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* Added execute permissions to files missed in conversion from CVS
author alexs
date Mon, 12 Oct 2009 02:26:09 +0100
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1 #ifndef CYGONCE_HAL_HAL_DIAG_H
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2 #define CYGONCE_HAL_HAL_DIAG_H
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3
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4 //=============================================================================
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5 //
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6 // hal_diag.h
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7 //
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8 // HAL Support for Kernel Diagnostic Routines
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9 //
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10 //=============================================================================
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11 //####ECOSGPLCOPYRIGHTBEGIN####
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12 // -------------------------------------------
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13 // This file is part of eCos, the Embedded Configurable Operating System.
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14 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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15 //
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16 // eCos is free software; you can redistribute it and/or modify it under
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17 // the terms of the GNU General Public License as published by the Free
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18 // Software Foundation; either version 2 or (at your option) any later version.
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19 //
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20 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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21 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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22 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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23 // for more details.
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24 //
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25 // You should have received a copy of the GNU General Public License along
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26 // with eCos; if not, write to the Free Software Foundation, Inc.,
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27 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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28 //
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29 // As a special exception, if other files instantiate templates or use macros
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30 // or inline functions from this file, or you compile this file and link it
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31 // with other works to produce a work based on this file, this file does not
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32 // by itself cause the resulting work to be covered by the GNU General Public
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33 // License. However the source code for this file must still be made available
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34 // in accordance with section (3) of the GNU General Public License.
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35 //
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36 // This exception does not invalidate any other reasons why a work based on
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37 // this file might be covered by the GNU General Public License.
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38 //
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39 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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40 // at http://sources.redhat.com/ecos/ecos-license/
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41 // -------------------------------------------
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42 //####ECOSGPLCOPYRIGHTEND####
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43 //=============================================================================
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44 //#####DESCRIPTIONBEGIN####
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45 //
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46 // Author(s): nickg
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47 // Contributors: nickg
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48 // Date: 1999-03-23
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49 // Purpose: HAL Support for Kernel Diagnostic Routines
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50 // Description: Diagnostic routines for use during kernel development.
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51 // Usage: #include <cyg/hal/hal_diag.h>
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52 //
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53 //####DESCRIPTIONEND####
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54 //
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55 //=============================================================================
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56
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57 #include <pkgconf/hal.h>
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58
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59 #include <cyg/infra/cyg_type.h>
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60 #include <cyg/hal/hal_intr.h> // HAL_DISABLE/RESTORE_INTERRUPTS macros
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61
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62 //-----------------------------------------------------------------------------
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63 // Register addresses
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64
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65 #define PAL_RESET 0x00
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66 #define PAL_CPU_NR 0x04
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67 #define PAL_INT 0x08
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68 #define PAL_NR_CPU 0x0a
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69
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70 #define PAL_READ_FIFO 0x10
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71 #define PAL_READ_STATUS 0x14
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72 #define PAL_WRITE_FIFO 0x18
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73 #define PAL_WRITE_STATUS 0x1a
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74
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75 #define OEA_DEV 0xf0001000
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76
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77 //-----------------------------------------------------------------------------
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78
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79 #define HAL_DIAG_INIT()
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80
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81 #define HAL_DIAG_WRITE_CHAR(_c_) \
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82 CYG_MACRO_START \
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83 volatile unsigned char *tty_buffer = \
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84 (unsigned char*)(OEA_DEV + PAL_WRITE_FIFO); \
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85 volatile unsigned char *tty_status = \
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86 (unsigned char*)(OEA_DEV + PAL_WRITE_STATUS); \
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87 unsigned long __state; \
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88 \
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89 HAL_DISABLE_INTERRUPTS(__state); \
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90 if( _c_ != '\r' ) \
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91 { \
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92 while( *tty_status == 0 ) continue; \
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93 *tty_buffer = _c_; \
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94 } \
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95 HAL_RESTORE_INTERRUPTS(__state); \
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96 CYG_MACRO_END
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97
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98 #define HAL_DIAG_READ_CHAR(_c_) \
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99 CYG_MACRO_START \
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100 volatile unsigned char *tty_buffer = \
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101 (unsigned char*)(OEA_DEV + PAL_READ_FIFO); \
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102 volatile unsigned char *tty_status = \
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103 (unsigned char*)(OEA_DEV + PAL_READ_STATUS); \
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104 while( *tty_status == 0 ) continue; \
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105 _c_ = *tty_buffer; \
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106 CYG_MACRO_END
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107
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108 //-----------------------------------------------------------------------------
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109 // end of hal_diag.h
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110 #endif // CYGONCE_HAL_HAL_DIAG_H