mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2025-07-22 05:40:01 -06:00
set svn:eol-style=native for **.cpp
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@1442 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
bushing
@ -1,200 +1,200 @@
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// Copyright (C) 2003-2008 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#include <memory.h>
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#ifdef _WIN32
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#define _interlockedbittestandset workaround_ms_header_bug_platform_sdk6_set
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#define _interlockedbittestandreset workaround_ms_header_bug_platform_sdk6_reset
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#define _interlockedbittestandset64 workaround_ms_header_bug_platform_sdk6_set64
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#define _interlockedbittestandreset64 workaround_ms_header_bug_platform_sdk6_reset64
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#include <intrin.h>
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#undef _interlockedbittestandset
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#undef _interlockedbittestandreset
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#undef _interlockedbittestandset64
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#undef _interlockedbittestandreset64
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#else
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//#include <config/i386/cpuid.h>
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#include <xmmintrin.h>
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static inline void do_cpuid(unsigned int *eax, unsigned int *ebx,
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unsigned int *ecx, unsigned int *edx)
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{
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#ifdef _LP64
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__asm__("cpuid"
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: "=a" (*eax),
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"=b" (*ebx),
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"=c" (*ecx),
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"=d" (*edx)
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: "a" (*eax)
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);
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#else
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// Note: EBX is reserved on Mac OS X and in PIC on Linux, so it has to be
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// restored at the end of the asm block.
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__asm__(
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"pushl %%ebx;"
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"cpuid;"
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"movl %%ebx,%1;"
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"popl %%ebx;"
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: "=a" (*eax),
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"=r" (*ebx),
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"=c" (*ecx),
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"=d" (*edx)
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: "a" (*eax)
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);
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#endif
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}
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void __cpuid(int info[4], int x)
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{
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unsigned int eax = x, ebx = 0, ecx = 0, edx = 0;
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do_cpuid(&eax, &ebx, &ecx, &edx);
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info[0] = eax;
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info[1] = ebx;
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info[2] = ecx;
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info[3] = edx;
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}
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#endif
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#include "Common.h"
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#include "CPUDetect.h"
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#include "StringUtil.h"
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CPUInfo cpu_info;
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void CPUInfo::Detect()
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{
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memset(this, 0, sizeof(*this));
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#ifdef _M_IX86
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Mode64bit = false;
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#elif defined (_M_X64)
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Mode64bit = true;
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OS64bit = true;
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#endif
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num_cores = 1;
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#ifdef _WIN32
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#ifdef _M_IX86
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BOOL f64 = FALSE;
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OS64bit = IsWow64Process(GetCurrentProcess(), &f64) && f64;
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#endif
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#endif
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// Set obvious defaults, for extra safety
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if (Mode64bit)
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{
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bSSE = true;
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bSSE2 = true;
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bLongMode = true;
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}
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// Assume CPU supports the CPUID instruction. Those that don't can barely boot modern OS:es anyway.
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int cpu_id[4];
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memset(cpu_string, 0, sizeof(cpu_string));
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// Detect CPU's CPUID capabilities, and grab cpu string
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__cpuid(cpu_id, 0x00000000);
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u32 max_std_fn = cpu_id[0]; // EAX
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*((int *)cpu_string) = cpu_id[1];
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*((int *)(cpu_string + 4)) = cpu_id[3];
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*((int *)(cpu_string + 8)) = cpu_id[2];
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__cpuid(cpu_id, 0x80000000);
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u32 max_ex_fn = cpu_id[0];
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if (!strcmp(cpu_string, "GenuineIntel"))
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vendor = VENDOR_INTEL;
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else if (!strcmp(cpu_string, "AuthenticAMD"))
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vendor = VENDOR_AMD;
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else
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vendor = VENDOR_OTHER;
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// Set reasonable default brand string even if brand string not available.
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strcpy(brand_string, cpu_string);
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// Detect family and other misc stuff.
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bool HTT = false;
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int logical_cpu_count = 1;
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if (max_std_fn >= 1) {
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__cpuid(cpu_id, 0x00000001);
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logical_cpu_count = (cpu_id[1] >> 16) & 0xFF;
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if ((cpu_id[3] >> 28) & 1) {
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// wtf, we get here on my core 2
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HTT = true;
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}
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if ((cpu_id[3] >> 25) & 1) bSSE = true;
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if ((cpu_id[3] >> 26) & 1) bSSE2 = true;
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if (cpu_id[2] & 1) bSSE3 = true;
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if ((cpu_id[2] >> 9) & 1) bSSSE3 = true;
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if ((cpu_id[2] >> 19) & 1) bSSE4_1 = true;
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if ((cpu_id[2] >> 20) & 1) bSSE4_2 = true;
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}
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if (max_ex_fn >= 0x80000004) {
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// Extract brand string
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__cpuid(cpu_id, 0x80000002);
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memcpy(brand_string, cpu_id, sizeof(cpu_id));
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__cpuid(cpu_id, 0x80000003);
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memcpy(brand_string + 16, cpu_id, sizeof(cpu_id));
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__cpuid(cpu_id, 0x80000004);
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memcpy(brand_string + 32, cpu_id, sizeof(cpu_id));
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}
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if (max_ex_fn >= 0x80000001) {
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// Check for more features.
