There is a significant number of switches between 0 and 31 (IPL level), I am guessing 0 is User mode, but i have no clue why we are at ipl 31. According to the Alpha Arch Ref Manual II-A around 6-20. IPL 31 is hardware level machine check error, I have no clue why we would enter this mode in a software alpha emulator. Is it possible there is a bug in the alpha cross compiler?
Any Ideas? Thanks, EF On Thu, Feb 18, 2010 at 10:00 PM, ef <[email protected]> wrote: > Hello, > I am having trouble understaindg the IPL mechanics. On one of my benchmarks > M5 Alpha mode FS detailed keeps switching IPL 0 to 31 back and fourth. > Anyone know why? > I suspect swpipl instr is killng IPC. >
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