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On Thu, 5 Nov 1998, Brendan Simon wrote: > I am trying to use RTEMS with the powerpc simulator that is configured > into GDB. I can get the simulator to run some intstructions but it > barfs when trying to access special purpose registers. I am compiling > code for the MPC860 using the -mcpu=860 in the GCC command line. I do not think psim supports any special purpose registers which are CPU model specific. Certainly none of the ones for the 860. > Do I have to specify something similar to let the powerpc simulator know > what architecture it is supposed to simulate ? AFAIK it supports 60x series CPUs only. FPU can be disabled. > Are there any docs available on the simulator besides the tiny bits that > are in the GDB manual ? Start at www.cygnus.com/~meissner and follow the links. He keeps the manuals online. --joel ________________________________________________ To get help for the crossgcc list, send mail to crossgcc-request@cygnus.com with the text 'help' (without the quotes) in the body of the message.