1025 lines
25 KiB
C++
1025 lines
25 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_threading.h>
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#include <xenia/kernel/kernel_state.h>
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#include <xenia/kernel/xboxkrnl_private.h>
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#include <xenia/kernel/objects/xevent.h>
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#include <xenia/kernel/objects/xsemaphore.h>
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#include <xenia/kernel/objects/xthread.h>
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#include <xenia/kernel/util/shim_utils.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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// r13 + 0x100: pointer to thread local state
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// Thread local state:
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// 0x058: kernel time
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// 0x14C: thread id
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// 0x150: if >0 then error states don't get set
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// 0x160: last error
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// GetCurrentThreadId:
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// lwz r11, 0x100(r13)
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// lwz r3, 0x14C(r11)
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// RtlGetLastError:
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// lwz r11, 0x150(r13)
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// if (r11 != 0) {
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// lwz r11, 0x100(r13)
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// stw r3, 0x160(r11)
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// }
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// RtlSetLastError:
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// lwz r11, 0x150(r13)
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// if (r11 != 0) {
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// lwz r11, 0x100(r13)
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// stw r3, 0x160(r11)
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// }
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// RtlSetLastNTError:
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// r3 = RtlNtStatusToDosError(r3)
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// lwz r11, 0x150(r13)
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// if (r11 != 0) {
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// lwz r11, 0x100(r13)
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// stw r3, 0x160(r11)
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// }
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X_STATUS xeExCreateThread(
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uint32_t* handle_ptr, uint32_t stack_size, uint32_t* thread_id_ptr,
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uint32_t xapi_thread_startup,
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uint32_t start_address, uint32_t start_context, uint32_t creation_flags) {
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KernelState* state = shared_kernel_state_;
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XEASSERTNOTNULL(state);
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// DWORD
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// LPHANDLE Handle,
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// DWORD StackSize,
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// LPDWORD ThreadId,
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// LPVOID XapiThreadStartup, ?? often 0
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// LPVOID StartAddress,
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// LPVOID StartContext,
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// DWORD CreationFlags // 0x80?
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XThread* thread = new XThread(
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state, stack_size, xapi_thread_startup, start_address, start_context,
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creation_flags);
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X_STATUS result_code = thread->Create();
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if (XFAILED(result_code)) {
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// Failed!
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thread->Release();
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XELOGE("Thread creation failed: %.8X", result_code);
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return result_code;
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}
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if (handle_ptr) {
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*handle_ptr = thread->handle();
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}
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if (thread_id_ptr) {
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*thread_id_ptr = thread->thread_id();
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}
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return result_code;
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}
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SHIM_CALL ExCreateThread_shim(
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PPCContext* ppc_state, KernelState* state) {
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uint32_t handle_ptr = SHIM_GET_ARG_32(0);
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uint32_t stack_size = SHIM_GET_ARG_32(1);
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uint32_t thread_id_ptr = SHIM_GET_ARG_32(2);
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uint32_t xapi_thread_startup = SHIM_GET_ARG_32(3);
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uint32_t start_address = SHIM_GET_ARG_32(4);
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uint32_t start_context = SHIM_GET_ARG_32(5);
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uint32_t creation_flags = SHIM_GET_ARG_32(6);
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XELOGD(
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"ExCreateThread(%.8X, %d, %.8X, %.8X, %.8X, %.8X, %.8X)",
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handle_ptr,
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stack_size,
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thread_id_ptr,
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xapi_thread_startup,
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start_address,
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start_context,
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creation_flags);
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uint32_t handle;
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uint32_t thread_id;
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X_STATUS result = xeExCreateThread(
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&handle, stack_size, &thread_id, xapi_thread_startup,
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start_address, start_context, creation_flags);
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if (XSUCCEEDED(result)) {
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if (handle_ptr) {
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SHIM_SET_MEM_32(handle_ptr, handle);
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}
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if (thread_id_ptr) {
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SHIM_SET_MEM_32(thread_id_ptr, thread_id);
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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 ExTerminateThread_shim(
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PPCContext* ppc_state, KernelState* state) {
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uint32_t exit_code = SHIM_GET_ARG_32(0);
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XELOGD(
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"ExTerminateThread(%d)",
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exit_code);
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XThread* thread = XThread::GetCurrentThread();
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// NOTE: this kills us right now. We won't return from it.
