From b1001258668ee3fd2cdb579ddbc9aa3bd5ac0c2c Mon Sep 17 00:00:00 2001 From: rubidium Date: Thu, 2 Jan 2014 18:52:54 +0000 Subject: (svn r26207) -Codechange: move the CPUID flag detection into cpu.cpp --- src/cpu.cpp | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) (limited to 'src/cpu.cpp') diff --git a/src/cpu.cpp b/src/cpu.cpp index efa070bcb..45b7faab4 100644 --- a/src/cpu.cpp +++ b/src/cpu.cpp @@ -7,9 +7,10 @@ * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see . */ -/** @file cpu.cpp OS/CPU/compiler dependant real time tick sampling. */ +/** @file cpu.cpp OS/CPU/compiler dependant CPU specific calls. */ #include "stdafx.h" +#include "core/bitmath_func.hpp" #undef RDTSC_AVAILABLE @@ -107,3 +108,14 @@ void ottd_cpuid(int info[4], int type) info[0] = info[1] = info[2] = info[3] = 0; } #endif + +bool HasCPUIDFlag(uint type, uint index, uint bit) +{ + int cpu_info[4] = {-1}; + ottd_cpuid(cpu_info, 0); + uint max_info_type = cpu_info[0]; + if (max_info_type < type) return false; + + ottd_cpuid(cpu_info, type); + return HasBit(cpu_info[index], bit); +} -- cgit v1.2.3-54-g00ecf