Initial compile on linux

Makefile

@@ -2,7 +2,7 @@ CONFIG ?= Debug
 LIB ?= 0
 
 ifeq ($(CONFIG),Debug)
-BUILD_DIR     := build/debug
+BUILD_DIR     := build/Debug
 FUNC_OPTFLAGS := -Og -g -fno-strict-aliasing
 OPTFLAGS      := -Og -g -fno-strict-aliasing
 # Static C runtime linking
@@ -10,21 +10,56 @@ LIBS          := -Wl,/nodefaultlib:libcmt -Wl,/nodefaultlib:ucrt -Wl,/nodefaultl
 # Dynamic
 # LIBS          := -Wl,/nodefaultlib:libcmt -Wl,/nodefaultlib:ucrt -Wl,/nodefaultlib:libucrt -lmsvcrtd -lvcruntimed -lucrtd
 else ifeq ($(CONFIG),Release)
-BUILD_DIR     := build/release
+BUILD_DIR     := build/Release
 FUNC_OPTFLAGS := -O2 -g -fno-strict-aliasing
 OPTFLAGS      := -O2 -g -fno-strict-aliasing
-# Static C runtime linking
-LIBS          := -Wl,/nodefaultlib:libcmt -Wl,/nodefaultlib:ucrt -Wl,/nodefaultlib:libucrt -llibcmt -llibvcruntime -llibucrt
-# Dynamic
-# LIBS          := -Wl,/nodefaultlib:libcmt -Wl,/nodefaultlib:ucrt -Wl,/nodefaultlib:libucrt -lmsvcrt -lvcruntime -lucrt
 else
 $(error "Invalid build configuration: $(CONFIG)")
 endif
 
+ifeq ($(OS),Windows_NT)
+DYN_EXT  := .dll
+LIB_EXT  := .lib
+EXE_EXT  := .exe
+AR       := clang++
+ARFLAGS  := $(OPTFLAGS) -fuse-ld=llvm-lib -o
+# Static C runtime linking
+LIBS     := -Wl,/nodefaultlib:libcmt -Wl,/nodefaultlib:ucrt -Wl,/nodefaultlib:libucrt -llibcmt -llibvcruntime -llibucrt
+# Dynamic
+# LIBS   := -Wl,/nodefaultlib:libcmt -Wl,/nodefaultlib:ucrt -Wl,/nodefaultlib:libucrt -lmsvcrt -lvcruntime -lucrt
+LIB_DIR  ?= C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.29.30133\lib\x64
+UCRT_DIR ?= C:\Program Files (x86)\Windows Kits\10\lib\10.0.22000.0\ucrt\x64;
+SDK_DIR  ?= C:\Program Files (x86)\Windows Kits\10\lib\10.0.22000.0\um\x64
+    define mkdir
+        mkdir $(subst /,\\,$(1))
+    endef
+    define rmdir
+        rmdir /S /Q $(subst /,\\,$(1))
+    endef
+else
+DYN_EXT := .so
+LIB_EXT := .a
+EXE_EXT := 
+LIB_PRE := lib
+AR      := ar
+ARFLAGS := rcs
+    define mkdir
+        mkdir -p $(1)
+    endef
+    define rmdir
+        rm -rf $(1)
+    endef
+endif
+
 SRC_DIRS := portultra src rsp
 
+# Add the main folder if not building a library
+ifneq ($(LIB),1)
+SRC_DIRS += src/main
+endif
+
 FUNCS_DIR := RecompiledFuncs
-FUNCS_LIB := $(BUILD_DIR)/RecompiledFuncs.lib
+FUNCS_LIB := $(BUILD_DIR)/$(LIB_PRE)RecompiledFuncs$(LIB_EXT)
 FUNCS_C_SRCS   := $(wildcard $(FUNCS_DIR)/*.c)
 FUNCS_CXX_SRCS := $(wildcard $(FUNCS_DIR)/*.cpp)
 
@@ -44,34 +79,37 @@ ALL_OBJS := $(C_OBJS) $(CXX_OBJS)
 