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X_STATUS result = thread->Exit(exit_code);
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SHIM_SET_RETURN(result);
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}
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X_STATUS xeNtResumeThread(uint32_t handle, uint32_t* out_suspend_count) {
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KernelState* state = shared_kernel_state_;
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XEASSERTNOTNULL(state);
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X_STATUS result = X_STATUS_SUCCESS;
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XThread* thread = NULL;
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result = state->object_table()->GetObject(
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handle, (XObject**)&thread);
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if (XSUCCEEDED(result)) {
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result = thread->Resume(out_suspend_count);
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thread->Release();
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}
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return result;
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}
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SHIM_CALL NtResumeThread_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 suspend_count_ptr = SHIM_GET_ARG_32(1);
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XELOGD(
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"NtResumeThread(%.8X, %.8X)",
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handle,
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suspend_count_ptr);
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uint32_t suspend_count;
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X_STATUS result = xeNtResumeThread(handle, &suspend_count);
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if (XSUCCEEDED(result)) {
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if (suspend_count_ptr) {
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SHIM_SET_MEM_32(suspend_count_ptr, suspend_count);
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}
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}
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SHIM_SET_RETURN(result);
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}
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X_STATUS xeKeResumeThread(void* thread_ptr, uint32_t* out_suspend_count) {
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KernelState* state = shared_kernel_state_;
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XEASSERTNOTNULL(state);
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X_STATUS result = X_STATUS_SUCCESS;
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XThread* thread = (XThread*)XObject::GetObject(state, thread_ptr);
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if (thread) {
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result = thread->Resume(out_suspend_count);
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}
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return result;
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}
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SHIM_CALL KeResumeThread_shim(
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PPCContext* ppc_state, KernelState* state) {
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uint32_t thread = SHIM_GET_ARG_32(0);
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uint32_t suspend_count_ptr = SHIM_GET_ARG_32(1);
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XELOGD(
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"KeResumeThread(%.8X, %.8X)",
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thread,
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suspend_count_ptr);
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void* thread_ptr = SHIM_MEM_ADDR(thread);
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uint32_t suspend_count;
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X_STATUS result = xeKeResumeThread(thread_ptr, &suspend_count);
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if (XSUCCEEDED(result)) {
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if (suspend_count_ptr) {
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SHIM_SET_MEM_32(suspend_count_ptr, suspend_count);
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}
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}
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SHIM_SET_RETURN(result);
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}
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uint32_t xeKeSetAffinityThread(void* thread_ptr, uint32_t affinity) {
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KernelState* state = shared_kernel_state_;
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XEASSERTNOTNULL(state);
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XThread* thread = (XThread*)XObject::GetObject(state, thread_ptr);
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if (thread) {
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// TODO(benvanik): implement.
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XELOGW("KeSetAffinityThread not implemented");
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}
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return affinity;
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}
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SHIM_CALL KeSetAffinityThread_shim(
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PPCContext* ppc_state, KernelState* state) {
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uint32_t thread = SHIM_GET_ARG_32(0);
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uint32_t affinity = SHIM_GET_ARG_32(1);
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XELOGD(
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"KeSetAffinityThread(%.8X, %.8X)",
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thread,
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affinity);
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void* thread_ptr = SHIM_MEM_ADDR(thread);
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uint32_t result = xeKeSetAffinityThread(thread_ptr, affinity);
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SHIM_SET_RETURN(result);
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}
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uint32_t xeKeSetBasePriorityThread(void* thread_ptr, int32_t increment) {
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KernelState* state = shared_kernel_state_;
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XEASSERTNOTNULL(state);
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int32_t prev_priority = 0;
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XThread* thread = (XThread*)XObject::GetObject(state, thread_ptr);
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if (thread) {
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// TODO(benvanik): implement.
