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Altera_Forum's avatar
Altera_Forum
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15 years ago

I need some help of creating shared ddr sdram memory

Hi, everyone:), My system is like this : Using NEEK, I created 2 processors both running in the ddr sdram. Processor1's reset vector offset is 0x100 and exception vector offset is 0x120. Proce...
Altera_Forum's avatar
Altera_Forum
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15 years ago

You'll need to use Dekker's algorythm on uncached memory to do any form of inter-cpu synchronisation.

Generating a 'spin lock' is easiest, and, in fact, all the other synchronisation schemes are based on them.