// // cache.c -- cache management routines // // $Id: //depot/rel/Foxhill/dot.8/Xtensa/OS/hal/cache.c#1 $ // Copyright (c) 2002 Tensilica Inc. // // Permission is hereby granted, free of charge, to any person obtaining // a copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to // permit persons to whom the Software is furnished to do so, subject to // the following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #include // size of the cache lines in log2(bytes) const unsigned char Xthal_icache_linewidth = XCHAL_ICACHE_LINEWIDTH; const unsigned char Xthal_dcache_linewidth = XCHAL_DCACHE_LINEWIDTH; // size of the cache lines in bytes const unsigned short Xthal_icache_linesize = XCHAL_ICACHE_LINESIZE; const unsigned short Xthal_dcache_linesize = XCHAL_DCACHE_LINESIZE; // number of cache sets in log2(lines per way) const unsigned char Xthal_icache_setwidth = XCHAL_ICACHE_SETWIDTH; const unsigned char Xthal_dcache_setwidth = XCHAL_DCACHE_SETWIDTH; // cache set associativity (number of ways) const unsigned int Xthal_icache_ways = XCHAL_ICACHE_WAYS; const unsigned int Xthal_dcache_ways = XCHAL_DCACHE_WAYS; // size of the caches in bytes (ways * 2^(linewidth + setwidth)) const unsigned int Xthal_icache_size = XCHAL_ICACHE_SIZE; const unsigned int Xthal_dcache_size = XCHAL_DCACHE_SIZE; // cache features const unsigned char Xthal_dcache_is_writeback = XCHAL_DCACHE_IS_WRITEBACK; const unsigned char Xthal_icache_line_lockable = XCHAL_ICACHE_LINE_LOCKABLE; const unsigned char Xthal_dcache_line_lockable = XCHAL_DCACHE_LINE_LOCKABLE;