204d74320d
Summary: PowerISA 2.03 and later require bits 14:65 in the RB register argument, which is the full value of the vpn argument post-shift. Only POWER4, POWER4+, and PPC970* need the upper 16 bits cropped. With this change FreeBSD can boot to multi-user on POWER9. Reviewed by: nwhitehorn Differential Revision: https://reviews.freebsd.org/D15581