Coldfire uC5282 Question
Joel Sherrill
joel.sherrill at OARcorp.com
Tue Mar 30 17:48:58 UTC 2010
Hi,
I am running gcc testsuite on the qemu uC5282
simulator. I am getting a number of failures
where qemu says an illegal instruction was
encountered. Can a coldfire person out there
tell me whether this is qemu not supporting
a valid coldfire instruction or this instruction
should not be generated by gcc with the -mcpu=5282
option
[joel at rtbf64b gcc]$ m68k-rtems4.10-objdump -da zero-struct-2.x7 | grep
-i "51 ca"
[joel at rtbf64b gcc]$ m68k-rtems4.10-objdump -da zero-struct-2.x7 | grep
-i "5186c"
5186c: 51ca sf %d2
$ uC5282 -i zero-struct-2.x7
/users/joel/qemu-coverage/install/bin/qemu-system-m68k is
/users/joel/qemu-coverage/install/bin/qemu-system-m68k
qemu: fatal: Illegal instruction: 51ca @ 0005186c
D0 = 00000000 A0 = 00063b98 F0 = 0000000000000000 ( 0)
D1 = 00000034 A1 = 00063186 F1 = 0000000000000000 ( 0)
D2 = 00000000 A2 = 00063b98 F2 = 0000000000000000 ( 0)
D3 = 000615e6 A3 = 00000000 F3 = 0000000000000000 ( 0)
D4 = 00000034 A4 = 00000000 F4 = 0000000000000000 ( 0)
D5 = 00000000 A5 = 00000000 F5 = 0000000000000000 ( 0)
D6 = 00000000 A6 = 2000ffcc F6 = 0000000000000000 ( 0)
D7 = 00000000 A7 = 2000ffa0 F7 = 0000000000000000 ( 0)
PC = 00051864 SR = 2700 ----- FPRESULT = 0
[joel at rtbf64b gcc]$ uC5282 zero-struct-2.x7^C
Thanks.
--
Joel Sherrill, Ph.D. Director of Research& Development
joel.sherrill at OARcorp.com On-Line Applications Research
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