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Altera_Forum
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21 years ago

Cannot step into crt0.s

Hi, I am using the ISS (Instruction Set Simulator). I would like to start program execution by stepping through crt0.s. However, the IDE has that option greyed out. I circumvented it by simply ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
21 years ago

roland,

Which option are you referring to as greyed out?

With both the ISS and real hardware you can't step until the initial startup code has run and the program has stopped (at alt_main or main usually).

Why do you need to step through crt0.s?

ps. If you are having problems stepping through assembler code without debug information then try doing it in dissasembly mode (the upside down pile of bricks)