vt: Decompile vtutil.c

CMakeLists.txt

@@ -23,7 +23,7 @@ set_target_properties(PS2_CRT0 PROPERTIES OUTPUT_NAME "crt0.o")
 set(EXECUTABLES)
 
 # C files
-set(SUBDIRS abe harada hato hoshino kazuya nakano okanoyo taka take okanoyo/debug vtusr/taro okanoyo/linux)
+set(SUBDIRS abe harada hato hoshino kazuya nakano okanoyo taka take okanoyo/debug vtusr vtusr/taro okanoyo/linux)
 foreach (SUBDIR IN LISTS SUBDIRS)
     file(GLOB files src/${SUBDIR}/*.c)
     foreach (file ${files})

src/vtusr/vtutil.c

@@ -1,5 +1,40 @@
+#include <sifdev.h>
 #include "vtusr/vtutil.h"
+#include "okanoyo/okio.h"
+
+u128* vtFileRead(char *name) {
+    s32 fd;
+    s32 size;
+    u128 *buf;
+    char tmp;
+    s32 status;
+
+    fd = sceOpen(name, SCE_RDONLY);
+    if (fd < 0) {
+        printf("can't open [%s]\n", name);
+        return NULL;
+    }
+
+    size = sceLseek(fd, 0, SEEK_END);
+    sceLseek(fd, 0, SEEK_SET);
+    buf = getBuff(1, size, &tmp, &status);
+    if (sceRead(fd, buf, size) < 0) {
+        printf("load failed [%s]\n", name);
+        return NULL;
+    } else {
+        printf("load sucees %d byte\n", size); // sucees
+        sceClose(fd);
+        return buf;
+    }
+}
 
 void* vtGetBuf64(u32 size) {
-    // TODO
+    char tmp;
+    s32 status;
+    void *buf;
+
+    buf = getBuff(1, size + 0x3F, &tmp, &status);
+    buf = (void *)(((u32)buf - 1) & ~0x3F);
+    buf = (void *)((u8 *)buf + 0x40);
+    return buf;
 }

src/vtusr/vtutil.h

@@ -3,6 +3,7 @@
 
 #include "common.h"
 
+extern u128* vtFileRead(char *name);
 extern void* vtGetBuf64(u32 size);
 
 #endif