xenia/src/xenia/kernel/xam_msg.cc

143 lines
4.1 KiB
C++

/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2013 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#include <xenia/kernel/xam_msg.h>
#include <xenia/kernel/kernel_state.h>
#include <xenia/kernel/xam_private.h>
#include <xenia/kernel/util/shim_utils.h>
using namespace xe;
using namespace xe::kernel;
using namespace xe::kernel::xam;
namespace xe {
namespace kernel {
SHIM_CALL XMsgInProcessCall_shim(
PPCContext* ppc_state, KernelState* state) {
uint32_t app = SHIM_GET_ARG_32(0);
uint32_t message = SHIM_GET_ARG_32(1);
uint32_t arg1 = SHIM_GET_ARG_32(2);
uint32_t arg2 = SHIM_GET_ARG_32(3);
XELOGD(
"XMsgInProcessCall(%.8X, %.8X, %.8X, %.8X)",
app, message, arg1, arg2);
bool handled = false;
// TODO(benvanik): build XMsg pump? async/sync/etc
if (app == 0xFA) {
// XMP = music
// http://freestyledash.googlecode.com/svn-history/r1/trunk/Freestyle/Scenes/Media/Music/ScnMusic.cpp
if (message == 0x00070009) {
uint32_t a = SHIM_MEM_32(arg1 + 0); // 0x00000002
uint32_t b = SHIM_MEM_32(arg1 + 4); // out ptr to 4b - expect 0
XELOGD("XMPGetStatusEx(%.8X, %.8X)", a, b);
assert_zero(arg2);
assert_true(a == 2);
SHIM_SET_MEM_32(b, 0);
handled = true;
} else if (message == 0x0007001A) {
// dcz
// arg1 = ?
// arg2 = 0
} else if (message == 0x0007001B) {
// Some stupid games will hammer this on a thread - induce a delay
// here to keep from starving real threads.
Sleep(1);
uint32_t a = SHIM_MEM_32(arg1 + 0); // 0x00000002
uint32_t b = SHIM_MEM_32(arg1 + 4); // out ptr to 4b - expect 0
XELOGD("XMPGetStatus(%.8X, %.8X)", a, b);
assert_zero(arg2);
assert_true(a == 2);
SHIM_SET_MEM_32(b, 0);
handled = true;
}
}
if (!handled) {
XELOGE("Unimplemented XMsgInProcessCall message!");
}
SHIM_SET_RETURN_32(handled ? X_ERROR_SUCCESS : X_ERROR_NOT_FOUND);
}
SHIM_CALL XMsgStartIORequest_shim(
PPCContext* ppc_state, KernelState* state) {
uint32_t app = SHIM_GET_ARG_32(0);
uint32_t message = SHIM_GET_ARG_32(1);
uint32_t overlapped_ptr = SHIM_GET_ARG_32(2);
uint32_t buffer = SHIM_GET_ARG_32(3);
uint32_t buffer_length = SHIM_GET_ARG_32(4);
XELOGD(
"XMsgStartIORequest(%.8X, %.8X, %.8X, %.8X, %d)",
app, message, overlapped_ptr, buffer, buffer_length);
bool handled = false;
assert_zero(overlapped_ptr);
// TODO(benvanik): build XMsg pump? async/sync/etc
if (app == 0xFA) {
// XMP = music
// http://freestyledash.googlecode.com/svn-history/r1/trunk/Freestyle/Scenes/Media/Music/ScnMusic.cpp
if (message == 0x00070009) {
assert(buffer_length == 8);
uint32_t a = SHIM_MEM_32(buffer + 0); // 0x00000002
uint32_t b = SHIM_MEM_32(buffer + 4); // out ptr to 4b - expect 0
XELOGD("XMPGetStatusEx(%.8X, %.8X)", a, b);
assert_true(a == 2);
SHIM_SET_MEM_32(b, 0);
Sleep(1);
handled = true;
}
}
if (!handled) {
XELOGE("Unimplemented XMsgStartIORequest message!");
}
SHIM_SET_RETURN_32(handled ? X_ERROR_SUCCESS : X_ERROR_NOT_FOUND);
}
SHIM_CALL XMsgCancelIORequest_shim(
PPCContext* ppc_state, KernelState* state) {
uint32_t overlapped_ptr = SHIM_GET_ARG_32(0);
uint32_t wait = SHIM_GET_ARG_32(1);
XELOGD(
"XMsgCancelIORequest(%.8X, %d)",
overlapped_ptr, wait);
// ?
XELOGW("XMsgCancelIORequest NOT IMPLEMENTED (wait?)");
SHIM_SET_RETURN_32(0);
}
} // namespace kernel
} // namespace xe
void xe::kernel::xam::RegisterMsgExports(
ExportResolver* export_resolver, KernelState* state) {
SHIM_SET_MAPPING("xam.xex", XMsgInProcessCall, state);
SHIM_SET_MAPPING("xam.xex", XMsgStartIORequest, state);
SHIM_SET_MAPPING("xam.xex", XMsgCancelIORequest, state);
}