The Android Open Source Project | 7f81d9b | 2009-03-03 19:30:08 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2008 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | /* ---- includes ----------------------------------------------------------- */ |
| 18 | |
| 19 | #include "b_BasicEm/Functions.h" |
| 20 | #include "b_BasicEm/Context.h" |
| 21 | |
| 22 | /* ---- related objects --------------------------------------------------- */ |
| 23 | |
| 24 | /* ---- typedefs ----------------------------------------------------------- */ |
| 25 | |
| 26 | /* ---- constants ---------------------------------------------------------- */ |
| 27 | |
| 28 | /* ---- globals ---------------------------------------------------------- */ |
| 29 | |
| 30 | /* ------------------------------------------------------------------------- */ |
| 31 | |
| 32 | /* ========================================================================= */ |
| 33 | /* */ |
| 34 | /* ---- \ghd{ external functions } ----------------------------------------- */ |
| 35 | /* */ |
| 36 | /* ========================================================================= */ |
| 37 | |
| 38 | /* ------------------------------------------------------------------------- */ |
| 39 | |
| 40 | uint16 bbs_swapBytes( uint16 valA ) |
| 41 | { |
| 42 | return ( ( valA >> 8 ) & 0x00FF ) | ( ( valA << 8 ) & 0xFF00 ); |
| 43 | } |
| 44 | |
| 45 | /* ------------------------------------------------------------------------- */ |
| 46 | |
| 47 | uint32 bbs_memWrite32( const void* ptrA, |
| 48 | uint16* memPtrA ) |
| 49 | { |
| 50 | uint32 valL = *( uint32* )ptrA; |
| 51 | |
| 52 | #ifdef HW_BIG_ENDIAN |
| 53 | *memPtrA++ = bbs_swapBytes( ( uint16 )( ( valL >> 0 ) & 0xFFFF ) ); |
| 54 | *memPtrA++ = bbs_swapBytes( ( uint16 )( ( valL >> 16 ) & 0xFFFF ) ); |
| 55 | #else |
| 56 | *memPtrA++ = ( valL >> 0 ) & 0xFFFF; |
| 57 | *memPtrA++ = ( valL >> 16 ) & 0xFFFF; |
| 58 | #endif |
| 59 | |
| 60 | |
| 61 | return bbs_SIZEOF16( uint32 ); |
| 62 | } |
| 63 | |
| 64 | /* ------------------------------------------------------------------------- */ |
| 65 | |
| 66 | uint32 bbs_memRead32( void* ptrA, |
| 67 | const uint16* memPtrA ) |
| 68 | { |
| 69 | uint32 valL = 0; |
| 70 | |
| 71 | #ifdef HW_BIG_ENDIAN |
| 72 | valL |= ( ( uint32 )bbs_swapBytes( *memPtrA++ ) << 0 ); |
| 73 | valL |= ( ( uint32 )bbs_swapBytes( *memPtrA++ ) << 16 ); |
| 74 | #else |
| 75 | valL |= ( ( uint32 )*memPtrA++ << 0 ); |
| 76 | valL |= ( ( uint32 )*memPtrA++ << 16 ); |
| 77 | #endif |
| 78 | |
| 79 | *( uint32* )ptrA = valL; |
| 80 | |
| 81 | return bbs_SIZEOF16( uint32 ); |
| 82 | } |
| 83 | |
| 84 | /* ------------------------------------------------------------------------- */ |
| 85 | |
| 86 | uint32 bbs_memPeek32( const uint16* memPtrA ) |
| 87 | { |
| 88 | uint32 valL = 0; |
| 89 | |
| 90 | #ifdef HW_BIG_ENDIAN |
