[1987020] | 1 | -- |
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| 2 | -- RTEMS / Body |
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| 3 | -- |
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| 4 | -- DESCRIPTION: |
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| 5 | -- |
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| 6 | -- This package provides the interface to the RTEMS API. |
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| 7 | -- |
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| 8 | -- |
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| 9 | -- DEPENDENCIES: |
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| 10 | -- |
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| 11 | -- |
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| 12 | -- |
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| 13 | -- COPYRIGHT (c) 1997-2011. |
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| 14 | -- On-Line Applications Research Corporation (OAR). |
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| 15 | -- |
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| 16 | -- The license and distribution terms for this file may in |
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| 17 | -- the file LICENSE in this distribution or at |
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| 18 | -- http://www.rtems.com/license/LICENSE. |
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| 19 | -- |
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| 20 | -- $Id$ |
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| 21 | -- |
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| 22 | |
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| 23 | package body RTEMS.Region is |
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| 24 | |
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| 25 | -- |
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| 26 | -- Region Manager |
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| 27 | -- |
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| 28 | |
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| 29 | procedure Create |
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| 30 | (Name : in RTEMS.Name; |
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| 31 | Starting_Address : in RTEMS.Address; |
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| 32 | Length : in RTEMS.Unsigned32; |
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| 33 | Page_Size : in RTEMS.Unsigned32; |
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| 34 | Attribute_Set : in RTEMS.Attribute; |
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| 35 | ID : out RTEMS.ID; |
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| 36 | Result : out RTEMS.Status_Codes) |
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| 37 | is |
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| 38 | function Create_Base |
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| 39 | (Name : RTEMS.Name; |
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| 40 | Starting_Address : RTEMS.Address; |
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| 41 | Length : RTEMS.Unsigned32; |
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| 42 | Page_Size : RTEMS.Unsigned32; |
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| 43 | Attribute_Set : RTEMS.Attribute; |
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| 44 | ID : access RTEMS.ID) |
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| 45 | return RTEMS.Status_Codes; |
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| 46 | pragma Import (C, Create_Base, "rtems_region_create"); |
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| 47 | ID_Base : aliased RTEMS.ID; |
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| 48 | begin |
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| 49 | |
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| 50 | Result := |
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| 51 | Create_Base |
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| 52 | (Name, |
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| 53 | Starting_Address, |
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| 54 | Length, |
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| 55 | Page_Size, |
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| 56 | Attribute_Set, |
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| 57 | ID_Base'Access); |
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| 58 | ID := ID_Base; |
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| 59 | |
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| 60 | end Create; |
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| 61 | |
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| 62 | procedure Ident |
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| 63 | (Name : in RTEMS.Name; |
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| 64 | ID : out RTEMS.ID; |
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| 65 | Result : out RTEMS.Status_Codes) |
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| 66 | is |
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| 67 | function Ident_Base |
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| 68 | (Name : RTEMS.Name; |
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| 69 | ID : access RTEMS.ID) |
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| 70 | return RTEMS.Status_Codes; |
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| 71 | pragma Import (C, Ident_Base, "rtems_region_ident"); |
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| 72 | ID_Base : aliased RTEMS.ID; |
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| 73 | begin |
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| 74 | |
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| 75 | Result := Ident_Base (Name, ID_Base'Access); |
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| 76 | ID := ID_Base; |
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| 77 | |
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| 78 | end Ident; |
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| 79 | |
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| 80 | procedure Delete |
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| 81 | (ID : in RTEMS.ID; |
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| 82 | Result : out RTEMS.Status_Codes) |
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| 83 | is |
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| 84 | function Delete_Base (ID : RTEMS.ID) return RTEMS.Status_Codes; |
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| 85 | pragma Import (C, Delete_Base, "rtems_region_delete"); |
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| 86 | begin |
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| 87 | |
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| 88 | Result := Delete_Base (ID); |
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| 89 | |
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| 90 | end Delete; |
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| 91 | |
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| 92 | procedure Extend |
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| 93 | (ID : in RTEMS.ID; |
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| 94 | Starting_Address : in RTEMS.Address; |
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| 95 | Length : in RTEMS.Unsigned32; |
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| 96 | Result : out RTEMS.Status_Codes) |
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| 97 | is |
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| 98 | function Extend_Base |
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| 99 | (ID : RTEMS.ID; |
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| 100 | Starting_Address : RTEMS.Address; |
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| 101 | Length : RTEMS.Unsigned32) |
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| 102 | return RTEMS.Status_Codes; |
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| 103 | pragma Import (C, Extend_Base, "rtems_region_extend"); |
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| 104 | begin |
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| 105 | |
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| 106 | Result := Extend_Base (ID, Starting_Address, Length); |
