Add DSP firmware detection, logging and database

CMakeLists.txt

@@ -361,6 +361,7 @@ set(HEADER_FILES include/emulator.hpp include/helpers.hpp include/termcolor.hpp
                  include/PICA/pica_vert_config.hpp include/sdl_sensors.hpp include/PICA/draw_acceleration.hpp include/renderdoc.hpp
                  include/align.hpp include/audio/aac_decoder.hpp include/PICA/pica_simd.hpp include/services/fonts.hpp
                  include/audio/audio_interpolation.hpp include/audio/hle_mixer.hpp include/audio/dsp_simd.hpp
+                 include/services/dsp_firmware_db.hpp
 )
 
 cmrc_add_resource_library(

include/config.hpp

@@ -58,6 +58,7 @@ struct EmulatorConfig {
 
 	bool enableRenderdoc = false;
 	bool printAppVersion = true;
+	bool printDSPFirmware = false;
 
 	bool chargerPlugged = true;
 	// Default to 3% battery to make users suffer

include/services/dsp.hpp

@@ -10,6 +10,7 @@
 #include "memory.hpp"
 #include "result/result.hpp"
 
+struct EmulatorConfig;
 // Circular dependencies!
 class Kernel;
 
@@ -19,7 +20,9 @@ class DSPService {
 	Handle handle = KernelHandles::DSP;
 	Memory& mem;
 	Kernel& kernel;
+	const EmulatorConfig& config;
 	Audio::DSPCore* dsp = nullptr;
+
 	MAKE_LOG_FUNCTION(log, dspServiceLogger)
 
 	// Number of DSP pipes
@@ -58,7 +61,7 @@ class DSPService {
 	void writeProcessPipe(u32 messagePointer);
 
   public:
-	DSPService(Memory& mem, Kernel& kernel) : mem(mem), kernel(kernel) {}
+	DSPService(Memory& mem, Kernel& kernel, const EmulatorConfig& config) : mem(mem), kernel(kernel), config(config) {}
 	void reset();
 	void handleSyncRequest(u32 messagePointer);
 	void setDSPCore(Audio::DSPCore* pointer) { dsp = pointer; }
@@ -84,4 +87,5 @@ class DSPService {
 	void triggerInterrupt1();
 
 	ComponentDumpResult dumpComponent(const std::filesystem::path& path);
+	void printFirmwareInfo();
 };

