Update ps2sdk submodule and modify ATAD device path handling for Linux compatibility; add example command list

Author: AKuHAK

external/ps2sdk

@@ -0,0 +1,19 @@
+device /Users/imac/Desktop/HDD/POLgJ/po.raw
+df
+quit
+
+device /Users/imac/Desktop/HDD/ps2-hdd_7z/dirge2006.raw
+mount 8
+df
+quit
+mount PP.SLPM-65981.0004.FMO
+df
+quit
+df
+quit
+ls
+quit
+mkpart 3 2G PFS
+rmpart 3
+ls -l
+quit

list.txt

@@ -94,8 +94,11 @@ int set_atad_device_handle(int fd)
 
 void set_atad_device_path(const char *path)
 {
-    int fd;
-    fd = open(path, O_RDWR | O_BINARY);
+#ifdef __linux__
+    int fd = open(path, O_RDWR | O_BINARY | O_DIRECT);
+#else
+    int fd = open(path, O_RDWR | O_BINARY);
+#endif
     if (fd == -1 || set_atad_device_handle(fd)) {
         perror(path), exit(1);
     }