| /* This file contains code to do profiling. |
| |
| Copyright (C) 2007-2014 Free Software Foundation, Inc. |
| Contributor: Joern Rennecke <joern.rennecke@embecosm.com> |
| 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 |
| <http://www.gnu.org/licenses/>. */ |
| |
| #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] |
