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KeWaitForMultipleObjects.

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This commit is contained in:
Ben Vanik
2014-01-05 01:49:10 -08:00
parent 372fd97821
commit bb41ab717b
3 changed files with 82 additions and 17 deletions
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40
src/xenia/kernel/xboxkrnl_threading.cc
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@@ -861,6 +861,45 @@ SHIM_CALL NtWaitForSingleObjectEx_shim(
}
SHIM_CALL KeWaitForMultipleObjects_shim(
PPCContext* ppc_state, KernelState* state) {
uint32_t count = SHIM_GET_ARG_32(0);
uint32_t objects_ptr = SHIM_GET_ARG_32(1);
uint32_t wait_type = SHIM_GET_ARG_32(2);
uint32_t wait_reason = SHIM_GET_ARG_32(3);
uint32_t processor_mode = SHIM_GET_ARG_32(4);
uint32_t alertable = SHIM_GET_ARG_32(5);
uint32_t timeout_ptr = SHIM_GET_ARG_32(6);
uint32_t wait_block_array_ptr = SHIM_GET_ARG_32(7);
XELOGD(
"KeWaitForMultipleObjects(%d, %.8X, %.8X, %.8X, %.8X, %.1X, %.8X, %.8X)",
count, objects_ptr, wait_type, wait_reason, processor_mode,
alertable, timeout_ptr, wait_block_array_ptr);
X_STATUS result = X_STATUS_SUCCESS;
XObject** objects = (XObject**)alloca(sizeof(XObject*) * count);
for (uint32_t n = 0; n < count; n++) {
uint32_t object_ptr_ptr = SHIM_MEM_32(objects_ptr + n * 4);
void* object_ptr = SHIM_MEM_ADDR(object_ptr_ptr);
objects[n] = XObject::GetObject(state, object_ptr);
if (!objects[n]) {
SHIM_SET_RETURN(X_STATUS_INVALID_PARAMETER);
return;
}
}
uint64_t timeout = timeout_ptr ? SHIM_MEM_64(timeout_ptr) : 0;
result = XObject::WaitMultiple(
count, objects,
wait_type, wait_reason, processor_mode, alertable,
timeout_ptr ? &timeout : NULL);
SHIM_SET_RETURN(result);
}
uint32_t xeKfAcquireSpinLock(void* lock_ptr) {
// Lock.
while (!xe_atomic_cas_32(0, 1, lock_ptr)) {
@@ -975,6 +1014,7 @@ void xe::kernel::xboxkrnl::RegisterThreadingExports(
SHIM_SET_MAPPING("xboxkrnl.exe", KeWaitForSingleObject, state);
SHIM_SET_MAPPING("xboxkrnl.exe", NtWaitForSingleObjectEx, state);
SHIM_SET_MAPPING("xboxkrnl.exe", KeWaitForMultipleObjects, state);
SHIM_SET_MAPPING("xboxkrnl.exe", KfAcquireSpinLock, state);
SHIM_SET_MAPPING("xboxkrnl.exe", KfReleaseSpinLock, state);