 CC  := clang
 CXX := clang++
-LIB := clang++
 LD  := clang++
 
 FUNC_CFLAGS   := $(FUNC_OPTFLAGS) -c -Wno-unused-but-set-variable
 FUNC_CXXFLAGS := $(FUNC_OPTFLAGS) -std=c++20 -c
 FUNC_CPPFLAGS := -Iinclude
-LIBFLAGS      := $(OPTFLAGS) -fuse-ld=llvm-lib
-LIB_DIR       ?= C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.29.30133\lib\x64
-UCRT_DIR      ?= C:\Program Files (x86)\Windows Kits\10\lib\10.0.22000.0\ucrt\x64;
-SDK_DIR       ?= C:\Program Files (x86)\Windows Kits\10\lib\10.0.22000.0\um\x64
 
 WARNFLAGS := -Wall -Wextra -Wpedantic -Wno-gnu-anonymous-struct
 CFLAGS    := -ffunction-sections -fdata-sections -march=nehalem $(OPTFLAGS) $(WARNFLAGS) -c
 CXXFLAGS  := -ffunction-sections -fdata-sections -march=nehalem $(OPTFLAGS) $(WARNFLAGS) -std=c++20 -c
 CPPFLAGS  := -Iinclude -Ithirdparty
-LDFLAGS   := -v -Wl,/OPT:REF $(OPTFLAGS) $(LIBS) -L"$(LIB_DIR:;=)" -L"$(UCRT_DIR:;=)" -L"$(SDK_DIR:;=)" lib/RT64/$(CONFIG)/RT64.lib
+
+ifeq ($(OS),Windows_NT)
+LDFLAGS := -v -Wl,/OPT:REF $(OPTFLAGS) $(LIBS) -L"$(LIB_DIR:;=)" -L"$(UCRT_DIR:;=)" -L"$(SDK_DIR:;=)" lib/RT64/$(CONFIG)/RT64.lib
+else
+LDFLAGS := $(OPTFLAGS) -L$(BUILD_DIR) -lRecompiledFuncs -L. -lrt64 -lSDL2 -lX11 -Wl,--gc-sections
+FUNC_CFLAGS   += -ffunction-sections -fdata-sections
+FUNC_CXXFLAGS += -ffunction-sections -fdata-sections
+EXTRA_DEPS := librt64.a
+endif
 
 ifeq ($(LIB),1)
-TARGET := $(BUILD_DIR)/MMRecomp.dll
+TARGET := $(BUILD_DIR)/MMRecomp$(DYN_EXT)
 LDFLAGS += -shared
 else
-TARGET := $(BUILD_DIR)/MMRecomp.exe
+TARGET := $(BUILD_DIR)/MMRecomp$(EXE_EXT)
 endif
 
 default: $(TARGET)
 
 clean:
-	rmdir /S /Q $(subst /,\\,$(BUILD_DIR))
+	$(call rmdir,$(BUILD_DIR))
 
 cleanfuncs:
 
@@ -83,7 +121,7 @@ $(FUNCS_C_OBJS) : $(BUILD_DIR)/%.o : %.c | $(FUNC_BUILD_DIR)
 	@$(CC) $(FUNC_CFLAGS) $(FUNC_CPPFLAGS) $^ -o $@
 
 $(FUNCS_LIB): $(ALL_FUNC_OBJS) | $(BUILD_DIR)
-	$(LIB) $(LIBFLAGS) $(FUNC_BUILD_DIR)/*.o -o $@
+	$(AR) $(ARFLAGS) $@ $(FUNC_BUILD_DIR)/*.o
 
 
 
@@ -93,11 +131,11 @@ $(CXX_OBJS) : $(BUILD_DIR)/%.o : %.cpp | $(BUILD_SRC_DIRS)
 $(C_OBJS) : $(BUILD_DIR)/%.o : %.c | $(BUILD_SRC_DIRS)
 	$(CC) -MMD -MF $(@:.o=.d) $(CFLAGS) $(CPPFLAGS) $< -o $@
 
