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annotate packages/hal/powerpc/sim/current/include/hal_diag.h @ 66:bf00f99aec69 ecos-sw-2000-02-02

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Merge from eCos master repository on 2000-02-02-19:16:44-GMT
author jlarmour
date Wed, 02 Feb 2000 19:57:02 +0000
parents c38311975d4f
children 435cced73e2f
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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 //####COPYRIGHTBEGIN####
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12 //
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13 // -------------------------------------------
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14 // The contents of this file are subject to the Red Hat eCos Public License
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15 // Version 1.1 (the "License"); you may not use this file except in
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16 // compliance with the License. You may obtain a copy of the License at
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17 // http://www.redhat.com/
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18 //
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19 // Software distributed under the License is distributed on an "AS IS"
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20 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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21 // License for the specific language governing rights and limitations under
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22 // the License.
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23 //
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24 // The Original Code is eCos - Embedded Configurable Operating System,
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25 // released September 30, 1998.
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26 //
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27 // The Initial Developer of the Original Code is Red Hat.
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28 // Portions created by Red Hat are
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29 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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30 // All Rights Reserved.
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31 // -------------------------------------------
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32 //
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33 //####COPYRIGHTEND####
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34 //=============================================================================
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35 //#####DESCRIPTIONBEGIN####
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36 //
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37 // Author(s): nickg
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38 // Contributors: nickg
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39 // Date: 1999-03-23
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40 // Purpose: HAL Support for Kernel Diagnostic Routines
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41 // Description: Diagnostic routines for use during kernel development.
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42 // Usage: #include <cyg/hal/hal_diag.h>
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43 //
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44 //####DESCRIPTIONEND####
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45 //
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46 //=============================================================================
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47
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48 #include <pkgconf/hal.h>
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49
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50 #include <cyg/infra/cyg_type.h>
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51 #include <cyg/hal/hal_intr.h> // HAL_DISABLE/RESTORE_INTERRUPTS macros
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52
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53 //-----------------------------------------------------------------------------
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54 // Register addresses
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55
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56 #define PAL_RESET 0x00
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57 #define PAL_CPU_NR 0x04
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58 #define PAL_INT 0x08
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59 #define PAL_NR_CPU 0x0a
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60
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61 #define PAL_READ_FIFO 0x10
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62 #define PAL_READ_STATUS 0x14
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63 #define PAL_WRITE_FIFO 0x18
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64 #define PAL_WRITE_STATUS 0x1a
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65
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66 #define OEA_DEV 0xf0001000
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67
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68 //-----------------------------------------------------------------------------
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69
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70 #define HAL_DIAG_INIT()
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71
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72 #define HAL_DIAG_WRITE_CHAR(_c_) \
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73 CYG_MACRO_START \
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74 volatile unsigned char *tty_buffer = \
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75 (unsigned char*)(OEA_DEV + PAL_WRITE_FIFO); \
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76 volatile unsigned char *tty_status = \
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77 (unsigned char*)(OEA_DEV + PAL_WRITE_STATUS); \
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78 unsigned long __state; \
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79 \
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80 HAL_DISABLE_INTERRUPTS(__state) \
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81 if( _c_ != '\r' ) \
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82 { \
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83 while( *tty_status == 0 ) continue; \
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84 *tty_buffer = _c_; \
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85 } \
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86 HAL_RESTORE_INTERRUPTS(__state); \
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87 CYG_MACRO_END
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88
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89 #define HAL_DIAG_READ_CHAR(_c_) \
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90 CYG_MACRO_START \
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91 volatile unsigned char *tty_buffer = \
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92 (unsigned char*)(OEA_DEV + PAL_READ_FIFO); \
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93 volatile unsigned char *tty_status = \
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94 (unsigned char*)(OEA_DEV + PAL_READ_STATUS); \
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95 while( *tty_status == 0 ) continue; \
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96 _c_ = *tty_buffer; \
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97 CYG_MACRO_END
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98
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99 //-----------------------------------------------------------------------------
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100 // end of hal_diag.h
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101 #endif // CYGONCE_HAL_HAL_DIAG_H