UmmMalloc.c File Reference

#include <Library/OcMemoryLib.h>

Go to the source code of this file.

Data Structures
struct	umm_ptr_t
struct	umm_block_t

Macros
#define	UMM_MALLOC_CFG_HEAP_SIZE   default_umm_heap_size
#define	UMM_MALLOC_CFG_HEAP_ADDR   default_umm_heap
#define	UMM_BEST_FIT
#define	DBGLOG_DEBUG(format, ...)
#define	DBGLOG_TRACE(froamt, ...)
#define	UMM_CRITICAL_ENTRY()
#define	UMM_CRITICAL_EXIT()
#define	UMM_FREELIST_MASK   (0x80000000)
#define	UMM_BLOCKNO_MASK   (0x7FFFFFFF)
#define	UMM_NUMBLOCKS   (umm_numblocks)
#define	UMM_BLOCK(b)
#define	UMM_NBLOCK(b)
#define	UMM_PBLOCK(b)
#define	UMM_NFREE(b)
#define	UMM_PFREE(b)
#define	UMM_DATA(b)

Typedefs
typedef struct umm_ptr_t	umm_ptr
typedef struct umm_block_t	umm_block

Functions
STATIC UINT32	umm_blocks (UINT32 size)
STATIC VOID	umm_split_block (UINT32 c, UINT32 blocks, UINT32 new_freemask)
STATIC VOID	umm_disconnect_from_free_list (UINT32 c)
STATIC VOID	umm_assimilate_up (UINT32 c)
STATIC UINT32	umm_assimilate_down (UINT32 c, UINT32 freemask)
VOID	umm_init (VOID)
BOOLEAN	UmmInitialized (VOID)
VOID	UmmSetHeap (VOID *heap, UINT32 size)
BOOLEAN	UmmFree (VOID *ptr)
VOID *	UmmMalloc (UINT32 size)

Variables
STATIC UINT8 *	default_umm_heap
STATIC UINT32	default_umm_heap_size
umm_block *	umm_heap = NULL
UINT32	umm_numblocks = 0

Macro Definition Documentation

DBGLOG_DEBUG

#define DBGLOG_DEBUG	(		format,
			... )

Value:

do { } while (0)

Definition at line 67 of file UmmMalloc.c.

DBGLOG_TRACE

#define DBGLOG_TRACE	(		froamt,
			... )

Value:

do { } while (0)

Definition at line 68 of file UmmMalloc.c.

UMM_BEST_FIT

#define UMM_BEST_FIT

Definition at line 65 of file UmmMalloc.c.

UMM_BLOCK

#define UMM_BLOCK

(

b

)

Value:

(umm_heap[b])

Definition at line 106 of file UmmMalloc.c.

UMM_BLOCKNO_MASK

#define UMM_BLOCKNO_MASK   (0x7FFFFFFF)

Definition at line 95 of file UmmMalloc.c.

UMM_CRITICAL_ENTRY

#define UMM_CRITICAL_ENTRY

(

)

Definition at line 70 of file UmmMalloc.c.

UMM_CRITICAL_EXIT

#define UMM_CRITICAL_EXIT

(

)

Definition at line 71 of file UmmMalloc.c.

UMM_DATA

#define UMM_DATA

(

b

)

Value:

(UMM_BLOCK(b).body.data)

Definition at line 112 of file UmmMalloc.c.

UMM_FREELIST_MASK

#define UMM_FREELIST_MASK   (0x80000000)

Definition at line 94 of file UmmMalloc.c.

UMM_MALLOC_CFG_HEAP_ADDR

#define UMM_MALLOC_CFG_HEAP_ADDR   default_umm_heap

Definition at line 63 of file UmmMalloc.c.

UMM_MALLOC_CFG_HEAP_SIZE

#define UMM_MALLOC_CFG_HEAP_SIZE   default_umm_heap_size

Definition at line 62 of file UmmMalloc.c.

UMM_NBLOCK

#define UMM_NBLOCK

(

b

)

Value:

(UMM_BLOCK(b).header.used.next)

Definition at line 108 of file UmmMalloc.c.

UMM_NFREE

#define UMM_NFREE

(

b

)

Value:

(UMM_BLOCK(b).body.free.next)

Definition at line 110 of file UmmMalloc.c.

UMM_NUMBLOCKS

#define UMM_NUMBLOCKS   (umm_numblocks)

Definition at line 102 of file UmmMalloc.c.

UMM_PBLOCK

#define UMM_PBLOCK

(

b

)

Value:

(UMM_BLOCK(b).header.used.prev)

Definition at line 109 of file UmmMalloc.c.

UMM_PFREE

#define UMM_PFREE

(

b

)

Value:

(UMM_BLOCK(b).body.free.prev)

Definition at line 111 of file UmmMalloc.c.

Typedef Documentation

umm_block

typedef struct umm_block_t umm_block

umm_ptr

typedef struct umm_ptr_t umm_ptr

Function Documentation

umm_assimilate_down()

STATIC UINT32 umm_assimilate_down	(	UINT32	c,
		UINT32	freemask )

Definition at line 204 of file UmmMalloc.c.

umm_assimilate_up()

STATIC VOID umm_assimilate_up

(

UINT32

c

)

Definition at line 178 of file UmmMalloc.c.

umm_blocks()

STATIC UINT32 umm_blocks

(

UINT32

size

)

Definition at line 116 of file UmmMalloc.c.

umm_disconnect_from_free_list()

STATIC VOID umm_disconnect_from_free_list

(

UINT32

c

)

Definition at line 162 of file UmmMalloc.c.

umm_init()

VOID umm_init

(

VOID

)

Definition at line 214 of file UmmMalloc.c.

umm_split_block()

STATIC VOID umm_split_block	(	UINT32	c,
		UINT32	blocks,
		UINT32	new_freemask )

Definition at line 149 of file UmmMalloc.c.

UmmFree()

BOOLEAN UmmFree

(

VOID *

ptr

)

Definition at line 290 of file UmmMalloc.c.

UmmInitialized()

BOOLEAN UmmInitialized

(

VOID

)

Check whether built-in allocator is initialized.

Return values

TRUE	on success.

Definition at line 276 of file UmmMalloc.c.

UmmMalloc()

VOID * UmmMalloc

(

UINT32

size

)

Definition at line 365 of file UmmMalloc.c.

UmmSetHeap()

VOID UmmSetHeap	(	VOID *	heap,
		UINT32	size )

Definition at line 282 of file UmmMalloc.c.

Variable Documentation

default_umm_heap

STATIC UINT8* default_umm_heap

Definition at line 59 of file UmmMalloc.c.

default_umm_heap_size

STATIC UINT32 default_umm_heap_size

Definition at line 60 of file UmmMalloc.c.

umm_heap

umm_block* umm_heap = NULL

Definition at line 99 of file UmmMalloc.c.

umm_numblocks

UINT32 umm_numblocks = 0

Definition at line 100 of file UmmMalloc.c.