<DIV>Hi,</DIV>
<DIV> </DIV>
<DIV> I failed to compile the uboot on my 440GP platform, I set the compile switch as "-m440 -mcpu=440",</DIV>
<DIV> </DIV>
<DIV> But the interest thing is when I change the switch to "-m405 -mcpu=440", I can compile my uboot successfully, why?</DIV>
<DIV> </DIV>
<DIV> Also I find all the instructions are existed both in user manual of PPC_405 and PPC440. </DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV>make[1]: Leaving directory `/opt/glacier_boot/post/cpu'<BR>ppc_4xx-gcc -Wa,-gstabs -D__ASSEMBLY__ -g -Os -fPIC -ffixed-r14 -meabi -fno-strict-aliasing -D__KERNEL__ -DTEXT_BASE=0xFFC40000 -I/opt/glacier_boot/include -fno-builtin -ffreestanding -nostdinc -isystem /opt/eldk4.0/usr/bin/../lib/gcc/powerpc-linux/4.0.0/include -pipe -DCONFIG_PPC -D__powerpc__ -DCONFIG_4xx -ffixed-r2 -ffixed-r29 -mstring -Wa,-m440 -mcpu=440 -msoft-float -c -o cpu/ppc4xx/start.o /opt/glacier_boot/cpu/ppc4xx/start.S<BR>/opt/glacier_boot/cpu/ppc4xx/start.S: Assembler messages:<BR>/opt/glacier_boot/cpu/ppc4xx/start.S:996: Error: Unrecognized opcode: `mfdccr'<BR>/opt/glacier_boot/cpu/ppc4xx/start.S:998: Error: Unrecognized opcode: `mtdccr'<BR>/opt/glacier_boot/cpu/ppc4xx/start.S:1016: Error: Unrecognized opcode: `mtdccr'<BR>/opt/glacier_boot/cpu/ppc4xx/start.S:1027: Error: Unrecognized opcode: `mticcr'<BR>/opt/glacier_boot/cpu/ppc4xx/start.S:1033: Error: Unrecognized opcode: `mticcr'<BR>/opt/glacier_boot/cpu/ppc4xx/start.S:1039: Error: Unrecognized opcode: `mficcr'<BR>/opt/glacier_boot/cpu/ppc4xx/start.S:1050: Error: Unrecognized opcode: `mtdccr'<BR>/opt/glacier_boot/cpu/ppc4xx/start.S:1059: Error: Unrecognized opcode: `mtdccr'<BR>/opt/glacier_boot/cpu/ppc4xx/start.S:1064: Error: Unrecognized opcode: `mfdccr'<BR>make: *** [cpu/ppc4xx/start.o] Error 1<BR>[root@localhost glacier_boot]# </DIV>
<DIV> </DIV>
<DIV> </DIV>
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