Added POD serialization

externals/boost

@@ -1 +1 @@
-Subproject commit 1acb9699ac8e91654331504cf3524b26463eeee4
+Subproject commit d2a5baa1ad701671a7ef547ef71cb0f0c80ce2cf

src/common/CMakeLists.txt

@@ -84,6 +84,7 @@ add_library(common STATIC
     misc.cpp
     param_package.cpp
     param_package.h
+    pod.h
     quaternion.h
     ring_buffer.h
     scm_rev.cpp

src/common/pod.h

@@ -0,0 +1,20 @@
+#include "boost/serialization/split_member.hpp"
+
+#define SERIALIZE_AS_POD                                             \
+    private:                                                         \
+    friend class boost::serialization::access;                       \
+    template<typename Archive>                                       \
+    void save(Archive & ar, const unsigned int file_version) const { \
+        ar.save_binary(this, sizeof(*this));                         \
+    }                                                                \
+    template<typename Archive>                                       \
+    void load(Archive & ar, const unsigned int file_version) {       \
+        ar.load_binary(this, sizeof(*this));                         \
+    }                                                                \
+    template<class Archive>                                          \
+    void serialize(                                                  \
+        Archive &ar,                                                 \
+        const unsigned int file_version                              \
+    ){                                                               \
+        boost::serialization::split_member(ar, *this, file_version); \
+    }

src/core/core.h

@@ -15,6 +15,7 @@
 #include "core/memory.h"
 #include "core/perf_stats.h"
 #include "core/telemetry_session.h"
+class boost::serialization::access;
 
 class ARM_Interface;
 
@@ -338,6 +339,14 @@ private:
 
     std::atomic<bool> reset_requested;
     std::atomic<bool> shutdown_requested;
+
+    friend class boost::serialization::access;
+    template<typename Archive>
+    void serialize(Archive & ar, const unsigned int file_version)
+    {
+        ar & GPU::g_regs;
+        ar & LCD::g_regs;
+    }
 };
 
 inline ARM_Interface& CPU() {

src/core/hle/result.h

@@ -10,6 +10,7 @@
 #include "common/bit_field.h"
 #include "common/common_funcs.h"
 #include "common/common_types.h"
+#include "common/pod.h"
 
 // All the constants in this file come from http://3dbrew.org/wiki/Error_codes
 
@@ -225,6 +226,8 @@ union ResultCode {
     constexpr bool IsError() const {
         return is_error.ExtractValue(raw) == 1;
     }
+
+    SERIALIZE_AS_POD
 };
 
 constexpr bool operator==(const ResultCode& a, const ResultCode& b) {

src/core/hw/gpu.h

@@ -10,6 +10,7 @@
 #include "common/bit_field.h"
 #include "common/common_funcs.h"
 #include "common/common_types.h"
+#include "common/pod.h"
 
 namespace Memory {
 class MemorySystem;
@@ -296,6 +297,8 @@ private:
     static inline u32 DecodeAddressRegister(u32 register_value) {
         return register_value * 8;
     }
+
+    SERIALIZE_AS_POD
 };
 static_assert(std::is_standard_layout<Regs>::value, "Structure does not use standard layout");
 

src/core/hw/lcd.h

@@ -9,6 +9,7 @@
 #include "common/bit_field.h"
 #include "common/common_funcs.h"
 #include "common/common_types.h"
+#include "common/pod.h"
 
 #define LCD_REG_INDEX(field_name) (offsetof(LCD::Regs, field_name) / sizeof(u32))
 
@@ -50,6 +51,8 @@ struct Regs {
         u32* content = reinterpret_cast<u32*>(this);
         return content[index];
     }
+
+    SERIALIZE_AS_POD
 };
 static_assert(std::is_standard_layout<Regs>::value, "Structure does not use standard layout");
 

src/core/memory.cpp

@@ -4,7 +4,8 @@
 
 #include <array>
 #include <cstring>
-#include "boost/serialization/split_member.hpp"
+#include "boost/serialization/array.hpp"
+#include "boost/serialization/nvp.hpp"
 #include "audio_core/dsp_interface.h"
 #include "common/archives.h"
 #include "common/assert.h"
@@ -54,6 +55,16 @@ private:
     std::array<bool, VRAM_SIZE / PAGE_SIZE> vram{};
     std::array<bool, LINEAR_HEAP_SIZE / PAGE_SIZE> linear_heap{};
     std::array<bool, NEW_LINEAR_HEAP_SIZE / PAGE_SIZE> new_linear_heap{};
+
+    static_assert(sizeof(bool) == 1); // TODO: Maybe this isn't true?
+    friend class boost::serialization::access;
+    template<typename Archive>
+    void serialize(Archive & ar, const unsigned int file_version)
+    {
+        ar & vram;
+        ar & linear_heap;
+        ar & new_linear_heap;
+    }
 };
 
 class MemorySystem::Impl {
@@ -71,31 +82,29 @@ public:
     AudioCore::DspInterface* dsp = nullptr;
 
 private:
+
+    template<class Archive>
+    void add_blob(Archive & ar, std::unique_ptr<u8[]> & var, const char *name, std::size_t size)
+    {
+        ar & boost::serialization::make_nvp(
+            name,
+            *static_cast<u8 (*)[Memory::FCRAM_N3DS_SIZE]>(static_cast<void *>(var.get()))
+        );
+    }
+
     friend class boost::serialization::access;
     template<class Archive>
-    void save(Archive & ar, const unsigned int file_version) const
+    void serialize(Archive & ar, const unsigned int file_version)
     {
         // TODO: Skip n3ds ram when not used?
-        ar.save_binary(fcram.get(), Memory::FCRAM_N3DS_SIZE);
-        ar.save_binary(vram.get(), Memory::VRAM_SIZE);
-        ar.save_binary(n3ds_extra_ram.get(), Memory::N3DS_EXTRA_RAM_SIZE);
-        // ar & cache_marker;
+        add_blob(ar, fcram, "fcram", Memory::FCRAM_N3DS_SIZE);
+        add_blob(ar, vram, "vram", Memory::VRAM_SIZE);
+        add_blob(ar, n3ds_extra_ram, "n3ds_extra_ram", Memory::N3DS_EXTRA_RAM_SIZE);
+        ar & cache_marker;
+        // TODO: How the hell to do page tables..
         // ar & page_table_list;
         // ar & current_page_table;
     }
-
-    template<class Archive>
-    void load(Archive & ar, const unsigned int file_version)
-    {
-        ar.load_binary(fcram.get(), Memory::FCRAM_N3DS_SIZE);
-        ar.load_binary(vram.get(), Memory::VRAM_SIZE);
-        ar.load_binary(n3ds_extra_ram.get(), Memory::N3DS_EXTRA_RAM_SIZE);
-        // ar & cache_marker;
-        // ar & page_table_list;
-        // ar & current_page_table;
-    }
-
-    BOOST_SERIALIZATION_SPLIT_MEMBER()
 };
 
 SERIALIZE_IMPL(MemorySystem::Impl)