xref: /openbmc/qemu/target/hexagon/mmvec/mmvec.h (revision c88da1f3dac9681b29a0d23016a7acbbc2c8c517)
1*a1559537STaylor Simpson /*
2*a1559537STaylor Simpson  *  Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved.
3*a1559537STaylor Simpson  *
4*a1559537STaylor Simpson  *  This program is free software; you can redistribute it and/or modify
5*a1559537STaylor Simpson  *  it under the terms of the GNU General Public License as published by
6*a1559537STaylor Simpson  *  the Free Software Foundation; either version 2 of the License, or
7*a1559537STaylor Simpson  *  (at your option) any later version.
8*a1559537STaylor Simpson  *
9*a1559537STaylor Simpson  *  This program is distributed in the hope that it will be useful,
10*a1559537STaylor Simpson  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
11*a1559537STaylor Simpson  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12*a1559537STaylor Simpson  *  GNU General Public License for more details.
13*a1559537STaylor Simpson  *
14*a1559537STaylor Simpson  *  You should have received a copy of the GNU General Public License
15*a1559537STaylor Simpson  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
16*a1559537STaylor Simpson  */
17*a1559537STaylor Simpson 
18*a1559537STaylor Simpson #ifndef HEXAGON_MMVEC_H
19*a1559537STaylor Simpson #define HEXAGON_MMVEC_H
20*a1559537STaylor Simpson 
21*a1559537STaylor Simpson #define MAX_VEC_SIZE_LOGBYTES 7
22*a1559537STaylor Simpson #define MAX_VEC_SIZE_BYTES  (1 << MAX_VEC_SIZE_LOGBYTES)
23*a1559537STaylor Simpson 
24*a1559537STaylor Simpson #define NUM_VREGS           32
25*a1559537STaylor Simpson #define NUM_QREGS           4
26*a1559537STaylor Simpson 
27*a1559537STaylor Simpson typedef uint32_t VRegMask; /* at least NUM_VREGS bits */
28*a1559537STaylor Simpson typedef uint32_t QRegMask; /* at least NUM_QREGS bits */
29*a1559537STaylor Simpson 
30*a1559537STaylor Simpson #define VECTOR_SIZE_BYTE    (fVECSIZE())
31*a1559537STaylor Simpson 
32*a1559537STaylor Simpson typedef union {
33*a1559537STaylor Simpson     uint64_t ud[MAX_VEC_SIZE_BYTES / 8];
34*a1559537STaylor Simpson     int64_t   d[MAX_VEC_SIZE_BYTES / 8];
35*a1559537STaylor Simpson     uint32_t uw[MAX_VEC_SIZE_BYTES / 4];
36*a1559537STaylor Simpson     int32_t   w[MAX_VEC_SIZE_BYTES / 4];
37*a1559537STaylor Simpson     uint16_t uh[MAX_VEC_SIZE_BYTES / 2];
38*a1559537STaylor Simpson     int16_t   h[MAX_VEC_SIZE_BYTES / 2];
39*a1559537STaylor Simpson     uint8_t  ub[MAX_VEC_SIZE_BYTES / 1];
40*a1559537STaylor Simpson     int8_t    b[MAX_VEC_SIZE_BYTES / 1];
41*a1559537STaylor Simpson } MMVector;
42*a1559537STaylor Simpson 
43*a1559537STaylor Simpson typedef union {
44*a1559537STaylor Simpson     uint64_t ud[2 * MAX_VEC_SIZE_BYTES / 8];
45*a1559537STaylor Simpson     int64_t   d[2 * MAX_VEC_SIZE_BYTES / 8];
46*a1559537STaylor Simpson     uint32_t uw[2 * MAX_VEC_SIZE_BYTES / 4];
47*a1559537STaylor Simpson     int32_t   w[2 * MAX_VEC_SIZE_BYTES / 4];
48*a1559537STaylor Simpson     uint16_t uh[2 * MAX_VEC_SIZE_BYTES / 2];
49*a1559537STaylor Simpson     int16_t   h[2 * MAX_VEC_SIZE_BYTES / 2];
50*a1559537STaylor Simpson     uint8_t  ub[2 * MAX_VEC_SIZE_BYTES / 1];
51*a1559537STaylor Simpson     int8_t    b[2 * MAX_VEC_SIZE_BYTES / 1];
52*a1559537STaylor Simpson     MMVector v[2];
53*a1559537STaylor Simpson } MMVectorPair;
54*a1559537STaylor Simpson 
55*a1559537STaylor Simpson typedef union {
56*a1559537STaylor Simpson     uint64_t ud[MAX_VEC_SIZE_BYTES / 8 / 8];
57*a1559537STaylor Simpson     int64_t   d[MAX_VEC_SIZE_BYTES / 8 / 8];
58*a1559537STaylor Simpson     uint32_t uw[MAX_VEC_SIZE_BYTES / 4 / 8];
59*a1559537STaylor Simpson     int32_t   w[MAX_VEC_SIZE_BYTES / 4 / 8];
60*a1559537STaylor Simpson     uint16_t uh[MAX_VEC_SIZE_BYTES / 2 / 8];
61*a1559537STaylor Simpson     int16_t   h[MAX_VEC_SIZE_BYTES / 2 / 8];
62*a1559537STaylor Simpson     uint8_t  ub[MAX_VEC_SIZE_BYTES / 1 / 8];
63*a1559537STaylor Simpson     int8_t    b[MAX_VEC_SIZE_BYTES / 1 / 8];
64*a1559537STaylor Simpson } MMQReg;
65*a1559537STaylor Simpson 
66*a1559537STaylor Simpson typedef struct {
67*a1559537STaylor Simpson     MMVector data;
68*a1559537STaylor Simpson     DECLARE_BITMAP(mask, MAX_VEC_SIZE_BYTES);
69*a1559537STaylor Simpson     target_ulong va[MAX_VEC_SIZE_BYTES];
70*a1559537STaylor Simpson     bool op;
71*a1559537STaylor Simpson     int op_size;
72*a1559537STaylor Simpson } VTCMStoreLog;
73*a1559537STaylor Simpson 
74*a1559537STaylor Simpson 
75*a1559537STaylor Simpson /* Types of vector register assignment */
76*a1559537STaylor Simpson typedef enum {
77*a1559537STaylor Simpson     EXT_DFL,      /* Default */
78*a1559537STaylor Simpson     EXT_NEW,      /* New - value used in the same packet */
79*a1559537STaylor Simpson     EXT_TMP       /* Temp - value used but not stored to register */
80*a1559537STaylor Simpson } VRegWriteType;
81*a1559537STaylor Simpson 
82*a1559537STaylor Simpson #endif
83