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1da177e4 LT |
1 | /* |
2 | * Linux/PA-RISC Project (http://www.parisc-linux.org/) | |
3 | * | |
4 | * Floating-point emulation code | |
5 | * Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2, or (at your option) | |
10 | * any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | */ | |
21 | /* | |
22 | * BEGIN_DESC | |
23 | * | |
24 | * File: | |
25 | * @(#) pa/fp/fpu.h $Revision: 1.1 $ | |
26 | * | |
27 | * Purpose: | |
28 | * <<please update with a synopis of the functionality provided by this file>> | |
29 | * | |
30 | * | |
31 | * END_DESC | |
32 | */ | |
33 | ||
34 | #ifdef __NO_PA_HDRS | |
35 | PA header file -- do not include this header file for non-PA builds. | |
36 | #endif | |
37 | ||
38 | ||
39 | #ifndef _MACHINE_FPU_INCLUDED /* allows multiple inclusion */ | |
40 | #define _MACHINE_FPU_INCLUDED | |
41 | ||
42 | #if 0 | |
43 | #ifndef _SYS_STDSYMS_INCLUDED | |
44 | # include <sys/stdsyms.h> | |
45 | #endif /* _SYS_STDSYMS_INCLUDED */ | |
46 | #include <machine/pdc/pdc_rqsts.h> | |
47 | #endif | |
48 | ||
49 | #define PA83_FPU_FLAG 0x00000001 | |
50 | #define PA89_FPU_FLAG 0x00000002 | |
51 | #define PA2_0_FPU_FLAG 0x00000010 | |
52 | ||
53 | #define TIMEX_EXTEN_FLAG 0x00000004 | |
54 | ||
55 | #define ROLEX_EXTEN_FLAG 0x00000008 | |
56 | #define COPR_FP 0x00000080 /* Floating point -- Coprocessor 0 */ | |
57 | #define SFU_MPY_DIVIDE 0x00008000 /* Multiply/Divide __ SFU 0 */ | |
58 | ||
59 | ||
60 | #define EM_FPU_TYPE_OFFSET 272 | |
61 | ||
62 | /* version of EMULATION software for COPR,0,0 instruction */ | |
63 | #define EMULATION_VERSION 4 | |
64 | ||
65 | /* | |
66 | * The only was to differeniate between TIMEX and ROLEX (or PCX-S and PCX-T) | |
67 | * is thorough the potential type field from the PDC_MODEL call. The | |
68 | * following flags are used at assist this differeniation. | |
69 | */ | |
70 | ||
71 | #define ROLEX_POTENTIAL_KEY_FLAGS PDC_MODEL_CPU_KEY_WORD_TO_IO | |
72 | #define TIMEX_POTENTIAL_KEY_FLAGS (PDC_MODEL_CPU_KEY_QUAD_STORE | \ | |
73 | PDC_MODEL_CPU_KEY_RECIP_SQRT) | |
74 | ||
75 | ||
76 | #endif /* ! _MACHINE_FPU_INCLUDED */ |