA2PA(data)));
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            return NULL;
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            return NULL;
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        }
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        }
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    } else {
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    } else {
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        fsize = (PAGE_SIZE << cache->order);
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        fsize = (PAGE_SIZE << cache->order);
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        slab = data + fsize - sizeof(*slab);
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        slab = data + fsize - sizeof(*slab);
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    }
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    }
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    /* Fill in slab structures */
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    /* Fill in slab structures */
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    /* TODO: some better way of accessing the frame */
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    for (i=0; i < (1 << cache->order); i++) {
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    for (i=0; i < (1 << cache->order); i++)
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        frame = ADDR2FRAME(zone, KA2PA((__address)(data+i*PAGE_SIZE)));
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        frame->parent = slab;
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        frame_set_parent(pfn+i, slab, zone);
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    }
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182 
 
 179 
 
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    slab->start = data;
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    slab->start = data;
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    slab->available = cache->objects;
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    slab->available = cache->objects;
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    slab->nextavail = 0;
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    slab->nextavail = 0;
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    slab->cache = cache;
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    slab->cache = cache;
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 *
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 *
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 * @return number of freed frames
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 * @return number of freed frames
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 */
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 */
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static count_t slab_space_free(slab_cache_t *cache, slab_t *slab)
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static count_t slab_space_free(slab_cache_t *cache, slab_t *slab)
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{
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{
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    frame_free((__address)slab->start);
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    frame_free(ADDR2PFN(KA2PA(slab->start)));
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    if (! (cache->flags & SLAB_CACHE_SLINSIDE))
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    if (! (cache->flags & SLAB_CACHE_SLINSIDE))
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        slab_free(slab_extern_cache, slab);
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        slab_free(slab_extern_cache, slab);
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    atomic_dec(&cache->allocated_slabs);
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    atomic_dec(&cache->allocated_slabs);
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}
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}
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/** Map object to slab structure */
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/** Map object to slab structure */
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static slab_t * obj2slab(void *obj)
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static slab_t * obj2slab(void *obj)
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{
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{
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    frame_t *frame;
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215 
 
 - 
 
216 
    frame = frame_addr2frame((__address)obj);
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    return (slab_t *)frame->parent;
 211 
    return (slab_t *)frame_get_parent(ADDR2PFN(KA2PA(obj)), 0);
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}
 212 
}
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 213 
 
220 
/**************************************/
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/**************************************/
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/* SLAB functions */
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/* SLAB functions */
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    void *result = NULL;
 717 
    void *result = NULL;
724 
   
 718 
   
725 
    /* Disable interrupts to avoid deadlocks with interrupt handlers */
 719 
    /* Disable interrupts to avoid deadlocks with interrupt handlers */
726 
    ipl = interrupts_disable();
 720 
    ipl = interrupts_disable();
727 
 
 721 
 
728 
    if (!(cache->flags & SLAB_CACHE_NOMAGAZINE))
 722 
    if (!(cache->flags & SLAB_CACHE_NOMAGAZINE)) {
729 
        result = magazine_obj_get(cache);
 723 
        result = magazine_obj_get(cache);
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 724 
    }
730 
    if (!result)
 725 
    if (!result)
731 
        result = slab_obj_create(cache, flags);
 726 
        result = slab_obj_create(cache, flags);
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 727 
 
733 
    interrupts_restore(ipl);
 728 
    interrupts_restore(ipl);
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