38,34 → 38,44 |
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#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> |
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#define ONE_FRAME 0 |
#define TWO_FRAMES 1 |
#define FOUR_FRAMES 2 |
#define ONE_FRAME 0 |
#define TWO_FRAMES 1 |
#define FOUR_FRAMES 2 |
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#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 |
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/** Maximum number of zones in system. */ |
#define ZONES_MAX 16 |
/** Maximum number of zones in the system. */ |
#define ZONES_MAX 32 |
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/** Convert the frame address to kernel va. */ |
#define FRAME_KA 0x1 |
typedef uint8_t frame_flags_t; |
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/** 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 |
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typedef uint8_t zone_flags_t; |
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/** Zone is reserved (not available for allocation) */ |
#define ZONE_RESERVED 0x08 |
/** Zone is used by firmware (not available for allocation) */ |
#define ZONE_FIRMWARE 0x10 |
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/** Currently there is no equivalent zone flags |
for frame flags */ |
#define FRAME_TO_ZONE_FLAGS(frame_flags) 0 |
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static inline uintptr_t PFN2ADDR(pfn_t frame) |
{ |
return (uintptr_t) (frame << FRAME_WIDTH); |
88,31 → 98,31 |
return (size_t) (frames << FRAME_WIDTH); |
} |
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#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) |
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#define frame_alloc(order, flags) \ |
#define frame_alloc(order, flags) \ |
frame_alloc_generic(order, flags, NULL) |
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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); |
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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); |
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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); |
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#endif |
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