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pm: update to reflect 17.0.0 internal design changes

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This commit is contained in:
Michael Scire 2023-10-26 14:44:32 -07:00
parent 274f6b63f2
commit 0c3afff4d3
13 changed files with 428 additions and 332 deletions
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81
stratosphere/pm/source/impl/pm_process_info.cpp
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@ -18,6 +18,64 @@
namespace ams::pm::impl {
namespace {
template<size_t MaxProcessInfos>
class ProcessInfoAllocator {
NON_COPYABLE(ProcessInfoAllocator);
NON_MOVEABLE(ProcessInfoAllocator);
static_assert(MaxProcessInfos >= 0x40, "MaxProcessInfos is too small.");
private:
util::TypedStorage<ProcessInfo> m_process_info_storages[MaxProcessInfos]{};
bool m_process_info_allocated[MaxProcessInfos]{};
os::SdkMutex m_lock{};
private:
constexpr inline size_t GetProcessInfoIndex(ProcessInfo *process_info) const {
return process_info - GetPointer(m_process_info_storages[0]);
}
public:
constexpr ProcessInfoAllocator() = default;
template<typename... Args>
ProcessInfo *AllocateProcessInfo(Args &&... args) {
std::scoped_lock lk(m_lock);
for (size_t i = 0; i < MaxProcessInfos; i++) {
if (!m_process_info_allocated[i]) {
m_process_info_allocated[i] = true;
std::memset(m_process_info_storages + i, 0, sizeof(m_process_info_storages[i]));
return util::ConstructAt(m_process_info_storages[i], std::forward<Args>(args)...);
}
}
return nullptr;
}
void FreeProcessInfo(ProcessInfo *process_info) {
std::scoped_lock lk(m_lock);
const size_t index = this->GetProcessInfoIndex(process_info);
AMS_ABORT_UNLESS(index < MaxProcessInfos);
AMS_ABORT_UNLESS(m_process_info_allocated[index]);
util::DestroyAt(m_process_info_storages[index]);
m_process_info_allocated[index] = false;
}
};
/* Process lists. */
constinit ProcessList g_process_list;
constinit ProcessList g_exit_list;
/* Process Info Allocation. */
/* Note: The kernel slabheap is size 0x50 -- we allow slightly larger to account for the dead process list. */
constexpr size_t MaxProcessCount = 0x60;
constinit ProcessInfoAllocator<MaxProcessCount> g_process_info_allocator;
}
ProcessInfo::ProcessInfo(os::NativeHandle h, os::ProcessId pid, ldr::PinId pin, const ncm::ProgramLocation &l, const cfg::OverrideStatus &s) : m_process_id(pid), m_pin_id(pin), m_loc(l), m_status(s), m_handle(h), m_state(svc::ProcessState_Created), m_flags(0) {
os::InitializeMultiWaitHolder(std::addressof(m_multi_wait_holder), m_handle);
os::SetMultiWaitHolderUserData(std::addressof(m_multi_wait_holder), reinterpret_cast<uintptr_t>(this));
@ -37,10 +95,27 @@ namespace ams::pm::impl {
/* Close the process's handle. */
os::CloseNativeHandle(m_handle);
m_handle = os::InvalidNativeHandle;
/* Unlink the process from its multi wait. */
os::UnlinkMultiWaitHolder(std::addressof(m_multi_wait_holder));
}
}
ProcessListAccessor GetProcessList() {
return ProcessListAccessor(g_process_list);
}
ProcessListAccessor GetExitList() {
return ProcessListAccessor(g_exit_list);
}
ProcessInfo *AllocateProcessInfo(svc::Handle process_handle, os::ProcessId process_id, ldr::PinId pin_id, const ncm::ProgramLocation &location, const cfg::OverrideStatus &override_status) {
return g_process_info_allocator.AllocateProcessInfo(process_handle, process_id, pin_id, location, override_status);
}
void CleanupProcessInfo(ProcessListAccessor &list, ProcessInfo *process_info) {
/* Remove the process from the list. */
list->Remove(process_info);
/* Delete the process. */
g_process_info_allocator.FreeProcessInfo(process_info);
}
}