KeDelayExecutionThread.

This commit is contained in:
Ben Vanik 2013-10-22 23:22:30 -07:00
parent d9a55a5557
commit 2a8a19e4be
4 changed files with 58 additions and 0 deletions

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@ -348,3 +348,29 @@ uint32_t XThread::RaiseIrql(uint32_t new_irql) {
void XThread::LowerIrql(uint32_t new_irql) {
irql_ = new_irql;
}
X_STATUS XThread::Delay(
uint32_t processor_mode, uint32_t alertable, uint64_t interval) {
int64_t timeout_ticks = interval;
DWORD timeout_ms;
if (timeout_ticks > 0) {
// Absolute time, based on January 1, 1601.
// TODO(benvanik): convert time to relative time.
XEASSERTALWAYS();
timeout_ms = 0;
} else if (timeout_ticks < 0) {
// Relative time.
timeout_ms = (DWORD)(-timeout_ticks / 10000); // Ticks -> MS
} else {
timeout_ms = 0;
}
DWORD result = SleepEx(timeout_ms, alertable ? TRUE : FALSE);
switch (result) {
case 0:
return X_STATUS_SUCCESS;
case WAIT_IO_COMPLETION:
return X_STATUS_USER_APC;
default:
return X_STATUS_ALERTED;
}
}

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@ -61,6 +61,9 @@ public:
uint32_t RaiseIrql(uint32_t new_irql);
void LowerIrql(uint32_t new_irql);
X_STATUS Delay(
uint32_t processor_mode, uint32_t alertable, uint64_t interval);
private:
X_STATUS PlatformCreate();
void PlatformDestroy();

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@ -205,6 +205,31 @@ SHIM_CALL KeQueryPerformanceFrequency_shim(
}
X_STATUS xeKeDelayExecutionThread(
uint32_t processor_mode, uint32_t alertable, uint64_t interval) {
XThread* thread = XThread::GetCurrentThread();
return thread->Delay(processor_mode, alertable, interval);
}
SHIM_CALL KeDelayExecutionThread_shim(
xe_ppc_state_t* ppc_state, KernelState* state) {
uint32_t processor_mode = SHIM_GET_ARG_32(0);
uint32_t alertable = SHIM_GET_ARG_32(1);
uint32_t interval_ptr = SHIM_GET_ARG_32(2);
uint64_t interval = SHIM_MEM_64(interval_ptr);
XELOGD(
"KeDelayExecutionThread(%.8X, %d, %.8X(%.16llX)",
processor_mode, alertable, interval_ptr, interval);
X_STATUS result = xeKeDelayExecutionThread(
processor_mode, alertable, interval);
SHIM_SET_RETURN(result);
}
void xeKeQuerySystemTime(uint64_t* time_ptr) {
FILETIME t;
GetSystemTimeAsFileTime(&t);
@ -654,6 +679,7 @@ void xe::kernel::xboxkrnl::RegisterThreadingExports(
SHIM_SET_MAPPING("xboxkrnl.exe", KeGetCurrentProcessType, state);
SHIM_SET_MAPPING("xboxkrnl.exe", KeQueryPerformanceFrequency, state);
SHIM_SET_MAPPING("xboxkrnl.exe", KeDelayExecutionThread, state);
SHIM_SET_MAPPING("xboxkrnl.exe", KeQuerySystemTime, state);
SHIM_SET_MAPPING("xboxkrnl.exe", KeTlsAlloc, state);

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@ -33,6 +33,9 @@ uint32_t xeKeGetCurrentProcessType();
uint64_t xeKeQueryPerformanceFrequency();
void xeKeQuerySystemTime(uint64_t* time_ptr);
X_STATUS xeKeDelayExecutionThread(
uint32_t processor_mode, uint32_t alertable, uint64_t interval);
uint32_t xeKeTlsAlloc();
int KeTlsFree(uint32_t tls_index);
uint64_t xeKeTlsGetValue(uint32_t tls_index);