RamDevice is public

start skeleton gmod module

.gitmodules

@@ -0,0 +1,4 @@
+[submodule "native/projects/lcpu/third_party/gmod_headers"]
+	path = native/projects/lcpu/third_party/gmod_headers
+	url = https://github.com/Facepunch/gmod-module-base
+	branch = development

native/CMakeLists.txt

@@ -10,4 +10,4 @@ add_subdirectory(projects/lucore_test)
 add_subdirectory(projects/riscv)
 
 # Garry's Mod bindings
-#add_subdirectory(projects/gmsv_lcpu)
+add_subdirectory(projects/lcpu)

native/projects/gmsv_lcpu_native/CMakeLists.txt

@@ -1,3 +0,0 @@
-
-
-add_library()

native/projects/gmsv_lcpu_native/NOTES.md

@@ -1,4 +0,0 @@
-# Notes
-
-- gmsv_lcpu doesn't use the upstream cmake buildsystem for gmod lua headers (instead crafting our own)
-	- this is because, in facepunchs infinite wisdom, they decided to unconditionally build the examples.

native/projects/lcpu/CMakeLists.txt

@@ -0,0 +1,45 @@
+
+
+add_library(gmod_headers INTERFACE)
+target_include_directories(gmod_headers INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/third_party/gmod_headers/include)
+
+# Originally from facepunch cmake build system, modified to be slightly less painful
+function(set_gmod_suffix_prefix library)
+	set_target_properties(${library} PROPERTIES PREFIX "gmsv_")
+	if(APPLE)
+		if("${CMAKE_SIZEOF_VOID_P}" STREQUAL "4")
+			set_target_properties(${library} PROPERTIES SUFFIX "_osx.dll")
+		else()
+			set_target_properties(${library} PROPERTIES SUFFIX "_osx64.dll")
+		endif()
+	elseif(UNIX)
+		if("${CMAKE_SIZEOF_VOID_P}" STREQUAL "4")
+			set_target_properties(${library} PROPERTIES SUFFIX "_linux.dll")
+		else()
+			set_target_properties(${library} PROPERTIES SUFFIX "_linux64.dll")
+		endif()
+	elseif(WIN32)
+		if("${CMAKE_SIZEOF_VOID_P}" STREQUAL "4")
+			set_target_properties(${library} PROPERTIES SUFFIX "_win32.dll")
+		else()
+			set_target_properties(${library} PROPERTIES SUFFIX "_win64.dll")
+		endif()
+	endif()
+endfunction()
+
+
+add_library(lcpu_native SHARED
+	src/main.cpp
+)
+
+if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
+	target_link_options(lcpu_native PRIVATE "-Wl,--version-script=${CMAKE_CURRENT_SOURCE_DIR}/gmod_abi.ver")
+endif()
+
+target_link_libraries(lcpu_native
+	gmod_headers
+	lucore::lucore
+	riscv::riscv
+)
+
+set_gmod_suffix_prefix(lcpu_native)

native/projects/lcpu/src/main.cpp

@@ -0,0 +1,9 @@
+#include <GarrysMod/Lua/Interface.h>
+
+GMOD_MODULE_OPEN() {
+	return 0;
+}
+
+GMOD_MODULE_CLOSE() {
+	return 0;
+}

native/projects/lcpu/third_party/gmod_headers

@@ -0,0 +1 @@
+Subproject commit ad1795cf84ee715a0afc75db0cfed093a42f3cd9

native/projects/lucore/src/Logger.cpp

@@ -60,8 +60,9 @@ namespace lucore {
 		   private:
 			std::FILE* file;
 		};
-		std::format_to(FileOutIterator(data.severity < Logger::MessageSeverity::Error ? stdout : stderr), "[Lucore/{}] [{}] {}\n",
-					   Logger::SeverityToString(data.severity), data.time,
+		std::format_to(
+		FileOutIterator(data.severity < Logger::MessageSeverity::Error ? stdout : stderr),
+		"[Lucore/{}] [{}] {}\n", Logger::SeverityToString(data.severity), data.time,
 		std::vformat(data.format, data.args));
 	}
 

native/projects/riscv/CMakeLists.txt

@@ -7,7 +7,7 @@ project(riscv_emu
 
 add_library(riscv
 	src/Bus.cpp
-	src/MemoryDevice.cpp
+	src/Devices/RamDevice.cpp
 )
 
 target_compile_features(riscv PUBLIC cxx_std_20)

native/projects/riscv/include/riscv/Devices/RamDevice.hpp

@@ -0,0 +1,41 @@
+
+#include <riscv/Bus.hpp>
+
+#include "riscv/Types.hpp"
+
+namespace riscv::devices {
+
+	struct RamDevice : public Bus::Device {
+		RamDevice(AddressT size);
+		virtual ~RamDevice();
+
+		AddressT Size() const override;
+
+		// Implementation of Device interface
+
+		void Attached(Bus* bus, AddressT base) override;
+
+		u8 PeekByte(AddressT address) override;
+		u16 PeekShort(AddressT address) override;
+		u32 PeekWord(AddressT address) override;
+
+		void PokeByte(AddressT address, u8 value) override;
+		void PokeShort(AddressT address, u16 value) override;
+		void PokeWord(AddressT address, u32 value) override;
+
+	   private:
+		/// helper used for implementing stuff
+		template <class T>
+		constexpr usize AddressToIndex(AddressT address) {
+			return ((address - baseAddress) % memorySize) / sizeof(T);
+		}
+
+		// remember what we were attached to via "signal"
+		Bus* attachedBus {};
+		AddressT baseAddress {};
+
+		u8* memory {};
+		usize memorySize {};
+	};
+
+} // namespace riscv::devices