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XELOGW("KeSetBasePriority not implemented");
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}
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return prev_priority;
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}
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SHIM_CALL KeSetBasePriorityThread_shim(
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PPCContext* ppc_state, KernelState* state) {
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uint32_t thread = SHIM_GET_ARG_32(0);
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uint32_t increment = SHIM_GET_ARG_32(1);
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XELOGD(
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"KeSetBasePriorityThread(%.8X, %.8X)",
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thread,
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increment);
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void* thread_ptr = SHIM_MEM_ADDR(thread);
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uint32_t result = xeKeSetBasePriorityThread(thread_ptr, increment);
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SHIM_SET_RETURN(result);
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}
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uint32_t xeKeGetCurrentProcessType() {
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KernelState* state = shared_kernel_state_;
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XEASSERTNOTNULL(state);
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// DWORD
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return X_PROCTYPE_USER;
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}
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SHIM_CALL KeGetCurrentProcessType_shim(
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PPCContext* ppc_state, KernelState* state) {
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XELOGD(
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"KeGetCurrentProcessType()");
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int result = xeKeGetCurrentProcessType();
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SHIM_SET_RETURN(result);
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}
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uint64_t xeKeQueryPerformanceFrequency() {
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LARGE_INTEGER frequency;
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if (QueryPerformanceFrequency(&frequency)) {
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return frequency.QuadPart;
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} else {
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return 0;
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}
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}
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SHIM_CALL KeQueryPerformanceFrequency_shim(
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PPCContext* ppc_state, KernelState* state) {
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XELOGD(
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"KeQueryPerformanceFrequency()");
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uint64_t result = xeKeQueryPerformanceFrequency();
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SHIM_SET_RETURN(result);
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}
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X_STATUS xeKeDelayExecutionThread(
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uint32_t processor_mode, uint32_t alertable, uint64_t interval) {
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XThread* thread = XThread::GetCurrentThread();
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return thread->Delay(processor_mode, alertable, interval);
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}
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SHIM_CALL KeDelayExecutionThread_shim(
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PPCContext* ppc_state, KernelState* state) {
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uint32_t processor_mode = SHIM_GET_ARG_32(0);
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uint32_t alertable = SHIM_GET_ARG_32(1);
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uint32_t interval_ptr = SHIM_GET_ARG_32(2);
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uint64_t interval = SHIM_MEM_64(interval_ptr);
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XELOGD(
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"KeDelayExecutionThread(%.8X, %d, %.8X(%.16llX)",
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processor_mode, alertable, interval_ptr, interval);
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X_STATUS result = xeKeDelayExecutionThread(
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processor_mode, alertable, interval);
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SHIM_SET_RETURN(result);
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}
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void xeKeQuerySystemTime(uint64_t* time_ptr) {
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FILETIME t;
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GetSystemTimeAsFileTime(&t);
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*time_ptr = ((uint64_t)t.dwHighDateTime << 32) | t.dwLowDateTime;
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}
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SHIM_CALL KeQuerySystemTime_shim(
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PPCContext* ppc_state, KernelState* state) {
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uint32_t time_ptr = SHIM_GET_ARG_32(0);
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XELOGD(
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"KeQuerySystemTime(%.8X)",
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time_ptr);
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uint64_t time;
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xeKeQuerySystemTime(&time);
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if (time_ptr) {
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SHIM_SET_MEM_64(time_ptr, time);
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}
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}
