OSAlloc.c File Reference

#include <dolphin.h>
#include <dolphin/os.h>

Data Structures
struct	Cell
struct	HeapDesc

Macros
#define	ALIGNMENT   32
#define	InRange(cell, arenaStart, arenaEnd)
#define	HEADERSIZE   32u
#define	MINOBJSIZE   64u
#define	ASSERTREPORT(line, cond)

Functions
static struct Cell *	DLAddFront (struct Cell *list, struct Cell *cell)
static struct Cell *	DLLookup (struct Cell *list, struct Cell *cell)
static struct Cell *	DLExtract (struct Cell *list, struct Cell *cell)
static struct Cell *	DLInsert (struct Cell *list, struct Cell *cell)
static int	DLOverlap (struct Cell *list, void *start, void *end)
static long	DLSize (struct Cell *list)
void *	OSAllocFromHeap (int heap, unsigned long size)
void *	OSAllocFixed (void *rstart, void *rend)
void	OSFreeToHeap (int heap, void *ptr)
int	OSSetCurrentHeap (int heap)
void *	OSInitAlloc (void *arenaStart, void *arenaEnd, int maxHeaps)
int	OSCreateHeap (void *start, void *end)
void	OSDestroyHeap (int heap)
void	OSAddToHeap (int heap, void *start, void *end)
long	OSCheckHeap (int heap)
unsigned long	OSReferentSize (void *ptr)
void	OSDumpHeap (int heap)
void	OSVisitAllocated (void(*visitor)(void *, unsigned long))

Variables
volatile int	__OSCurrHeap = -1
static struct HeapDesc *	HeapArray
static int	NumHeaps
static void *	ArenaStart
static void *	ArenaEnd

Macro Definition Documentation

ALIGNMENT

#define ALIGNMENT   32

InRange

#define InRange	(		cell,
			arenaStart,
			arenaEnd )

Value:

((u32) arenaStart <= (u32) cell) && ((u32) cell < (u32) arenaEnd)

HEADERSIZE

#define HEADERSIZE   32u

MINOBJSIZE

#define MINOBJSIZE   64u

ASSERTREPORT

#define ASSERTREPORT	(		line,
			cond )

Value:

if (!(cond)) {                                                            \
    OSReport("OSCheckHeap: Failed " #cond " in %d", line);                \
    return -1;                                                            \
}

Function Documentation

DLAddFront()

struct Cell * DLAddFront ( struct Cell * list, struct Cell * cell )

static

DLLookup()

struct Cell * DLLookup ( struct Cell * list, struct Cell * cell )

static

DLExtract()

struct Cell * DLExtract ( struct Cell * list, struct Cell * cell )

static

DLInsert()

struct Cell * DLInsert ( struct Cell * list, struct Cell * cell )

static

DLOverlap()

int DLOverlap ( struct Cell * list, void * start, void * end )

static

DLSize()

long DLSize ( struct Cell * list )

static

OSAllocFromHeap()

void * OSAllocFromHeap	(	int	heap,
		unsigned long	size )

OSAllocFixed()

void * OSAllocFixed	(	void *	rstart,
		void *	rend )

OSFreeToHeap()

void OSFreeToHeap	(	int	heap,
		void *	ptr )

OSSetCurrentHeap()

int OSSetCurrentHeap

(

int

heap

)

OSInitAlloc()

void * OSInitAlloc	(	void *	arenaStart,
		void *	arenaEnd,
		int	maxHeaps )

OSCreateHeap()

int OSCreateHeap	(	void *	start,
		void *	end )

OSDestroyHeap()

void OSDestroyHeap

(

int

heap

)

OSAddToHeap()

void OSAddToHeap	(	int	heap,
		void *	start,
		void *	end )

OSCheckHeap()

long OSCheckHeap

(

int

heap

)

OSReferentSize()

unsigned long OSReferentSize

(

void *

ptr

)

OSDumpHeap()

void OSDumpHeap

(

int

heap

)

OSVisitAllocated()

void OSVisitAllocated

(

void(*

visitor )(void *, unsigned long)

)

Variable Documentation

__OSCurrHeap

volatile int __OSCurrHeap = -1

HeapArray

struct HeapDesc* HeapArray

static

NumHeaps

int NumHeaps

static

ArenaStart

void* ArenaStart

static

ArenaEnd

void* ArenaEnd

static