gcc for PPC750 simulator from microlib.org

Sven Heithecker heithecker@ida.ing.tu-bs.de
Wed Aug 18 17:22:00 GMT 2004


Hi,

we are using a crossgcc-build gcc to compile programms to us with the PowerPC 
750 simulator/emulator from www.microlib.org. Unfortunately, only very small 
programs run, serious programs crash with the following message:

Attempted to execute a bogus opcode at 0x1001c180 (OPCD = 31, XO_10 = 246, 
XO_9 = 246, XO_5 = 22)
0x1001c180 : 0x7c0831ec    ????
0x1001c184 : 0x9086fffc    stw r4, -4(r6)
0x1001c188 : 0x9086fff8    stw r4, -8(r6)
0x1001c18c : 0x9086fff4    stw r4, -12(r6)
0x1001c190 : 0x9086fff0    stw r4, -16(r6)
0x1001c194 : 0x60000000    ori r0, r0, 0
0x1001c198 : 0x9086ffec    stw r4, -20(r6)
0x1001c19c : 0x9086ffe8    stw r4, -24(r6)
0x1001c1a0 : 0x60000000    ori r0, r0, 0
0x1001c1a4 : 0x9086ffe4    stw r4, -28(r6)

Does someone have a clue what to do about this ? Unfortunately, I dont get any 
answer from emails to microlib.org.

Regards, Sven

-- 
Dipl.-Ing. Sven Heithecker
Institute of Computer and Communication Network Engineering
Technical University of Braunschweig, Germany
heithecker@ida.ing.tu-bs.de
www.ida.ing.tu-bs.de/~svenh

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