mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2025-07-25 23:29:44 -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 @@
|
||||
// Copyright (C) 2003-2008 Dolphin Project.
|
||||
|
||||
// This program is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU General Public License as published by
|
||||
// the Free Software Foundation, version 2.0.
|
||||
|
||||
// This program is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License 2.0 for more details.
|
||||
|
||||
// A copy of the GPL 2.0 should have been included with the program.
|
||||
// If not, see http://www.gnu.org/licenses/
|
||||
|
||||
// Official SVN repository and contact information can be found at
|
||||
// http://code.google.com/p/dolphin-emu/
|
||||
|
||||
#include <memory.h>
|
||||
|
||||
#ifdef _WIN32
|
||||
#define _interlockedbittestandset workaround_ms_header_bug_platform_sdk6_set
|
||||
#define _interlockedbittestandreset workaround_ms_header_bug_platform_sdk6_reset
|
||||
#define _interlockedbittestandset64 workaround_ms_header_bug_platform_sdk6_set64
|
||||
#define _interlockedbittestandreset64 workaround_ms_header_bug_platform_sdk6_reset64
|
||||
#include <intrin.h>
|
||||
#undef _interlockedbittestandset
|
||||
#undef _interlockedbittestandreset
|
||||
#undef _interlockedbittestandset64
|
||||
#undef _interlockedbittestandreset64
|
||||
#else
|
||||
|
||||
//#include <config/i386/cpuid.h>
|
||||
#include <xmmintrin.h>
|
||||
|
||||
static inline void do_cpuid(unsigned int *eax, unsigned int *ebx,
|
||||
unsigned int *ecx, unsigned int *edx)
|
||||
{
|
||||
#ifdef _LP64
|
||||
__asm__("cpuid"
|
||||
: "=a" (*eax),
|
||||
"=b" (*ebx),
|
||||
"=c" (*ecx),
|
||||
"=d" (*edx)
|
||||
: "a" (*eax)
|
||||
);
|
||||
#else
|
||||
// Note: EBX is reserved on Mac OS X and in PIC on Linux, so it has to be
|
||||
// restored at the end of the asm block.
|
||||
__asm__(
|
||||
"pushl %%ebx;"
|
||||
"cpuid;"
|
||||
"movl %%ebx,%1;"
|
||||
"popl %%ebx;"
|
||||
: "=a" (*eax),
|
||||
"=r" (*ebx),
|
||||
"=c" (*ecx),
|
||||
"=d" (*edx)
|
||||
: "a" (*eax)
|
||||
);
|
||||
#endif
|
||||
}
|
||||
|
||||
void __cpuid(int info[4], int x)
|
||||
{
|
||||
unsigned int eax = x, ebx = 0, ecx = 0, edx = 0;
|
||||
do_cpuid(&eax, &ebx, &ecx, &edx);
|
||||
info[0] = eax;
|
||||
info[1] = ebx;
|
||||
info[2] = ecx;
|
||||
info[3] = edx;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
#include "Common.h"
|
||||
#include "CPUDetect.h"
|
||||
#include "StringUtil.h"
|
||||
|
||||
CPUInfo cpu_info;
|
||||
|
||||
void CPUInfo::Detect()
|
||||
{
|
||||
memset(this, 0, sizeof(*this));
|
||||
#ifdef _M_IX86
|
||||
Mode64bit = false;
|
||||
#elif defined (_M_X64)
|
||||
Mode64bit = true;
|
||||
OS64bit = true;
|
||||
#endif
|
||||
num_cores = 1;
|
||||
|
||||
#ifdef _WIN32
|
||||
#ifdef _M_IX86
|
||||
BOOL f64 = FALSE;
|
||||
OS64bit = IsWow64Process(GetCurrentProcess(), &f64) && f64;
|
||||
#endif
|
||||
#endif
|
||||
|
||||
// Set obvious defaults, for extra safety
|
||||
if (Mode64bit)
|
||||
{
|
||||
bSSE = true;
|
||||
bSSE2 = true;
|
||||
bLongMode = true;
|
||||
}
|
||||
|
||||
// Assume CPU supports the CPUID instruction. Those that don't can barely boot modern OS:es anyway.