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__cpuid(cpu_id, 0x80000001);
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bool cmp_legacy = false;
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if (cpu_id[2] & 1) bLAHFSAHF64 = true;
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if (cpu_id[2] & 2) cmp_legacy = true; //wtf is this?
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if ((cpu_id[3] >> 29) & 1) bLongMode = true;
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}
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if (max_ex_fn >= 0x80000008) {
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// Get number of cores. This is a bit complicated. Following AMD manual here.
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__cpuid(cpu_id, 0x80000008);
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int apic_id_core_id_size = (cpu_id[2] >> 12) & 0xF;
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if (apic_id_core_id_size == 0) {
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// Use what AMD calls the "legacy method" to determine # of cores.
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if (HTT) {
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num_cores = logical_cpu_count;
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} else {
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num_cores = 1;
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}
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} else {
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// Use AMD's new method.
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num_cores = (cpu_id[2] & 0xFF) + 1;
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}
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} else {
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// Wild guess
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if (logical_cpu_count)
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num_cores = logical_cpu_count;
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}
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}
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std::string CPUInfo::Summarize()
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{
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std::string sum;
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if (num_cores == 1)
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sum = StringFromFormat("%s, %i core, ", cpu_string, num_cores);
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else
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sum = StringFromFormat("%s, %i cores, ", cpu_string, num_cores);
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if (bSSE) sum += "SSE";
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if (bSSE2) sum += ", SSE2";
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if (bSSE3) sum += ", SSE3";
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if (bSSSE3) sum += ", SSSE3";
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if (bSSE4_1) sum += ", SSE4.1";
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if (bSSE4_2) sum += ", SSE4.2";
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if (bLongMode) sum += ", 64-bit support";
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return sum;
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}
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// Copyright (C) 2003-2008 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#include <memory.h>
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#ifdef _WIN32
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#define _interlockedbittestandset workaround_ms_header_bug_platform_sdk6_set
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#define _interlockedbittestandreset workaround_ms_header_bug_platform_sdk6_reset
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#define _interlockedbittestandset64 workaround_ms_header_bug_platform_sdk6_set64
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#define _interlockedbittestandreset64 workaround_ms_header_bug_platform_sdk6_reset64
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#include <intrin.h>
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#undef _interlockedbittestandset
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#undef _interlockedbittestandreset
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#undef _interlockedbittestandset64
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#undef _interlockedbittestandreset64
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#else
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//#include <config/i386/cpuid.h>
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#include <xmmintrin.h>
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static inline void do_cpuid(unsigned int *eax, unsigned int *ebx,
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unsigned int *ecx, unsigned int *edx)
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{
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#ifdef _LP64
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__asm__("cpuid"
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: "=a" (*eax),
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"=b" (*ebx),
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"=c" (*ecx),
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"=d" (*edx)
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: "a" (*eax)
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);
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#else
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// Note: EBX is reserved on Mac OS X and in PIC on Linux, so it has to be
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// restored at the end of the asm block.
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__asm__(
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"pushl %%ebx;"
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"cpuid;"
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"movl %%ebx,%1;"
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"popl %%ebx;"
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: "=a" (*eax),
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"=r" (*ebx),
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"=c" (*ecx),
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"=d" (*edx)
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: "a" (*eax)
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);
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#endif
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}
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void __cpuid(int info[4], int x)
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{
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unsigned int eax = x, ebx = 0, ecx = 0, edx = 0;
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do_cpuid(&eax, &ebx, &ecx, &edx);
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info[0] = eax;
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info[1] = ebx;
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info[2] = ecx;
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info[3] = edx;
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}
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#endif
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#include "Common.h"
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#include "CPUDetect.h"
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#include "StringUtil.h"
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CPUInfo cpu_info;
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void CPUInfo::Detect()
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{
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memset(this, 0, sizeof(*this));
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#ifdef _M_IX86
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Mode64bit = false;
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#elif defined (_M_X64)
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Mode64bit = true;
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OS64bit = true;
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#endif
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num_cores = 1;
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#ifdef _WIN32
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#ifdef _M_IX86
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BOOL f64 = FALSE;
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OS64bit = IsWow64Process(GetCurrentProcess(), &f64) && f64;
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#endif
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#endif
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// Set obvious defaults, for extra safety
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if (Mode64bit)
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{
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bSSE = true;
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bSSE2 = true;
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bLongMode = true;
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}
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// Assume CPU supports the CPUID instruction. Those that don't can barely boot modern OS:es anyway.
