xref: /openbmc/qemu/target/hexagon/mmvec/mmvec.h (revision ffe98631)
1 /*
2  *  Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved.
3  *
4  *  This program is free software; you can redistribute it and/or modify
5  *  it under the terms of the GNU General Public License as published by
6  *  the Free Software Foundation; either version 2 of the License, or
7  *  (at your option) any later version.
8  *
9  *  This program is distributed in the hope that it will be useful,
10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  *  GNU General Public License for more details.
13  *
14  *  You should have received a copy of the GNU General Public License
15  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #ifndef HEXAGON_MMVEC_H
19 #define HEXAGON_MMVEC_H
20 
21 #define MAX_VEC_SIZE_LOGBYTES 7
22 #define MAX_VEC_SIZE_BYTES  (1 << MAX_VEC_SIZE_LOGBYTES)
23 
24 #define NUM_VREGS           32
25 #define NUM_QREGS           4
26 
27 typedef uint32_t VRegMask; /* at least NUM_VREGS bits */
28 typedef uint32_t QRegMask; /* at least NUM_QREGS bits */
29 
30 #define VECTOR_SIZE_BYTE    (fVECSIZE())
31 
32 typedef union {
33     uint64_t ud[MAX_VEC_SIZE_BYTES / 8];
34     int64_t   d[MAX_VEC_SIZE_BYTES / 8];
35     uint32_t uw[MAX_VEC_SIZE_BYTES / 4];
36     int32_t   w[MAX_VEC_SIZE_BYTES / 4];
37     uint16_t uh[MAX_VEC_SIZE_BYTES / 2];
38     int16_t   h[MAX_VEC_SIZE_BYTES / 2];
39     uint8_t  ub[MAX_VEC_SIZE_BYTES / 1];
40     int8_t    b[MAX_VEC_SIZE_BYTES / 1];
41 } MMVector;
42 
43 typedef union {
44     uint64_t ud[2 * MAX_VEC_SIZE_BYTES / 8];
45     int64_t   d[2 * MAX_VEC_SIZE_BYTES / 8];
46     uint32_t uw[2 * MAX_VEC_SIZE_BYTES / 4];
47     int32_t   w[2 * MAX_VEC_SIZE_BYTES / 4];
48     uint16_t uh[2 * MAX_VEC_SIZE_BYTES / 2];
49     int16_t   h[2 * MAX_VEC_SIZE_BYTES / 2];
50     uint8_t  ub[2 * MAX_VEC_SIZE_BYTES / 1];
51     int8_t    b[2 * MAX_VEC_SIZE_BYTES / 1];
52     MMVector v[2];
53 } MMVectorPair;
54 
55 typedef union {
56     uint64_t ud[MAX_VEC_SIZE_BYTES / 8 / 8];
57     int64_t   d[MAX_VEC_SIZE_BYTES / 8 / 8];
58     uint32_t uw[MAX_VEC_SIZE_BYTES / 4 / 8];
59     int32_t   w[MAX_VEC_SIZE_BYTES / 4 / 8];
60     uint16_t uh[MAX_VEC_SIZE_BYTES / 2 / 8];
61     int16_t   h[MAX_VEC_SIZE_BYTES / 2 / 8];
62     uint8_t  ub[MAX_VEC_SIZE_BYTES / 1 / 8];
63     int8_t    b[MAX_VEC_SIZE_BYTES / 1 / 8];
64 } MMQReg;
65 
66 typedef struct {
67     MMVector data;
68     DECLARE_BITMAP(mask, MAX_VEC_SIZE_BYTES);
69     target_ulong va[MAX_VEC_SIZE_BYTES];
70     bool op;
71     int op_size;
72 } VTCMStoreLog;
73 
74 
75 /* Types of vector register assignment */
76 typedef enum {
77     EXT_DFL,      /* Default */
78     EXT_NEW,      /* New - value used in the same packet */
79     EXT_TMP       /* Temp - value used but not stored to register */
80 } VRegWriteType;
81 
82 #endif
83