linguini1 commented on issue #16444:
URL: https://github.com/apache/nuttx/issues/16444#issuecomment-2914913102
If I change the linker script such that:
```ld
.data :
{
_sdata = ABSOLUTE(.);
*(.rodata .rodata.*)
*(.data .data.*)
*(.gnu.linkonce.d.*)
CONSTRUCTORS
_edata = ABSOLUTE(.);
} > sram AT > flash
_eronly = LOADADDR(.data);
```
```diff
diff --git a/boards/avr/atmega/arduino-mega2560/scripts/flash.ld
b/boards/avr/atmega/arduino-mega2560/scripts/flash.ld
index f365646dfa..73a62017ed 100644
--- a/boards/avr/atmega/arduino-mega2560/scripts/flash.ld
+++ b/boards/avr/atmega/arduino-mega2560/scripts/flash.ld
@@ -122,7 +122,6 @@ SECTIONS
_etext = . ;
} > flash
- _eronly = ABSOLUTE(.);
.data :
{
@@ -134,6 +133,8 @@ SECTIONS
_edata = ABSOLUTE(.);
} > sram AT > flash
+ _eronly = LOADADDR(.data);
+
.bss :
{
_sbss = ABSOLUTE(.);
```
I am able to boot into NSH. It appears the initializer data for the
variables loaded to SRAM from FLASH is not actually getting stored in flash in
the image.
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