nrf52820_hic: copy memory for GCC
@@ -168,6 +168,23 @@ afterInitialize:
isb
#endif
+/* Loop to copy data from read only memory to RAM. The ranges
+ * of copy from/to are specified by following symbols evaluated in
+ * linker script.
+ * __etext: End of code section, i.e., begin of data sections to copy from.
+ * __data_start__/__data_end__: RAM address range that data should be
+ * copied to. Both must be aligned to 4 bytes boundary. */
+
+ ldr r1, =__etext
+ ldr r2, =__data_start__
+ ldr r3, =__data_end__
+.LC0:
+ cmp r2, r3
+ ittt lt
+ ldrlt r0, [r1], #4
+ strlt r0, [r2], #4
+ blt .LC0
+
/* Jump to program start */
b _start
