RE: [ECOS] memory map question

[Gary Thomas <gthomas@redhat.com>]

On 24-Aug-2001 Simpkins, Andy wrote:
> Hi there,
> 
> I am trying to map some data to a specific address in FLASH on my custom
> target board (ARM7TDMI core)
> 
> The data is defined as 
> 
> unsigned char globalArchive[] __attribute__ ((section (".ivoryDataStore")))
> =
>    {0x04, 0x18, 0x00, 0x00, 0x81);
> 
> 
> I have added the following to arm.ld 
> 
>#define SECTION_ivoryDataStore(_region_, _vma_, _lma_) \
>     .ivoryDataStore _vma_ : _lma_ \
>     { FORCE_OUTPUT; *(.ivoryDataStore) } \
>     > _region_
> 
> And have attempted to define ivoryDataStore in my memory map of the config
> tool (1.3.1)
> I kind of hoped that the name would have shown up in the drop down box for
> Linker-defined, as it didn't I had to specify it as user defined...
> 
> i.e. 
>       Name - User-defined: ivoryDataStore
>            - Known Size: 0x2000
>       Final Location (VMA) - Absolute: 0xe0000
> 
> however when I compile my code I get the following :
> 
> 
> arm-elf-gcc *.o ../../API/*/*.o -L /i/eCOSbuilds/a166_install/lib/
> -Ttarget.ld -nostdlib -Xlinker -Map -Xlinker mapfile.txt
> /tools/H-i686-pc-cygwin/arm-elf/bin/ld: warning: no memory region specified
> for
> section `.ivoryDataStore'

Does .ivoryDataStore end up in your "target.ld" file (the linker script)?  If
not, it's a problem with the macros & sections.