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Altera_Forum's avatar
Altera_Forum
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21 years ago

How to reserve memory at fixed address

Hi, I would like to reserve SDRAM memory for traces at a fixed address, so that I can examine this memory after an uncontrolled reboot of Linux. I used to set the option MEM=(totalMemory -...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
21 years ago

There is one line in the kernel linker script (arch/nios2nommu/kernel/vmlinux.lds.S): 

    eram    : ORIGIN = nasys_program_mem_end, LENGTH = 0

or you can modify memory_end in arch/nios2nommu/kernel/setup.c to make it smaller.