| 91 | valL |= ( ( uint32 )bbs_swapBytes( *memPtrA++ ) << 0 ); |
| 92 | valL |= ( ( uint32 )bbs_swapBytes( *memPtrA++ ) << 16 ); |
| 93 | #else |
| 94 | valL |= ( ( uint32 )*memPtrA++ << 0 ); |
| 95 | valL |= ( ( uint32 )*memPtrA++ << 16 ); |
| 96 | #endif |
| 97 | |
| 98 | return valL; |
| 99 | } |
| 100 | |
| 101 | /* ------------------------------------------------------------------------- */ |
| 102 | |
| 103 | uint32 bbs_memWrite16( const void* ptrA, |
| 104 | uint16* memPtrA ) |
| 105 | { |
| 106 | #ifdef HW_BIG_ENDIAN |
| 107 | *memPtrA++ = bbs_swapBytes( *( uint16* )ptrA ); |
| 108 | #else |
| 109 | *memPtrA++ = *( uint16* )ptrA; |
| 110 | #endif |
| 111 | return bbs_SIZEOF16( uint16 ); |
| 112 | } |
| 113 | |
| 114 | /* ------------------------------------------------------------------------- */ |
| 115 | |
| 116 | uint32 bbs_memRead16( void* ptrA, |
| 117 | const uint16* memPtrA ) |
| 118 | { |
| 119 | #ifdef HW_BIG_ENDIAN |
| 120 | *( uint16* )ptrA = bbs_swapBytes( *memPtrA++ ); |
| 121 | #else |
| 122 | *( uint16* )ptrA = *memPtrA++; |
| 123 | #endif |
| 124 | |
| 125 | return bbs_SIZEOF16( uint16 ); |
| 126 | } |
| 127 | |
| 128 | /* ------------------------------------------------------------------------- */ |
| 129 | |
| 130 | uint32 bbs_memWrite32Arr( struct bbs_Context* cpA, |
| 131 | const void* ptrA, |
| 132 | uint32 sizeA, uint16* memPtrA ) |
| 133 | { |
| 134 | uint32 iL; |
| 135 | const uint32* srcL = ( uint32* )ptrA; |
| 136 | |
| 137 | if( bbs_Context_error( cpA ) ) return 0; |
| 138 | |
| 139 | for( iL = 0; iL < sizeA; iL++ ) |
| 140 | { |
| 141 | memPtrA += bbs_memWrite32( srcL++, memPtrA ); |
| 142 | } |
| 143 | |
| 144 | return sizeA * bbs_SIZEOF16( uint32 ); |
| 145 | } |
| 146 | |
| 147 | /* ------------------------------------------------------------------------- */ |
| 148 | |
| 149 | uint32 bbs_memRead32Arr( struct bbs_Context* cpA, |
| 150 | void* ptrA, |
| 151 | uint32 sizeA, |
| 152 | const uint16* memPtrA ) |
| 153 | { |
| 154 | uint32 iL; |
| 155 | uint32* dstL = ( uint32* )ptrA; |
| 156 | |
| 157 | if( bbs_Context_error( cpA ) ) return 0; |
| 158 | |
| 159 | for( iL = 0; iL < sizeA; iL++ ) |
| 160 | { |
| 161 | memPtrA += bbs_memRead32( dstL++, memPtrA ); |
| 162 | } |
| 163 | |
| 164 | return sizeA * bbs_SIZEOF16( uint32 ); |
| 165 | } |
| 166 | |
| 167 | /* ------------------------------------------------------------------------- */ |
| 168 | |
| 169 | uint32 bbs_memWrite16Arr( struct bbs_Context* cpA, |
| 170 | const void* ptrA, |
| 171 | uint32 sizeA, |
| 172 | uint16* memPtrA ) |
| 173 | { |
| 174 | uint32 iL; |
| 175 | const uint16* srcL = ( uint16* )ptrA; |
| 176 | |
| 177 | if( bbs_Context_error( cpA ) ) return 0; |
| 178 | |
| 179 | for( iL = 0; iL < sizeA; iL++ ) |
| 180 | { |
| 181 | memPtrA += bbs_memWrite16( srcL++, memPtrA ); |
| 182 | } |
| 183 | |
