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