354 lines
11 KiB
C++
354 lines
11 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/base/logging.h"
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#include "xenia/cpu/processor.h"
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#include "xenia/kernel/kernel_state.h"
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#include "xenia/kernel/objects/xuser_module.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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#include "xenia/kernel/xboxkrnl_private.h"
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#include "xenia/xbox.h"
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namespace xe {
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namespace kernel {
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X_STATUS xeExGetXConfigSetting(uint16_t category, uint16_t setting,
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void* buffer, uint16_t buffer_size,
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uint16_t* required_size) {
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uint16_t setting_size = 0;
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uint32_t value = 0;
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// TODO(benvanik): have real structs here that just get copied from.
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// http://free60.org/XConfig
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// http://freestyledash.googlecode.com/svn/trunk/Freestyle/Tools/Generic/ExConfig.h
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switch (category) {
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case 0x0002:
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// XCONFIG_SECURED_CATEGORY
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switch (setting) {
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case 0x0002: // XCONFIG_SECURED_AV_REGION
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setting_size = 4;
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value = 0x00001000; // USA/Canada
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break;
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default:
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assert_unhandled_case(setting);
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return X_STATUS_INVALID_PARAMETER_2;
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}
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break;
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case 0x0003:
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// XCONFIG_USER_CATEGORY
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switch (setting) {
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case 0x0001: // XCONFIG_USER_TIME_ZONE_BIAS
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case 0x0002: // XCONFIG_USER_TIME_ZONE_STD_NAME
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case 0x0003: // XCONFIG_USER_TIME_ZONE_DLT_NAME
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case 0x0004: // XCONFIG_USER_TIME_ZONE_STD_DATE
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case 0x0005: // XCONFIG_USER_TIME_ZONE_DLT_DATE
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case 0x0006: // XCONFIG_USER_TIME_ZONE_STD_BIAS
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case 0x0007: // XCONFIG_USER_TIME_ZONE_DLT_BIAS
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setting_size = 4;
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// TODO(benvanik): get this value.
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value = 0;
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break;
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case 0x0009: // XCONFIG_USER_LANGUAGE
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setting_size = 4;
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value = 0x00000001; // English
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break;
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case 0x000A: // XCONFIG_USER_VIDEO_FLAGS
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setting_size = 4;
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value = 0x00040000;
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break;
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case 0x000C: // XCONFIG_USER_RETAIL_FLAGS
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setting_size = 4;
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// TODO(benvanik): get this value.
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value = 0;
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break;
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case 0x000E: // XCONFIG_USER_COUNTRY
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setting_size = 4;
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// TODO(benvanik): get this value.
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value = 0;
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break;
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default:
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assert_unhandled_case(setting);
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return X_STATUS_INVALID_PARAMETER_2;
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}
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break;
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default:
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assert_unhandled_case(category);
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return X_STATUS_INVALID_PARAMETER_1;
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}
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if (buffer_size < setting_size) {
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return X_STATUS_BUFFER_TOO_SMALL;
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}
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if (!buffer && buffer_size) {
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return X_STATUS_INVALID_PARAMETER_3;
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}
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if (buffer) {
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xe::store_and_swap<uint32_t>(buffer, value);
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}
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if (required_size) {
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*required_size = setting_size;
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}
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return X_STATUS_SUCCESS;
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}
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SHIM_CALL ExGetXConfigSetting_shim(PPCContext* ppc_context,
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KernelState* kernel_state) {
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uint16_t category = SHIM_GET_ARG_16(0);
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uint16_t setting = SHIM_GET_ARG_16(1);
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uint32_t buffer_ptr = SHIM_GET_ARG_32(2);
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uint16_t buffer_size = SHIM_GET_ARG_16(3);
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uint32_t required_size_ptr = SHIM_GET_ARG_32(4);
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XELOGD("ExGetXConfigSetting(%.4X, %.4X, %.8X, %.4X, %.8X)", category, setting,
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buffer_ptr, buffer_size, required_size_ptr);
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void* buffer = buffer_ptr ? SHIM_MEM_ADDR(buffer_ptr) : NULL;
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uint16_t required_size = 0;
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X_STATUS result = xeExGetXConfigSetting(category, setting, buffer,
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buffer_size, &required_size);
