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kern: Implement exception vector ASM

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This commit is contained in:
Michael Scire 2020-02-08 02:49:32 -08:00
parent e330b6187f
commit 919b8124dc
26 changed files with 1497 additions and 60 deletions
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51
libraries/libmesosphere/include/mesosphere/kern_k_thread.hpp
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@ -202,23 +202,57 @@ namespace ams::kern {
public:
ALWAYS_INLINE s32 GetDisableDispatchCount() const {
MESOSPHERE_ASSERT_THIS();
return GetStackParameters().disable_count;
return this->GetStackParameters().disable_count;
}
ALWAYS_INLINE void DisableDispatch() {
MESOSPHERE_ASSERT_THIS();
MESOSPHERE_ASSERT(GetCurrentThread().GetDisableDispatchCount() >= 0);
GetStackParameters().disable_count++;
this->GetStackParameters().disable_count++;
}
ALWAYS_INLINE void EnableDispatch() {
MESOSPHERE_ASSERT_THIS();
MESOSPHERE_ASSERT(GetCurrentThread().GetDisableDispatchCount() > 0);
GetStackParameters().disable_count--;
this->GetStackParameters().disable_count--;
}
ALWAYS_INLINE void SetInExceptionHandler() {
MESOSPHERE_ASSERT_THIS();
this->GetStackParameters().is_in_exception_handler = true;
}
ALWAYS_INLINE void ClearInExceptionHandler() {
MESOSPHERE_ASSERT_THIS();
this->GetStackParameters().is_in_exception_handler = false;
}
ALWAYS_INLINE bool IsInExceptionHandler() const {
MESOSPHERE_ASSERT_THIS();
return this->GetStackParameters().is_in_exception_handler;
}
ALWAYS_INLINE void RegisterDpc(DpcFlag flag) {
this->GetStackParameters().dpc_flags |= flag;
}
ALWAYS_INLINE void ClearDpc(DpcFlag flag) {
this->GetStackParameters().dpc_flags &= ~flag;
}
ALWAYS_INLINE u8 GetDpc() const {
return this->GetStackParameters().dpc_flags;
}
ALWAYS_INLINE bool HasDpc() const {
MESOSPHERE_ASSERT_THIS();
return this->GetDpc() != 0;;
}
private:
void Suspend();
public:
constexpr KThreadContext *GetContext() { return std::addressof(this->thread_context); }
constexpr const KThreadContext *GetContext() const { return std::addressof(this->thread_context); }
constexpr const KAffinityMask &GetAffinityMask() const { return this->affinity_mask; }
constexpr ThreadState GetState() const { return static_cast<ThreadState>(this->thread_state & ThreadState_Mask); }
constexpr ThreadState GetRawState() const { return this->thread_state; }
@ -248,6 +282,9 @@ namespace ams::kern {
constexpr KProcessAddress GetThreadLocalRegionAddress() const { return this->tls_address; }
constexpr void *GetThreadLocalRegionHeapAddress() const { return this->tls_heap_address; }
constexpr u16 GetUserPreemptionState() const { return *GetPointer<u16>(this->tls_address + 0x100); }
constexpr void SetKernelPreemptionState(u16 state) const { *GetPointer<u16>(this->tls_address + 0x100 + sizeof(u16)) = state; }
void AddCpuTime(s64 amount) {
this->cpu_time += amount;
}
@ -267,14 +304,6 @@ namespace ams::kern {
/* TODO: This is kind of a placeholder definition. */
ALWAYS_INLINE bool IsInExceptionHandler() const {
return GetStackParameters().is_in_exception_handler;
}
ALWAYS_INLINE void SetInExceptionHandler() {
GetStackParameters().is_in_exception_handler = true;
}
ALWAYS_INLINE bool IsTerminationRequested() const {
return this->termination_requested || this->GetRawState() == ThreadState_Terminated;
}