Make CDolLoader a bit more c++ish, make wii dols be detected by the presence of a mfspr x, HID4.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6909 8ced0084-cf51-0410-be5f-012b33b47a6e

Externals/Bochs_disasm/PowerPCDisasm.cpp

@@ -243,6 +243,7 @@ typedef unsigned int ppc_word;
 		case 1008: return "HID0";
 		case 1009: return "HID1";
 		case 1010: return "IABR";
+		case 1011: return "HID4";
 		case 1013: return "DABR";
 		case 1017: return "L2CR";
 		case 1019: return "ICTC";

Source/Core/Core/Src/Boot/Boot.cpp

@@ -231,8 +231,9 @@ bool CBoot::BootUp()
 	// DOL
 	case SCoreStartupParameter::BOOT_DOL:
 	{
+		CDolLoader dolLoader(_StartupPara.m_strFilename.c_str());
 		// Check if we have gotten a Wii file or not
-		bool dolWii = CDolLoader::IsDolWii(_StartupPara.m_strFilename.c_str());
+		bool dolWii = dolLoader.IsWii();
 		if (dolWii != _StartupPara.bWii)
 		{
 			PanicAlertT("Warning - starting DOL in wrong console mode!");
@@ -261,7 +262,7 @@ bool CBoot::BootUp()
 
 		if (!BS2Success)
 		{
-			CDolLoader dolLoader(_StartupPara.m_strFilename.c_str());
+			dolLoader.Load();
 			PC = dolLoader.GetEntryPoint();
 		}
 

Source/Core/Core/Src/Boot/Boot_DOL.cpp

@@ -17,18 +17,17 @@
 
 #include "Boot_DOL.h"
 #include "FileUtil.h"
-
 #include "../HW/Memmap.h"
-
+#include "CommonFuncs.h"
 
 CDolLoader::CDolLoader(u8* _pBuffer, u32 _Size)
-	: m_bInit(false)
+	: m_isWii(false)
 {
-	m_bInit = Initialize(_pBuffer, _Size);
+	Initialize(_pBuffer, _Size);
 }
 
-CDolLoader::CDolLoader(const char* _szFilename) 
-	: m_bInit(false)
+CDolLoader::CDolLoader(const char* _szFilename)
+	: m_isWii(false)
 {
 	u64 size = File::GetSize(_szFilename);
 	u8* tmpBuffer = new u8[(size_t)size];
@@ -37,27 +36,79 @@ CDolLoader::CDolLoader(const char* _szFilename)
 	fread(tmpBuffer, (size_t)size, 1, pStream);
 	fclose(pStream);
 
-	m_bInit = Initialize(tmpBuffer, (u32)size);
-	delete[] tmpBuffer;
+	Initialize(tmpBuffer, (u32)size);
+	delete [] tmpBuffer;
 }
 
-bool CDolLoader::Initialize(u8* _pBuffer, u32 _Size)
+CDolLoader::~CDolLoader()
+{
+	for (int i = 0; i < DOL_NUM_TEXT; i++)
+	{
+		delete [] text_section[i];
+		text_section[i] = NULL;
+	}
+
+	for (int i = 0; i < DOL_NUM_DATA; i++)
+	{
+		delete [] data_section[i];
+		data_section[i] = NULL;
+	}
+}
+
+void CDolLoader::Initialize(u8* _pBuffer, u32 _Size)
 {	
 	memcpy(&m_dolheader, _pBuffer, sizeof(SDolHeader));
 
 	// swap memory
 	u32* p = (u32*)&m_dolheader;
-	for (size_t i=0; i<(sizeof(SDolHeader)>>2); i++)	
+	for (size_t i = 0; i < (sizeof(SDolHeader)/sizeof(u32)); i++)	
 		p[i] = Common::swap32(p[i]);
 
+	for (int i = 0; i < DOL_NUM_TEXT; i++)
+		text_section[i] = NULL;
+	for (int i = 0; i < DOL_NUM_DATA; i++)
+		data_section[i] = NULL;
+	
+	u32 HID4_pattern = 0x7c13fba6;
+	u32 HID4_mask = 0xfc1fffff;
+
+	for (int i = 0; i < DOL_NUM_TEXT; i++)
+	{
+		if (m_dolheader.textOffset[i] != 0)
+		{
+			text_section[i] = new u8[m_dolheader.textSize[i]];
+			memcpy(text_section[i], _pBuffer + m_dolheader.textOffset[i], m_dolheader.textSize[i]);
+			for (int j = 0; j < (m_dolheader.textSize[i]/sizeof(u32)); j++)
+			{
+				u32 word = Common::swap32(((u32*)text_section[i])[j]);
+				if ((word & HID4_mask) == HID4_pattern)
+				{
+					m_isWii = true;
+					break;
+				}
+			}
+		}
+	}
+
+	for (int i = 0; i < DOL_NUM_DATA; i++)
+	{
+		if (m_dolheader.dataOffset[i] != 0)
+		{
+			data_section[i] = new u8[m_dolheader.dataSize[i]];
+			memcpy(data_section[i], _pBuffer + m_dolheader.dataOffset[i], m_dolheader.dataSize[i]);
+		}
+	}
+}
+
+void CDolLoader::Load()
+{
 	// load all text (code) sections
 	for (int i = 0; i < DOL_NUM_TEXT; i++)
 	{
 		if (m_dolheader.textOffset[i] != 0)
 		{
-			u8* pTemp = &_pBuffer[m_dolheader.textOffset[i]];
 			for (u32 num = 0; num < m_dolheader.textSize[i]; num++)
-				Memory::Write_U8(pTemp[num], m_dolheader.textAddress[i] + num);
+				Memory::Write_U8(text_section[i][num], m_dolheader.textAddress[i] + num);
 		}
 	}
 
