blob: 32b23c6fa0e0215d96793455f0fb59f43a0aefd8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/* -*- c++ -*- */
/*
* Copyright 2007,2008 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* GNU Radio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef INCLUDED_GC_MBOX_H
#define INCLUDED_GC_MBOX_H
/*
* The PPE and SPE exchange a few 32-bit messages via mailboxes.
* All have a 4 bit opcode in the high bits.
*
* 3 2 1
* 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | op | arg |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*
*/
#define MK_MBOX_MSG(cmd, args) ((((cmd) & 0xf) << 28) | ((args) & 0x0fffffff))
#define MBOX_MSG_OP(msg) (((msg) >> 28) & 0xf)
#define MBOX_MSG_ARG(msg) ((msg) & 0x0fffffff)
// PPE to SPE (sent via SPE Read Inbound Mailbox)
#define OP_EXIT 0x0 // exit now
#define OP_GET_SPU_BUFSIZE 0x1
// SPE to PPE (sent via SPE Write Outbound Interrupt Mailbox)
#define OP_JOBS_DONE 0x2 // arg is 0 or 1, indicating which
// gc_completion_info_t contains the info
#define OP_SPU_BUFSIZE 0x3 // arg is max number of bytes
#endif /* INCLUDED_GC_MBOX_H */
|
