Disintegrate asm/system.h for SH. Signed-off-by: David Howells <dhowells@redhat.com> cc: linux-sh@vger.kernel.org
SH-2A supports both 16 and 32-bit instructions, add a simple helper for figuring out the instruction size in the places where there are hardcoded 16-bit assumptions. Signed-off-by: Paul Mundt <lethal@linux-sh.org>