[ldr:ro] Add service skeleton

CMakeLists.txt

@@ -61,7 +61,7 @@ set(SERVICE_SOURCE_FILES src/core/services/service_manager.cpp src/core/services
                          src/core/services/ptm.cpp src/core/services/mic.cpp src/core/services/cecd.cpp
                          src/core/services/ac.cpp src/core/services/am.cpp src/core/services/boss.cpp
                          src/core/services/frd.cpp src/core/services/nim.cpp src/core/services/shared_font.cpp
-                         src/core/services/y2r.cpp src/core/services/cam.cpp
+                         src/core/services/y2r.cpp src/core/services/cam.cpp src/core/services/ldr_ro.cpp
 )
 set(PICA_SOURCE_FILES src/core/PICA/gpu.cpp src/core/PICA/regs.cpp src/core/PICA/shader_unit.cpp
                       src/core/PICA/shader_interpreter.cpp
@@ -90,6 +90,7 @@ set(HEADER_FILES include/emulator.hpp include/helpers.hpp include/opengl.hpp inc
                  include/services/am.hpp include/services/boss.hpp include/services/frd.hpp include/services/nim.hpp
                  include/fs/archive_ext_save_data.hpp include/services/shared_font.hpp include/fs/archive_ncch.hpp
                  include/renderer_gl/textures.hpp include/colour.hpp include/services/y2r.hpp include/services/cam.hpp
+                 include/services/ldr_ro.hpp
 )
 
 set(THIRD_PARTY_SOURCE_FILES third_party/imgui/imgui.cpp
@@ -100,7 +101,6 @@ set(THIRD_PARTY_SOURCE_FILES third_party/imgui/imgui.cpp
                              third_party/gl3w/gl3w.cpp
 )
 
-#add_library(Alber ${HEADER_FILES})
 source_group("Header Files\\Core" FILES ${HEADER_FILES})
 source_group("Source Files\\Core" FILES ${SOURCE_FILES})
 source_group("Source Files\\Core\\Filesystem" FILES ${FS_SOURCE_FILES})

include/kernel/handles.hpp

@@ -23,6 +23,7 @@ namespace KernelHandles {
 		GPU,  // GPU service
 		DSP,  // DSP service (Used for audio decoding and output)
 		LCD,  // LCD service (Used for configuring the displays)
+		LDR_RO, // Loader service. Used for loading CROs.
 		MIC,  // MIC service (Controls the microphone)
 		NIM,  // Updates, DLC, etc
 		NDM,  // ?????
@@ -72,6 +73,7 @@ namespace KernelHandles {
 			case DSP: return "DSP";
 			case GPU: return "GPU";
 			case LCD: return "LCD";
+			case LDR_RO: return "LDR:RO";
 			case MIC: return "MIC";
 			case NDM: return "NDM";
 			case NIM: return "NIM";

include/logger.hpp

@@ -41,6 +41,7 @@ namespace Log {
     static Logger<false> hidLogger;
     static Logger<false> gspGPULogger;
     static Logger<false> gspLCDLogger;
+    static Logger<false> ldrLogger;
     static Logger<false> micLogger;
     static Logger<false> nimLogger;
     static Logger<false> ndmLogger;

include/services/ldr_ro.hpp

@@ -0,0 +1,20 @@
+#pragma once
+#include "helpers.hpp"
+#include "kernel_types.hpp"
+#include "logger.hpp"
+#include "memory.hpp"
+
+class LDRService {
+	Handle handle = KernelHandles::LDR_RO;
+	Memory& mem;
+	MAKE_LOG_FUNCTION(log, ldrLogger)
+
+	// Service commands
+	void initialize(u32 messagePointer);
+	void loadCRR(u32 messagePointer);
+
+public:
+	LDRService(Memory& mem) : mem(mem) {}
+	void reset();
+	void handleSyncRequest(u32 messagePointer);
+};

include/services/service_manager.hpp

@@ -17,6 +17,7 @@
 #include "services/fs.hpp"
 #include "services/gsp_gpu.hpp"
 #include "services/gsp_lcd.hpp"
+#include "services/ldr_ro.hpp"
 #include "services/mic.hpp"
 #include "services/nim.hpp"
 #include "services/ndm.hpp"
@@ -48,6 +49,7 @@ class ServiceManager {
 	FSService fs;
 	GPUService gsp_gpu;
 	LCDService gsp_lcd;
+	LDRService ldr;
 	MICService mic;
     NIMService nim;
 	NDMService ndm;

