source: arduino-1-6-7/trunk/fuentes/arduino-ide-amd64/hardware/arduino/avr/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/UTILS/LIBS/NEWLIB_ADDONS/INCLUDE/nlao_io.h @ 46

Last change on this file since 46 was 46, checked in by jrpelegrina, 4 years ago

First release to Xenial

File size: 5.8 KB
Line 
1/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */
2
3/*This file is prepared for Doxygen automatic documentation generation.*/
4/*! \file *********************************************************************
5 *
6 * \brief NEWLIB_ADDONS miscellaneous macros include file for AVR32.
7 *
8 * - Compiler:           GNU GCC for AVR32
9 * - Supported devices:  All AVR32 devices can be used.
10 * - AppNote:
11 *
12 * \author               Atmel Corporation: http://www.atmel.com \n
13 *                       Support and FAQ: http://support.atmel.no/
14 *
15 ******************************************************************************/
16
17/* Copyright (c) 2009 Atmel Corporation. All rights reserved.
18 *
19 * Redistribution and use in source and binary forms, with or without
20 * modification, are permitted provided that the following conditions are met:
21 *
22 * 1. Redistributions of source code must retain the above copyright notice, this
23 * list of conditions and the following disclaimer.
24 *
25 * 2. Redistributions in binary form must reproduce the above copyright notice,
26 * this list of conditions and the following disclaimer in the documentation
27 * and/or other materials provided with the distribution.
28 *
29 * 3. The name of Atmel may not be used to endorse or promote products derived
30 * from this software without specific prior written permission.
31 *
32 * 4. This software may only be redistributed and used in connection with an Atmel
33 * AVR product.
34 *
35 * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
36 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
37 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
38 * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
39 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
40 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
41 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
42 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
43 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
44 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
45 *
46 */
47
48#ifndef __AVR32_NEWLIB_ADDONS_IO_H__
49#define __AVR32_NEWLIB_ADDONS_IO_H__
50
51#include <_ansi.h>
52
53_BEGIN_STD_C
54
55typedef char u8;
56typedef unsigned int u32;
57
58#define __raw_writeb(v,a)       (*(volatile unsigned char  *)(a) = (v))
59#define __raw_writew(v,a)       (*(volatile unsigned short *)(a) = (v))
60#define __raw_writel(v,a)       (*(volatile unsigned int   *)(a) = (v))
61
62#define __raw_readb(a)          (*(volatile unsigned char  *)(a))
63#define __raw_readw(a)          (*(volatile unsigned short *)(a))
64#define __raw_readl(a)          (*(volatile unsigned int   *)(a))
65
66/* As long as I/O is only performed in P4 (or possibly P3), we're safe */
67#define writeb(v,a)             __raw_writeb(v,a)
68#define writew(v,a)             __raw_writew(v,a)
69#define writel(v,a)             __raw_writel(v,a)
70
71#define readb(a)                __raw_readb(a)
72#define readw(a)                __raw_readw(a)
73#define readl(a)                __raw_readl(a)
74
75/* Memory segments when segmentation is enabled */
76#define P0SEG           0x00000000
77#define P1SEG           0x80000000
78#define P2SEG           0xa0000000
79#define P3SEG           0xc0000000
80#define P4SEG           0xe0000000
81
82/* Returns the privileged segment base of a given address */
83#define PXSEG(a)        (((unsigned long)(a)) & 0xe0000000)
84
85/* Returns the physical address of a PnSEG (n=1,2) address */
86#define PHYSADDR(a)     (((unsigned long)(a)) & 0x1fffffff)
87
88/*
89 * Map an address to a certain privileged segment
90 */
91#define P1SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P1SEG))
92#define P2SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P2SEG))
93#define P3SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P3SEG))
94#define P4SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P4SEG))
95
96
97#define cached(addr) P1SEGADDR(addr)
98#define uncached(addr) P2SEGADDR(addr)
99#define physaddr(addr) PHYSADDR(addr)
100
101#define BF(field, value) \
102  ({ union { \
103      struct { \
104       unsigned           : 32 - field ##  _OFFSET -  field ##  _SIZE ; \
105       unsigned long __val: field ##  _SIZE ; \
106      }; \
107      unsigned long __ul; \
108     } __tmp; \
109     __tmp.__ul = 0; \
110     __tmp.__val = value; \
111     __tmp.__ul;})
112
113#define BF_D(field, value) \
114  ({ union { \
115      struct { \
116       unsigned long long : 64 - field ##  _OFFSET -  field ##  _SIZE ; \
117       unsigned long long __val: field ##  _SIZE ; \
118      }; \
119      unsigned long long __ul; \
120     } __tmp; \
121     __tmp.__ul = 0; \
122     __tmp.__val = value; \
123     __tmp.__ul;})
124
125#define BFINS(var, field, value) \
126  { union {\
127      struct { \
128       unsigned           : 32 - field ##  _OFFSET -  field ##  _SIZE ; \
129       unsigned long __val: field ##  _SIZE ; \
130      }; \
131      unsigned long __ul; \
132     } __tmp; \
133     __tmp.__ul = var; \
134     __tmp.__val = value; \
135     var = __tmp.__ul;}
136
137#define BFEXT(var, field) \
138  ({ union {\
139      struct { \
140       unsigned           : 32 - field ##  _OFFSET -  field ##  _SIZE ; \
141       unsigned long __val: field ##  _SIZE ; \
142      }; \
143      unsigned long __ul; \
144     } __tmp; \
145     __tmp.__ul = var; \
146     __tmp.__val; })
147
148#define BFINS_D(var, field, value) \
149  { union {\
150      struct { \
151       unsigned long long : 64 - field ##  _OFFSET -  field ##  _SIZE ; \
152       unsigned long long __val: field ##  _SIZE ; \
153      }; \
154      unsigned long long __ul; \
155     } __tmp; \
156     __tmp.__ul = var; \
157     __tmp.__val = value; \
158     var = __tmp.__ul;}
159
160#define BFEXT_D(var, field) \
161  ({ union {\
162      struct { \
163       unsigned long long : 64 - field ##  _OFFSET -  field ##  _SIZE ; \
164       unsigned long long __val: field ##  _SIZE ; \
165      }; \
166      unsigned long long __ul; \
167     } __tmp; \
168     __tmp.__ul = var; \
169     __tmp.__val; })
170
171
172_END_STD_C
173
174#endif
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