|
||||
int cpu_id[4];
|
||||
memset(cpu_string, 0, sizeof(cpu_string));
|
||||
|
||||
// Detect CPU's CPUID capabilities, and grab cpu string
|
||||
__cpuid(cpu_id, 0x00000000);
|
||||
u32 max_std_fn = cpu_id[0]; // EAX
|
||||
*((int *)cpu_string) = cpu_id[1];
|
||||
*((int *)(cpu_string + 4)) = cpu_id[3];
|
||||
*((int *)(cpu_string + 8)) = cpu_id[2];
|
||||
__cpuid(cpu_id, 0x80000000);
|
||||
u32 max_ex_fn = cpu_id[0];
|
||||
if (!strcmp(cpu_string, "GenuineIntel"))
|
||||
vendor = VENDOR_INTEL;
|
||||
else if (!strcmp(cpu_string, "AuthenticAMD"))
|
||||
vendor = VENDOR_AMD;
|
||||
else
|
||||
vendor = VENDOR_OTHER;
|
||||
|
||||
// Set reasonable default brand string even if brand string not available.
|
||||
strcpy(brand_string, cpu_string);
|
||||
|
||||
// Detect family and other misc stuff.
|
||||
bool HTT = false;
|
||||
int logical_cpu_count = 1;
|
||||
if (max_std_fn >= 1) {
|
||||
__cpuid(cpu_id, 0x00000001);
|
||||
logical_cpu_count = (cpu_id[1] >> 16) & 0xFF;
|
||||
if ((cpu_id[3] >> 28) & 1) {
|
||||
// wtf, we get here on my core 2
|
||||
HTT = true;
|
||||
}
|
||||
if ((cpu_id[3] >> 25) & 1) bSSE = true;
|
||||
if ((cpu_id[3] >> 26) & 1) bSSE2 = true;
|
||||
if (cpu_id[2] & 1) bSSE3 = true;
|
||||
if ((cpu_id[2] >> 9) & 1) bSSSE3 = true;
|
||||
if ((cpu_id[2] >> 19) & 1) bSSE4_1 = true;
|
||||
if ((cpu_id[2] >> 20) & 1) bSSE4_2 = true;
|
||||
}
|
||||
if (max_ex_fn >= 0x80000004) {
|
||||
// Extract brand string
|
||||
__cpuid(cpu_id, 0x80000002);
|
||||
memcpy(brand_string, cpu_id, sizeof(cpu_id));
|
||||
__cpuid(cpu_id, 0x80000003);
|
||||
memcpy(brand_string + 16, cpu_id, sizeof(cpu_id));
|
||||
__cpuid(cpu_id, 0x80000004);
|
||||
memcpy(brand_string + 32, cpu_id, sizeof(cpu_id));
|
||||
}
|
||||
if (max_ex_fn >= 0x80000001) {
|
||||
// Check for more features.
|
||||
__cpuid(cpu_id, 0x80000001);
|
||||
bool cmp_legacy = false;
|
||||
if (cpu_id[2] & 1) bLAHFSAHF64 = true;
|
||||
if (cpu_id[2] & 2) cmp_legacy = true; //wtf is this?
|
||||
if ((cpu_id[3] >> 29) & 1) bLongMode = true;
|
||||
}
|
||||
if (max_ex_fn >= 0x80000008) {
|
||||
// Get number of cores. This is a bit complicated. Following AMD manual here.
|
||||
__cpuid(cpu_id, 0x80000008);
|
||||
int apic_id_core_id_size = (cpu_id[2] >> 12) & 0xF;
|
||||
if (apic_id_core_id_size == 0) {
|
||||
// Use what AMD calls the "legacy method" to determine # of cores.
|
||||
if (HTT) {
|
||||
num_cores = logical_cpu_count;
|
||||
} else {
|
||||
num_cores = 1;
|
||||
}
|
||||
} else {
|
||||
// Use AMD's new method.
|
||||
num_cores = (cpu_id[2] & 0xFF) + 1;
|
||||
}
|
||||
} else {
|
||||
// Wild guess
|
||||
if (logical_cpu_count)
|
||||
num_cores = logical_cpu_count;
|
||||
}
|
||||
}
|
||||
|
||||
std::string CPUInfo::Summarize()
|
||||
{
|
||||
std::string sum;
|
||||
if (num_cores == 1)
|
||||
sum = StringFromFormat("%s, %i core, ", cpu_string, num_cores);
|
||||
else
|
||||
sum = StringFromFormat("%s, %i cores, ", cpu_string, num_cores);
|
||||
if (bSSE) sum += "SSE";
|
||||
if (bSSE2) sum += ", SSE2";
|
||||
if (bSSE3) sum += ", SSE3";
|
||||
if (bSSSE3) sum += ", SSSE3";
|
||||
if (bSSE4_1) sum += ", SSE4.1";
|
||||
if (bSSE4_2) sum += ", SSE4.2";
|
||||
if (bLongMode) sum += ", 64-bit support";
|
||||
return sum;
|
||||
}
|
||||
// Copyright (C) 2003-2008 Dolphin Project.
