[HTTP] Add service stuff

CMakeLists.txt

@@ -134,7 +134,7 @@ set(SERVICE_SOURCE_FILES src/core/services/service_manager.cpp src/core/services
                          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/ldr_ro.cpp
                          src/core/services/act.cpp src/core/services/nfc.cpp src/core/services/dlp_srvr.cpp
-                         src/core/services/ir_user.cpp
+                         src/core/services/ir_user.cpp src/core/services/http.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 src/core/PICA/dynapica/shader_rec.cpp
@@ -174,7 +174,7 @@ set(HEADER_FILES include/emulator.hpp include/helpers.hpp include/termcolor.hpp
                  include/crypto/aes_engine.hpp include/metaprogramming.hpp include/PICA/pica_vertex.hpp
                  include/config.hpp include/services/ir_user.hpp include/http_server.hpp include/cheats.hpp
                  include/action_replay.hpp include/renderer_sw/renderer_sw.hpp include/compiler_builtins.hpp
-                 include/fs/romfs.hpp include/fs/ivfc.hpp include/discord_rpc.hpp
+                 include/fs/romfs.hpp include/fs/ivfc.hpp include/discord_rpc.hpp include/services/http.hpp
 )
 
 set(THIRD_PARTY_SOURCE_FILES third_party/imgui/imgui.cpp

include/kernel/handles.hpp

@@ -20,7 +20,8 @@ namespace KernelHandles {
 		CFG,  // CFG service (Console & region info)
 		DLP_SRVR, // Download Play: Server. Used for network play.
 		DSP,  // DSP service (Used for audio decoding and output)
-		HID,  // HID service (Handles everything input-related including gyro)
+		HID,  // HID service (Handles input-related things including gyro. Does NOT handle New3DS controls or CirclePadPro)
+		HTTP, // HTTP service (Handles HTTP requests)
 		IR_USER, // One of 3 infrared communication services
         FRD,  // Friend service (Miiverse friend service)
 		FS,   // Filesystem service
@@ -69,6 +70,7 @@ namespace KernelHandles {
 			case DSP: return "DSP";
 			case DLP_SRVR: return "DLP::SRVR";
 			case HID: return "HID";
+			case HTTP: return "HTTP";
 			case IR_USER: return "IR:USER";
 			case FRD: return "FRD";
 			case FS: return "FS";

include/logger.hpp

@@ -43,6 +43,7 @@ namespace Log {
 	static Logger<false> frdLogger;
 	static Logger<false> fsLogger;
 	static Logger<false> hidLogger;
+	static Logger<false> httpLogger;
 	static Logger<false> irUserLogger;
 	static Logger<false> gspGPULogger;
 	static Logger<false> gspLCDLogger;

include/services/http.hpp

@@ -0,0 +1,21 @@
+#pragma once
+#include "helpers.hpp"
+#include "kernel_types.hpp"
+#include "logger.hpp"
+#include "memory.hpp"
+
+class HTTPService {
+	Handle handle = KernelHandles::HTTP;
+	Memory& mem;
+	MAKE_LOG_FUNCTION(log, httpLogger)
+
+	bool initialized = false;
+
+	// Service commands
+	void initialize(u32 messagePointer);
+
+  public:
+	HTTPService(Memory& mem) : mem(mem) {}
+	void reset();
+	void handleSyncRequest(u32 messagePointer);
+};

include/services/service_manager.hpp

@@ -21,6 +21,7 @@
 #include "services/gsp_gpu.hpp"
 #include "services/gsp_lcd.hpp"
 #include "services/hid.hpp"
+#include "services/http.hpp"
 #include "services/ir_user.hpp"
 #include "services/ldr_ro.hpp"
 #include "services/mic.hpp"
@@ -53,6 +54,7 @@ class ServiceManager {
 	DlpSrvrService dlp_srvr;
 	DSPService dsp;
 	HIDService hid;
+	HTTPService http;
 	IRUserService ir_user;
 	FRDService frd;
 	FSService fs;

