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Annotation of qemu/target-microblaze/microblaze-decode.h, revision 1.1

1.1     ! root        1: /*
        !             2:  *  MicroBlaze insn decoding macros.
        !             3:  *
        !             4:  *  Copyright (c) 2009 Edgar E. Iglesias <[email protected]>
        !             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: /* 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: 
        !            32: /* Decode logic, mask and value.  */
        !            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)}
        !            44: 
        !            45: #define DEC_LD      {B8(00110000), B8(00110100)}
        !            46: #define DEC_ST      {B8(00110100), B8(00110100)}
        !            47: #define DEC_IMM     {B8(00101100), B8(00111111)}
        !            48: 
        !            49: #define DEC_BR      {B8(00100110), B8(00110111)}
        !            50: #define DEC_BCC     {B8(00100111), B8(00110111)}
        !            51: #define DEC_RTS     {B8(00101101), B8(00111111)}

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