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[Kernel] Thread affinity cleanup

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Triang3l
2020-11-14 18:09:47 +03:00
parent 2dc6b0b2ad
commit a319617185
3 changed files with 53 additions and 48 deletions
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10
src/xenia/kernel/xboxkrnl/xboxkrnl_threading.cc
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@@ -224,17 +224,17 @@ DECLARE_XBOXKRNL_EXPORT1(KeSetCurrentStackPointers, kThreading, kImplemented);
dword_result_t KeSetAffinityThread(lpvoid_t thread_ptr, dword_t affinity,
lpdword_t previous_affinity_ptr) {
// Xbox 360 uses additional parameter (in comparation to NT equivalent)
// which is used only for returning previous thread affinity. (Based on code
// dissasembly)
// The Xbox 360, according to disassembly of KeSetAffinityThread, unlike
// Windows NT, stores the previous affinity via the pointer provided as an
// argument, not in the return value - the return value is used for the
// result.
if (!affinity) {
return X_STATUS_INVALID_PARAMETER;
}
auto thread = XObject::GetNativeObject<XThread>(kernel_state(), thread_ptr);
if (thread) {
if (previous_affinity_ptr) {
*previous_affinity_ptr = 1 << thread->active_cpu();
*previous_affinity_ptr = uint32_t(1) << thread->active_cpu();
}
thread->SetAffinity(affinity);
}