Files
Xenia-Canary/src/xenia/kernel/xam/xam_task.cc
2022-01-09 12:17:03 -06:00

81 lines
2.5 KiB
C++

/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2022 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#include "xenia/base/logging.h"
#include "xenia/base/string_util.h"
#include "xenia/cpu/processor.h"
#include "xenia/kernel/kernel_state.h"
#include "xenia/kernel/user_module.h"
#include "xenia/kernel/util/shim_utils.h"
#include "xenia/kernel/xam/xam_module.h"
#include "xenia/kernel/xam/xam_private.h"
#include "xenia/kernel/xthread.h"
#include "xenia/xbox.h"
#if XE_PLATFORM_WIN32
#include "xenia/base/platform_win.h"
#endif
#include "third_party/fmt/include/fmt/format.h"
namespace xe {
namespace kernel {
namespace xam {
struct XTASK_MESSAGE {
be<uint32_t> unknown_00;
be<uint32_t> unknown_04;
be<uint32_t> unknown_08;
be<uint32_t> callback_arg_ptr;
be<uint32_t> event_handle;
be<uint32_t> unknown_14;
be<uint32_t> task_handle;
};
static_assert_size(XTASK_MESSAGE, 0x1C);
dword_result_t XamTaskSchedule_entry(lpvoid_t callback,
pointer_t<XTASK_MESSAGE> message,
lpdword_t unknown, lpdword_t handle_ptr) {
// TODO(gibbed): figure out what this is for
*handle_ptr = 12345;
uint32_t stack_size = kernel_state()->GetExecutableModule()->stack_size();
// Stack must be aligned to 16kb pages
stack_size = std::max((uint32_t)0x4000, ((stack_size + 0xFFF) & 0xFFFFF000));
auto thread =
object_ref<XThread>(new XThread(kernel_state(), stack_size, 0, callback,
message.guest_address(), 0, true));
X_STATUS result = thread->Create();
if (XFAILED(result)) {
// Failed!
XELOGE("XAM task creation failed: {:08X}", result);
return result;
}
XELOGD("XAM task ({:08X}) scheduled asynchronously",
callback.guest_address());
return X_STATUS_SUCCESS;
}
DECLARE_XAM_EXPORT2(XamTaskSchedule, kNone, kImplemented, kSketchy);
dword_result_t XamTaskShouldExit_entry(dword_t r3) { return 0; }
DECLARE_XAM_EXPORT2(XamTaskShouldExit, kNone, kStub, kSketchy);
void RegisterTaskExports(xe::cpu::ExportResolver* export_resolver,
KernelState* kernel_state) {}
} // namespace xam
} // namespace kernel
} // namespace xe