native/projects/riscv/src/Devices/RamDevice.cpp

@@ -0,0 +1,53 @@
+#include <riscv/Devices/RamDevice.hpp>
+
+#include "riscv/Types.hpp"
+
+namespace riscv::devices {
+
+	RamDevice::RamDevice(AddressT size) : Bus::Device(), memorySize(size) {
+		memory = new u8[size];
+		LUCORE_CHECK(memory, "Could not allocate buffer for memory device with size 0x{:08x}.",
+					 size);
+	}
+
+	RamDevice::~RamDevice() {
+		if(memory)
+			delete[] memory;
+	}
+
+	AddressT RamDevice::Size() const {
+		return memorySize;
+	}
+
+	// Implementation of Device interface
+
+	void RamDevice::Attached(Bus* bus, AddressT base) {
+		attachedBus = bus;
+		baseAddress = base;
+	}
+
+	u8 RamDevice::PeekByte(AddressT address) {
+		return memory[AddressToIndex<u8>(address)];
+	}
+
+	u16 RamDevice::PeekShort(AddressT address) {
+		return std::bit_cast<u16*>(memory)[AddressToIndex<u16>(address)];
+	}
+
+	u32 RamDevice::PeekWord(AddressT address) {
+		return std::bit_cast<u32*>(memory)[AddressToIndex<u32>(address)];
+	}
+
+	void RamDevice::PokeByte(AddressT address, u8 value) {
+		memory[AddressToIndex<u8>(address)] = value;
+	}
+
+	void RamDevice::PokeShort(AddressT address, u16 value) {
+		std::bit_cast<u16*>(memory)[AddressToIndex<u16>(address)] = value;
+	}
+
+	void RamDevice::PokeWord(AddressT address, u32 value) {
+		std::bit_cast<u32*>(memory)[AddressToIndex<u32>(address)] = value;
+	}
+
+} // namespace riscv::devices

native/projects/riscv/src/MemoryDevice.cpp

@@ -1,84 +0,0 @@
-#include <riscv/Bus.hpp>
-
-namespace riscv {
-
-	namespace {
-
-		template <bool Rom>
-		struct BasicMemoryDevice : public Bus::Device {
-			BasicMemoryDevice(usize size) : Bus::Device(), memorySize(size) {
-				memory = new u8[size];
-				LUCORE_CHECK(memory, "Could not allocate buffer for memory device.");
-			}
-
-			virtual ~BasicMemoryDevice() {
-				if(memory)
-					delete[] memory;
-			}
-
-			AddressT Size() const override {
-				return memorySize;
-			}
-
-			// Implementation of Device interface
-
-			void Attached(Bus* bus, AddressT base) override {
-				attachedBus = bus;
-				baseAddress = base;
-			}
-
-			u8 PeekByte(AddressT address) override {
-				return memory[AddressToIndex<u8>(address)];
-			}
-
-			u16 PeekShort(AddressT address) override {
-				return std::bit_cast<u16*>(memory)[AddressToIndex<u16>(address)];
-			}
-
-			u32 PeekWord(AddressT address) override {
-				return std::bit_cast<u32*>(memory)[AddressToIndex<u32>(address)];
-			}
-
-			void PokeByte(AddressT address, u8 value) override {
-				if constexpr(!Rom) {
-					memory[AddressToIndex<u8>(address)] = value;
-				}
-			}
-
-			void PokeShort(AddressT address, u16 value) override {
-				if constexpr(!Rom) {
-					std::bit_cast<u16*>(memory)[AddressToIndex<u16>(address)] = value;
-				}
-			}
-
-			void PokeWord(AddressT address, u32 value) override {
-				if constexpr(!Rom) {
-					std::bit_cast<u32*>(memory)[AddressToIndex<u32>(address)] = value;
-				}
-			}
-
-		   private:
-			/// helper used for implementing stuff
-			template <class T>
-			constexpr usize AddressToIndex(AddressT address) {
-				return ((address - baseAddress) % memorySize) / sizeof(T);
-			}
-
-			// remember what we were attached to via "signal"
-			Bus* attachedBus {};
-			AddressT baseAddress {};
-
-			u8* memory {};
-			usize memorySize {};
-		};
-
-		using RamDevice = BasicMemoryDevice<false>;
-		using RomDevice = BasicMemoryDevice<true>;
-
-	} // namespace
-
-	Bus::Device* NewRam(usize size) {
-		return new RamDevice(size);
-	}
-
-} // namespace riscv