Subversion Repositories HelenOS-historic

Rev

Rev 615 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 615 Rev 623
Line 41... Line 41...
41 
 * Simple, but hopefully correct.
 41 
 * Simple, but hopefully correct.
42 
 * Chunks being freed are tested for mergability with their neighbours.
 42 
 * Chunks being freed are tested for mergability with their neighbours.
43 
 */
 43 
 */
44 
 
 44 
 
45 
static chunk_t *chunk0;
 45 
static chunk_t *chunk0;
46 
static spinlock_t heaplock;
 46 
SPINLOCK_INITIALIZE(heaplock);
47 
 
 47 
 
48 
void early_heap_init(__address heap, size_t size)
 48 
void early_heap_init(__address heap, size_t size)
49 
{
 49 
{
50 
    spinlock_initialize(&heaplock, "heap_lock");
 - 
 
51 
    memsetb(heap, size, 0);
 50 
    memsetb(heap, size, 0);
52 
    chunk0 = (chunk_t *) heap;
 51 
    chunk0 = (chunk_t *) heap;
53 
    chunk0->used = 0;
 52 
    chunk0->used = 0;
54 
    chunk0->size = size - sizeof(chunk_t);
 53 
    chunk0->size = size - sizeof(chunk_t);
55 
    chunk0->next = NULL;
 54 
    chunk0->next = NULL;