include/services/dsp_firmware_db.hpp

@@ -0,0 +1,76 @@
+#pragma once
+
+#include <array>
+
+#include "helpers.hpp"
+
+namespace DSP {
+	struct FirmwareInfo {
+		using Hash = std::array<u8, 32>;
+
+		Hash hash;  // Firmware hash (SHA-256)
+		u32 size;   // Firmware size in bytes
+
+		bool supportsAAC;   // Does this firmware support AAC decoding?
+		const char* notes;  // Miscellaneous notes about the firmware
+
+		explicit constexpr FirmwareInfo(const Hash& hash, u32 size, bool supportsAAC, const char* notes)
+			: hash(hash), size(size), supportsAAC(supportsAAC), notes(notes) {}
+	};
+
+	static constexpr std::array<FirmwareInfo, 9> firmwareDB = {
+		FirmwareInfo(
+			{0x47, 0xD6, 0x6C, 0xD2, 0x13, 0x1, 0xFF, 0x62, 0xAD, 0x16, 0x98, 0x2,  0x46, 0x67, 0xF3, 0x9,
+			 0xDA, 0x7,  0x20, 0x9E, 0xFB, 0xB, 0x6A, 0x81, 0x98, 0xFF, 0x9B, 0xE0, 0x51, 0x67, 0xC9, 0xA6},
+			48480, false, "Spotted in some versions of Activity Log potentially other apps"
+		),
+
+		FirmwareInfo(
+			{0xF5, 0xDA, 0x79, 0xE7, 0x24, 0x6C, 0x51, 0x9A, 0x28, 0x6C, 0x50, 0xC9, 0x9F, 0xA1, 0xE6, 0x4D,
+			 0xA5, 0x72, 0x96, 0x5F, 0xEA, 0x14, 0x20, 0xA7, 0x70, 0x90, 0x57, 0x42, 0x34, 0x6E, 0x18, 0xD1},
+			49674, false, "One of the most common firmwares. Found in NSMB2 and others"
+		),
+
+		FirmwareInfo(
+			{0x94, 0x4B, 0x40, 0xB5, 0x46, 0x93, 0xF4, 0xB1, 0xD9, 0x52, 0xBE, 0x84, 0x87, 0xE9, 0xE9, 0x1F,
+			 0x66, 0x7F, 0xC4, 0x89, 0xF8, 0x15, 0x79, 0xF,  0x3D, 0x3E, 0x89, 0x26, 0x5F, 0xE0, 0x89, 0xC4},
+			49800, false, "One of the most common firmwares. Found in Majora's Mask and others"
+		),
+
+		FirmwareInfo(
+			{0x8E, 0x21, 0x3F, 0x3E, 0x71, 0xD2, 0xE3, 0xE4, 0x5D, 0x11, 0x69, 0xBA, 0xC6, 0x46, 0x5A, 0x70,
+			 0xEA, 0xBE, 0xB2, 0x2B, 0x30, 0x3F, 0x1F, 0xA6, 0xD7, 0x67, 0x93, 0x70, 0xFF, 0xAD, 0xF,  0x54},
+			49756, false, "Fairly common firmware. Found in PSMD and others"
+		),
+
+		FirmwareInfo(
+			{0xA2, 0x6C, 0x74, 0xD1, 0xEF, 0x7F, 0x4F, 0xA5, 0xFF, 0xFF, 0xFB, 0xEC, 0x75, 0x8A, 0x40, 0x8D,
+			 0x8F, 0x22, 0x87, 0x72, 0x78, 0x1B, 0x81, 0x88, 0x86, 0x5F, 0x83, 0x4D, 0x1D, 0x90, 0x6B, 0xAA},
+			48804, false, "Spotted in MK7"
+		),
+
+		FirmwareInfo(
+			{0x75, 0x12, 0x70, 0xB2, 0x43, 0xB0, 0xCA, 0xFB, 0x51, 0x99, 0xF2, 0x98, 0x2,  0x2,  0xC9, 0xB4,
+			 0xC7, 0x7A, 0x67, 0x5E, 0xF0, 0x43, 0x8F, 0xD5, 0xA8, 0x9E, 0x83, 0xAA, 0xB9, 0xA8, 0x7,  0x9B},
+			48652, false, "One of the most common firmwares. Found in OoT, Pokemon Rumble Blast, and others"
+		),
+
+		FirmwareInfo(
+			{0xF2, 0x96, 0xE2, 0xE5, 0xEC, 0x34, 0x9F, 0x6A, 0x6C, 0xF3, 0xE1, 0xC7, 0xC,  0xDD, 0x65, 0xC2,
+			 0x2,  0x72, 0xB6, 0xE7, 0xFF, 0xE5, 0x57, 0x92, 0x69, 0x4E, 0x83, 0xAE, 0x24, 0xF1, 0x68, 0xBF},
+			217976, true, "Most common AAC-enabled firmware. Found in Rhythm Heaven, Fire Emblem Fates/Echoes, Pokemon X/Y, and others"
+		),
+
+		FirmwareInfo(
+			{0xF0, 0x6C, 0x1B, 0x59, 0x23, 0xE1, 0x71, 0x19, 0x5,  0x66, 0x59, 0xCB, 0x3D, 0x9B, 0xF0, 0x26,
+			 0x62, 0x84, 0xE9, 0xA6, 0xC0, 0x8,  0x23, 0x99, 0xD7, 0x45, 0x8D, 0x7C, 0x52, 0xAE, 0x32, 0x1C},
+			48708, false, "Spotted in Super Mario 3D Land"
+		),
+
+		FirmwareInfo(
+			{0x7E, 0xA3, 0xC4, 0x4A, 0x1C, 0x57, 0x51, 0x4B, 0xEB, 0xBE, 0xBC, 0xE8, 0xA7, 0x99, 0x5F, 0x7F,
+			 0x3A, 0x29, 0x1,  0x70, 0xEA, 0x3B, 0x6C, 0x14, 0x57, 0x49, 0xAD, 0x93, 0x58, 0x67, 0x2C, 0x97},
+			49716, false, "Spotted in PMD: GTI"
+		),
+	};
+}  // namespace DSP

src/config.cpp

@@ -99,6 +99,7 @@ void EmulatorConfig::load() {
 
 			audioEnabled = toml::find_or<toml::boolean>(audio, "EnableAudio", false);
 			aacEnabled = toml::find_or<toml::boolean>(audio, "EnableAACAudio", true);
+			printDSPFirmware = toml::find_or<toml::boolean>(audio, "PrintDSPFirmware", false);
 
 			audioDeviceConfig.muteAudio = toml::find_or<toml::boolean>(audio, "MuteAudio", false);
 			// Our volume ranges from 0.0 (muted) to 2.0 (boosted, using a logarithmic scale). 1.0 is the "default" volume, ie we don't adjust the PCM
@@ -177,6 +178,7 @@ void EmulatorConfig::save() {
 	data["Audio"]["EnableAACAudio"] = aacEnabled;
 	data["Audio"]["MuteAudio"] = audioDeviceConfig.muteAudio;
 	data["Audio"]["AudioVolume"] = double(audioDeviceConfig.volumeRaw);
+	data["Audio"]["PrintDSPFirmware"] = printDSPFirmware;
 
 	data["Battery"]["ChargerPlugged"] = chargerPlugged;
 	data["Battery"]["BatteryPercentage"] = batteryPercentage;

src/core/services/dsp.cpp

@@ -1,10 +1,18 @@
 #include "services/dsp.hpp"
-#include "ipc.hpp"
-#include "kernel.hpp"
+
+#include <cryptopp/sha.h>
+#include <fmt/format.h>
+#include <fmt/ranges.h>
 