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| 107 | |
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| 108 | end Extend; |
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| 109 | |
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| 110 | procedure Get_Segment |
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| 111 | (ID : in RTEMS.ID; |
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| 112 | Size : in RTEMS.Unsigned32; |
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| 113 | Option_Set : in RTEMS.Option; |
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| 114 | Timeout : in RTEMS.Interval; |
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| 115 | Segment : out RTEMS.Address; |
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| 116 | Result : out RTEMS.Status_Codes) |
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| 117 | is |
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| 118 | function Get_Segment_Base |
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| 119 | (ID : RTEMS.ID; |
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| 120 | Size : RTEMS.Unsigned32; |
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| 121 | Option_Set : RTEMS.Option; |
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| 122 | Timeout : RTEMS.Interval; |
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| 123 | Segment : access RTEMS.Address) |
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| 124 | return RTEMS.Status_Codes; |
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| 125 | pragma Import (C, Get_Segment_Base, "rtems_region_get_segment"); |
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| 126 | Segment_Base : aliased RTEMS.Address; |
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| 127 | begin |
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| 128 | |
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| 129 | Result := |
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| 130 | Get_Segment_Base |
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| 131 | (ID, |
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| 132 | Size, |
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| 133 | Option_Set, |
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| 134 | Timeout, |
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| 135 | Segment_Base'Access); |
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| 136 | Segment := Segment_Base; |
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| 137 | |
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| 138 | end Get_Segment; |
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| 139 | |
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| 140 | procedure Get_Segment_Size |
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| 141 | (ID : in RTEMS.ID; |
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| 142 | Segment : in RTEMS.Address; |
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| 143 | Size : out RTEMS.Unsigned32; |
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| 144 | Result : out RTEMS.Status_Codes) |
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| 145 | is |
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| 146 | function Get_Segment_Size_Base |
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| 147 | (ID : RTEMS.ID; |
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| 148 | Segment : RTEMS.Address; |
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| 149 | Size : access RTEMS.Unsigned32) |
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| 150 | return RTEMS.Status_Codes; |
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| 151 | pragma Import |
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| 152 | (C, |
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| 153 | Get_Segment_Size_Base, |
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| 154 | "rtems_region_get_segment_size"); |
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| 155 | Size_Base : aliased RTEMS.Unsigned32; |
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| 156 | begin |
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| 157 | |
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| 158 | Result := Get_Segment_Size_Base (ID, Segment, Size_Base'Access); |
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| 159 | Size := Size_Base; |
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| 160 | |
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| 161 | end Get_Segment_Size; |
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| 162 | |
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| 163 | procedure Return_Segment |
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| 164 | (ID : in RTEMS.ID; |
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| 165 | Segment : in RTEMS.Address; |
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| 166 | Result : out RTEMS.Status_Codes) |
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| 167 | is |
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| 168 | function Return_Segment_Base |
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| 169 | (ID : RTEMS.ID; |
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| 170 | Segment : RTEMS.Address) |
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| 171 | return RTEMS.Status_Codes; |
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| 172 | pragma Import |
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| 173 | (C, |
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| 174 | Return_Segment_Base, |
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| 175 | "rtems_region_return_segment"); |
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| 176 | begin |
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| 177 | |
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| 178 | Result := Return_Segment_Base (ID, Segment); |
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| 179 | |
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| 180 | end Return_Segment; |
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| 181 | |
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| 182 | procedure Resize_Segment |
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| 183 | (ID : in RTEMS.ID; |
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| 184 | Segment : in RTEMS.Address; |
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| 185 | Size : in RTEMS.Unsigned32; |
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| 186 | Old_Size : out RTEMS.Unsigned32; |
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| 187 | Result : out RTEMS.Status_Codes) |
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| 188 | is |
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| 189 | function Resize_Segment_Base |
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| 190 | (ID : RTEMS.ID; |
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| 191 | Segment : RTEMS.Address; |
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| 192 | Size : RTEMS.Unsigned32; |
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| 193 | Old_Size : access RTEMS.Unsigned32) |
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| 194 | return RTEMS.Status_Codes; |
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| 195 | pragma Import |
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| 196 | (C, |
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| 197 | Resize_Segment_Base, |
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| 198 | "rtems_region_resize_segment"); |
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| 199 | Old_Size_Base : aliased RTEMS.Unsigned32; |
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| 200 | begin |
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| 201 | |
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| 202 | Result := |
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| 203 | Resize_Segment_Base (ID, Segment, Size, Old_Size_Base'Access); |
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| 204 | Old_Size := Old_Size_Base; |
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| 205 | |
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| 206 | end Resize_Segment; |
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| 207 | |
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| 208 | end RTEMS.Region; |
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