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windows: prefer os version from registry

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this value is not modified by compatibility mode
drop reporting service pack numbers. no longer used
This commit is contained in:
Shawn Hoffman 2023-01-17 01:23:44 -08:00
commit dff7f20f9d
7 changed files with 102 additions and 45 deletions
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24
Source/Core/Common/ArmCPUDetect.cpp
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@ -14,6 +14,7 @@
#elif defined(_WIN32)
#include <Windows.h>
#include <arm64intr.h>
#include "Common/WindowsRegistry.h"
#else
#ifndef __FreeBSD__
#include <asm/hwcap.h>
@ -55,33 +56,14 @@ static constexpr char SUBKEY_CORE0[] = R"(HARDWARE\DESCRIPTION\System\CentralPro
// There are some other maybe-interesting values nearby, BIOS info etc.
static bool ReadProcessorString(std::string* value, const std::string& name)
{
const DWORD flags = RRF_RT_REG_SZ | RRF_NOEXPAND;
DWORD value_len = 0;
auto status = RegGetValueA(HKEY_LOCAL_MACHINE, SUBKEY_CORE0, name.c_str(), flags, nullptr,
nullptr, &value_len);
if (status != ERROR_SUCCESS && status != ERROR_MORE_DATA)
return false;
value->resize(value_len);
status = RegGetValueA(HKEY_LOCAL_MACHINE, SUBKEY_CORE0, name.c_str(), flags, nullptr,
value->data(), &value_len);
if (status != ERROR_SUCCESS)
{
value->clear();
return false;
}
TruncateToCString(value);
return true;
return WindowsRegistry::ReadValue(value, SUBKEY_CORE0, name);
}
// Read cached register values from the registry
static bool ReadPrivilegedCPReg(u64* value, u32 reg)
{
DWORD value_len = sizeof(*value);
// Not sure if the value name is padded or not
return RegGetValueA(HKEY_LOCAL_MACHINE, SUBKEY_CORE0, fmt::format("CP {:x}", reg).c_str(),
RRF_RT_REG_QWORD, nullptr, value, &value_len) == ERROR_SUCCESS;
return WindowsRegistry::ReadValue(value, SUBKEY_CORE0, fmt::format("CP {:x}", reg).c_str());
}
static bool Read_MIDR_EL1(u64* value)