--- /dev/null
+#ifndef FS_H
+#define FS_H
+
+#define FS_OPEN_READ (1<<0)
+#define FS_OPEN_WRITE (1<<1)
+#define FS_OPEN_CREATE (1<<2)
+
+#define FS_ATTRIBUTE_READONLY (0x00000001)
+#define FS_ATTRIBUTE_ARCHIVE (0x00000100)
+#define FS_ATTRIBUTE_HIDDEN (0x00010000)
+#define FS_ATTRIBUTE_DIRECTORY (0x01000000)
+
+typedef enum{
+ PATH_INVALID = 0, // Specifies an invalid path.
+ PATH_EMPTY = 1, // Specifies an empty path.
+ PATH_BINARY = 2, // Specifies a binary path, which is non-text based.
+ PATH_CHAR = 3, // Specifies a text based path with a 8-bit byte per character.
+ PATH_WCHAR = 4, // Specifies a text based path with a 16-bit short per character.
+}FS_pathType;
+
+typedef struct{
+ FS_pathType type;
+ u32 size;
+ u8* data;
+}FS_path;
+
+typedef struct{
+ u32 id;
+ FS_path lowPath;
+}FS_archive;
+
+
+Result FSUSER_Initialize(Handle handle);
+Result FSUSER_OpenFile(Handle handle, Handle* out, u32 archiveid, FS_archive archive, FS_path fileLowPath, u32 openflags, u32 attributes);
+
+Result FSFILE_Close(Handle handle);
+Result FSFILE_Read(Handle handle, u32 *bytesRead, u64 offset, u32 *buffer, u32 size);
+Result FSFILE_GetSize(Handle handle, u64 *size);
+
+#endif
--- /dev/null
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <ctr/types.h>
+#include <ctr/FS.h>
+#include <ctr/svc.h>
+
+Result FSUSER_Initialize(Handle handle)
+{
+ u32* cmdbuf=getThreadCommandBuffer();
+ cmdbuf[0]=0x08010002; //request header code
+ cmdbuf[1]=32;
+
+ Result ret=0;
+ if((ret=svc_sendSyncRequest(handle)))return ret;
+
+ return cmdbuf[1];
+}
+
+Result FSUSER_OpenFile(Handle handle, Handle* out, u32 archiveid, FS_archive archive, FS_path fileLowPath, u32 openflags, u32 attributes)
+{
+ u32* cmdbuf=getThreadCommandBuffer();
+
+ cmdbuf[0]=0x08030204;
+ cmdbuf[1]=0;
+ cmdbuf[2]=archive.id;
+ cmdbuf[3]=archive.lowPath.type;
+ cmdbuf[4]=archive.lowPath.size;
+ cmdbuf[5]=fileLowPath.type;
+ cmdbuf[6]=fileLowPath.size;
+ cmdbuf[7]=openflags;
+ cmdbuf[8]=attributes;
+ cmdbuf[9]=(archive.lowPath.size<<14)|0x802;
+ cmdbuf[10]=(u32)archive.lowPath.data;
+ cmdbuf[11]=(fileLowPath.size<<14)|2;
+ cmdbuf[12]=(u32)fileLowPath.data;
+
+ Result ret=0;
+ if((ret=svc_sendSyncRequest(handle)))return ret;
+
+ if(out)*out=cmdbuf[3];
+
+ return cmdbuf[1];
+}
+
+Result FSFILE_Close(Handle handle)
+{
+ u32* cmdbuf=getThreadCommandBuffer();
+
+ cmdbuf[0]=0x08080000;
+
+ Result ret=0;
+ if((ret=svc_sendSyncRequest(handle)))return ret;
+
+ return cmdbuf[1];
+}
+
+Result FSFILE_Read(Handle handle, u32 *bytesRead, u64 offset, u32 *buffer, u32 size)
+{
+ u32 *cmdbuf=getThreadCommandBuffer();
+
+ cmdbuf[0]=0x080200C2;
+ cmdbuf[1]=(u32)offset;
+ cmdbuf[2]=(u32)(offset>>32);
+ cmdbuf[3]=size;
+ cmdbuf[4]=(size<<4)|12;
+ cmdbuf[5]=(u32)buffer;
+
+
+ Result ret=0;
+ if((ret=svc_sendSyncRequest(handle)))return ret;
+
+ if(bytesRead)*bytesRead=cmdbuf[2];
+
+ return cmdbuf[1];
+}
+
+Result FSFILE_GetSize(Handle handle, u64 *size)
+{
+ u32 *cmdbuf=getThreadCommandBuffer();
+
+ cmdbuf[0] = 0x08040000;
+
+ Result ret=0;
+ if((ret=svc_sendSyncRequest(handle)))return ret;
+
+ if(size)*size = *((u64*)&cmdbuf[2]);
+
+ return cmdbuf[1];
+}