 #include <algorithm>
+#include <cstring>
 #include <fstream>
 
+#include "config.hpp"
+#include "ipc.hpp"
+#include "kernel.hpp"
+#include "services/dsp_firmware_db.hpp"
+
 namespace DSPCommands {
 	enum : u32 {
 		RecvData = 0x00010040,
@@ -92,6 +100,10 @@ void DSPService::loadComponent(u32 messagePointer) {
 	log("DSP::LoadComponent (size = %08X, program mask = %X, data mask = %X\n", size, programMask, dataMask);
 	dsp->loadComponent(loadedComponent, programMask, dataMask);
 
+	if (config.printDSPFirmware) {
+		printFirmwareInfo();
+	}
+
 	mem.write32(messagePointer, IPC::responseHeader(0x11, 2, 2));
 	mem.write32(messagePointer + 4, Result::Success);
 	mem.write32(messagePointer + 8, 1); // Component loaded
@@ -303,4 +315,57 @@ void DSPService::triggerInterrupt1() {
 	if (interrupt1.has_value()) {
 		kernel.signalEvent(*interrupt1);
 	}
-}
+}
+
+struct FirmwareInfo {
+	using Hash = std::array<u8, 32>;
+
+	Hash hash;  // Firmware hash (SHA-256)
+	u32 size;   // Firmware size in bytes
+
+	bool supportsAAC;   // Does this firmware support AAC decoding?
+	const char* notes;  // Miscellaneous notes about the firmware
+
+	explicit constexpr FirmwareInfo(const Hash& hash, u32 size, bool supportsAAC, const char* notes)
+		: hash(hash), size(size), supportsAAC(supportsAAC), notes(notes) {}
+};
+
+void DSPService::printFirmwareInfo() {
+	// No component has been loaded, do nothing.
+	if (!loadedComponent.size()) {
+		return;
+	}
+
+	const auto& firmwareDB = DSP::firmwareDB;
+	const usize firmwareSize = loadedComponent.size();
+	std::array<u8, CryptoPP::SHA256::DIGESTSIZE> hash;
+
+	CryptoPP::SHA256 sha;
+	sha.CalculateDigest(hash.data(), loadedComponent.data(), firmwareSize);
+
+	fmt::print("\nLoaded DSP firmware\n");
+	fmt::print("Firmware SHA-256 hash: {:X}\n", fmt::join(hash, ""));
+	fmt::print("Size: {} bytes ({} KB)\n", firmwareSize, firmwareSize / 1024);
+
+	bool knownFirmware = false;
+
+	for (int i = 0; i < firmwareDB.size(); i++) {
+		const auto& entry = firmwareDB[i];
+		if (entry.size == firmwareSize && std::memcmp(hash.data(), entry.hash.data(), hash.size()) == 0) {
+			knownFirmware = true;
+			fmt::print(
+				"Firmware found in DSP firmware DB.\nFeatures AAC decoder: {}\nOther notes: {}\n", entry.supportsAAC ? "yes" : "no", entry.notes
+			);
+
+			break;
+		}
+	}
+
+	if (!knownFirmware) {
+		fmt::print("Firmware not found in DSP firmware DB.\nHash in case you want to add it to the DB: {{{:#X}}}\n", fmt::join(hash, ", "));
+		// DSP firmwares that feature AAC decoding are usually around 210KB as opposed to the average DSP firmware which is around 48KB
+		fmt::print("Features AAC decoder: {}\n", firmwareSize >= 200_KB ? "probably yes" : "probably not");
+	}
+
+	fmt::print("\n");
+}

src/core/services/service_manager.cpp

@@ -7,7 +7,7 @@
 
 ServiceManager::ServiceManager(std::span<u32, 16> regs, Memory& mem, GPU& gpu, u32& currentPID, Kernel& kernel, const EmulatorConfig& config)
 	: regs(regs), mem(mem), kernel(kernel), ac(mem), am(mem), boss(mem), act(mem), apt(mem, kernel), cam(mem, kernel), cecd(mem, kernel), cfg(mem),
-	  csnd(mem, kernel), dlp_srvr(mem), dsp(mem, kernel), hid(mem, kernel), http(mem), ir_user(mem, kernel), frd(mem), fs(mem, kernel, config),
+	  csnd(mem, kernel), dlp_srvr(mem), dsp(mem, kernel, config), hid(mem, kernel), http(mem), ir_user(mem, kernel), frd(mem), fs(mem, kernel, config),
 	  gsp_gpu(mem, gpu, kernel, currentPID), gsp_lcd(mem), ldr(mem, kernel), mcu_hwc(mem, config), mic(mem, kernel), nfc(mem, kernel), nim(mem), ndm(mem),
 	  news_u(mem), nwm_uds(mem, kernel), ptm(mem, config), soc(mem), ssl(mem), y2r(mem, kernel) {}