@@ -66,32 +117,8 @@ bool CDolLoader::Initialize(u8* _pBuffer, u32 _Size)
 	{
 		if (m_dolheader.dataOffset[i] != 0)
 		{
-			u8* pTemp = &_pBuffer[m_dolheader.dataOffset[i]];
 			for (u32 num = 0; num < m_dolheader.dataSize[i]; num++)
-				Memory::Write_U8(pTemp[num], m_dolheader.dataAddress[i] + num);
+				Memory::Write_U8(data_section[i][num], m_dolheader.dataAddress[i] + num);
 		}
 	}
-
-	return true;
-}
-
-u32 CDolLoader::GetEntryPoint()
-{
-	return m_dolheader.entryPoint;
-}
-
-bool CDolLoader::IsDolWii(const char* filename)
-{
-	// try to open file
-	FILE* pStream = fopen(filename, "rb");
-	if (pStream)
-	{
-		fseeko(pStream, 0xe0, SEEK_SET);
-		u32 entrypt = fgetc(pStream) << 24 | fgetc(pStream) << 16 |
-			fgetc(pStream) << 8 | fgetc(pStream);
-
-		fclose(pStream);
-		return entrypt >= 0x80004000;
-	}
-	return 0;
-}
+}

Source/Core/Core/Src/Boot/Boot_DOL.h

@@ -25,10 +25,13 @@ class CDolLoader
 public:
 	CDolLoader(const char* _szFilename);
 	CDolLoader(u8* _pBuffer, u32 _Size);
+	~CDolLoader();
 
-	u32 GetEntryPoint();
-	
-	static bool IsDolWii(const char* filename);
+	bool IsWii()		{ return m_isWii; }
+	u32 GetEntryPoint()	{ return m_dolheader.entryPoint; }
+
+	// Load into emulated memory
+	void Load();
 
 private:
 	enum
@@ -36,26 +39,32 @@ private:
 		DOL_NUM_TEXT	= 7,
 		DOL_NUM_DATA	= 11
 	};
+
 	struct SDolHeader
 	{
-		u32     textOffset[DOL_NUM_TEXT];
-		u32     dataOffset[DOL_NUM_DATA];
+		u32 textOffset[DOL_NUM_TEXT];
+		u32 dataOffset[DOL_NUM_DATA];
 
-		u32     textAddress[DOL_NUM_TEXT];
-		u32     dataAddress[DOL_NUM_DATA];
+		u32 textAddress[DOL_NUM_TEXT];
+		u32 dataAddress[DOL_NUM_DATA];
 
-		u32     textSize[DOL_NUM_TEXT];
-		u32     dataSize[DOL_NUM_DATA];
+		u32 textSize[DOL_NUM_TEXT];
+		u32 dataSize[DOL_NUM_DATA];
 
-		u32     bssAddress;
-		u32     bssSize;
-		u32     entryPoint;
-		u32     padd[7];
+		u32 bssAddress;
+		u32 bssSize;
+		u32 entryPoint;
+		u32 padd[7];
 	};
 	SDolHeader m_dolheader;
-	bool m_bInit;
 
-	bool Initialize(u8* _pBuffer, u32 _Size);
+	u8 *data_section[DOL_NUM_DATA];
+	u8 *text_section[DOL_NUM_TEXT];
+
+	bool m_isWii;
+
+	// Copy sections to internal buffers
+	void Initialize(u8* _pBuffer, u32 _Size);
 };
 
 #endif

Source/Core/Core/Src/CoreParameter.cpp

@@ -189,7 +189,8 @@ bool SCoreStartupParameter::AutoSetup(EBootBS2 _BootBS2)
 			}
 			else if (!strcasecmp(Extension.c_str(), ".dol"))
 			{
-				bWii = CDolLoader::IsDolWii(m_strFilename.c_str());
+				CDolLoader dolfile(m_strFilename.c_str());
+				bWii = dolfile.IsWii();
 				Region = USA_DIR; 
 				m_BootType = BOOT_DOL;
 				bNTSC = true;