Module Name: src Committed By: matt Date: Mon Jan 30 06:04:32 UTC 2012
Modified Files: src/sys/arch/powerpc/include: param.h Log Message: PowerPC wants 16-byte aligned stacks (for AltiVec). To generate a diff of this commit: cvs rdiff -u -r1.26 -r1.27 src/sys/arch/powerpc/include/param.h Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/arch/powerpc/include/param.h diff -u src/sys/arch/powerpc/include/param.h:1.26 src/sys/arch/powerpc/include/param.h:1.27 --- src/sys/arch/powerpc/include/param.h:1.26 Tue Jan 24 20:03:37 2012 +++ src/sys/arch/powerpc/include/param.h Mon Jan 30 06:04:32 2012 @@ -1,4 +1,4 @@ -/* $NetBSD: param.h,v 1.26 2012/01/24 20:03:37 christos Exp $ */ +/* $NetBSD: param.h,v 1.27 2012/01/30 06:04:32 matt Exp $ */ /*- * Copyright (C) 1995, 1996 Wolfgang Solfrank. @@ -53,6 +53,9 @@ #define MACHINE_ARCH "powerpc" #define MID_MACHINE MID_POWERPC +/* PowerPC-specific macro to align a stack pointer (downwards). */ +#define STACK_ALIGNBYTES (16 - 1) /* AltiVec */ + #ifdef PPC_IBM4XX #define PGSHIFT 14 /* Use 16KB to reduce TLB thrashing */ #define UPAGES 1