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// The TLS system used here is a bit hacky, but seems to work.
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// Both Win32 and pthreads use unsigned longs as TLS indices, so we can map
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// right into the system for these calls. We're just round tripping the IDs and
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// hoping for the best.
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// http://msdn.microsoft.com/en-us/library/ms686801
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uint32_t xeKeTlsAlloc() {
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// DWORD
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uint32_t tls_index;
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#if XE_PLATFORM(WIN32)
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tls_index = TlsAlloc();
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#else
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pthread_key_t key;
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if (pthread_key_create(&key, NULL)) {
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tls_index = X_TLS_OUT_OF_INDEXES;
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} else {
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tls_index = (uint32_t)key;
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}
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#endif // WIN32
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return tls_index;
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}
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SHIM_CALL KeTlsAlloc_shim(
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PPCContext* ppc_state, KernelState* state) {
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XELOGD(
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"KeTlsAlloc()");
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uint32_t result = xeKeTlsAlloc();
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SHIM_SET_RETURN(result);
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}
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// http://msdn.microsoft.com/en-us/library/ms686804
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int KeTlsFree(uint32_t tls_index) {
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// BOOL
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// _In_ DWORD dwTlsIndex
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if (tls_index == X_TLS_OUT_OF_INDEXES) {
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return 0;
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}
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int result_code = 0;
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#if XE_PLATFORM(WIN32)
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result_code = TlsFree(tls_index);
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#else
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result_code = pthread_key_delete(tls_index) == 0;
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#endif // WIN32
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return result_code;
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}
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SHIM_CALL KeTlsFree_shim(
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PPCContext* ppc_state, KernelState* state) {
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uint32_t tls_index = SHIM_GET_ARG_32(0);
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XELOGD(
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"KeTlsFree(%.8X)",
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tls_index);
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int result = xeKeTlsAlloc();
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SHIM_SET_RETURN(result);
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}
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// http://msdn.microsoft.com/en-us/library/ms686812
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uint64_t xeKeTlsGetValue(uint32_t tls_index) {
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// LPVOID
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// _In_ DWORD dwTlsIndex
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uint64_t value = 0;
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#if XE_PLATFORM(WIN32)
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value = (uint64_t)TlsGetValue(tls_index);
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#else
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value = (uint64_t)pthread_getspecific(tls_index);
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#endif // WIN32
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if (!value) {
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XELOGW("KeTlsGetValue should SetLastError if result is NULL");
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// TODO(benvanik): SetLastError
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}
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return value;
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}
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SHIM_CALL KeTlsGetValue_shim(
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PPCContext* ppc_state, KernelState* state) {
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uint32_t tls_index = SHIM_GET_ARG_32(0);
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XELOGD(
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"KeTlsGetValue(%.8X)",
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tls_index);
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uint64_t result = xeKeTlsGetValue(tls_index);
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SHIM_SET_RETURN(result);
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}
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// http://msdn.microsoft.com/en-us/library/ms686818
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int xeKeTlsSetValue(uint32_t tls_index, uint64_t tls_value) {
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// BOOL
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// _In_ DWORD dwTlsIndex,
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// _In_opt_ LPVOID lpTlsValue
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int result_code = 0;
