mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-30 19:53:46 +00:00
58 lines
1.8 KiB
ArmAsm
58 lines
1.8 KiB
ArmAsm
/* This file contains code to do profiling.
|
|
|
|
Copyright (C) 2007-2016 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:
|
|
#if !defined (__EM__) && !defined (__HS__)
|
|
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:
|
|
#endif /* !__EM__ && !__HS__ */
|
|
mov_s r0,1
|
|
j_s [blink]
|