7e22d3be92
- Added SHIM_SET_RETURN_32 macro, which sign-extends to 64-bit. - Updated all uses of SHIM_SET_RETURN to the appropriate macro (either SHIM_SET_RETURN_32 or SHIM_SET_RETURN_64).
119 lines
3.2 KiB
C++
119 lines
3.2 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/xam_info.h>
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#include <xenia/kernel/kernel_state.h>
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#include <xenia/kernel/xam_private.h>
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#include <xenia/kernel/util/shim_utils.h>
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#include <xenia/kernel/util/xex2.h>
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using namespace xe;
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using namespace xe::kernel;
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using namespace xe::kernel::xam;
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namespace xe {
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namespace kernel {
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SHIM_CALL XamGetSystemVersion_shim(
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PPCContext* ppc_state, KernelState* state) {
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XELOGD("XamGetSystemVersion()");
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// eh, just picking one. If we go too low we may break new games, but
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// this value seems to be used for conditionally loading symbols and if
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// we pretend to be old we have less to worry with implementing.
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// 0x200A3200
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// 0x20096B00
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SHIM_SET_RETURN_64(0);
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}
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SHIM_CALL XGetAVPack_shim(
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PPCContext* ppc_state, KernelState* state) {
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// DWORD
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// Not sure what the values are for this, but 6 is VGA.
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// Other likely values are 3/4/8 for HDMI or something.
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// Games seem to use this as a PAL check - if the result is not 3/4/6/8
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// they explode with errors if not in PAL mode.
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SHIM_SET_RETURN_64(6);
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}
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SHIM_CALL XGetGameRegion_shim(
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PPCContext* ppc_state, KernelState* state) {
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XELOGD("XGetGameRegion()");
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SHIM_SET_RETURN_64(XEX_REGION_ALL);
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}
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SHIM_CALL XGetLanguage_shim(
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PPCContext* ppc_state, KernelState* state) {
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XELOGD("XGetLanguage()");
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uint32_t desired_language = X_LANGUAGE_ENGLISH;
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// Switch the language based on game region.
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// TODO(benvanik): pull from xex header.
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uint32_t game_region = XEX_REGION_NTSCU;
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if (game_region & XEX_REGION_NTSCU) {
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desired_language = X_LANGUAGE_ENGLISH;
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} else if (game_region & XEX_REGION_NTSCJ) {
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desired_language = X_LANGUAGE_JAPANESE;
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}
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// Add more overrides?
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SHIM_SET_RETURN_64(desired_language);
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}
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SHIM_CALL XamLoaderGetLaunchDataSize_shim(
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PPCContext* ppc_state, KernelState* state) {
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uint32_t size_ptr = SHIM_GET_ARG_32(0);
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XELOGD(
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"XamLoaderGetLaunchDataSize(%.8X)",
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size_ptr);
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SHIM_SET_MEM_32(size_ptr, 0);
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SHIM_SET_RETURN_64(0);
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}
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SHIM_CALL XamLoaderGetLaunchData_shim(
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PPCContext* ppc_state, KernelState* state) {
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uint32_t buffer_ptr = SHIM_GET_ARG_32(0);
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uint32_t buffer_size = SHIM_GET_ARG_32(1);
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XELOGD(
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"XamLoaderGetLaunchData(%.8X, %d)",
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buffer_ptr, buffer_size);
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SHIM_SET_RETURN_64(0);
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}
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} // namespace kernel
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} // namespace xe
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void xe::kernel::xam::RegisterInfoExports(
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ExportResolver* export_resolver, KernelState* state) {
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SHIM_SET_MAPPING("xam.xex", XamGetSystemVersion, state);
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SHIM_SET_MAPPING("xam.xex", XGetAVPack, state);
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SHIM_SET_MAPPING("xam.xex", XGetGameRegion, state);
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SHIM_SET_MAPPING("xam.xex", XGetLanguage, state);
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SHIM_SET_MAPPING("xam.xex", XamLoaderGetLaunchDataSize, state);
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SHIM_SET_MAPPING("xam.xex", XamLoaderGetLaunchData, state);
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}
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