mirror of
https://github.com/pmret/papermario.git
synced 2024-09-19 16:01:48 +02:00
124 lines
3.1 KiB
C
Executable File
124 lines
3.1 KiB
C
Executable File
|
|
/**************************************************************************
|
|
* *
|
|
* Copyright (C) 1994, Silicon Graphics, Inc. *
|
|
* *
|
|
* These coded instructions, statements, and computer programs contain *
|
|
* unpublished proprietary information of Silicon Graphics, Inc., and *
|
|
* are protected by Federal copyright law. They may not be disclosed *
|
|
* to third parties or copied or duplicated in any form, in whole or *
|
|
* in part, without the prior written consent of Silicon Graphics, Inc. *
|
|
* *
|
|
**************************************************************************/
|
|
|
|
/**************************************************************************
|
|
*
|
|
* Module: region.h
|
|
*
|
|
* $Revision: 1.8 $
|
|
* $Date: 1997/11/26 00:30:56 $
|
|
* $Author: mitu $
|
|
* $Source: /hosts/gate3/exdisk2/cvs/N64OS/Master/cvsmdev2/PR/include/region.h,v $
|
|
*
|
|
* Description:
|
|
* This file contains macros and structure definitions for the region
|
|
* library.
|
|
*
|
|
**************************************************************************/
|
|
|
|
|
|
#ifndef _REGION_H_
|
|
#define _REGION_H_
|
|
|
|
|
|
#ifdef _LANGUAGE_C_PLUS_PLUS
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include <PR/ultratypes.h>
|
|
|
|
|
|
/***************************************
|
|
*
|
|
* Global defines
|
|
*
|
|
*/
|
|
/* Alignment sizes */
|
|
#define ALIGNSZ (sizeof(long long)) /* 8 bytes */
|
|
#define ALIGNOFFST (ALIGNSZ-1)
|
|
|
|
/* size for storing index to free buffer */
|
|
#define BUF_CTRL_SIZE ALIGNSZ
|
|
|
|
/* Max bufcount = 32K */
|
|
#define MAX_BUFCOUNT 0x8000
|
|
/* code for last free buffer */
|
|
#define BUF_FREE_WO_NEXT 0x8000
|
|
|
|
/*
|
|
* Global defines for alignment size (default is 8-byte alignment)
|
|
*/
|
|
#define OS_RG_ALIGN_2B 2 /* 2 bytes = 16-bit alignment */
|
|
#define OS_RG_ALIGN_4B 4 /* 4 bytes = 32-bit alignment */
|
|
#define OS_RG_ALIGN_8B 8 /* 8 bytes = 64-bit alignment */
|
|
#define OS_RG_ALIGN_16B 16 /* 16 bytes = 128-bit alignment */
|
|
|
|
#define OS_RG_ALIGN_DEFAULT OS_RG_ALIGN_8B
|
|
|
|
|
|
/***************************************
|
|
*
|
|
* Macro definitions
|
|
*
|
|
*/
|
|
|
|
/* Perform alignment on input 's' */
|
|
#define ALIGN(s, align) (((u32)(s) + ((align)-1)) & ~((align)-1))
|
|
|
|
|
|
/***************************************
|
|
*
|
|
* Typedefs & structure definitions
|
|
*
|
|
*/
|
|
/*
|
|
* Structure for region header/control area
|
|
*/
|
|
typedef struct _Region_s {
|
|
u8 *r_startBufferAddress; /* start address to data buffer */
|
|
u8 *r_endAddress; /* end address of region */
|
|
s32 r_bufferSize; /* size of buffers for this region */
|
|
s32 r_bufferCount; /* up to 32K entries; MSB is used for
|
|
setting end-of-list/used */
|
|
u16 r_freeList; /* point to array index of first
|
|
available memory buffer */
|
|
u16 r_alignSize; /* alignment size (# of bytes) */
|
|
} OSRegion;
|
|
|
|
/*
|
|
* Macro to simplify accessing region header structure
|
|
*/
|
|
#define RP(x) rp->r_##x
|
|
|
|
|
|
/***************************************
|
|
*
|
|
* Function prototypes
|
|
*
|
|
*/
|
|
extern void *osCreateRegion(void *, u32, u32, u32);
|
|
extern void *osMalloc(void *);
|
|
extern void osFree(void *, void *);
|
|
extern s32 osGetRegionBufCount(void *);
|
|
extern s32 osGetRegionBufSize(void *);
|
|
|
|
|
|
#ifdef _LANGUAGE_C_PLUS_PLUS
|
|
}
|
|
#endif
|
|
|
|
|
|
#endif /* _REGION_H_ */
|
|
|
|
|