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#if XE_PLATFORM(WIN32)
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result_code = TlsSetValue(tls_index, (LPVOID)tls_value);
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#else
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result_code = pthread_setspecific(tls_index, (void*)tls_value) == 0;
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#endif // WIN32
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return result_code;
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}
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SHIM_CALL KeTlsSetValue_shim(
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PPCContext* ppc_state, KernelState* state) {
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uint32_t tls_index = SHIM_GET_ARG_32(0);
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uint32_t tls_value = SHIM_GET_ARG_32(1);
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XELOGD(
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"KeTlsSetValue(%.8X, %.8X)",
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tls_index, tls_value);
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int result = xeKeTlsSetValue(tls_index, tls_value);
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SHIM_SET_RETURN(result);
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}
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X_STATUS xeNtCreateEvent(uint32_t* handle_ptr, void* obj_attributes,
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uint32_t event_type, uint32_t initial_state) {
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KernelState* state = shared_kernel_state_;
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XEASSERTNOTNULL(state);
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XEvent* ev = new XEvent(state);
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ev->Initialize(!event_type, !!initial_state);
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// obj_attributes may have a name inside of it, if != NULL.
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if (obj_attributes) {
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//ev->SetName(...);
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}
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*handle_ptr = ev->handle();
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return X_STATUS_SUCCESS;
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}
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SHIM_CALL NtCreateEvent_shim(
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PPCContext* ppc_state, KernelState* state) {
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uint32_t handle_ptr = SHIM_GET_ARG_32(0);
|
|
uint32_t obj_attributes_ptr = SHIM_GET_ARG_32(1);
|
|
uint32_t event_type = SHIM_GET_ARG_32(2);
|
|
uint32_t initial_state = SHIM_GET_ARG_32(3);
|
|
|
|
XELOGD(
|
|
"NtCreateEvent(%.8X, %.8X, %d, %d)",
|
|
handle_ptr, obj_attributes_ptr, event_type, initial_state);
|
|
|
|
uint32_t handle;
|
|
X_STATUS result = xeNtCreateEvent(
|
|
&handle, SHIM_MEM_ADDR(obj_attributes_ptr),
|
|
event_type, initial_state);
|
|
|
|
if (XSUCCEEDED(result)) {
|
|
if (handle_ptr) {
|
|
SHIM_SET_MEM_32(handle_ptr, handle);
|
|
}
|
|
}
|
|
SHIM_SET_RETURN(result);
|
|
}
|
|
|
|
|
|
int32_t xeKeSetEvent(void* event_ptr, uint32_t increment, uint32_t wait) {
|
|
KernelState* state = shared_kernel_state_;
|
|
XEASSERTNOTNULL(state);
|
|
|
|
XEvent* ev = (XEvent*)XObject::GetObject(state, event_ptr);
|
|
XEASSERTNOTNULL(ev);
|
|
if (!ev) {
|
|
return 0;
|
|
}
|
|
|
|
return ev->Set(increment, !!wait);
|
|
}
|
|
|
|
|
|
SHIM_CALL KeSetEvent_shim(
|
|
PPCContext* ppc_state, KernelState* state) {
|
|
uint32_t event_ref = SHIM_GET_ARG_32(0);
|
|
uint32_t increment = SHIM_GET_ARG_32(1);
|
|
uint32_t wait = SHIM_GET_ARG_32(2);
|
|
|
|
XELOGD(
|
|
"KeSetEvent(%.8X, %.8X, %.8X)",
|
|
event_ref, increment, wait);
|
|
|
|
void* event_ptr = SHIM_MEM_ADDR(event_ref);
|
|
int32_t result = xeKeSetEvent(event_ptr, increment, wait);
|
|
|
|
SHIM_SET_RETURN(result);
|
|
}
|
|
|
|
|
|
SHIM_CALL NtSetEvent_shim(
|
|
PPCContext* ppc_state, KernelState* state) {
|
|
uint32_t event_handle = SHIM_GET_ARG_32(0);
|
|
uint32_t previous_state_ptr = SHIM_GET_ARG_32(1);
|
|
|
|
XELOGD(
|
|
"NtSetEvent(%.8X, %.8X)",
|
|
event_handle, previous_state_ptr);
|
|
|
|
X_STATUS result = X_STATUS_SUCCESS;
|
|
|
|
XEvent* ev = NULL;
|
|
result = state->object_table()->GetObject(
|
|
event_handle, (XObject**)&ev);
|
|
if (XSUCCEEDED(result)) {
|
|
int32_t was_signalled = ev->Set(0, false);
|
|
if (previous_state_ptr) {
|
|
SHIM_SET_MEM_32(previous_state_ptr, was_signalled);
|
|
}
|
|
|
|
ev->Release();
|
|
}
|
|
|
|
SHIM_SET_RETURN(result);
|
|
}
|
|
|
|
|
|
int32_t xeKeResetEvent(void* event_ptr) {
|
|
KernelState* state = shared_kernel_state_;
|
|
XEASSERTNOTNULL(state);
|
|
|
|
XEvent* ev = (XEvent*)XEvent::GetObject(state, event_ptr);
|
|
XEASSERTNOTNULL(ev);
|
|
if (!ev) {
|
|
return 0;
|
|
}
|
|
|
|
return ev->Reset();
|
|
}
|
|
|
|
|
|
SHIM_CALL KeResetEvent_shim(
|
|
PPCContext* ppc_state, KernelState* state) {
|
|
uint32_t event_ref = SHIM_GET_ARG_32(0);
|
|
|
|
XELOGD(
|
|
"KeResetEvent(%.8X)",
|
|
event_ref);
|
|
|
|
void* event_ptr = SHIM_MEM_ADDR(event_ref);
|
|
int32_t result = xeKeResetEvent(event_ptr);
|
|
|
|
SHIM_SET_RETURN(result);
|
|
}
|
|
|
|
|
|
SHIM_CALL NtClearEvent_shim(
|
|
PPCContext* ppc_state, KernelState* state) {
|
|
uint32_t event_handle = SHIM_GET_ARG_32(0);
|
|
|
|
XELOGD(
|
|
"NtClearEvent(%.8X)",
|
|
event_handle);
|
|
|
|
X_STATUS result = X_STATUS_SUCCESS;
|
|
|
|
XEvent* ev = NULL;
|
|
result = state->object_table()->GetObject(
|
|
event_handle, (XObject**)&ev);
|
|
if (XSUCCEEDED(result)) {
|
|
ev->Reset();
|
|
ev->Release();
|
|
}
|
|
|
|
SHIM_SET_RETURN(result);
|
|
}
|
|
|
|
|
|
SHIM_CALL NtCreateSemaphore_shim(
|
|
PPCContext* ppc_state, KernelState* state) {
|
|
uint32_t handle_ptr = SHIM_GET_ARG_32(0);
|
|
uint32_t obj_attributes_ptr = SHIM_GET_ARG_32(1);
|
|
int32_t count = SHIM_GET_ARG_32(2);
|
|
int32_t limit = SHIM_GET_ARG_32(3);
|
|
|
|
XELOGD(
|
|
"NtCreateSemaphore(%.8X, %.8X, %d, %d)",
|
|
handle_ptr, obj_attributes_ptr, count, limit);
|
|
|
|
XSemaphore* sem = new XSemaphore(state);
|
|
sem->Initialize(count, limit);
|
|
|
|
// obj_attributes may have a name inside of it, if != NULL.