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if (required_size_ptr) {
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SHIM_SET_MEM_16(required_size_ptr, required_size);
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}
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SHIM_SET_RETURN_32(result);
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}
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SHIM_CALL XexCheckExecutablePrivilege_shim(PPCContext* ppc_context,
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KernelState* kernel_state) {
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uint32_t privilege = SHIM_GET_ARG_32(0);
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XELOGD("XexCheckExecutablePrivilege(%.8X)", privilege);
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// BOOL
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// DWORD Privilege
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// Privilege is bit position in xe_xex2_system_flags enum - so:
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// Privilege=6 -> 0x00000040 -> XEX_SYSTEM_INSECURE_SOCKETS
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uint32_t mask = 1 << privilege;
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auto module = kernel_state->GetExecutableModule();
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if (!module) {
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SHIM_SET_RETURN_32(0);
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return;
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}
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uint32_t flags = 0;
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module->GetOptHeader<uint32_t>(XEX_HEADER_SYSTEM_FLAGS, &flags);
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SHIM_SET_RETURN_32((flags & mask) > 0);
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}
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SHIM_CALL XexGetModuleHandle_shim(PPCContext* ppc_context,
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KernelState* kernel_state) {
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uint32_t module_name_ptr = SHIM_GET_ARG_32(0);
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const char* module_name = (const char*)SHIM_MEM_ADDR(module_name_ptr);
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uint32_t hmodule_ptr = SHIM_GET_ARG_32(1);
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XELOGD("XexGetModuleHandle(%s, %.8X)", module_name, hmodule_ptr);
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object_ref<XModule> module;
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if (!module_name) {
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module = kernel_state->GetExecutableModule();
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} else {
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module = kernel_state->GetModule(module_name);
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}
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if (!module) {
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SHIM_SET_MEM_32(hmodule_ptr, 0);
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SHIM_SET_RETURN_32(X_ERROR_NOT_FOUND);
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return;
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}
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// NOTE: we don't retain the handle for return.
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SHIM_SET_MEM_32(hmodule_ptr, module->hmodule_ptr());
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SHIM_SET_RETURN_32(X_ERROR_SUCCESS);
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}
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SHIM_CALL XexGetModuleSection_shim(PPCContext* ppc_context,
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KernelState* kernel_state) {
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uint32_t hmodule = SHIM_GET_ARG_32(0);
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uint32_t name_ptr = SHIM_GET_ARG_32(1);
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const char* name = (const char*)SHIM_MEM_ADDR(name_ptr);
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uint32_t data_ptr = SHIM_GET_ARG_32(2);
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uint32_t size_ptr = SHIM_GET_ARG_32(3);
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XELOGD("XexGetModuleSection(%.8X, %s, %.8X, %.8X)", hmodule, name, data_ptr,
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size_ptr);
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X_STATUS result = X_STATUS_SUCCESS;
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auto module = XModule::GetFromHModule(kernel_state, SHIM_MEM_ADDR(hmodule));
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if (module) {
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uint32_t section_data = 0;
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uint32_t section_size = 0;
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result = module->GetSection(name, §ion_data, §ion_size);
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if (XSUCCEEDED(result)) {
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SHIM_SET_MEM_32(data_ptr, section_data);
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SHIM_SET_MEM_32(size_ptr, section_size);
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}
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} else {
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result = X_STATUS_INVALID_HANDLE;
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}
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SHIM_SET_RETURN_32(result);
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}
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SHIM_CALL XexLoadImage_shim(PPCContext* ppc_context,
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KernelState* kernel_state) {
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uint32_t module_name_ptr = SHIM_GET_ARG_32(0);
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const char* module_name = (const char*)SHIM_MEM_ADDR(module_name_ptr);
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uint32_t module_flags = SHIM_GET_ARG_32(1);
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uint32_t min_version = SHIM_GET_ARG_32(2);
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uint32_t hmodule_ptr = SHIM_GET_ARG_32(3);
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XELOGD("XexLoadImage(%s, %.8X, %.8X, %.8X)", module_name, module_flags,
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min_version, hmodule_ptr);
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X_STATUS result = X_STATUS_NO_SUCH_FILE;
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uint32_t hmodule = 0;
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auto module = kernel_state->GetModule(module_name);
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if (module) {
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// Existing module found.
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hmodule = module->hmodule_ptr();
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} else {
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// Not found; attempt to load as a user module.
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auto user_module = kernel_state->LoadUserModule(module_name);
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if (user_module) {
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user_module->RetainHandle();
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hmodule = user_module->hmodule_ptr();
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result = X_STATUS_SUCCESS;
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}
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}
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// Increment the module's load count.
