--- /dev/null
+#ifndef CFGNOR_H
+#define CFGNOR_H
+
+Result CFGNOR_Initialize(u8 value);
+Result CFGNOR_Shutdown();
+Result CFGNOR_ReadData(u32 offset, u32 *buf, u32 size);
+Result CFGNOR_WriteData(u32 offset, u32 *buf, u32 size);
+Result CFGNOR_DumpFlash(u32 *buf, u32 size);
+Result CFGNOR_WriteFlash(u32 *buf, u32 size);
+
+#endif
+
--- /dev/null
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+
+#include <ctr/types.h>
+#include <ctr/svc.h>
+#include <ctr/srv.h>
+
+#include <ctr/CFGNOR.h>
+
+Handle CFGNOR_handle = 0;
+
+Result CFGNOR_Initialize(u8 value)
+{
+ Result ret = 0;
+ u32 *cmdbuf = getThreadCommandBuffer();
+
+ ret = srv_getServiceHandle(NULL, &CFGNOR_handle, "cfg:nor");
+ if(ret!=0)return ret;
+
+ cmdbuf[0] = 0x00010040;
+ cmdbuf[1] = (u32)value;
+
+ if((ret = svc_sendSyncRequest(CFGNOR_handle))!=0)return ret;
+
+ ret = (Result)cmdbuf[1];
+ return ret;
+}
+
+Result CFGNOR_Shutdown()
+{
+ Result ret = 0;
+ u32 *cmdbuf = getThreadCommandBuffer();
+
+ cmdbuf[0] = 0x00020000;
+
+ if((ret = svc_sendSyncRequest(CFGNOR_handle))!=0)return ret;
+ ret = (Result)cmdbuf[1];
+
+ svc_closeHandle(CFGNOR_handle);
+ CFGNOR_handle = 0;
+
+ return ret;
+}
+
+Result CFGNOR_ReadData(u32 offset, u32 *buf, u32 size)
+{
+ Result ret = 0;
+ u32 *cmdbuf = getThreadCommandBuffer();
+
+ cmdbuf[0] = 0x00050082;
+ cmdbuf[1] = offset;
+ cmdbuf[2] = size;
+ cmdbuf[3] = (size<<4) | 12;
+ cmdbuf[4] = (u32)buf;
+
+ if((ret = svc_sendSyncRequest(CFGNOR_handle))!=0)return ret;
+
+ ret = (Result)cmdbuf[1];
+ return ret;
+}
+
+Result CFGNOR_WriteData(u32 offset, u32 *buf, u32 size)
+{
+ u32 ret = 0;
+ u32 *cmdbuf = getThreadCommandBuffer();
+
+ cmdbuf[0] = 0x00060082;
+ cmdbuf[1] = offset;
+ cmdbuf[2] = size;
+ cmdbuf[3] = (size<<4) | 10;
+ cmdbuf[4] = (u32)buf;
+
+ if((ret = svc_sendSyncRequest(CFGNOR_handle))!=0)return ret;
+
+ ret = (Result)cmdbuf[1];
+ return ret;
+}
+
+Result CFGNOR_DumpFlash(u32 *buf, u32 size)
+{
+ Result ret = 0;
+ u32 pos=0;
+ u32 chunksize = 0x100;
+
+ for(pos=0; pos<size; pos+=chunksize)
+ {
+ if(size-pos < chunksize)chunksize = size-pos;
+
+ ret = CFGNOR_ReadData(pos, &buf[pos>>2], chunksize);
+ if(ret!=0)break;
+ }
+
+ return ret;
+}
+
+Result CFGNOR_WriteFlash(u32 *buf, u32 size)
+{
+ Result ret = 0;
+ u32 pos=0;
+ u32 chunksize = 0x100;
+
+ for(pos=0; pos<size; pos+=chunksize)
+ {
+ if(size-pos < chunksize)chunksize = size-pos;
+
+ ret = CFGNOR_WriteData(pos, &buf[pos>>2], chunksize);
+ if(ret!=0)break;
+ }
+
+ return ret;
+}
+