OpenCores
URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [insight/] [gdb/] [rdi-share/] [chanpriv.h] - Blame information for rev 1765

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 578 markom
/*
2
 * Copyright (C) 1995 Advanced RISC Machines Limited. All rights reserved.
3
 *
4
 * This software may be freely used, copied, modified, and distributed
5
 * provided that the above copyright notice is preserved in all copies of the
6
 * software.
7
 */
8
 
9
/* -*-C-*-
10
 *
11
 * $Revision: 1.1.1.1 $
12
 *     $Date: 2002-01-16 10:24:33 $
13
 *
14
 *
15
 *   Project: ANGEL
16
 *
17
 *     Title: Private header for channels implementations
18
 */
19
 
20
#ifndef angel_chanpriv_h
21
#define angel_chanpriv_h
22
 
23
/*
24
 * This describes the internal structure and flags for a channels packet.
25
 */
26
 
27
/* byte positions within channel packet */
28
#define CF_CHANNEL_BYTE_POS  0
29
#define CF_HOME_SEQ_BYTE_POS 1
30
#define CF_OPPO_SEQ_BYTE_POS 2
31
#define CF_FLAGS_BYTE_POS    3
32
#define CF_DATA_BYTE_POS     4
33
 
34
/* flags for FLAGS field */
35
#define CF_RELIABLE  (1 << 0)    /* use reliable channels protocol */
36
#define CF_RESEND    (1 << 1)    /* this is a renegotiation packet */
37
#define CF_HEARTBEAT (1 << 2)    /* heartbeat packet - prod target into sync */
38
 
39
/* byte positions within buffer */
40
#define CB_LINK_BYTE_POS        0   /* the link pointer */
41
#define CB_CHAN_HEADER_BYTE_POS 4   /* the channel frame starts here */
42
 
43
/* macro to get buffer position of packet component */
44
#define CB_PACKET(x) (CB_CHAN_HEADER_BYTE_POS + (x))
45
 
46
/* byte offset of packet data within buffer */
47
#define CB_CHAN_DATA_BYTE_POS   (CB_PACKET(CF_DATA_BYTE_POS))
48
 
49
/* access the link in a buffer, where b is byte pointer to buffer */
50
#define CB_LINK(b) ((p_Buffer)(&(b)[0]))
51
 
52
#define invalidChannelID(chan)  (((int)(chan)) < 0 || \
53
                                 (chan) >= CI_NUM_CHANNELS)
54
 
55
#endif /* ndef angel_chanpriv_h */
56
 
57
/* EOF chanpriv.h */

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.