1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
/* maverick.h -- Cirrus/DSP co-processor interface header
Copyright (C) 2003-2024 Free Software Foundation, Inc.
Contributed by Aldy Hernandez (aldyh@redhat.com).
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* Define Co-Processor instruction handlers here. */
/* Here's ARMulator's DSP definition. A few things to note:
1) it has 16 64-bit registers and 4 72-bit accumulators
2) you can only access its registers with MCR and MRC. */
struct maverick_regs
{
union
{
int i;
float f;
} upper;
union
{
int i;
float f;
} lower;
};
union maverick_acc_regs
{
long double ld; /* Acc registers are 72-bits. */
};
extern struct maverick_regs DSPregs[16];
extern union maverick_acc_regs DSPacc[4];
extern ARMword DSPsc;
|
