ee: use enum for mmap_GetRamPageInfo returned value

pcsx2/Memory.cpp

@@ -891,13 +891,6 @@ void eeMemoryReserve::Release()
 // code below.
 //
 
-enum vtlb_ProtectionMode
-{
-	ProtMode_None = 0,		// page is 'unaccounted' -- neither protected nor unprotected
-	ProtMode_Write,			// page is under write protection (exception handler)
-	ProtMode_Manual			// page is under manual protection (self-checked at execution)
-};
-
 struct vtlb_PageProtectionInfo
 {
 	// Ram De-mapping -- used to convert fully translated/mapped offsets (which reside with
@@ -914,12 +907,10 @@ static __aligned16 vtlb_PageProtectionInfo m_PageProtectInfo[Ps2MemSize::MainRam
 
 
 // returns:
-//  -1 - unchecked block (resides in ROM, thus is integrity is constant)
+//  ProtMode_NotRequired - unchecked block (resides in ROM, thus is integrity is constant)
-//   0 - page is using Write protection
+//  Or the current mode
-//   1 - page is using manual protection (recompiler must include execution-time
-//       self-checking of block integrity)
 //
-int mmap_GetRamPageInfo( u32 paddr )
+vtlb_ProtectionMode mmap_GetRamPageInfo( u32 paddr )
 {
 	pxAssert( eeMem );
 
@@ -929,10 +920,11 @@ int mmap_GetRamPageInfo( u32 paddr )
 	uptr rampage = ptr - (uptr)eeMem->Main;
 
 	if (rampage >= Ps2MemSize::MainRam)
-		return -1; //not in ram, no tracking done ...
+		return ProtMode_NotRequired; //not in ram, no tracking done ...
 
 	rampage >>= 12;
-	return ( m_PageProtectInfo[rampage].Mode == ProtMode_Manual ) ? 1 : 0;
+
+	return m_PageProtectInfo[rampage].Mode;
 }
 
 // paddr - physically mapped PS2 address

pcsx2/Memory.h

@@ -116,7 +116,15 @@ extern void memBindConditionalHandlers();
 
 extern void memMapVUmicro();
 
-extern int mmap_GetRamPageInfo( u32 paddr );
+enum vtlb_ProtectionMode
+{
+	ProtMode_None = 0,		// page is 'unaccounted' -- neither protected nor unprotected
+	ProtMode_Write,			// page is under write protection (exception handler)
+	ProtMode_Manual,		// page is under manual protection (self-checked at execution)
+	ProtMode_NotRequired	// page doesn't require any protection
+};
+
+extern vtlb_ProtectionMode mmap_GetRamPageInfo( u32 paddr );
 extern void mmap_MarkCountedRamPage( u32 paddr );
 extern void mmap_ResetBlockTracking();
 

pcsx2/x86/ix86-32/iR5900-32.cpp

@@ -1646,21 +1646,22 @@ static void memory_protect_recompiled_code(u32 startpc, u32 size)
 
 	// note: blocks are guaranteed to reside within the confines of a single page.
 
-	const int PageType = mmap_GetRamPageInfo( inpage_ptr );
+	const vtlb_ProtectionMode PageType = mmap_GetRamPageInfo( inpage_ptr );
 	//const u32 pgsz = std::min(0x1000 - inpage_offs, inpage_sz);
 	const u32 pgsz = inpage_sz;
 
     switch (PageType)
     {
-        case -1:
+        case ProtMode_NotRequired:
             break;
 
-        case 0:
+		case ProtMode_None:
+        case ProtMode_Write:
 			mmap_MarkCountedRamPage( inpage_ptr );
 			manual_page[inpage_ptr >> 12] = 0;
 			break;
 
-        default:
+        case ProtMode_Manual:
 			xMOV( ecx, inpage_ptr );
 			xMOV( edx, pgsz / 4 );
 			//xMOV( eax, startpc );		// uncomment this to access startpc (as eax) in dyna_block_discard