-$(TARGET): $(FUNCS_LIB) $(ALL_OBJS) | $(BUILD_SRC_DIRS)
+$(TARGET): $(FUNCS_LIB) $(ALL_OBJS) $(EXTRA_DEPS) | $(BUILD_SRC_DIRS)
-	$(LD) $(LDFLAGS) -o $@ $^
+	$(LD) -o $@ $^ $(LDFLAGS)
 
 $(BUILD_SRC_DIRS) $(FUNC_BUILD_DIR) $(BUILD_DIR):
-	mkdir $(subst /,\\,$@)
+	$(call mkdir,$@)
 
 -include $(ALL_OBJS:.o=.d)
 

include/recomp.h

@@ -304,6 +304,8 @@ extern int32_t section_addresses[];
 //    ctx->r2 = setjmp(buf->storage->buffer); \
 //}
 
+void pause_self(uint8_t *rdram);
+
 #ifdef __cplusplus
 }
 #endif

include/rsp_vu.h

@@ -58,6 +58,11 @@ template<u32 bits> inline auto sclamp(s64 x) -> s64 {
   return (x > m) ? m : (x < -b) ? -b : x;
 }
 
+template<u32 bits> inline auto sclip(s64 x) -> s64 {
+  enum : u64 { b = 1ull << (bits - 1), m = b * 2 - 1 };
+  return ((x & m) ^ b) - b;
+}
+
 struct RSP {
     using r32 = uint32_t;
     using cr32 = const r32;

include/rt64_layer.h

@@ -45,9 +45,14 @@ typedef struct {
     // const unsigned int* RDRAM_SIZE;
 } GFX_INFO;
 
+#ifdef _WIN32
 #define DLLEXPORT extern "C" __declspec(dllexport)  
 #define DLLIMPORT extern "C" __declspec(dllimport)
 #define CALL   __cdecl
+#else
+#define DLLEXPORT extern "C" __attribute__((visibility("default")))
+#define DLLIMPORT extern "C"
+#endif
 
 // Dynamic loading
 //DLLEXPORT int (CALL *InitiateGFX)(GFX_INFO Gfx_Info) = nullptr;

portultra/events.cpp

@@ -7,8 +7,8 @@
 #include <utility>
 #include <mutex>
 #include <queue>
+#include <cstring>
 
-#include <Windows.h>
 #include "blockingconcurrentqueue.h"
 
 #include "ultra64.h"

portultra/task_win32.cpp

@@ -1,3 +1,5 @@
+#ifdef _WIN32
+
 #include <Windows.h>
 
 #include "ultra64.h"
@@ -7,3 +9,5 @@ extern "C" unsigned int sleep(unsigned int seconds) {
     Sleep(seconds * 1000);
     return 0;
 }
+
+#endif

portultra/threads.cpp

@@ -7,8 +7,10 @@
 #include "multilibultra.hpp"
 
 // Native APIs only used to set thread names for easier debugging
-#ifdef _WIN32
+#if defined(_WIN32)
 #include <Windows.h>
+#elif defined(__linux__)
+#include <pthread.h>
 #endif
 
 extern "C" void bootproc();
@@ -43,7 +45,7 @@ void run_thread_function(uint8_t* rdram, uint64_t addr, uint64_t sp, uint64_t ar
 
 struct thread_terminated : std::exception {};
 
-#ifdef _WIN32
+#if defined(_WIN32)
 void Multilibultra::set_native_thread_name(const std::string& name) {
     std::wstring wname{name.begin(), name.end()};
 