|
||||
|
||||
// This program is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU General Public License as published by
|
||||
// the Free Software Foundation, version 2.0.
|
||||
|
||||
// This program is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License 2.0 for more details.
|
||||
|
||||
// A copy of the GPL 2.0 should have been included with the program.
|
||||
// If not, see http://www.gnu.org/licenses/
|
||||
|
||||
// Official SVN repository and contact information can be found at
|
||||
// http://code.google.com/p/dolphin-emu/
|
||||
|
||||
#include <memory.h>
|
||||
|
||||
#ifdef _WIN32
|
||||
#define _interlockedbittestandset workaround_ms_header_bug_platform_sdk6_set
|
||||
#define _interlockedbittestandreset workaround_ms_header_bug_platform_sdk6_reset
|
||||
#define _interlockedbittestandset64 workaround_ms_header_bug_platform_sdk6_set64
|
||||
#define _interlockedbittestandreset64 workaround_ms_header_bug_platform_sdk6_reset64
|
||||
#include <intrin.h>
|
||||
#undef _interlockedbittestandset
|
||||
#undef _interlockedbittestandreset
|
||||
#undef _interlockedbittestandset64
|
||||
#undef _interlockedbittestandreset64
|
||||
#else
|
||||
|
||||
//#include <config/i386/cpuid.h>
|
||||
#include <xmmintrin.h>
|
||||
|
||||
static inline void do_cpuid(unsigned int *eax, unsigned int *ebx,
|
||||
unsigned int *ecx, unsigned int *edx)
|
||||
{
|
||||
#ifdef _LP64
|
||||
__asm__("cpuid"
|
||||
: "=a" (*eax),
|
||||
"=b" (*ebx),
|
||||
"=c" (*ecx),
|
||||
"=d" (*edx)
|
||||
: "a" (*eax)
|
||||
);
|
||||
#else
|
||||
// Note: EBX is reserved on Mac OS X and in PIC on Linux, so it has to be
|
||||
// restored at the end of the asm block.
|
||||
__asm__(
|
||||
"pushl %%ebx;"
|
||||
"cpuid;"
|
||||
"movl %%ebx,%1;"
|
||||
"popl %%ebx;"
|
||||
: "=a" (*eax),
|
||||
"=r" (*ebx),
|
||||
"=c" (*ecx),
|
||||
"=d" (*edx)
|
||||
: "a" (*eax)
|
||||
);
|
||||
#endif
|
||||
}
|
||||
|
||||
void __cpuid(int info[4], int x)
|
||||
{
|
||||
unsigned int eax = x, ebx = 0, ecx = 0, edx = 0;
|
||||
do_cpuid(&eax, &ebx, &ecx, &edx);
|
||||
info[0] = eax;
|
||||
info[1] = ebx;
|
||||
info[2] = ecx;
|
||||
info[3] = edx;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
#include "Common.h"
|
||||
#include "CPUDetect.h"
|
||||
#include "StringUtil.h"
|
||||
|
||||
CPUInfo cpu_info;
|
||||
|
||||
void CPUInfo::Detect()
|
||||
{
|
||||
memset(this, 0, sizeof(*this));
|
||||
#ifdef _M_IX86
|
||||
Mode64bit = false;
|
||||
#elif defined (_M_X64)
|
||||
Mode64bit = true;
|
||||
OS64bit = true;
|
||||
#endif
|
||||
num_cores = 1;
|
||||
|
||||
#ifdef _WIN32
|
||||
#ifdef _M_IX86
|
||||
BOOL f64 = FALSE;
|
||||
OS64bit = IsWow64Process(GetCurrentProcess(), &f64) && f64;
|
||||
#endif
|
||||
#endif
|
||||
|
||||
// Set obvious defaults, for extra safety
|
||||
if (Mode64bit)
|
||||
{
|
||||
bSSE = true;
|
||||
bSSE2 = true;
|
||||
bLongMode = true;
|
||||
}
|
||||
|
||||
// Assume CPU supports the CPUID instruction. Those that don't can barely boot modern OS:es anyway.
