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Code Issues Releases Activity

Add KThread::StackParameters

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TuxSH 2018-11-05 11:32:03 +01:00 committed by Michael Scire
parent e57203a7d4
commit dffb233423
1 changed files with 39 additions and 2 deletions
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41
mesosphere/include/mesosphere/threading/KThread.hpp
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@ -13,6 +13,8 @@
namespace mesosphere
{
struct KThreadContext;
struct ThreadWaitListTag;
struct ThreadMutexWaitListTag;
using ThreadWaitListBaseHook = boost::intrusive::list_base_hook<boost::intrusive::tag<ThreadWaitListTag> >;
@ -29,9 +31,35 @@ class KThread final :
public:
MESOSPHERE_AUTO_OBJECT_TRAITS(AutoObject, Thread);
virtual bool IsAlive() const override;
virtual void OnAlarm() override;
class StackParameters {
public:
StackParameters(std::array<u64, 4> svcPermissionMask, KThreadContext *threadCtx) :
svcPermissionMask{svcPermissionMask}, threadCtx{threadCtx} {}
void Initialize(std::array<u64, 4> svcPermissionMask, KThreadContext *threadCtx)
{
*this = StackParameters{svcPermissionMask, threadCtx};
}
constexpr bool IsExecutingSvc() const { return isExecutingSvc; }
constexpr u8 GetCurrentSvcId() const { return currentSvcId; }
constexpr uint GetBottomHalfLockCount() const { return bottomHalfLockCount; }
void IncrementBottomHalfLockCount() { ++bottomHalfLockCount; }
void DecrementBottomHalfLockCount() { --bottomHalfLockCount; }
KThreadContext *GetThreadContext() const { return threadCtx; }
private:
std::array<u64, 4> svcPermissionMask[256/64]{};
u8 stateFlags = 0;
u8 currentSvcId = 0;
bool isExecutingSvc = false;
bool isNotStarted = true;
uint bottomHalfLockCount = 1;
KThreadContext *threadCtx = nullptr;
};
struct SchedulerValueTraits {
using node_traits = boost::intrusive::list_node_traits<KThread *>;
@ -94,6 +122,9 @@ class KThread final :
public:
virtual bool IsAlive() const override;
virtual void OnAlarm() override;
static constexpr uint GetPriorityOf(const KThread &thread)
{
return thread.priority;
@ -105,6 +136,11 @@ class KThread final :
constexpr ulong GetAffinityMask() const { return affinityMask; }
constexpr long GetLastScheduledTime() const { return lastScheduledTime; }
StackParameters &GetStackParameters()
{
return *(StackParameters *)(kernelStackTop - sizeof(StackParameters));
}
KProcess *GetOwner() const { return owner; }
bool IsSchedulerOperationRedundant() const { return owner != nullptr && owner->GetSchedulerOperationCount() == redundantSchedulerOperationCount; }
@ -256,6 +292,7 @@ private:
KThread *wantedMutexOwner = nullptr;
MutexWaitList mutexWaitList{};
size_t numKernelMutexWaiters = 0;
uiptr kernelStackTop = 0;
KSynchronizationObject *signaledSyncObject = nullptr;
Result syncResult = ResultSuccess{};