@@ -80,6 +82,38 @@ void Multilibultra::set_native_thread_priority(ThreadPriority pri) {
     }
     // SetThreadPriority(GetCurrentThread(), nPriority);
 }
+#elif defined(__linux__)
+void Multilibultra::set_native_thread_name(const std::string& name) {
+    pthread_setname_np(pthread_self(), name.c_str());
+}
+
+void Multilibultra::set_native_thread_priority(ThreadPriority pri) {
+    // TODO linux thread priority
+    printf("set_native_thread_priority unimplemented\n");
+    // int nPriority = THREAD_PRIORITY_NORMAL;
+
+    // // Convert ThreadPriority to Win32 priority
+    // switch (pri) {
+    //     case ThreadPriority::Low:
+    //         nPriority = THREAD_PRIORITY_BELOW_NORMAL;
+    //         break;
+    //     case ThreadPriority::Normal:
+    //         nPriority = THREAD_PRIORITY_NORMAL;
+    //         break;
+    //     case ThreadPriority::High:
+    //         nPriority = THREAD_PRIORITY_ABOVE_NORMAL;
+    //         break;
+    //     case ThreadPriority::VeryHigh:
+    //         nPriority = THREAD_PRIORITY_HIGHEST;
+    //         break;
+    //     case ThreadPriority::Critical:
+    //         nPriority = THREAD_PRIORITY_TIME_CRITICAL;
+    //         break;
+    //     default:
+    //         throw std::runtime_error("Invalid thread priority!");
+    //         break;
+    // }
+}
 #endif
 
 static void _thread_func(RDRAM_ARG PTR(OSThread) self_, PTR(thread_func_t) entrypoint, PTR(void) arg) {

src/overlays.cpp

@@ -12,6 +12,11 @@ struct LoadedSection {
     int32_t loaded_ram_addr;
     size_t section_table_index;
 
+    LoadedSection(int32_t loaded_ram_addr_, size_t section_table_index_) {
+        loaded_ram_addr = loaded_ram_addr_;
+        section_table_index = section_table_index_;
+    }
+
     bool operator<(const LoadedSection& rhs) {
         return loaded_ram_addr < rhs.loaded_ram_addr;
     }

src/pi.cpp

@@ -1,6 +1,7 @@
 #include <memory>
 #include <fstream>
 #include <array>
+#include <cstring>
 #include "recomp.h"
 #include "../portultra/ultra64.h"
 #include "../portultra/multilibultra.hpp"

src/recomp.cpp

@@ -3,6 +3,7 @@
 #endif
 #include <cstdio>
 #include <cstdlib>
+#include <cstring>
 #include <memory>
 #include <cmath>
 #include <unordered_map>
@@ -11,6 +12,12 @@
 #include "recomp.h"
 #include "../portultra/multilibultra.hpp"
 
+#ifdef _WIN32
+#define EXPORT __declspec(dllexport)
+#else
+#define EXPORT __attribute__((visibility("default")))
+#endif
+
 #ifdef _MSC_VER
 inline uint32_t byteswap(uint32_t val) {
     return _byteswap_ulong(val);
@@ -72,7 +79,7 @@ extern "C" void unload_overlays(int32_t ram_addr, uint32_t size);
 std::unique_ptr<uint8_t[]> rdram_buffer;
 recomp_context context{};
 
-__declspec(dllexport) extern "C" void init() {
+EXPORT extern "C" void init() {
     {
         std::basic_ifstream<uint8_t> rom_file{ get_rom_name(), std::ios::binary };
 
@@ -133,7 +140,7 @@ __declspec(dllexport) extern "C" void init() {
     MEM_W(osMemSize, 0) = 8 * 1024 * 1024; // 8MB
 }
 
-__declspec(dllexport) extern "C" void start(void* window_handle, const Multilibultra::audio_callbacks_t* audio_callbacks, const Multilibultra::input_callbacks_t* input_callbacks) {
+EXPORT extern "C" void start(void* window_handle, const Multilibultra::audio_callbacks_t* audio_callbacks, const Multilibultra::input_callbacks_t* input_callbacks) {
     Multilibultra::set_audio_callbacks(audio_callbacks);
     Multilibultra::set_input_callbacks(input_callbacks);
     std::thread game_thread{[](void* window_handle) {

src/rt64_layer.cpp

@@ -1,5 +1,6 @@
 #include <memory>
-#include <Windows.h>
+#include <cstring>
+// #include <Windows.h>
 
 #include "../portultra/multilibultra.hpp"
 #include "rt64_layer.h"