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12748 Discussions

Reset address error

Altera_Forum
Honored Contributor II
‎12-12-2005 05:22 AM
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http://forum.niosforum.com/work2/style_emoticons/<#EMO_DIR#>/sad.gif In my system. I used a SPI Flash to store code. So I add an onchip_memory to be used as a bootloader device and its base address is : 0x800000. Then I set reset address to 0x800C20. 

Also, in order to speed up ISR, I add a tightly-coupled memory to contain .exception section and ISR code. In sopc builder, I set exception to tightly-coupled memory.  

In niosII IDE, I check the option: &#39;Use a separate exception stack&#39; and point it to Tightly-coupled memory. 

But when I compile the project, the following error occur: 

 

23 PM - (??) elf2flash: Supplied reset address: 0x800c20 differs from the elf file reset vector: 0x1000000.[Dec 12, 2005 12] TCM_test  

 

when I uncheck the option: &#39;Use a separate exception stack&#39; , no errors occur. 

 

Which option will determine the reset address that elf2flash Supplied? 

 

Pls help me!  

Thanks very much.
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