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Altera_Forum's avatar
Altera_Forum
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21 years ago

uClinux .data segment in SDRAM?

For a number of reasons, I'd like to run my kernel in SRAM but allocate data memory (i.e. socket buffers) in SDRAM. This seems possible with a NIOS 'Hello World' application, or the like...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
21 years ago

If let me guess, I will go to arch/nios2nommu/kernel/setup.c, at the end of setup_arch(). There give all the memory to init_bootmem_node. I am not sure if this is the reason of your problem, but you should be able to find out by stepping through the booting procedures...