I revised BlueLightning CPU patch because I found that there are
BlueLightning CPUs which do not change undefined flag by dividing 5 by
2 like Intel CPUs. After my obtaining test reports on *both* IBM
BlueLightning CPUs and old Intel 486 CPUs that do not support cpuid
instruction, I'll commit in
Current CPU detection routine sometimes fails to detect IBM
BlueLightning CPU. The problem is caused by failure of Cyrix/IBM CPU
detection in sys/i386/i386/locore.s. Our Cyrix/IBM CPU detection code
is different from that in Cyrix's BIOS writer's guide because latter
code cannot d
