55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
/* Copyright (c) 2010 Wildfire Games
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* CPU and memory detection.
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*/
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#include "precompiled.h"
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#include "lib/sysdep/cpu.h"
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ERROR_ASSOCIATE(ERR::CPU_FEATURE_MISSING, L"This CPU doesn't support a required feature", -1);
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ERROR_ASSOCIATE(ERR::CPU_UNKNOWN_OPCODE, L"Disassembly failed", -1);
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ERROR_ASSOCIATE(ERR::CPU_UNKNOWN_VENDOR, L"CPU vendor unknown", -1);
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static void TestCAS64()
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{
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volatile i64 var = 1;
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cpu_CAS64(&var, 1ull, 2ull);
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debug_assert(var == 2ull);
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}
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static void TestAtomicAdd()
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{
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volatile intptr_t i1 = 1;
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intptr_t prev = cpu_AtomicAdd(&i1, 1);
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debug_assert(prev == 1);
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debug_assert(i1 == 2);
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}
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void cpu_Test()
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{
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TestCAS64();
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TestAtomicAdd();
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}
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