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kernel: restrict nce to applications

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This commit is contained in:
Liam 2023-12-18 00:49:46 -05:00
parent 31bf57a310
commit db7b2bc8f1
3 changed files with 6 additions and 6 deletions
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4
src/core/hle/kernel/k_process.cpp
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@ -1233,7 +1233,7 @@ void KProcess::LoadModule(CodeSet code_set, KProcessAddress base_addr) {
ReprotectSegment(code_set.DataSegment(), Svc::MemoryPermission::ReadWrite);
#ifdef HAS_NCE
if (Settings::IsNceEnabled()) {
if (this->IsApplication() && Settings::IsNceEnabled()) {
auto& buffer = m_kernel.System().DeviceMemory().buffer;
const auto& code = code_set.CodeSegment();
const auto& patch = code_set.PatchSegment();
@ -1249,7 +1249,7 @@ void KProcess::InitializeInterfaces() {
Core::MakeExclusiveMonitor(this->GetMemory(), Core::Hardware::NUM_CPU_CORES);
#ifdef HAS_NCE
if (this->Is64Bit() && Settings::IsNceEnabled()) {
if (this->IsApplication() && Settings::IsNceEnabled()) {
for (size_t i = 0; i < Core::Hardware::NUM_CPU_CORES; i++) {
m_arm_interfaces[i] = std::make_unique<Core::ArmNce>(m_kernel.System(), true, i);
}

1
src/core/hle/kernel/svc/svc_info.cpp
View file

@ -118,7 +118,6 @@ Result GetInfo(Core::System& system, u64* result, InfoType info_id_type, Handle
R_SUCCEED();
case InfoType::IsApplication:
LOG_WARNING(Kernel_SVC, "(STUBBED) Assuming process is application");
*result = process->IsApplication();
R_SUCCEED();

7
src/core/loader/deconstructed_rom_directory.cpp
View file

@ -129,9 +129,10 @@ AppLoader_DeconstructedRomDirectory::LoadResult AppLoader_DeconstructedRomDirect
}
metadata.Print();
// Enable NCE only for programs with 39-bit address space.
// Enable NCE only for applications with 39-bit address space.
const bool is_39bit =
metadata.GetAddressSpaceType() == FileSys::ProgramAddressSpaceType::Is39Bit;
const bool is_application = metadata.GetPoolPartition() == FileSys::PoolPartition::Application;
Settings::SetNceEnabled(is_39bit);
const std::array static_modules = {"rtld", "main", "subsdk0", "subsdk1", "subsdk2",
@ -147,7 +148,7 @@ AppLoader_DeconstructedRomDirectory::LoadResult AppLoader_DeconstructedRomDirect
const auto GetPatcher = [&](size_t i) -> Core::NCE::Patcher* {
#ifdef HAS_NCE
if (Settings::IsNceEnabled()) {
if (is_application && Settings::IsNceEnabled()) {
return &module_patchers[i];
}
#endif
@ -175,7 +176,7 @@ AppLoader_DeconstructedRomDirectory::LoadResult AppLoader_DeconstructedRomDirect
// Enable direct memory mapping in case of NCE.
const u64 fastmem_base = [&]() -> size_t {
if (Settings::IsNceEnabled()) {
if (is_application && Settings::IsNceEnabled()) {
auto& buffer = system.DeviceMemory().buffer;
buffer.EnableDirectMappedAddress();
return reinterpret_cast<u64>(buffer.VirtualBasePointer());