mirror of
https://github.com/smaeul/u-boot.git
synced 2025-11-04 14:00:19 +00:00
d8819f94d5
Some changes are needed to x86 timer functions to support tracing. Add these so that the feature works correctly. Signed-off-by: Simon Glass <sjg@chromium.org>
41 lines
1.5 KiB
C
41 lines
1.5 KiB
C
/*
|
|
* This file is part of the coreboot project.
|
|
*
|
|
* Copyright (C) 2009 coresystems GmbH
|
|
*
|
|
* This program 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; version 2 or later of the License.
|
|
*
|
|
* This program 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.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
|
|
*/
|
|
|
|
#ifdef __GNUC__
|
|
|
|
/*
|
|
* GCC's libgcc handling is quite broken. While the libgcc functions
|
|
* are always regparm(0) the code that calls them uses whatever the
|
|
* compiler call specifies. Therefore we need a wrapper around those
|
|
* functions. See gcc bug PR41055 for more information.
|
|
*/
|
|
#define WRAP_LIBGCC_CALL(type, name) \
|
|
type __normal_##name(type a, type b) __attribute__((regparm(0))); \
|
|
type __wrap_##name(type a, type b); \
|
|
type __attribute__((no_instrument_function)) \
|
|
__wrap_##name(type a, type b) \
|
|
{ return __normal_##name(a, b); }
|
|
|
|
WRAP_LIBGCC_CALL(long long, __divdi3)
|
|
WRAP_LIBGCC_CALL(unsigned long long, __udivdi3)
|
|
WRAP_LIBGCC_CALL(long long, __moddi3)
|
|
WRAP_LIBGCC_CALL(unsigned long long, __umoddi3)
|
|
|
|
#endif
|