|
|
if (obj_attributes_ptr) {
|
|
//sem->SetName(...);
|
|
}
|
|
|
|
if (handle_ptr) {
|
|
SHIM_SET_MEM_32(handle_ptr, sem->handle());
|
|
}
|
|
|
|
SHIM_SET_RETURN(X_STATUS_SUCCESS);
|
|
}
|
|
|
|
|
|
void xeKeInitializeSemaphore(
|
|
void* semaphore_ptr, int32_t count, int32_t limit) {
|
|
KernelState* state = shared_kernel_state_;
|
|
XEASSERTNOTNULL(state);
|
|
|
|
XSemaphore* sem = (XSemaphore*)XSemaphore::GetObject(
|
|
state, semaphore_ptr, 5 /* SemaphoreObject */);
|
|
XEASSERTNOTNULL(sem);
|
|
if (!sem) {
|
|
return;
|
|
}
|
|
|
|
sem->Initialize(count, limit);
|
|
}
|
|
|
|
|
|
SHIM_CALL KeInitializeSemaphore_shim(
|
|
PPCContext* ppc_state, KernelState* state) {
|
|
uint32_t semaphore_ref = SHIM_GET_ARG_32(0);
|
|
int32_t count = SHIM_GET_ARG_32(1);
|
|
int32_t limit = SHIM_GET_ARG_32(2);
|
|
|
|
XELOGD(
|
|
"KeInitializeSemaphore(%.8X, %d, %d)",
|
|
semaphore_ref, count, limit);
|
|
|
|
void* semaphore_ptr = SHIM_MEM_ADDR(semaphore_ref);
|
|
xeKeInitializeSemaphore(semaphore_ptr, count, limit);
|
|
}
|
|
|
|
|
|
int32_t xeKeReleaseSemaphore(
|
|
void* semaphore_ptr, int32_t increment, int32_t adjustment, bool wait) {
|
|
KernelState* state = shared_kernel_state_;
|
|
XEASSERTNOTNULL(state);
|
|
|
|
XSemaphore* sem = (XSemaphore*)XSemaphore::GetObject(state, semaphore_ptr);
|
|
XEASSERTNOTNULL(sem);
|
|
if (!sem) {
|
|
return 0;
|
|
}
|
|
|
|
// TODO(benvanik): increment thread priority?
|
|
// TODO(benvanik): wait?
|
|
|
|
return sem->ReleaseSemaphore(adjustment);
|
|
}
|
|
|
|
|
|
SHIM_CALL KeReleaseSemaphore_shim(
|
|
PPCContext* ppc_state, KernelState* state) {
|
|
uint32_t semaphore_ref = SHIM_GET_ARG_32(0);
|
|
int32_t increment = SHIM_GET_ARG_32(1);
|
|
int32_t adjustment = SHIM_GET_ARG_32(2);
|
|
int32_t wait = SHIM_GET_ARG_32(3);
|
|
|
|
XELOGD(
|
|
"KeReleaseSemaphore(%.8X, %d, %d, %d)",
|
|
semaphore_ref, increment, adjustment, wait);
|
|
|
|
void* semaphore_ptr = SHIM_MEM_ADDR(semaphore_ref);
|
|
int32_t result = xeKeReleaseSemaphore(
|
|
semaphore_ptr, increment, adjustment, wait == 1);
|
|
|
|
SHIM_SET_RETURN(result);
|
|
}
|
|
|
|
|
|
SHIM_CALL NtReleaseSemaphore_shim(
|
|
PPCContext* ppc_state, KernelState* state) {
|
|
uint32_t sem_handle = SHIM_GET_ARG_32(0);
|
|
int32_t release_count = SHIM_GET_ARG_32(1);
|
|
int32_t previous_count_ptr = SHIM_GET_ARG_32(2);
|
|
|
|
XELOGD(
|
|
"NtReleaseSemaphore(%.8X, %d, %.8X)",
|
|
sem_handle, release_count, previous_count_ptr);
|
|
|
|
X_STATUS result = X_STATUS_SUCCESS;
|
|
|
|
XSemaphore* sem = NULL;
|
|
result = state->object_table()->GetObject(
|
|
sem_handle, (XObject**)&sem);
|
|
if (XSUCCEEDED(result)) {
|
|
int32_t previous_count = sem->ReleaseSemaphore(release_count);
|
|
sem->Release();
|
|
|
|
if (previous_count_ptr) {
|
|
SHIM_SET_MEM_32(previous_count_ptr, previous_count);
|
|
}
|
|
}
|
|
|
|
SHIM_SET_RETURN(result);
|
|
}
|
|
|
|
|
|
X_STATUS xeKeWaitForSingleObject(
|
|
void* object_ptr, uint32_t wait_reason, uint32_t processor_mode,
|
|
uint32_t alertable, uint64_t* opt_timeout) {
|
|
KernelState* state = shared_kernel_state_;
|
|
XEASSERTNOTNULL(state);
|
|
|
|
XObject* object = XObject::GetObject(state, object_ptr);
|
|
if (!object) {
|
|
// The only kind-of failure code.
