usersystemlib: sceKernelGetTlsAddr NID and doc

include/usersystemlib_kernel.h

@@ -101,13 +101,13 @@ s32 sceKernelGetThreadId(void);
 s32 sceKernelCheckThreadStack(void);
 
 /**
- * \fixme Unknown.
+ * Gets a tls address.
  *
- * @param arg0 Unknown.
+ * @param uid Unique tls identifier.
  *
  * @return A pointer, otherwise NULL on error.
  */
-void *Kernel_Library_FA835CDE(s32 arg0);
+void *sceKernelGetTlsAddr(SceUID uid);
 
 
 /* Lightweight Mutex */

src/usersystemlib/exports.exp

@@ -26,7 +26,7 @@ PSP_EXPORT_FUNC_HASH(sceKernelReferLwMutexStatus)
 # avoid name collision with ThreadMan
 PSP_EXPORT_FUNC_NID(_sceKernelCheckThreadStack, 0xD13BDE95)
 PSP_EXPORT_FUNC_HASH(sceKernelTryLockLwMutex)
-PSP_EXPORT_FUNC_NID(Kernel_Library_FA835CDE, 0xFA835CDE)
+PSP_EXPORT_FUNC_HASH(sceKernelGetTlsAddr)
 PSP_EXPORT_END
 
 PSP_EXPORT_START(sceGe_lazy, 0x0011, 0x0001)

src/usersystemlib/thread.c

@@ -37,10 +37,11 @@ s32 _sceKernelCheckThreadStack(void)
 }
 
 // Kernel_Library_FA835CDE
-void *Kernel_Library_FA835CDE(s32 arg0)
+void *sceKernelGetTlsAddr(SceUID uid)
 {
-    void *ptr;
+    void *addr;
     s32 *k0;
+    s32 res;
 
     // SceThread* ?
     k0 = (s32*)pspGetK0();
@@ -58,23 +59,20 @@ void *Kernel_Library_FA835CDE(s32 arg0)
         return NULL;
     }
 
-    if (arg0 < 0) {
+    if (uid < 0) {
         return NULL;
     }
 
     // range k0[16-31]
-    ptr = (void*)k0[((arg0 >> 3) & 0xF) + 16];
+    addr = (void*)k0[((uid >> 3) & 0xF) + 16];
 
-    // this is why I think that a pointer is returned
-    if (ptr == NULL) { // loc_000004FC
-        s32 ret;
+    if (addr == NULL) { // loc_000004FC
+        res = _sceKernelAllocateTlspl(uid, &addr, 0);
 
-        ret = _sceKernelAllocateTlspl(arg0, &ptr, 0);
-
-        if (ret < 0) {
+        if (res < 0) {
             return NULL;
         }
     }
 
-    return ptr;
+    return addr;
 }