src/core/services/http.cpp

@@ -0,0 +1,42 @@
+#include "services/http.hpp"
+
+#include "ipc.hpp"
+#include "result/result.hpp"
+
+namespace HTTPCommands {
+	enum : u32 {
+		Initialize = 0x00010044,
+	};
+}
+
+void HTTPService::reset() { initialized = false; }
+
+void HTTPService::handleSyncRequest(u32 messagePointer) {
+	const u32 command = mem.read32(messagePointer);
+	switch (command) {
+		case HTTPCommands::Initialize: initialize(messagePointer); break;
+		default: Helpers::panic("HTTP service requested. Command: %08X\n", command);
+	}
+}
+
+void HTTPService::initialize(u32 messagePointer) {
+	const u32 postBufferSize = mem.read32(messagePointer + 4);
+	const u32 postMemoryBlockHandle = mem.read32(messagePointer + 20);
+	log("HTTP::Initialize (POST buffer size = %X, POST buffer memory block handle = %X)\n", postBufferSize, postMemoryBlockHandle);
+
+	mem.write32(messagePointer, IPC::responseHeader(0x01, 1, 0));
+
+	if (initialized) {
+		Helpers::warn("HTTP: Tried to initialize service while already initialized");
+		// TODO: Error code here
+	}
+
+	// 3DBrew: The provided POST buffer must be page-aligned (0x1000).
+	if (postBufferSize & 0xfff) {
+		Helpers::warn("HTTP: POST buffer size is not page-aligned");
+	}
+
+	initialized = true;
+	// We currently don't emulate HTTP properly. TODO: Prepare POST buffer here
+	mem.write32(messagePointer + 4, Result::Success);
+}

src/core/services/service_manager.cpp

@@ -7,8 +7,8 @@
 
 ServiceManager::ServiceManager(std::span<u32, 16> regs, Memory& mem, GPU& gpu, u32& currentPID, Kernel& kernel)
 	: regs(regs), mem(mem), kernel(kernel), ac(mem), am(mem), boss(mem), act(mem), apt(mem, kernel), cam(mem), cecd(mem, kernel), cfg(mem),
-	  dlp_srvr(mem), dsp(mem, kernel), hid(mem, kernel), ir_user(mem, kernel), frd(mem), fs(mem, kernel), gsp_gpu(mem, gpu, kernel, currentPID),
-	  gsp_lcd(mem), ldr(mem), mic(mem), nfc(mem, kernel), nim(mem), ndm(mem), ptm(mem), y2r(mem, kernel) {}
+	  dlp_srvr(mem), dsp(mem, kernel), hid(mem, kernel), http(mem), ir_user(mem, kernel), frd(mem), fs(mem, kernel),
+	  gsp_gpu(mem, gpu, kernel, currentPID), gsp_lcd(mem), ldr(mem), mic(mem), nfc(mem, kernel), nim(mem), ndm(mem), ptm(mem), y2r(mem, kernel) {}
 
 static constexpr int MAX_NOTIFICATION_COUNT = 16;
 
@@ -25,6 +25,7 @@ void ServiceManager::reset() {
 	dlp_srvr.reset();
 	dsp.reset();
 	hid.reset();
+	http.reset();
 	ir_user.reset();
 	frd.reset();
 	fs.reset();
@@ -98,6 +99,7 @@ static std::map<std::string, Handle> serviceMap = {
 	{ "dlp:SRVR", KernelHandles::DLP_SRVR },
 	{ "dsp::DSP", KernelHandles::DSP },
 	{ "hid:USER", KernelHandles::HID },
+	{ "http:C", KernelHandles::HTTP },
 	{ "ir:USER", KernelHandles::IR_USER },
 	{ "frd:u", KernelHandles::FRD },
 	{ "fs:USER", KernelHandles::FS },
@@ -182,6 +184,7 @@ void ServiceManager::sendCommandToService(u32 messagePointer, Handle handle) {
 		case KernelHandles::CFG: cfg.handleSyncRequest(messagePointer); break;
 		case KernelHandles::DLP_SRVR: dlp_srvr.handleSyncRequest(messagePointer); break;
 		case KernelHandles::HID: hid.handleSyncRequest(messagePointer); break;
+		case KernelHandles::HTTP: http.handleSyncRequest(messagePointer); break;
 		case KernelHandles::IR_USER: ir_user.handleSyncRequest(messagePointer); break;
         case KernelHandles::FRD: frd.handleSyncRequest(messagePointer); break;
 		case KernelHandles::LCD: gsp_lcd.handleSyncRequest(messagePointer); break;