2010-02-08 17:23:39 +01:00
|
|
|
/* Copyright (c) 2010 Wildfire Games
|
2009-04-18 19:00:33 +02:00
|
|
|
*
|
2010-02-08 17:23:39 +01:00
|
|
|
* 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.
|
2009-04-18 19:00:33 +02:00
|
|
|
*/
|
|
|
|
|
2009-04-18 19:51:05 +02:00
|
|
|
/*
|
|
|
|
* CPU and memory detection.
|
2006-04-24 01:14:18 +02:00
|
|
|
*/
|
|
|
|
|
|
|
|
#include "precompiled.h"
|
2010-03-01 15:52:58 +01:00
|
|
|
#include "lib/sysdep/cpu.h"
|
2006-04-24 01:14:18 +02:00
|
|
|
|
2009-11-03 22:46:35 +01:00
|
|
|
ERROR_ASSOCIATE(ERR::CPU_FEATURE_MISSING, L"This CPU doesn't support a required feature", -1);
|
|
|
|
ERROR_ASSOCIATE(ERR::CPU_UNKNOWN_OPCODE, L"Disassembly failed", -1);
|
|
|
|
ERROR_ASSOCIATE(ERR::CPU_UNKNOWN_VENDOR, L"CPU vendor unknown", -1);
|
2010-07-14 10:52:20 +02:00
|
|
|
|
2010-07-22 18:17:33 +02:00
|
|
|
|
2010-09-05 11:38:30 +02:00
|
|
|
// ensure the actual pointer size matches expectations on the most common
|
|
|
|
// architectures (IA-32 and AMD64) - just in case the predefined macros
|
|
|
|
// are wrong or misleading.
|
|
|
|
#if ARCH_IA32
|
|
|
|
cassert(sizeof(void*) == 4);
|
|
|
|
#elif ARCH_AMD64
|
|
|
|
cassert(sizeof(void*) == 8);
|
2010-09-05 17:38:34 +02:00
|
|
|
cassert(sizeof(i64) == sizeof(intptr_t));
|
2010-09-05 11:38:30 +02:00
|
|
|
#endif
|
|
|
|
cassert(sizeof(void*) == sizeof(intptr_t));
|
|
|
|
|
|
|
|
|
|
|
|
|
2010-07-22 18:17:33 +02:00
|
|
|
static void TestCAS64()
|
|
|
|
{
|
2010-07-22 20:57:36 +02:00
|
|
|
volatile i64 var = 1;
|
2010-11-01 10:54:03 +01:00
|
|
|
cpu_CAS64(&var, 1ull, 2ull);
|
2010-07-22 18:17:33 +02:00
|
|
|
debug_assert(var == 2ull);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void TestAtomicAdd()
|
2010-07-14 10:52:20 +02:00
|
|
|
{
|
|
|
|
volatile intptr_t i1 = 1;
|
|
|
|
intptr_t prev = cpu_AtomicAdd(&i1, 1);
|
|
|
|
debug_assert(prev == 1);
|
|
|
|
debug_assert(i1 == 2);
|
|
|
|
}
|
2010-07-22 18:17:33 +02:00
|
|
|
|
|
|
|
void cpu_Test()
|
|
|
|
{
|
|
|
|
TestCAS64();
|
|
|
|
TestAtomicAdd();
|
|
|
|
}
|