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Misc threading fixes and flags to ignore priorities/affinities.

This commit is contained in:
Ben Vanik 2015-05-21 22:33:29 -07:00
parent 37f1953466
commit 4d41840728
3 changed files with 16 additions and 5 deletions
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17
src/xenia/kernel/objects/xthread.cc
View File

@ -18,6 +18,11 @@
#include "xenia/kernel/objects/xuser_module.h"
#include "xenia/profiling.h"
DEFINE_bool(ignore_thread_priorities, true,
"Ignores game-specified thread priorities.");
DEFINE_bool(ignore_thread_affinities, true,
"Ignores game-specified thread affinities.");
namespace xe {
namespace kernel {
@ -537,9 +542,9 @@ int32_t XThread::QueryPriority() { return GetThreadPriority(thread_handle_); }
void XThread::SetPriority(int32_t increment) {
int target_priority = 0;
if (increment > 0x11) {
if (increment > 0x22) {
target_priority = THREAD_PRIORITY_HIGHEST;
} else if (increment > 0) {
} else if (increment > 0x11) {
target_priority = THREAD_PRIORITY_ABOVE_NORMAL;
} else if (increment < -0x22) {
target_priority = THREAD_PRIORITY_IDLE;
@ -548,7 +553,9 @@ void XThread::SetPriority(int32_t increment) {
} else {
target_priority = THREAD_PRIORITY_NORMAL;
}
SetThreadPriority(thread_handle_, target_priority);
if (!FLAGS_ignore_thread_priorities) {
SetThreadPriority(thread_handle_, target_priority);
}
}
void XThread::SetAffinity(uint32_t affinity) {
@ -567,7 +574,9 @@ void XThread::SetAffinity(uint32_t affinity) {
if (system_info.dwNumberOfProcessors < 6) {
XELOGW("Too few processors - scheduling will be wonky");
}
SetThreadAffinityMask(reinterpret_cast<HANDLE>(thread_handle_), affinity);
if (!FLAGS_ignore_thread_affinities) {
SetThreadAffinityMask(reinterpret_cast<HANDLE>(thread_handle_), affinity);
}
}
X_STATUS XThread::Resume(uint32_t* out_suspend_count) {

2
src/xenia/kernel/xboxkrnl_rtl.cc
View File

@ -547,7 +547,7 @@ spin:
// TODO(benvanik): contention - do a real wait!
// XELOGE("RtlEnterCriticalSection tried to really lock!");
spin_wait_remaining = 0; // HACK: spin forever
Sleep(1);
SwitchToThread();
goto spin;
}

2
src/xenia/kernel/xboxkrnl_threading.cc
View File

@ -260,11 +260,13 @@ SHIM_CALL KeSetBasePriorityThread_shim(PPCContext* ppc_state,
XELOGD("KeSetBasePriorityThread - Interpreting thread ptr as handle!");
} else {
thread = (XThread*)XObject::GetObject(state, SHIM_MEM_ADDR(thread_ptr));
thread->Retain();
}
if (thread) {
prev_priority = thread->QueryPriority();
thread->SetPriority(increment);
thread->Release();
}
SHIM_SET_RETURN_32(prev_priority);