Add the fs:LDR patch into ctru

diff --git a/libctru/source/services/fs.c b/libctru/source/services/fs.c
index 4c5adaa7310a7bd6e213311955cdcbd1ea429eb8..771c48a6dc8edf3ef21559083fb8c80561b1fb88 100644 (file)
--- a/libctru/source/services/fs.c
+++ b/libctru/source/services/fs.c
@@ -5,6 +5,7 @@
 #include <3ds/srv.h>
 #include <3ds/synchronization.h>
 #include <3ds/services/fs.h>
+#include <3ds/services/fsreg.h>
 #include <3ds/ipc.h>
 #include <3ds/env.h>
 #include "../internal.h"
@@ -35,6 +36,27 @@ static Handle fsSessionForArchive(FS_Archive archive)
        return fsSession();
 }
 
+static Result
+fsldrPatchPermissions(void)
+{
+       u32 pid;
+       Result res;
+       FS_ProgramInfo info;
+       u32 storage[8] = { 0 };
+
+       storage[6] = 0x680; // SDMC access and NAND access flag
+       info.programId = 0x0004013000001302LL; // loader PID
+       info.mediaType = MEDIATYPE_NAND;
+
+       res = svcGetProcessId(&pid, 0xFFFF8001);
+
+       if (R_SUCCEEDED(res)) {
+               res = FSREG_Register(pid, 0xFFFF000000000000LL, &info, (u8 *)storage);
+       }
+
+       return res;
+}
+
 Result fsInitFromService(const char* service) {
        Result ret = 0;
 
@@ -43,6 +65,8 @@ Result fsInitFromService(const char* service) {
        ret = srvGetServiceHandleDirect(&fsuHandle, service);
        if (R_SUCCEEDED(ret))
        {
+               if (!strcmp(service, "fs:LDR"))
+                       fsldrPatchPermissions();
                ret = FSUSER_Initialize(fsuHandle);
                if (R_FAILED(ret)) svcCloseHandle(fsuHandle);
        }