IOPBios: Differentiate ioman and iomanx dread & getStat HLE

Structure differences with fio_stat_t and fxio_stat_t make them incompatible

pcsx2/IopBios.cpp

@@ -56,6 +56,18 @@ typedef struct
 	unsigned char mtime[8];
 	unsigned int hisize;
 } fio_stat_t;
+typedef struct
+{
+	fio_stat_t _fioStat;
+	/** Number of subs (main) / subpart number (sub) */
+	unsigned int private_0;
+	unsigned int private_1;
+	unsigned int private_2;
+	unsigned int private_3;
+	unsigned int private_4;
+	/** Sector start.  */
+	unsigned int private_5;
+} fxio_stat_t;
 
 typedef struct
 {
@@ -64,6 +76,13 @@ typedef struct
 	unsigned int unknown;
 } fio_dirent_t;
 
+typedef struct
+{
+	fxio_stat_t stat;
+	char name[256];
+	unsigned int unknown;
+} fxio_dirent_t;
+
 static std::string hostRoot;
 
 void Hle_SetElfPath(const char* elfFileName)
@@ -201,6 +220,11 @@ namespace R3000A
 		return 0;
 	}
 
+	static int host_stat(const std::string path, fxio_stat_t* host_stats)
+	{
+		return host_stat(path, &host_stats->_fioStat);
+	}
+
 	// TODO: sandbox option, other permissions
 	class HostFile : public IOManFile
 	{
@@ -347,14 +371,23 @@ namespace R3000A
 			return 0;
 		}
 
-		virtual int read(void* buf) /* Flawfinder: ignore */
+		virtual int read(void* buf, bool iomanX) /* Flawfinder: ignore */
 		{
-			fio_dirent_t* hostcontent = (fio_dirent_t*)buf;
 			if (dir == results.end())
 				return 0;
 
+			if (iomanX)
+			{
+				fxio_dirent_t* hostcontent = (fxio_dirent_t*)buf;
 				StringUtil::Strlcpy(hostcontent->name, dir->FileName, sizeof(hostcontent->name));
 				host_stat(host_path(Path::Combine(basedir, dir->FileName), true), &hostcontent->stat);
+			}
+			else
+			{
+				fio_dirent_t* hostcontent = (fio_dirent_t*)buf;
+				StringUtil::Strlcpy(hostcontent->name, dir->FileName, sizeof(hostcontent->name));
+				host_stat(host_path(Path::Combine(basedir, dir->FileName), true), &hostcontent->stat);
+			}
 
 			dir = std::next(dir);
 			return 1;
@@ -591,11 +624,26 @@ namespace R3000A
 			return 0;
 		}
 
-		int dread_HLE()
+		int _dread_HLE(bool iomanX)
 		{
 			s32 fh = a0;
 			u32 data = a1;
+			if (iomanX)
+			{
+				if (IOManDir* dir = getfd<IOManDir>(fh))
+				{
+					char buf[sizeof(fxio_dirent_t)];
+					v0 = dir->read(&buf, iomanX); /* Flawfinder: ignore */
 
+					for (s32 i = 0; i < (s32)sizeof(fxio_dirent_t); i++)
+						iopMemWrite8(data + i, buf[i]);
+
+					pc = ra;
+					return 1;
+				}
+			}
+			else
+			{
 				if (IOManDir* dir = getfd<IOManDir>(fh))
 				{
 					char buf[sizeof(fio_dirent_t)];
@@ -607,11 +655,21 @@ namespace R3000A
 					pc = ra;
 					return 1;
 				}
-
+			}
 			return 0;
 		}
 
-		int getStat_HLE()
+		int dread_HLE()
+		{
+			return _dread_HLE(false);
+		}
+
+		int dreadx_HLE()
+		{
+			return _dread_HLE(true);
+		}
+
+		int _getStat_HLE(bool iomanx)
 		{
 			const std::string path = clean_path(Ra0);
 			u32 data = a1;
@@ -619,12 +677,22 @@ namespace R3000A
 			if (is_host(path))
 			{
 				const std::string full_path = host_path(path.substr(path.find(':') + 1), true);
+				if (iomanx)
+				{
+					char buf[sizeof(fxio_stat_t)];
+					v0 = host_stat(full_path, (fxio_stat_t*)&buf);
+
+					for (size_t i = 0; i < sizeof(fxio_stat_t); i++)
+						iopMemWrite8(data + i, buf[i]);
+				}
+				else
+				{
 					char buf[sizeof(fio_stat_t)];
 					v0 = host_stat(full_path, (fio_stat_t*)&buf);
 
-				for (s32 i = 0; i < (s32)sizeof(fio_stat_t); i++)
+					for (size_t i = 0; i < sizeof(fio_stat_t); i++)
 						iopMemWrite8(data + i, buf[i]);
-
+				}
 				pc = ra;
 				return 1;
 			}
@@ -632,6 +700,16 @@ namespace R3000A
 			return 0;
 		}
 
+		int getStat_HLE()
+		{
+			return _getStat_HLE(false);
+		}
+
+		int getStatx_HLE()
+		{
+			return _getStat_HLE(true);
+		}
+
 		int lseek_HLE()
 		{
 			s32 fd = a0;
@@ -964,12 +1042,6 @@ namespace R3000A
 		using namespace n; \
 		switch (index)     \
 		{
-#define MODULE_2(n1, n2)          \
-	if (#n1 == libname || #n2 == libname)     \
-	{                      \
-		using namespace n1; \
-		switch (index)     \
-		{
 #define END_MODULE \
 	}              \
 	}
@@ -989,7 +1061,14 @@ namespace R3000A
 			EXPORT_H( 14, Kprintf)
 		END_MODULE
 
-		MODULE_2(ioman, iomanx)
+		// Special case with ioman and iomanX
+		// They are mostly compatible excluding stat structures
+		if(libname == "ioman" || libname == "iomanx")
+		{
+			const bool use_ioman = libname == "ioman";
+			using namespace ioman;
+				switch(index)
+				{
 					EXPORT_H(  4, open)
 					EXPORT_H(  5, close)
 					EXPORT_H(  6, read)
@@ -1000,11 +1079,19 @@ namespace R3000A
 					EXPORT_H( 12, rmdir)
 					EXPORT_H( 13, dopen)
 					EXPORT_H( 14, dclose)
-			EXPORT_H( 15, dread)
-			EXPORT_H( 16, getStat)
-		END_MODULE
+					case 15: // dread
+					if(use_ioman)
+						return dread_HLE;
+					else
+						return dreadx_HLE;
+					case 16: // getStat
+					if(use_ioman)
+						return getStat_HLE;
+					else
+						return getStatx_HLE;
+				}
+		}
 		// clang-format on
-
 		return 0;
 	}
 

pcsx2/IopBios.h

@@ -63,7 +63,7 @@ public:
 
 	virtual void close() = 0;
 
-	virtual int read(void* buf) { return -IOP_EIO; } /* Flawfinder: ignore */
+	virtual int read(void* buf, bool iomanX = false) { return -IOP_EIO; } /* Flawfinder: ignore */
 };
 
 typedef int (*irxHLE)(); // return 1 if handled, otherwise 0