|
||||
int cpu_id[4];
|
||||
memset(cpu_string, 0, sizeof(cpu_string));
|
||||
|
||||
// Detect CPU's CPUID capabilities, and grab cpu string
|
||||
__cpuid(cpu_id, 0x00000000);
|
||||
u32 max_std_fn = cpu_id[0]; // EAX
|
||||
*((int *)cpu_string) = cpu_id[1];
|
||||
*((int *)(cpu_string + 4)) = cpu_id[3];
|
||||
*((int *)(cpu_string + 8)) = cpu_id[2];
|
||||
__cpuid(cpu_id, 0x80000000);
|
||||
u32 max_ex_fn = cpu_id[0];
|
||||
if (!strcmp(cpu_string, "GenuineIntel"))
|
||||
vendor = VENDOR_INTEL;
|
||||
else if (!strcmp(cpu_string, "AuthenticAMD"))
|
||||
vendor = VENDOR_AMD;
|
||||
else
|
||||
vendor = VENDOR_OTHER;
|
||||
|
||||
// Set reasonable default brand string even if brand string not available.
|
||||
strcpy(brand_string, cpu_string);
|
||||
|
||||
// Detect family and other misc stuff.
|
||||
bool HTT = false;
|
||||
int logical_cpu_count = 1;
|
||||
if (max_std_fn >= 1) {
|
||||
__cpuid(cpu_id, 0x00000001);
|
||||
logical_cpu_count = (cpu_id[1] >> 16) & 0xFF;
|
||||
if ((cpu_id[3] >> 28) & 1) {
|
||||
// wtf, we get here on my core 2
|
||||
HTT = true;
|
||||
}
|
||||
if ((cpu_id[3] >> 25) & 1) bSSE = true;
|
||||
if ((cpu_id[3] >> 26) & 1) bSSE2 = true;
|
||||
if (cpu_id[2] & 1) bSSE3 = true;
|
||||
if ((cpu_id[2] >> 9) & 1) bSSSE3 = true;
|
||||
if ((cpu_id[2] >> 19) & 1) bSSE4_1 = true;
|
||||
if ((cpu_id[2] >> 20) & 1) bSSE4_2 = true;
|
||||
}
|
||||
if (max_ex_fn >= 0x80000004) {
|
||||
// Extract brand string
|
||||
__cpuid(cpu_id, 0x80000002);
|
||||
memcpy(brand_string, cpu_id, sizeof(cpu_id));
|
||||
__cpuid(cpu_id, 0x80000003);
|
||||
memcpy(brand_string + 16, cpu_id, sizeof(cpu_id));
|
||||
__cpuid(cpu_id, 0x80000004);
|
||||
memcpy(brand_string + 32, cpu_id, sizeof(cpu_id));
|
||||
}
|
||||
if (max_ex_fn >= 0x80000001) {
|
||||
// Check for more features.
|
||||
__cpuid(cpu_id, 0x80000001);
|
||||
bool cmp_legacy = false;
|
||||
if (cpu_id[2] & 1) bLAHFSAHF64 = true;
|
||||
if (cpu_id[2] & 2) cmp_legacy = true; //wtf is this?
|
||||
if ((cpu_id[3] >> 29) & 1) bLongMode = true;
|
||||
}
|
||||
if (max_ex_fn >= 0x80000008) {
|
||||
// Get number of cores. This is a bit complicated. Following AMD manual here.
|
||||
__cpuid(cpu_id, 0x80000008);
|
||||
int apic_id_core_id_size = (cpu_id[2] >> 12) & 0xF;
|
||||
if (apic_id_core_id_size == 0) {
|
||||
// Use what AMD calls the "legacy method" to determine # of cores.
|
||||
if (HTT) {
|
||||
num_cores = logical_cpu_count;
|
||||
} else {
|
||||
num_cores = 1;
|
||||
}
|
||||
} else {
|
||||
// Use AMD's new method.
|
||||
num_cores = (cpu_id[2] & 0xFF) + 1;
|
||||
}
|
||||
} else {
|
||||
// Wild guess
|
||||
if (logical_cpu_count)
|
||||
num_cores = logical_cpu_count;
|
||||
}
|
||||
}
|
||||
|
||||
std::string CPUInfo::Summarize()
|
||||
{
|
||||
std::string sum;
|
||||
if (num_cores == 1)
|
||||
sum = StringFromFormat("%s, %i core, ", cpu_string, num_cores);
|
||||
else
|
||||
sum = StringFromFormat("%s, %i cores, ", cpu_string, num_cores);
|
||||
if (bSSE) sum += "SSE";
|
||||
if (bSSE2) sum += ", SSE2";
|
||||
if (bSSE3) sum += ", SSE3";
|
||||
if (bSSSE3) sum += ", SSSE3";
|
||||
if (bSSE4_1) sum += ", SSE4.1";
|
||||
if (bSSE4_2) sum += ", SSE4.2";
|
||||
if (bLongMode) sum += ", 64-bit support";
|
||||
return sum;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user