BTW, one thing I noticed in both firmwares is that the LMA in the
flash elf binaries is not set correctly. I was using the plain "load"
command in gdb to flash the bootloader and app to my AT91SAM7-EK over
JTAG (segger blue box), but the app went to 0x0 instead of 0x4000.
Here's a fix:
[master] tom@zoo:~/at91work/at91lib/boards/simtrace/at91sam7s256$ git
diff flash_dfu.lds
diff --git a/at91lib/boards/simtrace/at91sam7s256/flash_dfu.lds
b/at91lib/boards/simtrace/at91sam7s256/flash_dfu.lds
index c228dcc..e3e5147 100644
--- a/at91lib/boards/simtrace/at91sam7s256/flash_dfu.lds
+++ b/at91lib/boards/simtrace/at91sam7s256/flash_dfu.lds
@@ -45,7 +45,7 @@ MEMORY
SECTIONS
{
. = 0x000000000;
- .fixed 0x00104000: AT ( 0x00000000 )
+ .fixed 0x00104000:
{
. = ALIGN(4);
_sfixed = .;
@@ -55,7 +55,7 @@ SECTIONS
_efixed = .;
} >flash
- .relocate 0x00200028: AT ( SIZEOF(.fixed) )
+ .relocate 0x00200028:
{
. = ALIGN(4);
_srelocate = .;
@@ -64,7 +64,7 @@ SECTIONS
*(.data)
. = ALIGN(4);
_erelocate = .;
- } >sram
+ } >sram AT >flash
.bss (NOLOAD) : {
_szero = .;
