projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 4acb54ba EI |
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 | |
| 8167ee88 | 17 | * License along with this library; if not, see <http://www.gnu.org/licenses/>. |
| 4acb54ba EI |
18 | */ |
| 19 | ||
| 20 | /* Convenient binary macros. */ | |
| 21 | #define HEX__(n) 0x##n##LU | |
| 22 | #define B8__(x) ((x&0x0000000FLU)?1:0) \ | |
| 23 | + ((x&0x000000F0LU)?2:0) \ | |
| 24 | + ((x&0x00000F00LU)?4:0) \ | |
| 25 | + ((x&0x0000F000LU)?8:0) \ | |
| 26 | + ((x&0x000F0000LU)?16:0) \ | |
| 27 | + ((x&0x00F00000LU)?32:0) \ | |
| 28 | + ((x&0x0F000000LU)?64:0) \ | |
| 29 | + ((x&0xF0000000LU)?128:0) | |
| 30 | #define B8(d) ((unsigned char)B8__(HEX__(d))) | |
| 31 | ||
| 329bfa77 | 32 | /* Decode logic, value and mask. */ |
| 4acb54ba EI |
33 | #define DEC_ADD {B8(00000000), B8(00110001)} |
| 34 | #define DEC_SUB {B8(00000001), B8(00110001)} | |
| 35 | #define DEC_AND {B8(00100001), B8(00110101)} | |
| 36 | #define DEC_XOR {B8(00100010), B8(00110111)} | |
| 37 | #define DEC_OR {B8(00100000), B8(00110111)} | |
| 38 | #define DEC_BIT {B8(00100100), B8(00111111)} | |
| 39 | #define DEC_MSR {B8(00100101), B8(00111111)} | |
| 40 | ||
| 41 | #define DEC_BARREL {B8(00010001), B8(00110111)} | |
| 42 | #define DEC_MUL {B8(00010000), B8(00110111)} | |
| 43 | #define DEC_DIV {B8(00010010), B8(00110111)} | |
| 329bfa77 | 44 | #define DEC_FPU {B8(00010110), B8(00111111)} |
| 4acb54ba EI |
45 | |
| 46 | #define DEC_LD {B8(00110000), B8(00110100)} | |
| 47 | #define DEC_ST {B8(00110100), B8(00110100)} | |
| 48 | #define DEC_IMM {B8(00101100), B8(00111111)} | |
| 49 | ||
| 50 | #define DEC_BR {B8(00100110), B8(00110111)} | |
| 51 | #define DEC_BCC {B8(00100111), B8(00110111)} | |
| 52 | #define DEC_RTS {B8(00101101), B8(00111111)} | |
| 6d76d23e EI |
53 | |
| 54 | #define DEC_STREAM {B8(00010011), B8(00110111)} | |
| 55 |