jcs.org
qemu with hax to log dma reads & writes
jcs.org/2018/11/12/vfio
1/*
2 * MicroBlaze insn decoding macros.
3 *
4 * Copyright (c) 2009 Edgar E. Iglesias <edgar.iglesias@gmail.com>
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18 */
19
20#ifndef TARGET_MICROBLAZE_MICROBLAZE_DECODE_H
21#define TARGET_MICROBLAZE_MICROBLAZE_DECODE_H
22
23/* Convenient binary macros. */
24#define HEX__(n) 0x##n##LU
25#define B8__(x) ((x&0x0000000FLU)?1:0) \
26 + ((x&0x000000F0LU)?2:0) \
27 + ((x&0x00000F00LU)?4:0) \
28 + ((x&0x0000F000LU)?8:0) \
29 + ((x&0x000F0000LU)?16:0) \
30 + ((x&0x00F00000LU)?32:0) \
31 + ((x&0x0F000000LU)?64:0) \
32 + ((x&0xF0000000LU)?128:0)
33#define B8(d) ((unsigned char)B8__(HEX__(d)))
34
35/* Decode logic, value and mask. */
36#define DEC_ADD {B8(00000000), B8(00110001)}
37#define DEC_SUB {B8(00000001), B8(00110001)}
38#define DEC_AND {B8(00100001), B8(00110101)}
39#define DEC_XOR {B8(00100010), B8(00110111)}
40#define DEC_OR {B8(00100000), B8(00110111)}
41#define DEC_BIT {B8(00100100), B8(00111111)}
42#define DEC_MSR {B8(00100101), B8(00111111)}
43
44#define DEC_BARREL {B8(00010001), B8(00110111)}
45#define DEC_MUL {B8(00010000), B8(00110111)}
46#define DEC_DIV {B8(00010010), B8(00110111)}
47#define DEC_FPU {B8(00010110), B8(00111111)}
48
49#define DEC_LD {B8(00110000), B8(00110100)}
50#define DEC_ST {B8(00110100), B8(00110100)}
51#define DEC_IMM {B8(00101100), B8(00111111)}
52
53#define DEC_BR {B8(00100110), B8(00110111)}
54#define DEC_BCC {B8(00100111), B8(00110111)}
55#define DEC_RTS {B8(00101101), B8(00111111)}
56
57#define DEC_STREAM {B8(00010011), B8(00110111)}
58
59#endif