55 lines
1.9 KiB
C
55 lines
1.9 KiB
C
/*
|
|
* Copyright (c) 2011 Aeroflex Gaisler
|
|
*
|
|
* BSD license:
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
|
|
#ifndef _INCLUDE_LEON_ASMMACRO_h
|
|
#define _INCLUDE_LEON_ASMMACRO_h
|
|
|
|
#include <asm-leon/leonstack.h>
|
|
|
|
/* All trap entry points _must_ begin with this macro or else you
|
|
* lose. It makes sure the kernel has a proper window so that
|
|
* c-code can be called.
|
|
*/
|
|
#define SAVE_ALL_HEAD \
|
|
sethi %hi(leonbare_trapsetup), %l4; \
|
|
jmpl %l4 + %lo(leonbare_trapsetup), %l6;
|
|
#define SAVE_ALL \
|
|
SAVE_ALL_HEAD \
|
|
nop;
|
|
|
|
#define SAVE_ALL_FAST(l) \
|
|
set l-8, %l6; \
|
|
sethi %hi(leonbare_trapsetup_fast), %l4; \
|
|
jmpl %l4 + %lo(leonbare_trapsetup_fast), %g0; \
|
|
nop;
|
|
|
|
/* All traps low-level code here must end with this macro. */
|
|
#define RESTORE_ALL b leonbare_trapreturn; clr %l6;
|
|
#define RESTORE_ALL_FAST b leonbare_trapreturn_fast; clr %l6;
|
|
|
|
#define WRITE_PAUSE nop; nop; nop;
|
|
|
|
#endif /* !_INCLUDE_LEON_STACK_h */
|