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On 2011-Jul-19 09:45 , Ghitulete Razvan wrote:
So I kinda got rid of that MMU Miss error, but now, when i try and open-dev the display adapter i get a 0 return code on the stack. The output being something like this.
ok showstack ok " /pci/SUNW,m64B " open-dev 0 ok
That usually means the "open" method of your driver didn't succeed. For whatever reason, the SUNW,m64B driver returned a failure at open - either some allocation failed or it decided it didn't like the hardware it found.
I've written several lines of code in C in which I am trying to access the OpenBoot CIF to execute an instruction. But immediately after I do the call to the CIF interface address the PROM freezes. Does anyone have any ideas why is this so. I'm getting the CIF address from the %o4 register passed by SILO