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Merge pull request #12759 from liamwhite/mp-misc

core: miscellaneous fixes
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liamwhite 2024-01-25 16:21:38 -05:00 committed by GitHub
commit e04368ad7c
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4 changed files with 25 additions and 4 deletions

View file

@ -69,9 +69,14 @@ public:
};
template <typename AddressType>
void InvalidateInstructionCache(KernelCore& kernel, AddressType addr, u64 size) {
void InvalidateInstructionCache(KernelCore& kernel, KPageTableBase* table, AddressType addr,
u64 size) {
// TODO: lock the process list
for (auto& process : kernel.GetProcessList()) {
if (std::addressof(process->GetPageTable().GetBasePageTable()) != table) {
continue;
}
for (size_t i = 0; i < Core::Hardware::NUM_CPU_CORES; i++) {
auto* interface = process->GetArmInterface(i);
if (interface) {
@ -1302,7 +1307,7 @@ Result KPageTableBase::UnmapCodeMemory(KProcessAddress dst_address, KProcessAddr
bool reprotected_pages = false;
SCOPE_EXIT({
if (reprotected_pages && any_code_pages) {
InvalidateInstructionCache(m_kernel, dst_address, size);
InvalidateInstructionCache(m_kernel, this, dst_address, size);
}
});
@ -2036,7 +2041,7 @@ Result KPageTableBase::SetProcessMemoryPermission(KProcessAddress addr, size_t s
for (const auto& block : pg) {
StoreDataCache(GetHeapVirtualPointer(m_kernel, block.GetAddress()), block.GetSize());
}
InvalidateInstructionCache(m_kernel, addr, size);
InvalidateInstructionCache(m_kernel, this, addr, size);
}
R_SUCCEED();
@ -3277,7 +3282,7 @@ Result KPageTableBase::WriteDebugMemory(KProcessAddress dst_address, KProcessAdd
R_TRY(PerformCopy());
// Invalidate the instruction cache, as this svc allows modifying executable pages.
InvalidateInstructionCache(m_kernel, dst_address, size);
InvalidateInstructionCache(m_kernel, this, dst_address, size);
R_SUCCEED();
}

View file

@ -112,6 +112,7 @@ SessionId Container::OpenSession(Kernel::KProcess* process) {
void Container::CloseSession(SessionId session_id) {
std::scoped_lock lk(impl->session_guard);
impl->file.UnmapAllHandles(session_id);
auto& session = impl->sessions[session_id.id];
auto& smmu = impl->host1x.MemoryManager();
if (session.has_preallocated_area) {

View file

@ -326,4 +326,17 @@ std::optional<NvMap::FreeInfo> NvMap::FreeHandle(Handle::Id handle, bool interna
return freeInfo;
}
void NvMap::UnmapAllHandles(NvCore::SessionId session_id) {
auto handles_copy = [&] {
std::scoped_lock lk{handles_lock};
return handles;
}();
for (auto& [id, handle] : handles_copy) {
if (handle->session_id.id == session_id.id) {
FreeHandle(id, false);
}
}
}
} // namespace Service::Nvidia::NvCore

View file

@ -152,6 +152,8 @@ public:
*/
std::optional<FreeInfo> FreeHandle(Handle::Id handle, bool internal_session);
void UnmapAllHandles(NvCore::SessionId session_id);
private:
std::list<std::shared_ptr<Handle>> unmap_queue{};
std::mutex unmap_queue_lock{}; //!< Protects access to `unmap_queue`