HelenOS sources

cr0                33 boot/arch/ppc32/include/arch/regname.h #define cr0  0
cr0                39 kernel/arch/ppc32/include/arch/asm/regname.h #define cr0  0
cr0                39 uspace/lib/c/arch/ppc32/include/libarch/regname.h #define	cr0	0
HelenOS homepage, sources at GitHub