[ECOS] Platform Memory Layout

[Michael Anburaj]

Hi,

I am working on a port for an ARM920T & took aaed2000 under /hall/arm/arm9 
as the sample. I considered the ROMRAM configuration for redboot. The 
following is from the mlt_arm_arm9_aaed2000.ldi:

MEMORY
{
    ram : ORIGIN = 0, LENGTH = 0x1F40000
    lcd : ORIGIN = 0x1f60000, LENGTH = 0xa0000
}

SECTIONS
{
    SECTIONS_BEGIN
    SECTION_fixed_vectors (ram, 0x20, LMA_EQ_VMA)
    SECTION_rom_vectors (ram, 0x8000, LMA_EQ_VMA)


Questions:
1. Can anyone tell me or lead me to a document about the regions (for ARM), 
fixed_vector & rom_vector?

2. If fixed_vectors is the ARM's exception vectors, then this should be at 
0x0000.0000. But, here I see that it's  laid at 0x20 instead. Am I missing 
something?

3. I don't find the memory configuration window in the configtool (linux).

Thanks a lot,
-Mike.

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