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Altera_Forum's avatar
Altera_Forum
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15 years ago

Dual NIOS exception overwrite

When I load the second NIOS code, it overwrites the exception handler in the first NIOS space. I'm using a shared ddr_sdram, but neither core's linker maps overlap. Exception addresses are 08000...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Fixed by writing my own bootloader that has one processor wait in flash until the other writes to a mailbox. Then the waiting processor continues with copying code from flash to ram.