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Compile fixes for Windows-on-ARM64

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This commit is contained in:
Stenzek
2019-11-26 15:31:45 +11:00
parent 6fcb1c6c46
commit d744c5a148
13 changed files with 115 additions and 64 deletions
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26
Source/Core/Common/ArmCPUDetect.cpp
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@ -2,13 +2,17 @@
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include <asm/hwcap.h>
#include <cstring>
#include <fstream>
#include <sstream>
#include <string>
#include <thread>
#ifndef _WIN32
#include <asm/hwcap.h>
#include <sys/auxv.h>
#include <unistd.h>
#endif
#include <fmt/format.h>
@ -16,6 +20,8 @@
#include "Common/CommonTypes.h"
#include "Common/FileUtil.h"
#ifndef WIN32
const char procfile[] = "/proc/cpuinfo";
static std::string GetCPUString()
@ -42,6 +48,8 @@ static std::string GetCPUString()
return cpu_string;
}
#endif
CPUInfo cpu_info;
CPUInfo::CPUInfo()
@ -60,6 +68,21 @@ void CPUInfo::Detect()
Mode64bit = true;
vendor = CPUVendor::ARM;
#ifdef _WIN32
num_cores = std::thread::hardware_concurrency();
// Windows does not provide any mechanism for querying the system registers on ARMv8, unlike Linux
// which traps the register reads and emulates them in the kernel. There are environment variables
// containing some of the CPU-specific values, which we could use for a lookup table in the
// future. For now, assume all features are present as all known devices which are Windows-on-ARM
// compatible also support these extensions.
bFP = true;
bASIMD = true;
bAES = true;
bCRC32 = true;
bSHA1 = true;
bSHA2 = true;
#else
// Get the information about the CPU
num_cores = sysconf(_SC_NPROCESSORS_CONF);
strncpy(cpu_string, GetCPUString().c_str(), sizeof(cpu_string));
@ -71,6 +94,7 @@ void CPUInfo::Detect()
bCRC32 = hwcaps & HWCAP_CRC32;
bSHA1 = hwcaps & HWCAP_SHA1;
bSHA2 = hwcaps & HWCAP_SHA2;
#endif
}
// Turn the CPU info into a string we can show