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System: Check host page size on startup

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This commit is contained in:
Stenzek
2024-05-16 17:24:42 +10:00
parent a5b1ee4f04
commit 35bdbf2a55
8 changed files with 182 additions and 25 deletions
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50
src/core/system.cpp
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@ -94,6 +94,8 @@ SystemBootParameters::SystemBootParameters(std::string filename_) : filename(std
SystemBootParameters::~SystemBootParameters() = default;
namespace System {
static void CheckCacheLineSize();
static std::optional<ExtendedSaveStateInfo> InternalGetExtendedSaveStateInfo(ByteStream* stream);
static void LoadInputBindings(SettingsInterface& si, std::unique_lock<std::mutex>& lock);
@ -255,6 +257,44 @@ static TinyString GetTimestampStringForFileName()
return TinyString::from_format("{:%Y-%m-%d-%H-%M-%S}", fmt::localtime(std::time(nullptr)));
}
bool System::Internal::PerformEarlyHardwareChecks(Error* error)
{
// Check page size. If it doesn't match, it is a fatal error.
const size_t runtime_host_page_size = PlatformMisc::GetRuntimePageSize();
if (runtime_host_page_size == 0)
{
Error::SetStringFmt(error, "Cannot determine size of page. Continuing with expectation of {} byte pages.",
runtime_host_page_size);
}
else if (HOST_PAGE_SIZE != runtime_host_page_size)
{
Error::SetStringFmt(
error, "Page size mismatch. This build was compiled with {} byte pages, but the system has {} byte pages.",
HOST_PAGE_SIZE, runtime_host_page_size);
CPUThreadShutdown();
return false;
}
return true;
}
void System::CheckCacheLineSize()
{
const size_t runtime_cache_line_size = PlatformMisc::GetRuntimeCacheLineSize();
if (runtime_cache_line_size == 0)
{
Log_ErrorFmt("Cannot determine size of cache line. Continuing with expectation of {} byte lines.",
runtime_cache_line_size);
}
else if (HOST_CACHE_LINE_SIZE != runtime_cache_line_size)
{
// Not fatal, but does have performance implications.
Log_WarningFmt(
"Cache line size mismatch. This build was compiled with {} byte lines, but the system has {} byte lines.",
HOST_CACHE_LINE_SIZE, runtime_cache_line_size);
}
}
bool System::Internal::CPUThreadInitialize(Error* error)
{
#ifdef _WIN32
@ -269,15 +309,17 @@ bool System::Internal::CPUThreadInitialize(Error* error)
}
#endif
if (!Bus::AllocateMemory(error))
return false;
if (!CPU::CodeCache::ProcessStartup(error))
if (!Bus::AllocateMemory(error) || !CPU::CodeCache::ProcessStartup(error))
{
CPUThreadShutdown();
return false;
}
// This will call back to Host::LoadSettings() -> ReloadSources().
LoadSettings(false);
CheckCacheLineSize();
#ifdef ENABLE_RAINTEGRATION
if (Host::GetBaseBoolSettingValue("Cheevos", "UseRAIntegration", false))
Achievements::SwitchToRAIntegration();