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annotate packages/hal/common/current/include/hal_tables.h @ 117:bd1a71e3e476 ecos-sw-2000-08-25

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Merge from eCos master repository on 2000-08-25-19:22:58-BST
author jlarmour
date Fri, 25 Aug 2000 19:17:22 +0000
parents 6ed91473a1cd
children 6bd9d475ed4b
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1 #ifndef CYGONCE_HAL_TABLES_H
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2 #define CYGONCE_HAL_TABLES_H
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3
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4 /*==========================================================================
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5 //
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6 // hal_tables.h
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7 //
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8 // Data table management
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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 // Date: 1999-02-24
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39 // Purpose: Driver API
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40 // Description: This file defines the API used by device drivers to access
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41 // system services. When the kernel is present it maps directly
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42 // to the Kernel C API. When the kernel is absent, it is provided
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43 // by a set of HAL functions.
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44 //
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45 // Usage: #include <cyg/kernel/kapi.h>
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46 //
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47 //####DESCRIPTIONEND####
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48 //
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49 //========================================================================*/
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50
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51 #include <pkgconf/hal.h>
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52 #include <cyg/infra/cyg_type.h>
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53
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54 #include <cyg/hal/hal_arch.h>
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55
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56 /*------------------------------------------------------------------------*/
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57
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58 #define __string(_x) #_x
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59 #define __xstring(_x) __string(_x)
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60
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61 #ifndef CYG_HAL_TABLE_BEGIN
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62 #define CYG_HAL_TABLE_BEGIN( _label, _name ) \
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63 __asm__(".section \"" __string(.ecos.table.##_name##.begin) "\",\"aw\"\n" \
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64 ".globl " __xstring(CYG_LABEL_DEFN(_label)) "\n" \
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65 ".type " __xstring(CYG_LABEL_DEFN(_label)) ",@object\n" \
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66 ".p2align 2\n" \
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67 __xstring(CYG_LABEL_DEFN(_label)) ":\n" \
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68 ".previous\n" \
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69 )
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70 #endif
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71
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72 #ifndef CYG_HAL_TABLE_END
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73 #define CYG_HAL_TABLE_END( _label, _name ) \
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74 __asm__(".section \"" __string(.ecos.table.##_name##.finish) "\",\"aw\"\n" \
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75 ".globl " __xstring(CYG_LABEL_DEFN(_label)) "\n" \
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76 ".type " __xstring(CYG_LABEL_DEFN(_label)) ",@object\n" \
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77 ".p2align 2\n" \
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78 __xstring(CYG_LABEL_DEFN(_label)) ":\n" \
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79 ".previous\n" \
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80 )
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81 #endif
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82
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83 #ifndef CYG_HAL_TABLE_EXTRA
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84 #define CYG_HAL_TABLE_EXTRA( _name ) \
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85 CYGBLD_ATTRIB_SECTION(.ecos.table.##_name##.extra)
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86 #endif
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87
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88 #ifndef CYG_HAL_TABLE_ENTRY
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89 #define CYG_HAL_TABLE_ENTRY( _name ) \
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90 CYGBLD_ATTRIB_SECTION(.ecos.table.##_name##.data)
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91 #endif
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92
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93 #ifndef CYG_HAL_TABLE_QUALIFIED_ENTRY
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94 #define CYG_HAL_TABLE_QUALIFIED_ENTRY( _name, _qual ) \
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95 CYGBLD_ATTRIB_SECTION(.ecos.table.##_name##.data.##_qual)
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96 #endif
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97
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98 /*------------------------------------------------------------------------*/
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99 /* EOF hal_tables.h */
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100 #endif // CYGONCE_HAL_TABLES_H