The Book-E versions of tophys/tovirt are not simple no ops to ensure compatibility with their "classic" ppc brethren.
--- Added as Hollis and Josh's request. This is in my powerpc-next tree. - k include/asm-powerpc/ppc_asm.h | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/include/asm-powerpc/ppc_asm.h b/include/asm-powerpc/ppc_asm.h index 2dbd4e7..70fc433 100644 --- a/include/asm-powerpc/ppc_asm.h +++ b/include/asm-powerpc/ppc_asm.h @@ -356,6 +356,11 @@ END_FTR_SECTION_IFCLR(CPU_FTR_601) #define toreal(rd) #define fromreal(rd) +/* + * We use addis to sure compatible with the "classic" ppc versions + * of these macros that might have rs as 0, which means a value of 0 + * not r0 + */ #define tophys(rd,rs) \ addis rd,rs,0 -- 1.5.4.5 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev