12012/03/30 - Mark Hatle <mark.hatle@windriver.com> 2 - Initial revision 3 4There are 4 primary PowerPC ABIs. 5# *) Hard/Soft Floating Point 6# *) 32-bit/64-bit 7 8TUNE_ARCH is defined as either "powerpc" or "powerpc64" based on the m32 9or m64 feature. 10 11May of the PowerPC package archictures are based on legacy Linux names. 12However, a general naming scheme should be similar to: ppc[64][<family>][-nf]. 13(Note: the default package architectures are "powerpc" and "powerpc64".) 14 15TUNE_PKGARCH is defined as TUNE_PKGARCH:tune-${DEFAULTTUNE}. All 16PowerPC tunings are required to define TUNE_PKGARCH:tune-<tune>. 17 18