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lache@tu-harburg.de said: > Unfortunately the ARM simulator does not support the several CPU > modes, that the ARM7TDMI has. I made a software trap using "swi", and > the pc was set correctly to 0x8. It did also execute the jump > instruction from this place leading to my own swi handler. But when > leaving it, returning to the code containing the swi, the mode was > still 0x10, which is not supervisor mode. It sounds like you were already in supervisor mode when you executed the SWI; that would corrupt your link register so the return would not happen correctly. However, more details would be needed to be sure. ------ Want more information? See the CrossGCC FAQ, http://www.objsw.com/CrossGCC/ Want to unsubscribe? Send a note to crossgcc-unsubscribe@sourceware.cygnus.com
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