Fix to prevent EXC_BAD_ACCESS on iPhone

This is inelegant and should only be temporary but resolves the issue
of CodeCache and ICache “getting lost” during initialization.

core/hw/arm7/arm7.cpp

@@ -2157,7 +2157,11 @@ void armt_init()
 		verify(false);
 	}
 
+#if TARGET_IPHONE
+	memset((u8*)mmap(ICache, ICacheSize, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_FIXED | MAP_PRIVATE | MAP_ANON, 0, 0),0xFF,ICacheSize);
+#else
 	memset(ICache,0xFF,ICacheSize);
+#endif
 
 #endif
 

core/hw/sh4/dyna/driver.cpp

@@ -455,7 +455,11 @@ void recSh4_Init()
 		}
 	#endif
 
+#if TARGET_IPHONE
+	memset((u8*)mmap(CodeCache, CODE_SIZE, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_FIXED | MAP_PRIVATE | MAP_ANON, 0, 0),0xFF,CODE_SIZE);
+#else
 	memset(CodeCache,0xFF,CODE_SIZE);
+#endif
 
 #endif
 	ngen_init();