fdb6a5cfa3
This is a regression in functionality and performance, but a much better foundation for the future of the project (I think). It can run basic apps under an SSA interpreter but doesn't support some of the features required to do real 360 apps yet.
102 lines
2.7 KiB
C++
102 lines
2.7 KiB
C++
/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2013 Ben Vanik. All rights reserved. *
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* Released under the BSD license - see LICENSE in the root for more details. *
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******************************************************************************
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*/
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#include <xenia/kernel/xboxkrnl/xboxkrnl_ob.h>
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#include <xenia/kernel/shim_utils.h>
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#include <xenia/kernel/xboxkrnl/kernel_state.h>
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#include <xenia/kernel/xboxkrnl/xboxkrnl_private.h>
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#include <xenia/kernel/xboxkrnl/xobject.h>
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#include <xenia/kernel/xboxkrnl/objects/xthread.h>
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using namespace xe;
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using namespace xe::kernel;
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using namespace xe::kernel::xboxkrnl;
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namespace xe {
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namespace kernel {
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namespace xboxkrnl {
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SHIM_CALL ObReferenceObjectByHandle_shim(
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PPCContext* ppc_state, KernelState* state) {
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uint32_t handle = SHIM_GET_ARG_32(0);
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uint32_t object_type_ptr = SHIM_GET_ARG_32(1);
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uint32_t out_object_ptr = SHIM_GET_ARG_32(2);
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XELOGD(
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"ObReferenceObjectByHandle(%.8X, %.8X, %.8X)",
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handle,
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object_type_ptr,
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out_object_ptr);
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X_STATUS result = X_STATUS_INVALID_HANDLE;
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XObject* object = NULL;
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result = state->object_table()->GetObject(handle, &object);
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if (XSUCCEEDED(result)) {
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// TODO(benvanik): verify type with object_type_ptr
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// TODO(benvanik): get native value, if supported.
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uint32_t native_ptr = 0xDEADF00D;
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switch (object_type_ptr) {
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case 0xD01BBEEF: // ExThreadObjectType
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{
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XThread* thread = (XThread*)object;
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native_ptr = thread->thread_state();
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}
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break;
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}
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if (out_object_ptr) {
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SHIM_SET_MEM_32(out_object_ptr, native_ptr);
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}
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}
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SHIM_SET_RETURN(result);
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}
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SHIM_CALL ObDereferenceObject_shim(
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PPCContext* ppc_state, KernelState* state) {
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uint32_t native_ptr = SHIM_GET_ARG_32(0);
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XELOGD(
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"ObDereferenceObject(%.8X)",
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native_ptr);
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// Check if a dummy value from ObReferenceObjectByHandle.
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if (native_ptr == 0xDEADF00D) {
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SHIM_SET_RETURN(0);
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return;
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}
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void* object_ptr = SHIM_MEM_ADDR(native_ptr);
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XObject* object = XObject::GetObject(state, object_ptr);
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if (object) {
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object->Release();
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}
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SHIM_SET_RETURN(0);
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}
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} // namespace xboxkrnl
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} // namespace kernel
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} // namespace xe
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void xe::kernel::xboxkrnl::RegisterObExports(
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ExportResolver* export_resolver, KernelState* state) {
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SHIM_SET_MAPPING("xboxkrnl.exe", ObReferenceObjectByHandle, state);
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SHIM_SET_MAPPING("xboxkrnl.exe", ObDereferenceObject, state);
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}
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