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93 lines
2.4 KiB
C++
93 lines
2.4 KiB
C++
// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <vector>
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#include "common/profiler.h"
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#include "core/arm/arm_interface.h"
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#include "core/mem_map.h"
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#include "core/hle/hle.h"
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#include "core/hle/config_mem.h"
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#include "core/hle/shared_page.h"
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#include "core/hle/kernel/thread.h"
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#include "core/hle/service/service.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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namespace HLE {
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Common::Profiling::TimingCategory profiler_svc("SVC Calls");
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static std::vector<ModuleDef> g_module_db;
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bool g_reschedule = false; ///< If true, immediately reschedules the CPU to a new thread
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static const FunctionDef* GetSVCInfo(u32 opcode) {
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u32 func_num = opcode & 0xFFFFFF; // 8 bits
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if (func_num > 0xFF) {
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LOG_ERROR(Kernel_SVC,"unknown svc=0x%02X", func_num);
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return nullptr;
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}
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return &g_module_db[0].func_table[func_num];
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}
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void CallSVC(u32 opcode) {
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Common::Profiling::ScopeTimer timer_svc(profiler_svc);
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const FunctionDef *info = GetSVCInfo(opcode);
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if (!info) {
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return;
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}
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if (info->func) {
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info->func();
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} else {
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LOG_ERROR(Kernel_SVC, "unimplemented SVC function %s(..)", info->name.c_str());
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}
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}
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void Reschedule(const char *reason) {
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DEBUG_ASSERT_MSG(reason != nullptr && strlen(reason) < 256, "Reschedule: Invalid or too long reason.");
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// TODO(bunnei): It seems that games depend on some CPU execution time elapsing during HLE
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// routines. This simulates that time by artificially advancing the number of CPU "ticks".
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// The value was chosen empirically, it seems to work well enough for everything tested, but
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// is likely not ideal. We should find a more accurate way to simulate timing with HLE.
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Core::g_app_core->AddTicks(4000);
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Core::g_app_core->PrepareReschedule();
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g_reschedule = true;
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}
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void RegisterModule(std::string name, int num_functions, const FunctionDef* func_table) {
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ModuleDef module = {name, num_functions, func_table};
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g_module_db.push_back(module);
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}
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static void RegisterAllModules() {
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SVC::Register();
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}
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void Init() {
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Service::Init();
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RegisterAllModules();
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ConfigMem::Init();
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SharedPage::Init();
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LOG_DEBUG(Kernel, "initialized OK");
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}
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void Shutdown() {
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Service::Shutdown();
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g_module_db.clear();
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LOG_DEBUG(Kernel, "shutdown OK");
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}
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} // namespace
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