Subversion Repositories HelenOS-historic

Rev

Rev 788 | Rev 831 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 788 Rev 830
Line 30... Line 30...
30 
#include <arch/mm/asid.h>
 30 
#include <arch/mm/asid.h>
31 
#include <mm/asid.h>
 31 
#include <mm/asid.h>
32 
#include <typedefs.h>
 32 
#include <typedefs.h>
33 
#include <adt/fifo.h>
 33 
#include <adt/fifo.h>
34 
 
 34 
 
- 
 
 35 
#define FIFO_STATIC_LIMIT   1024
- 
 
 36 
#define FIFO_STATIC     (ASIDS_ALLOCABLE<FIFO_STATIC_LIMIT)
35 
/**
 37 
/**
36 
 * FIFO queue containing unassigned ASIDs.
 38 
 * FIFO queue containing unassigned ASIDs.
37 
 * Can be only accessed when asidlock is held.
 39 
 * Can be only accessed when asidlock is held.
38 
 */
 40 
 */
- 
 
 41 
#if FIFO_STATIC
39 
FIFO_INITIALIZE(free_asids, asid_t, ASIDS_ALLOCABLE);
 42 
FIFO_INITIALIZE_STATIC(free_asids, asid_t, ASIDS_ALLOCABLE);
- 
 
 43 
#else
- 
 
 44 
FIFO_INITIALIZE_DYNAMIC(free_asids, asid_t, ASIDS_ALLOCABLE);
- 
 
 45 
#endif
40 
 
 46 
 
41 
/** Initialize data structures for O(1) ASID allocation and deallocation. */
 47 
/** Initialize data structures for O(1) ASID allocation and deallocation. */
42 
void asid_fifo_init(void)
 48 
void asid_fifo_init(void)
43 
{
 49 
{
44 
    int i;
 50 
    int i;
- 
 
 51 
 
- 
 
 52 
    #if (!FIFO_STATIC)
- 
 
 53 
    fifo_create(free_asids);
- 
 
 54 
    #endif
45 
   
 55 
       
46 
    for (i = 0; i < ASIDS_ALLOCABLE; i++) {
 56 
    for (i = 0; i < ASIDS_ALLOCABLE; i++) {
47 
        fifo_push(free_asids, ASID_START + i);
 57 
        fifo_push(free_asids, ASID_START + i);
48 
    }
 58 
    }
49 
}
 59 
}
50 
 
 60