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Ignore whitespace Rev 3971 → Rev 3972

/trunk/kernel/generic/include/mm/frame.h
38,34 → 38,44
 
#include <arch/types.h>
#include <adt/list.h>
#include <synch/spinlock.h>
#include <mm/buddy.h>
#include <arch/mm/page.h>
#include <arch/mm/frame.h>
 
#define ONE_FRAME 0
#define TWO_FRAMES 1
#define FOUR_FRAMES 2
#define ONE_FRAME 0
#define TWO_FRAMES 1
#define FOUR_FRAMES 2
 
 
#ifdef ARCH_STACK_FRAMES
#define STACK_FRAMES ARCH_STACK_FRAMES
#define STACK_FRAMES ARCH_STACK_FRAMES
#else
#define STACK_FRAMES ONE_FRAME
#define STACK_FRAMES ONE_FRAME
#endif
 
/** Maximum number of zones in system. */
#define ZONES_MAX 16
/** Maximum number of zones in the system. */
#define ZONES_MAX 32
 
/** Convert the frame address to kernel va. */
#define FRAME_KA 0x1
typedef uint8_t frame_flags_t;
 
/** Convert the frame address to kernel VA. */
#define FRAME_KA 0x01
/** Do not panic and do not sleep on failure. */
#define FRAME_ATOMIC 0x2
#define FRAME_ATOMIC 0x02
/** Do not start reclaiming when no free memory. */
#define FRAME_NO_RECLAIM 0x4
/** Do not allocate above 4 GiB. */
#define FRAME_LOW_4_GiB 0x8
#define FRAME_NO_RECLAIM 0x04
 
typedef uint8_t zone_flags_t;
 
/** Zone is reserved (not available for allocation) */
#define ZONE_RESERVED 0x08
/** Zone is used by firmware (not available for allocation) */
#define ZONE_FIRMWARE 0x10
 
/** Currently there is no equivalent zone flags
for frame flags */
#define FRAME_TO_ZONE_FLAGS(frame_flags) 0
 
static inline uintptr_t PFN2ADDR(pfn_t frame)
{
return (uintptr_t) (frame << FRAME_WIDTH);
88,31 → 98,31
return (size_t) (frames << FRAME_WIDTH);
}
 
#define IS_BUDDY_ORDER_OK(index, order) \
#define IS_BUDDY_ORDER_OK(index, order) \
((~(((unative_t) -1) << (order)) & (index)) == 0)
#define IS_BUDDY_LEFT_BLOCK(zone, frame) \
(((frame_index((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 0)
#define IS_BUDDY_RIGHT_BLOCK(zone, frame) \
(((frame_index((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 1)
#define IS_BUDDY_LEFT_BLOCK_ABS(zone, frame) \
(((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 0)
#define IS_BUDDY_RIGHT_BLOCK_ABS(zone, frame) \
(((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 1)
#define IS_BUDDY_LEFT_BLOCK(zone, frame) \
(((frame_index((zone), (frame)) >> (frame)->buddy_order) & 0x01) == 0)
#define IS_BUDDY_RIGHT_BLOCK(zone, frame) \
(((frame_index((zone), (frame)) >> (frame)->buddy_order) & 0x01) == 1)
#define IS_BUDDY_LEFT_BLOCK_ABS(zone, frame) \
(((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x01) == 0)
#define IS_BUDDY_RIGHT_BLOCK_ABS(zone, frame) \
(((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x01) == 1)
 
#define frame_alloc(order, flags) \
#define frame_alloc(order, flags) \
frame_alloc_generic(order, flags, NULL)
 
extern void frame_init(void);
extern void *frame_alloc_generic(uint8_t, int, unsigned int *);
extern void *frame_alloc_generic(uint8_t, frame_flags_t, count_t *);
extern void frame_free(uintptr_t);
extern void frame_reference_add(pfn_t);
 
extern int zone_create(pfn_t, count_t, pfn_t, int);
extern void *frame_get_parent(pfn_t, unsigned int);
extern void frame_set_parent(pfn_t, void *, unsigned int);
extern count_t zone_create(pfn_t, count_t, pfn_t, zone_flags_t);
extern void *frame_get_parent(pfn_t, count_t);
extern void frame_set_parent(pfn_t, void *, count_t);
extern void frame_mark_unavailable(pfn_t, count_t);
extern uintptr_t zone_conf_size(count_t);
extern void zone_merge(unsigned int, unsigned int);
extern bool zone_merge(count_t, count_t);
extern void zone_merge_all(void);
extern uint64_t zone_total_size(void);
 
120,7 → 130,7
* Console functions
*/
extern void zone_print_list(void);
extern void zone_print_one(unsigned int);
extern void zone_print_one(count_t);
 
#endif