CFG: Create a new subfolder cfg inside service to handle cfg

Moved most of the shared CFG code there, implemented a few CFG:I functions

src/core/hle/service/cfg/cfg_i.cpp

@@ -0,0 +1,113 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#include "common/log.h"
+#include "core/hle/hle.h"
+#include "core/hle/service/cfg/cfg.h"
+#include "core/hle/service/cfg/cfg_i.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Namespace CFG_I
+
+namespace CFG_I {
+    
+/**
+ * CFG_I::GetConfigInfoBlk8 service function
+ * This function is called by two command headers,
+ * there appears to be no difference between them according to 3dbrew
+ *  Inputs:
+ *      0 : 0x04010082 / 0x08010082
+ *      1 : Size
+ *      2 : Block ID
+ *      3 : Descriptor for the output buffer
+ *      4 : Output buffer pointer
+ *  Outputs:
+ *      1 : Result of function, 0 on success, otherwise error code
+ */
+static void GetConfigInfoBlk8(Service::Interface* self) {
+    u32* cmd_buffer = Kernel::GetCommandBuffer();
+    u32 size = cmd_buffer[1];
+    u32 block_id = cmd_buffer[2];
+    u8* data_pointer = Memory::GetPointer(cmd_buffer[4]);
+
+    if (data_pointer == nullptr) {
+        cmd_buffer[1] = -1; // TODO(Subv): Find the right error code
+        return;
+    }
+
+    cmd_buffer[1] = Service::CFG::GetConfigInfoBlock(block_id, size, 0x8, data_pointer).raw;
+}
+
+/**
+ * CFG_I::UpdateConfigNANDSavegame service function
+ * This function is called by two command headers, 
+ * there appears to be no difference between them according to 3dbrew
+ *  Inputs:
+ *      0 : 0x04030000 / 0x08030000
+ *  Outputs:
+ *      1 : Result of function, 0 on success, otherwise error code
+ */
+static void UpdateConfigNANDSavegame(Service::Interface* self) {
+    u32* cmd_buffer = Kernel::GetCommandBuffer();
+    cmd_buffer[1] = Service::CFG::UpdateConfigNANDSavegame().raw;
+}
+
+/**
+ * CFG_I::FormatConfig service function
+ *  Inputs:
+ *      0 : 0x08060000
+ *  Outputs:
+ *      1 : Result of function, 0 on success, otherwise error code
+ */
+static void FormatConfig(Service::Interface* self) {
+    u32* cmd_buffer = Kernel::GetCommandBuffer();
+    cmd_buffer[1] = Service::CFG::FormatConfig().raw;
+}
+
+const Interface::FunctionInfo FunctionTable[] = {
+    {0x04010082, GetConfigInfoBlk8,     "GetConfigInfoBlk8"},
+    {0x04020082, nullptr,               "SetConfigInfoBlk4"},
+    {0x04030000, UpdateConfigNANDSavegame, "UpdateConfigNANDSavegame"},
+    {0x04040042, nullptr,               "GetLocalFriendCodeSeedData"},
+    {0x04050000, nullptr,               "GetLocalFriendCodeSeed"},
+    {0x04060000, nullptr,               "SecureInfoGetRegion"},
+    {0x04070000, nullptr,               "SecureInfoGetByte101"},
+    {0x04080042, nullptr,               "SecureInfoGetSerialNo"},
+    {0x04090000, nullptr,               "UpdateConfigBlk00040003"},
+    {0x08010082, GetConfigInfoBlk8,     "GetConfigInfoBlk8"},
+    {0x08020082, nullptr,               "SetConfigInfoBlk4"},
+    {0x08030000, UpdateConfigNANDSavegame, "UpdateConfigNANDSavegame"},
+    {0x080400C2, nullptr,               "CreateConfigInfoBlk"},
+    {0x08050000, nullptr,               "DeleteConfigNANDSavefile"},
+    {0x08060000, FormatConfig,          "FormatConfig"},
+    {0x08070000, nullptr,               "Unknown"},
+    {0x08080000, nullptr,               "UpdateConfigBlk1"},
+    {0x08090000, nullptr,               "UpdateConfigBlk2"},
+    {0x080A0000, nullptr,               "UpdateConfigBlk3"},
+    {0x080B0082, nullptr,               "SetGetLocalFriendCodeSeedData"},
+    {0x080C0042, nullptr,               "SetLocalFriendCodeSeedSignature"},
+    {0x080D0000, nullptr,               "DeleteCreateNANDLocalFriendCodeSeed"},
+    {0x080E0000, nullptr,               "VerifySigLocalFriendCodeSeed"},
+    {0x080F0042, nullptr,               "GetLocalFriendCodeSeedData"},
+    {0x08100000, nullptr,               "GetLocalFriendCodeSeed"},
+    {0x08110084, nullptr,               "SetSecureInfo"},
+    {0x08120000, nullptr,               "DeleteCreateNANDSecureInfo"},
+    {0x08130000, nullptr,               "VerifySigSecureInfo"},
+    {0x08140042, nullptr,               "SecureInfoGetData"},
+    {0x08150042, nullptr,               "SecureInfoGetSignature"},
+    {0x08160000, nullptr,               "SecureInfoGetRegion"},
+    {0x08170000, nullptr,               "SecureInfoGetByte101"},
+    {0x08180042, nullptr,               "SecureInfoGetSerialNo"},
+};
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Interface class
+
+Interface::Interface() {
+    Register(FunctionTable, ARRAY_SIZE(FunctionTable));
+}
+
+Interface::~Interface() {
+}
+
+} // namespace