| 184 | return sizeA * bbs_SIZEOF16( uint16 ); |
| 185 | } |
| 186 | |
| 187 | /* ------------------------------------------------------------------------- */ |
| 188 | |
| 189 | uint32 bbs_memRead16Arr( struct bbs_Context* cpA, |
| 190 | void* ptrA, |
| 191 | uint32 sizeA, |
| 192 | const uint16* memPtrA ) |
| 193 | { |
| 194 | uint32 iL; |
| 195 | uint16* dstL = ( uint16* )ptrA; |
| 196 | |
| 197 | if( bbs_Context_error( cpA ) ) return 0; |
| 198 | |
| 199 | for( iL = 0; iL < sizeA; iL++ ) |
| 200 | { |
| 201 | memPtrA += bbs_memRead16( dstL++, memPtrA ); |
| 202 | } |
| 203 | |
| 204 | return sizeA * bbs_SIZEOF16( uint16 ); |
| 205 | } |
| 206 | |
| 207 | /* ------------------------------------------------------------------------- */ |
| 208 | |
| 209 | uint32 bbs_memWriteUInt32( uint32 valA, |
| 210 | uint16* memPtrA ) |
| 211 | { |
| 212 | #ifdef HW_BIG_ENDIAN |
| 213 | *memPtrA++ = bbs_swapBytes( ( uint16 )( ( valA >> 0 ) & 0xFFFF ) ); |
| 214 | *memPtrA++ = bbs_swapBytes( ( uint16 )( ( valA >> 16 ) & 0xFFFF ) ); |
| 215 | #else |
| 216 | *memPtrA++ = ( valA >> 0 ) & 0xFFFF; |
| 217 | *memPtrA++ = ( valA >> 16 ) & 0xFFFF; |
| 218 | #endif |
| 219 | |
| 220 | return bbs_SIZEOF16( valA ); |
| 221 | } |
| 222 | |
| 223 | /* ------------------------------------------------------------------------- */ |
| 224 | |
| 225 | uint32 bbs_memWriteUInt16( uint16 valA, |
| 226 | uint16* memPtrA ) |
| 227 | { |
| 228 | #ifdef HW_BIG_ENDIAN |
| 229 | *memPtrA++ = bbs_swapBytes( valA ); |
| 230 | #else |
| 231 | *memPtrA++ = valA; |
| 232 | #endif |
| 233 | |
| 234 | return bbs_SIZEOF16( valA ); |
| 235 | } |
| 236 | |
| 237 | /* ------------------------------------------------------------------------- */ |
| 238 | |
| 239 | uint32 bbs_memReadVersion32( struct bbs_Context* cpA, |
| 240 | uint32* versionPtrA, |
| 241 | uint32 refVersionA, |
| 242 | const uint16* memPtrA ) |
| 243 | { |
| 244 | if( bbs_Context_error( cpA ) ) return 0; |
| 245 | |
| 246 | bbs_memRead32( versionPtrA, memPtrA ); |
| 247 | if( *versionPtrA > refVersionA ) |
| 248 | { |
| 249 | bbs_ERR0( bbs_ERR_WRONG_VERSION, "uint32 bbs_memReadVersion32( .... ):\n" |
| 250 | "Data format is newer than software or corrupt\n" ); |
| 251 | } |
| 252 | return bbs_SIZEOF16( uint32 ); |
| 253 | } |
| 254 | |
| 255 | /* ------------------------------------------------------------------------- */ |
| 256 | |
| 257 | uint16 bbs_memCheckSum16( const uint16* memPtrA, uint32 sizeA ) |
| 258 | { |
| 259 | uint32 iL; |
| 260 | uint16 sumL = 0; |
| 261 | for( iL = 0; iL < sizeA; iL++ ) |
| 262 | { |
| 263 | #ifdef HW_BIG_ENDIAN |
| 264 | sumL += bbs_swapBytes( memPtrA[ iL ] ); |
| 265 | #else |
| 266 | sumL += memPtrA[ iL ]; |
| 267 | #endif |
| 268 | } |
| 269 | |
| 270 | return sumL; |
| 271 | } |
| 272 | |
| 273 | /* ------------------------------------------------------------------------- */ |
| 274 | |