/* This file contains code to do profiling. Copyright (C) 2007-2014 Free Software Foundation, Inc. Contributor: Joern Rennecke on behalf of Synopsys Inc. This file is part of GCC. GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. Under Section 7 of GPL version 3, you are granted additional permissions described in the GCC Runtime Library Exception, version 3.1, as published by the Free Software Foundation. You should have received a copy of the GNU General Public License and a copy of the GCC Runtime Library Exception along with this program; see the files COPYING3 and COPYING.RUNTIME respectively. If not, see . */ #include "../asm.h" #include "auxreg.h" /* This file contains code to do profiling. */ .weak __profile_timer_cycles .global __profile_timer_cycles .set __profile_timer_cycles, 200 .text ; For Arctangent-A5, if no data cache is present, a read of the ; cache build register returns the ID register. For ARC600 and ; later, the version field will be zero. .global __dcache_linesz .balign 4 __dcache_linesz: lr r12,[D_CACHE_BUILD] extb_s r0,r12 breq_s r0,0,.Lsz_nocache brge r0,0x20,.Lsz_havecache lr r0,[IDENTITY] breq r12,r0,.Lsz_nocache .Lsz_havecache: lsr_s r12,r12,16 mov_s r0,16 bmsk_s r12,r12,3 asl_s r0,r0,r12 j_s [blink] .Lsz_nocache: mov_s r0,1 j_s [blink]