Fix: on board

kernel/linker.ld

@@ -1,10 +1,10 @@
 ENTRY(_start)
 MEMORY
 {
-  TEXT (rx) : ORIGIN = 0x80000, LENGTH = 128K
-  RO (r) : ORIGIN = 0xa0000, LENGTH = 128K
-  DATA (rw) : ORIGIN = 0x100000, LENGTH = 512K
-  RAM (rw) : ORIGIN = 0x180000, LENGTH = 64M
+  TEXT (rx) : ORIGIN = 0x80000, LENGTH = 64K
+  RO (r) : ORIGIN = 0x90000, LENGTH = 16K
+  DATA (rw) : ORIGIN = 0x94000, LENGTH = 64K
+  RAM (rw) : ORIGIN = 0xa4000, LENGTH = 64M
 }
 
 SECTIONS