78 lines
2.1 KiB
ArmAsm
78 lines
2.1 KiB
ArmAsm
/*
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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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.section .text
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/* ------- */
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.weak _hardreset_custom_weak
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.set _hardreset_custom_weak,_hardreset_custom_weak_dummy
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/* ------- */
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.global _nwindows, _leon_version, _nwindows_min1
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_hardreset_custom_weak_dummy:
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!''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
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! get nwindows and leon version
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mov %psr, %l3
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srl %l3, 24, %g5
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and %g5, 3, %g5
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subcc %g5, 3, %g0 ! leon3: 3
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bne 1f
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nop
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set _leon_version,%l0
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set 3,%l1
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st %l1,[%l0]
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mov %asr17, %g5 ! leon3 has nwindows in %asr17
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ba 2f
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1:
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/* other version */
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2:
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and %g5, 0x1f, %g5
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set _nwindows_min1, %l3
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st %g5, [%l3]
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add %g5,1,%g5
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set _nwindows, %l3
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st %g5, [%l3]
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set _nwindows_min2, %l3
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sub %g5,2,%g5
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st %g5, [%l3]
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!''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
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retl
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nop
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!''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
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.section .data
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.global _nwindows, _leon_version, _nwindows_min1, _nwindows_min2
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_nwindows:
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.word 8
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_nwindows_min1:
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.word 7
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_nwindows_min2:
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.word 6
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_leon_version:
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.word 3
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