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auto ldr_data =
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kernel_memory()->TranslateVirtual<X_LDR_DATA_TABLE_ENTRY*>(hmodule);
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ldr_data->load_count++;
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SHIM_SET_MEM_32(hmodule_ptr, hmodule);
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SHIM_SET_RETURN_32(result);
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}
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SHIM_CALL XexUnloadImage_shim(PPCContext* ppc_context,
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KernelState* kernel_state) {
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uint32_t hmodule = SHIM_GET_ARG_32(0);
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XELOGD("XexUnloadImage(%.8X)", hmodule);
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auto module = XModule::GetFromHModule(kernel_state, SHIM_MEM_ADDR(hmodule));
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if (!module) {
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SHIM_SET_RETURN_32(X_STATUS_INVALID_HANDLE);
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return;
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}
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auto ldr_data =
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kernel_state->memory()->TranslateVirtual<X_LDR_DATA_TABLE_ENTRY*>(
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hmodule);
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if (ldr_data->load_count-- <= 0) {
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// No more references, free it.
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kernel_state->object_table()->RemoveHandle(module->handle());
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}
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SHIM_SET_RETURN_32(X_STATUS_SUCCESS);
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}
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SHIM_CALL XexGetProcedureAddress_shim(PPCContext* ppc_context,
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KernelState* kernel_state) {
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uint32_t hmodule = SHIM_GET_ARG_32(0);
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uint32_t ordinal = SHIM_GET_ARG_32(1);
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uint32_t out_function_ptr = SHIM_GET_ARG_32(2);
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// May be entry point?
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assert_not_zero(ordinal);
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bool is_string_name = (ordinal & 0xFFFF0000) != 0;
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auto string_name = reinterpret_cast<const char*>(SHIM_MEM_ADDR(ordinal));
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if (is_string_name) {
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XELOGD("XexGetProcedureAddress(%.8X, %.8X(%s), %.8X)", hmodule, ordinal,
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string_name, out_function_ptr);
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} else {
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XELOGD("XexGetProcedureAddress(%.8X, %.8X, %.8X)", hmodule, ordinal,
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out_function_ptr);
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}
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X_STATUS result = X_STATUS_INVALID_HANDLE;
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object_ref<XModule> module;
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if (!hmodule) {
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module = kernel_state->GetExecutableModule();
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} else {
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module = XModule::GetFromHModule(kernel_state, SHIM_MEM_ADDR(hmodule));
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}
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if (module) {
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uint32_t ptr;
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if (is_string_name) {
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ptr = module->GetProcAddressByName(string_name);
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} else {
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ptr = module->GetProcAddressByOrdinal(ordinal);
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}
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if (ptr) {
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SHIM_SET_MEM_32(out_function_ptr, ptr);
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result = X_STATUS_SUCCESS;
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} else {
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XELOGW("ERROR: XexGetProcedureAddress ordinal not found!");
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SHIM_SET_MEM_32(out_function_ptr, 0);
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result = X_STATUS_DRIVER_ORDINAL_NOT_FOUND;
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}
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}
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SHIM_SET_RETURN_32(result);
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}
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SHIM_CALL ExRegisterTitleTerminateNotification_shim(PPCContext* ppc_context,
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KernelState* kernel_state) {
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uint32_t registration_ptr = SHIM_GET_ARG_32(0);
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uint32_t create = SHIM_GET_ARG_32(1);
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uint32_t routine = SHIM_MEM_32(registration_ptr + 0);
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uint32_t priority = SHIM_MEM_32(registration_ptr + 4);
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// list entry flink
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// list entry blink
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XELOGD("ExRegisterTitleTerminateNotification(%.8X(%.8X), %.1X)",
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registration_ptr, routine, create);
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if (create) {
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// Adding.
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// TODO(benvanik): add to master list (kernel?).
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} else {
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// Removing.
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// TODO(benvanik): remove from master list.
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}
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}
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} // namespace kernel
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} // namespace xe
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void xe::kernel::xboxkrnl::RegisterModuleExports(
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xe::cpu::ExportResolver* export_resolver, KernelState* kernel_state) {
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SHIM_SET_MAPPING("xboxkrnl.exe", ExGetXConfigSetting, state);
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SHIM_SET_MAPPING("xboxkrnl.exe", XexCheckExecutablePrivilege, state);
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SHIM_SET_MAPPING("xboxkrnl.exe", XexGetModuleHandle, state);
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SHIM_SET_MAPPING("xboxkrnl.exe", XexGetModuleSection, state);
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SHIM_SET_MAPPING("xboxkrnl.exe", XexLoadImage, state);
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SHIM_SET_MAPPING("xboxkrnl.exe", XexUnloadImage, state);
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SHIM_SET_MAPPING("xboxkrnl.exe", XexGetProcedureAddress, state);
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SHIM_SET_MAPPING("xboxkrnl.exe", ExRegisterTitleTerminateNotification, state);
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}
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