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annotate packages/hal/powerpc/fads/current/src/hal_diag.c @ 76:435cced73e2f ecos-v1_3_1-release

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eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
author jlarmour
date Tue, 28 Mar 2000 14:10:45 +0000
parents bf00f99aec69
children c37d3a9e1b28
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1 //=============================================================================
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2 //
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3 // hal_diag.c
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4 //
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5 // HAL diagnostic output code
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6 //
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7 //=============================================================================
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8 //####UNSUPPORTEDBEGIN####
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9 //
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10 // -------------------------------------------
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11 // This source file has been contributed to eCos/Red Hat. It may have been
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12 // changed slightly to provide an interface consistent with those of other
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13 // files.
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14 //
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15 // The functionality and contents of this file is supplied "AS IS"
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16 // without any form of support and will not necessarily be kept up
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17 // to date by Red Hat.
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18 //
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19 // All inquiries about this file, or the functionality provided by it,
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20 // should be directed to the 'ecos-discuss' mailing list (see
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21 // http://sourceware.cygnus.com/ecos/intouch.html for details).
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22 //
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23 // Contributed by: Kevin Hester <khester@opticworks.com>
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24 // Maintained by: <Unmaintained>
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25 // -------------------------------------------
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26 //
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27 //####UNSUPPORTEDEND####
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28 //=============================================================================
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29 //####COPYRIGHTBEGIN####
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30 //
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31 // -------------------------------------------
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32 // The contents of this file are subject to the Red Hat eCos Public License
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33 // Version 1.1 (the "License"); you may not use this file except in
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34 // compliance with the License. You may obtain a copy of the License at
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35 // http://www.redhat.com/
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36 //
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37 // Software distributed under the License is distributed on an "AS IS"
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38 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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39 // License for the specific language governing rights and limitations under
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40 // the License.
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41 //
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42 // The Original Code is eCos - Embedded Configurable Operating System,
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43 // released September 30, 1998.
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44 //
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45 // The Initial Developer of the Original Code is Red Hat.
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46 // Portions created by Red Hat are
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47 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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48 // All Rights Reserved.
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49 // -------------------------------------------
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50 //
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51 //####COPYRIGHTEND####
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52 //=============================================================================
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53 //#####DESCRIPTIONBEGIN####
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54 //
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55 // Author(s): nickg, jskov
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56 // Contributors:nickg
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57 // Date: 1998-03-02
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58 // Purpose: HAL diagnostic output
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59 // Description: Implementations of HAL diagnostic output support.
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60 //
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61 //####DESCRIPTIONEND####
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62 //
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63 //=============================================================================
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64
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65 #include <pkgconf/hal.h>
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67 #include <cyg/infra/cyg_type.h> // base types
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68 #include <cyg/infra/cyg_trac.h> // tracing macros
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69 #include <cyg/infra/cyg_ass.h> // assertion macros
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70
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71 #include <cyg/hal/hal_io.h> // IO macros
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72 #include <cyg/hal/hal_diag.h>
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73 #include <cyg/hal/hal_intr.h> // Interrupt macros
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74
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75 #if defined(CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS)
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76 #include <cyg/hal/hal_stub.h> // hal_output_gdb_string
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77 #endif
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79 #include <cyg/hal/ppc_regs.h>
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80 #include <cyg/hal/quicc_smc2.h>
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81
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82 //-----------------------------------------------------------------------------
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83 // Select default diag channel to use
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84
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85 //#define CYG_KERNEL_DIAG_ROMART
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86 //#define CYG_KERNEL_DIAG_SERIAL
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87
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88 #if !defined(CYG_KERNEL_DIAG_SERIAL)
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89 #define CYG_KERNEL_DIAG_SERIAL
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90 #endif
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91
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92 //-----------------------------------------------------------------------------
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93 // Fads board specific serial
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94
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95 #if defined(CYG_KERNEL_DIAG_SERIAL)
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96
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97 void hal_diag_init(void)
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98 {
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99 #if !defined(CYGDBG_KERNEL_DEBUG_GDB_INCLUDE_STUBS)
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100 // init the actual serial port
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101 cyg_smc2_init(9600);
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102 #endif
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103 }
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104
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105 void hal_diag_write_char(char c)
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106 {
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107 #if !defined(CYGDBG_KERNEL_DEBUG_GDB_INCLUDE_STUBS)
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108 unsigned long __state;
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109 HAL_DISABLE_INTERRUPTS(__state);
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110 cyg_smc2_putchar(c);
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111 HAL_RESTORE_INTERRUPTS(__state);
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112 #else
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113 hal_output_gdb_string (&c, 1);
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114 #endif
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115 }
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116
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117 void hal_diag_read_char(char *c)
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118 {
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119 *c = cyg_smc2_getchar();
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120 }
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121 #endif
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