blob: dec951d40286fda29c799ce104aedc0aee96c20d (
plain)
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
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Linux/PA-RISC Project (http://www.parisc-linux.org/)
*
* Floating-point emulation code
* Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org>
*/
#ifndef _MACHINE_FPU_INCLUDED /* allows multiple inclusion */
#define _MACHINE_FPU_INCLUDED
#define PA83_FPU_FLAG 0x00000001
#define PA89_FPU_FLAG 0x00000002
#define PA2_0_FPU_FLAG 0x00000010
#define TIMEX_EXTEN_FLAG 0x00000004
#define ROLEX_EXTEN_FLAG 0x00000008
#define COPR_FP 0x00000080 /* Floating point -- Coprocessor 0 */
#define SFU_MPY_DIVIDE 0x00008000 /* Multiply/Divide __ SFU 0 */
#define EM_FPU_TYPE_OFFSET 272
/* version of EMULATION software for COPR,0,0 instruction */
#define EMULATION_VERSION 4
/*
* The only way to differentiate between TIMEX and ROLEX (or PCX-S and PCX-T)
* is through the potential type field from the PDC_MODEL call.
* The following flags are used to assist this differentiation.
*/
#define ROLEX_POTENTIAL_KEY_FLAGS PDC_MODEL_CPU_KEY_WORD_TO_IO
#define TIMEX_POTENTIAL_KEY_FLAGS (PDC_MODEL_CPU_KEY_QUAD_STORE | \
PDC_MODEL_CPU_KEY_RECIP_SQRT)
#endif /* ! _MACHINE_FPU_INCLUDED */
|