|
|
return X_STATUS_ABANDONED_WAIT_0;
|
|
}
|
|
|
|
return object->Wait(wait_reason, processor_mode, alertable, opt_timeout);
|
|
}
|
|
|
|
|
|
SHIM_CALL KeWaitForSingleObject_shim(
|
|
PPCContext* ppc_state, KernelState* state) {
|
|
uint32_t object = SHIM_GET_ARG_32(0);
|
|
uint32_t wait_reason = SHIM_GET_ARG_32(1);
|
|
uint32_t processor_mode = SHIM_GET_ARG_32(2);
|
|
uint32_t alertable = SHIM_GET_ARG_32(3);
|
|
uint32_t timeout_ptr = SHIM_GET_ARG_32(4);
|
|
|
|
XELOGD(
|
|
"KeWaitForSingleObject(%.8X, %.8X, %.8X, %.1X, %.8X)",
|
|
object, wait_reason, processor_mode, alertable, timeout_ptr);
|
|
|
|
void* object_ptr = SHIM_MEM_ADDR(object);
|
|
uint64_t timeout = timeout_ptr ? SHIM_MEM_64(timeout_ptr) : 0;
|
|
X_STATUS result = xeKeWaitForSingleObject(
|
|
object_ptr, wait_reason, processor_mode, alertable,
|
|
timeout_ptr ? &timeout : NULL);
|
|
|
|
SHIM_SET_RETURN(result);
|
|
}
|
|
|
|
|
|
SHIM_CALL NtWaitForSingleObjectEx_shim(
|
|
PPCContext* ppc_state, KernelState* state) {
|
|
uint32_t object_handle = SHIM_GET_ARG_32(0);
|
|
uint32_t timeout = SHIM_GET_ARG_32(1);
|
|
uint32_t alertable = SHIM_GET_ARG_32(2);
|
|
|
|
XELOGD(
|
|
"NtWaitForSingleObjectEx(%.8X, %.8X, %.1X)",
|
|
object_handle, timeout, alertable);
|
|
|
|
X_STATUS result = X_STATUS_SUCCESS;
|
|
|
|
XObject* object = NULL;
|
|
result = state->object_table()->GetObject(
|
|
object_handle, &object);
|
|
if (XSUCCEEDED(result)) {
|
|
uint64_t timeout_ns = timeout * 1000000 / 100;
|
|
timeout_ns = ~timeout_ns; // Relative.
|
|
result = object->Wait(
|
|
3, 1, alertable,
|
|
timeout == 0xFFFFFFFF ? 0 : &timeout_ns);
|
|
object->Release();
|
|
}
|
|
|
|
SHIM_SET_RETURN(result);
|
|
}
|
|
|
|
|
|
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)) {
|
|
// Spin!
|
|
// TODO(benvanik): error on deadlock?
|
|
}
|
|
|
|
// Raise IRQL to DISPATCH.
|
|
XThread* thread = XThread::GetCurrentThread();
|
|
return thread->RaiseIrql(2);
|
|
}
|
|
|
|
|
|
SHIM_CALL KfAcquireSpinLock_shim(
|
|
PPCContext* ppc_state, KernelState* state) {
|
|
uint32_t lock_ptr = SHIM_GET_ARG_32(0);
|
|
|
|
XELOGD(
|
|
"KfAcquireSpinLock(%.8X)",
|
|
lock_ptr);
|
|
|
|
uint32_t old_irql = xeKfAcquireSpinLock(SHIM_MEM_ADDR(lock_ptr));
|
|
|
|
SHIM_SET_RETURN(old_irql);
|
|
}
|
|
|
|
|
|
void xeKfReleaseSpinLock(void* lock_ptr, uint32_t old_irql) {
|
|
// Restore IRQL.
