From: Daniel Hellstrom <daniel@xxxxxxxxxxx> Date: Tue, 22 May 2012 08:28:24 +0200 > On 05/21/2012 06:16 PM, Sam Ravnborg wrote: >> On Mon, May 21, 2012 at 04:14:20PM +0200, Daniel Hellstrom wrote: >>> Hello Dave, >>> >>> I am trying to catch up on what has been happening lately with the >>> sparc >>> port. Have the latest patches removed support for SPARC V7 CPUs? >> Yes. The sun4c were the only users of v7 so today we tell gcc to >> generate v8 >> code. This imply support for muldiv& friends. >> >> > From the sparc Makefile: >> >> KBUILD_CFLAGS += -mcpu=v8 > > Does this mean that if we change it to mcpu=v7 or mcpu=cypress (or > removing mcpu=v8) the kernel can still be run on a V7 CPU? Or have > software routines for making V8 mul/div operations on a V7 CPU been > removed so that V7 CPUs can't run Linux regardless of compiler option? The kernel will never run on a v7 cpu ever again, as we've removed support for the sun4c architecture completely. -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
