UbixOS V2  2.0
kmalloc.h
Go to the documentation of this file.
1 /*-
2  * Copyright (c) 2002-2018 The UbixOS Project.
3  * All rights reserved.
4  *
5  * This was developed by Christopher W. Olsen for the UbixOS Project.
6  *
7  * Redistribution and use in source and binary forms, with or without modification, are permitted
8  * provided that the following conditions are met:
9  *
10  * 1) Redistributions of source code must retain the above copyright notice, this list of
11  * conditions, the following disclaimer and the list of authors.
12  * 2) Redistributions in binary form must reproduce the above copyright notice, this list of
13  * conditions, the following disclaimer and the list of authors in the documentation and/or
14  * other materials provided with the distribution.
15  * 3) Neither the name of the UbixOS Project nor the names of its contributors may be used to
16  * endorse or promote products derived from this software without specific prior written
17  * permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
20  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
21  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
24  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
26  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef _LIB_KMALLOC_H
30 #define _LIB_KMALLOC_H
31 
32 #include <sys/types.h>
33 
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
37 
38 #define sysID -2
39 #define MALLOC_ALIGN_SIZE 32
40 #define MALLOC_ALIGN(size) (size + ((((size) % (MALLOC_ALIGN_SIZE)) == 0)? 0 : ((MALLOC_ALIGN_SIZE) - ((size) % (MALLOC_ALIGN_SIZE)))))
41 
42  struct memDescriptor {
43  struct memDescriptor *prev; //4
44  struct memDescriptor *next; //4
45  void *baseAddr; //4
47  /*uInt8 status; //1 */
48  /*char reserved[11]; //11 */
49  };
50 
51  void kfree(void *baseAddr);
52  void *kmalloc(uInt32 len);
53 
54 #ifdef __cplusplus
55 }
56 #endif
57 
58 #endif
59 
60 /***
61  $Log: kmalloc.h,v $
62  Revision 1.1.1.1 2006/06/01 12:46:13 reddawg
63  ubix2
64 
65  Revision 1.2 2005/10/12 00:13:36 reddawg
66  Removed
67 
68  Revision 1.1.1.1 2005/09/26 17:23:40 reddawg
69  no message
70 
71  Revision 1.7 2004/09/14 20:57:01 reddawg
72  Bug fixes: macro problem over opt a multiply
73 
74  Revision 1.6 2004/07/21 10:02:09 reddawg
75  devfs: renamed functions
76  device system: renamed functions
77  fdc: fixed a few potential bugs and cleaned up some unused variables
78  strol: fixed definition
79  endtask: made it print out freepage debug info
80  kmalloc: fixed a huge memory leak we had some unhandled descriptor insertion so some descriptors were lost
81  ld: fixed a pointer conversion
82  file: cleaned up a few unused variables
83  sched: broke task deletion
84  kprintf: fixed ogPrintf definition
85 
86  Revision 1.5 2004/07/19 02:08:27 reddawg
87  Cleaned out the rest of debuging code also temporarily disabled the ip stack to improve boot time
88 
89  Revision 1.4 2004/07/18 05:24:15 reddawg
90  Fixens
91 
92  Revision 1.3 2004/05/21 15:00:27 reddawg
93  Cleaned up
94 
95  END
96  ***/
uInt32
unsigned long int uInt32
Definition: objgfx30.h:49
memDescriptor::baseAddr
void * baseAddr
Definition: kmalloc.h:45
memDescriptor::prev
struct memDescriptor * prev
Definition: kmalloc.h:43
kfree
void kfree(void *baseAddr)
Definition: kmalloc.c:342
types.h
memDescriptor::next
struct memDescriptor * next
Definition: kmalloc.h:44
memDescriptor::limit
uInt32 limit
Definition: kmalloc.h:46
kmalloc
void * kmalloc(uInt32 len)
Definition: kmalloc.c:241
memDescriptor
Definition: kmalloc.h:42