|
|
XThread* thread = XThread::GetCurrentThread();
|
|
thread->LowerIrql(old_irql);
|
|
|
|
// Unlock.
|
|
xe_atomic_dec_32(lock_ptr);
|
|
}
|
|
|
|
|
|
SHIM_CALL KfReleaseSpinLock_shim(
|
|
PPCContext* ppc_state, KernelState* state) {
|
|
uint32_t lock_ptr = SHIM_GET_ARG_32(0);
|
|
uint32_t old_irql = SHIM_GET_ARG_32(1);
|
|
|
|
XELOGD(
|
|
"KfReleaseSpinLock(%.8X, %d)",
|
|
lock_ptr,
|
|
old_irql);
|
|
|
|
xeKfReleaseSpinLock(SHIM_MEM_ADDR(lock_ptr), old_irql);
|
|
}
|
|
|
|
|
|
void xeKeEnterCriticalRegion() {
|
|
XThread::EnterCriticalRegion();
|
|
}
|
|
|
|
|
|
SHIM_CALL KeEnterCriticalRegion_shim(
|
|
PPCContext* ppc_state, KernelState* state) {
|
|
XELOGD(
|
|
"KeEnterCriticalRegion()");
|
|
xeKeEnterCriticalRegion();
|
|
}
|
|
|
|
|
|
void xeKeLeaveCriticalRegion() {
|
|
XThread::LeaveCriticalRegion();
|
|
}
|
|
|
|
|
|
SHIM_CALL KeLeaveCriticalRegion_shim(
|
|
PPCContext* ppc_state, KernelState* state) {
|
|
XELOGD(
|
|
"KeLeaveCriticalRegion()");
|
|
xeKeLeaveCriticalRegion();
|
|
}
|
|
|
|
|
|
} // namespace kernel
|
|
} // namespace xe
|
|
|
|
|
|
void xe::kernel::xboxkrnl::RegisterThreadingExports(
|
|
ExportResolver* export_resolver, KernelState* state) {
|
|
SHIM_SET_MAPPING("xboxkrnl.exe", ExCreateThread, state);
|
|
SHIM_SET_MAPPING("xboxkrnl.exe", ExTerminateThread, state);
|
|
SHIM_SET_MAPPING("xboxkrnl.exe", NtResumeThread, state);
|
|
SHIM_SET_MAPPING("xboxkrnl.exe", KeResumeThread, state);
|
|
SHIM_SET_MAPPING("xboxkrnl.exe", KeSetAffinityThread, state);
|
|
SHIM_SET_MAPPING("xboxkrnl.exe", KeSetBasePriorityThread, state);
|
|
|
|
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);
|
|
SHIM_SET_MAPPING("xboxkrnl.exe", KeTlsFree, state);
|
|
SHIM_SET_MAPPING("xboxkrnl.exe", KeTlsGetValue, state);
|
|
SHIM_SET_MAPPING("xboxkrnl.exe", KeTlsSetValue, state);
|
|
|
|
SHIM_SET_MAPPING("xboxkrnl.exe", NtCreateEvent, state);
|
|
SHIM_SET_MAPPING("xboxkrnl.exe", KeSetEvent, state);
|
|
SHIM_SET_MAPPING("xboxkrnl.exe", NtSetEvent, state);
|
|
SHIM_SET_MAPPING("xboxkrnl.exe", KeResetEvent, state);
|
|
SHIM_SET_MAPPING("xboxkrnl.exe", NtClearEvent, state);
|
|
|
|
SHIM_SET_MAPPING("xboxkrnl.exe", NtCreateSemaphore, state);
|
|
SHIM_SET_MAPPING("xboxkrnl.exe", KeInitializeSemaphore, state);
|
|
SHIM_SET_MAPPING("xboxkrnl.exe", KeReleaseSemaphore, state);
|
|
SHIM_SET_MAPPING("xboxkrnl.exe", NtReleaseSemaphore, state);
|
|
|
|
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);
|
|
|
|
SHIM_SET_MAPPING("xboxkrnl.exe", KeEnterCriticalRegion, state);
|
|
SHIM_SET_MAPPING("xboxkrnl.exe", KeLeaveCriticalRegion, state);
|
|
}
|