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/*
* 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/>.
*/
#ifndef TARGET_MICROBLAZE_MICROBLAZE_DECODE_H
#define TARGET_MICROBLAZE_MICROBLAZE_DECODE_H
/* 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, value and mask. */
#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_FPU {B8(00010110), B8(00111111)}
#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)}
#define DEC_STREAM {B8(00010011), B8(00110111)}
#endif
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