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Xenia-Canary/src/xenia/kernel/modules/xam/xam_info.cc

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2.2 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/modules/xam/xam_info.h>
#include <xenia/kernel/shim_utils.h>
#include <xenia/kernel/xbox.h>
#include <xenia/kernel/modules/xam/xam_module.h>
using namespace xe;
using namespace xe::kernel;
using namespace xe::kernel::xam;
namespace {
void XGetAVPack_shim(
xe_ppc_state_t* ppc_state, XamState* state) {
// DWORD
// Not sure what the values are for this, but 6 is VGA.
// Other likely values are 3/4/8 for HDMI or something.
// Games seem to use this as a PAL check - if the result is not 3/4/6/8
// they explode with errors if not in PAL mode.
SHIM_SET_RETURN(6);
}
void XGetGameRegion_shim(
xe_ppc_state_t* ppc_state, XamState* state) {
XELOGD("XGetGameRegion()");
SHIM_SET_RETURN(XEX_REGION_ALL);
}
void XGetLanguage_shim(
xe_ppc_state_t* ppc_state, XamState* state) {
XELOGD("XGetLanguage()");
uint32_t desired_language = X_LANGUAGE_ENGLISH;
// Switch the language based on game region.
// TODO(benvanik): pull from xex header.
uint32_t game_region = XEX_REGION_NTSCU;
if (game_region & XEX_REGION_NTSCU) {
desired_language = X_LANGUAGE_ENGLISH;
} else if (game_region & XEX_REGION_NTSCJ) {
desired_language = X_LANGUAGE_JAPANESE;
}
// Add more overrides?
SHIM_SET_RETURN(desired_language);
}
}
void xe::kernel::xam::RegisterInfoExports(
ExportResolver* export_resolver, XamState* state) {
#define SHIM_SET_MAPPING(ordinal, shim, impl) \
export_resolver->SetFunctionMapping("xam.xex", ordinal, \
state, (xe_kernel_export_shim_fn)shim, (xe_kernel_export_impl_fn)impl)
SHIM_SET_MAPPING(0x000003CB, XGetAVPack_shim, NULL);
SHIM_SET_MAPPING(0x000003CC, XGetGameRegion_shim, NULL);
SHIM_SET_MAPPING(0x000003CD, XGetLanguage_shim, NULL);
#undef SET_MAPPING
}