src/core/services/ldr_ro.cpp

@@ -0,0 +1,44 @@
+#include "services/ldr_ro.hpp"
+
+namespace LDRCommands {
+	enum : u32 {
+		Initialize = 0x000100C2,
+		LoadCRR = 0x00020082
+	};
+}
+
+namespace Result {
+	enum : u32 {
+		Success = 0,
+	};
+}
+
+void LDRService::reset() {}
+
+void LDRService::handleSyncRequest(u32 messagePointer) {
+	const u32 command = mem.read32(messagePointer);
+	switch (command) {
+		case LDRCommands::Initialize: initialize(messagePointer); break;
+		case LDRCommands::LoadCRR: loadCRR(messagePointer); break;
+		default: Helpers::panic("LDR::RO service requested. Command: %08X\n", command);
+	}
+}
+
+void LDRService::initialize(u32 messagePointer) {
+	const u32 crsPointer = mem.read32(messagePointer + 4);
+	const u32 size = mem.read32(messagePointer + 8);
+	const u32 mapVaddr = mem.read32(messagePointer + 12);
+	const Handle process = mem.read32(messagePointer + 20);
+
+	log("LDR_RO::Initialize (buffer = %08X, size = %08X, vaddr = %08X, process = %X)\n", crsPointer, size, mapVaddr, process);
+	mem.write32(messagePointer + 4, Result::Success);
+}
+
+void LDRService::loadCRR(u32 messagePointer) {
+	const u32 crrPointer = mem.read32(messagePointer + 4);
+	const u32 size = mem.read32(messagePointer + 8);
+	const Handle process = mem.read32(messagePointer + 20);
+
+	log("LDR_RO::LoadCRR (buffer = %08X, size = %08X, process = %X)\n", crrPointer, size, process);
+	mem.write32(messagePointer + 4, Result::Success);
+}

src/core/services/service_manager.cpp

@@ -4,7 +4,7 @@
 
 ServiceManager::ServiceManager(std::array<u32, 16>& regs, Memory& mem, GPU& gpu, u32& currentPID, Kernel& kernel)
 	: regs(regs), mem(mem), kernel(kernel), ac(mem), am(mem), boss(mem), apt(mem, kernel), cam(mem), cecd(mem), cfg(mem), 
-	dsp(mem), hid(mem), frd(mem), fs(mem, kernel), gsp_gpu(mem, gpu, currentPID), gsp_lcd(mem), mic(mem),
+	dsp(mem), hid(mem), frd(mem), fs(mem, kernel), gsp_gpu(mem, gpu, currentPID), gsp_lcd(mem), ldr(mem), mic(mem),
 	nim(mem), ndm(mem), ptm(mem), y2r(mem) {}
 
 static constexpr int MAX_NOTIFICATION_COUNT = 16;
@@ -24,6 +24,7 @@ void ServiceManager::reset() {
 	fs.reset();
 	gsp_gpu.reset();
 	gsp_lcd.reset();
+    ldr.reset();
 	mic.reset();
 	nim.reset();
 	ndm.reset();
@@ -97,12 +98,12 @@ static std::map<std::string, Handle> serviceMap = {
 	{ "fs:USER", KernelHandles::FS },
 	{ "gsp::Gpu", KernelHandles::GPU },
 	{ "gsp::Lcd", KernelHandles::LCD },
+	{ "ldr:ro", KernelHandles::LDR_RO },
 	{ "mic:u", KernelHandles::MIC },
 	{ "ndm:u", KernelHandles::NDM },
 	{ "nim:aoc", KernelHandles::NIM },
 	{ "ptm:u", KernelHandles::PTM },
 	{ "y2r:u", KernelHandles::Y2R }
-
 };
 
 // https://www.3dbrew.org/wiki/SRV:GetServiceHandle
@@ -167,6 +168,7 @@ void ServiceManager::sendCommandToService(u32 messagePointer, Handle handle) {
         case KernelHandles::FRD: frd.handleSyncRequest(messagePointer); break;
 		case KernelHandles::FS: fs.handleSyncRequest(messagePointer); break;
 		case KernelHandles::LCD: gsp_lcd.handleSyncRequest(messagePointer); break;
+        case KernelHandles::LDR_RO: ldr.handleSyncRequest(messagePointer); break;
 		case KernelHandles::MIC: mic.handleSyncRequest(messagePointer); break;
         case KernelHandles::NIM: nim.handleSyncRequest(messagePointer); break;
 		case KernelHandles::NDM: ndm.handleSyncRequest(messagePointer); break;