1 /* Copyright (C) 2010 Wildfire Games. 2 * 3 * Permission is hereby granted, free of charge, to any person obtaining 4 * a copy of this software and associated documentation files (the 5 * "Software"), to deal in the Software without restriction, including 6 * without limitation the rights to use, copy, modify, merge, publish, 7 * distribute, sublicense, and/or sell copies of the Software, and to 8 * permit persons to whom the Software is furnished to do so, subject to 9 * the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included 12 * in all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 15 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 17 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY 18 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 19 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 20 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 21 */ 22 23 /* 24 * Windows backend of os_cpu 25 */ 26 27 #ifndef INCLUDED_WCPU 28 #define INCLUDED_WCPU 29 30 #include "lib/sysdep/os/win/win.h" 31 32 extern Status wcpu_ReadFrequencyFromRegistry(u32& freqMhz); 33 34 // "affinity" and "processorNumber" are what Windows sees. 35 // "processorMask" and "processor" are the idealized representation we expose 36 // to users. the latter insulates them from process affinity restrictions by 37 // defining IDs as indices of the nonzero bits within the process affinity. 38 // these routines are provided for the benefit of wnuma. 39 40 extern DWORD_PTR wcpu_AffinityFromProcessorMask(DWORD_PTR processAffinity, uintptr_t processorMask); 41 extern uintptr_t wcpu_ProcessorMaskFromAffinity(DWORD_PTR processAffinity, DWORD_PTR affinity); 42 43 #endif // #ifndef INCLUDED_WCPU 44