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int cpu_id[4];
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memset(cpu_string, 0, sizeof(cpu_string));
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// Detect CPU's CPUID capabilities, and grab cpu string
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__cpuid(cpu_id, 0x00000000);
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u32 max_std_fn = cpu_id[0]; // EAX
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*((int *)cpu_string) = cpu_id[1];
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*((int *)(cpu_string + 4)) = cpu_id[3];
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*((int *)(cpu_string + 8)) = cpu_id[2];
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__cpuid(cpu_id, 0x80000000);
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u32 max_ex_fn = cpu_id[0];
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if (!strcmp(cpu_string, "GenuineIntel"))
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vendor = VENDOR_INTEL;
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else if (!strcmp(cpu_string, "AuthenticAMD"))
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vendor = VENDOR_AMD;
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else
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vendor = VENDOR_OTHER;
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// Set reasonable default brand string even if brand string not available.
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strcpy(brand_string, cpu_string);
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// Detect family and other misc stuff.
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bool HTT = false;
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int logical_cpu_count = 1;
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if (max_std_fn >= 1) {
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__cpuid(cpu_id, 0x00000001);
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logical_cpu_count = (cpu_id[1] >> 16) & 0xFF;
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if ((cpu_id[3] >> 28) & 1) {
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// wtf, we get here on my core 2
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HTT = true;
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}
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if ((cpu_id[3] >> 25) & 1) bSSE = true;
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if ((cpu_id[3] >> 26) & 1) bSSE2 = true;
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if (cpu_id[2] & 1) bSSE3 = true;
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if ((cpu_id[2] >> 9) & 1) bSSSE3 = true;
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if ((cpu_id[2] >> 19) & 1) bSSE4_1 = true;
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if ((cpu_id[2] >> 20) & 1) bSSE4_2 = true;
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}
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if (max_ex_fn >= 0x80000004) {
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// Extract brand string
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__cpuid(cpu_id, 0x80000002);
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memcpy(brand_string, cpu_id, sizeof(cpu_id));
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__cpuid(cpu_id, 0x80000003);
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memcpy(brand_string + 16, cpu_id, sizeof(cpu_id));
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__cpuid(cpu_id, 0x80000004);
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memcpy(brand_string + 32, cpu_id, sizeof(cpu_id));
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}
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if (max_ex_fn >= 0x80000001) {
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// Check for more features.
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__cpuid(cpu_id, 0x80000001);
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bool cmp_legacy = false;
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if (cpu_id[2] & 1) bLAHFSAHF64 = true;
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if (cpu_id[2] & 2) cmp_legacy = true; //wtf is this?
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if ((cpu_id[3] >> 29) & 1) bLongMode = true;
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}
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if (max_ex_fn >= 0x80000008) {
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// Get number of cores. This is a bit complicated. Following AMD manual here.
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__cpuid(cpu_id, 0x80000008);
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int apic_id_core_id_size = (cpu_id[2] >> 12) & 0xF;
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if (apic_id_core_id_size == 0) {
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// Use what AMD calls the "legacy method" to determine # of cores.
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if (HTT) {
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num_cores = logical_cpu_count;
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} else {
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num_cores = 1;
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}
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} else {
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// Use AMD's new method.
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num_cores = (cpu_id[2] & 0xFF) + 1;
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}
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} else {
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// Wild guess
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if (logical_cpu_count)
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num_cores = logical_cpu_count;
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}
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}
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std::string CPUInfo::Summarize()
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{
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std::string sum;
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if (num_cores == 1)
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sum = StringFromFormat("%s, %i core, ", cpu_string, num_cores);
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else
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sum = StringFromFormat("%s, %i cores, ", cpu_string, num_cores);
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if (bSSE) sum += "SSE";
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if (bSSE2) sum += ", SSE2";
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if (bSSE3) sum += ", SSE3";
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if (bSSSE3) sum += ", SSSE3";
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if (bSSE4_1) sum += ", SSE4.1";
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if (bSSE4_2) sum += ", SSE4.2";
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if (bLongMode) sum += ", 64-bit support";
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return sum;
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}
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||||
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