| /* |
| * MicroBlaze insn decoding macros. |
| * |
| * Copyright (c) 2009 Edgar E. Iglesias <edgar.iglesias@gmail.com> |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library 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 |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| /* Convenient binary macros. */ |
| #define HEX__(n) 0x##n##LU |
| #define B8__(x) ((x&0x0000000FLU)?1:0) \ |
| + ((x&0x000000F0LU)?2:0) \ |
| + ((x&0x00000F00LU)?4:0) \ |
| + ((x&0x0000F000LU)?8:0) \ |
| + ((x&0x000F0000LU)?16:0) \ |
| + ((x&0x00F00000LU)?32:0) \ |
| + ((x&0x0F000000LU)?64:0) \ |
| + ((x&0xF0000000LU)?128:0) |
| #define B8(d) ((unsigned char)B8__(HEX__(d))) |
| |
| /* Decode logic, mask and value. */ |
| #define DEC_ADD {B8(00000000), B8(00110001)} |
| #define DEC_SUB {B8(00000001), B8(00110001)} |
| #define DEC_AND {B8(00100001), B8(00110101)} |
| #define DEC_XOR {B8(00100010), B8(00110111)} |
| #define DEC_OR {B8(00100000), B8(00110111)} |
| #define DEC_BIT {B8(00100100), B8(00111111)} |
| #define DEC_MSR {B8(00100101), B8(00111111)} |
| |
| #define DEC_BARREL {B8(00010001), B8(00110111)} |
| #define DEC_MUL {B8(00010000), B8(00110111)} |
| #define DEC_DIV {B8(00010010), B8(00110111)} |
| |
| #define DEC_LD {B8(00110000), B8(00110100)} |
| #define DEC_ST {B8(00110100), B8(00110100)} |
| #define DEC_IMM {B8(00101100), B8(00111111)} |
| |
| #define DEC_BR {B8(00100110), B8(00110111)} |
| #define DEC_BCC {B8(00100111), B8(00110111)} |
| #define DEC_RTS {B8(00101101), B8(00111111)} |
