FS : started implementing FS services (thanks yellows8)

libctru/include/ctr/FS.h

@@ -0,0 +1,40 @@
+#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

libctru/source/FS.c

@@ -0,0 +1,90 @@
+#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];
+}