118 lines
3.3 KiB
ArmAsm
118 lines
3.3 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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#include <asm-leon/elfmacro.h>
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#include <asm-leon/leon.h>
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#include <asm-leon/leonstack.h>
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#include <asm-leon/contextswitch.h>
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#include <asm-leon/winmacros.h>
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#include <asm-leon/leonbare_kernel.h>
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FUNC_EXPORT(leonbare_leon23_loadnocache)
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FUNC_EXPORT(leonbare_leon23_loadnocache16)
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FUNC_EXPORT(leonbare_leon23_loadnocache8)
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FUNC_EXPORT(leonbare_leon3_loadnocache)
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FUNC_EXPORT(leonbare_leon3_loadnocache16)
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FUNC_EXPORT(leonbare_leon3_loadnocache8)
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FUNC_EXPORT(leonbare_leon23_storenocache)
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FUNC_EXPORT(leonbare_leon23_storenocache16)
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FUNC_EXPORT(leonbare_leon23_storenocache8)
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FUNC_IMPORT(_leon_version)
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.text
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/* =================================== */
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/* LEON2 / 3 */
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/* load with forceing cache miss */
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FUNC_BEGIN(leonbare_leon23_loadnocache) /* use only %o0,%o1,%o7 */
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lda [%o0] ASI_LEON3_CACHEMISS, %o0
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retl
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nop
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FUNC_END(leonbare_leon23_loadnocache)
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/* load with forceing cache miss */
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FUNC_BEGIN(leonbare_leon23_loadnocache16)
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lduha [%o0] ASI_LEON3_CACHEMISS, %o0
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retl
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nop
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FUNC_END(leonbare_leon23_loadnocache16)
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/* load with forceing cache miss */
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FUNC_BEGIN(leonbare_leon23_loadnocache8)
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lduba [%o0] ASI_LEON3_CACHEMISS, %o0
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retl
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nop
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FUNC_END(leonbare_leon23_loadnocache8)
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/* write through cache */
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FUNC_BEGIN(leonbare_leon23_storenocache) /* use only %o0,%o1,%o7 */
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st %o1, [%o0]
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retl
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mov %o1,%o0
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FUNC_END(leonbare_leon23_storenocache)
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/* write through cache */
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FUNC_BEGIN(leonbare_leon23_storenocache16)
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sth %o1, [%o0]
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retl
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mov %o1,%o0
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FUNC_END(leonbare_leon23_storenocache16)
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/* write through cache */
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FUNC_BEGIN(leonbare_leon23_storenocache8)
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stb %o1, [%o0]
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retl
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mov %o1,%o0
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FUNC_END(leonbare_leon23_storenocache8)
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/* =================================== */
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/* LEON3 only */
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/* load with forceing cache miss */
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FUNC_BEGIN(leonbare_leon3_loadnocache) /* use only %o0,%o1,%o7 */
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retl
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lda [%o0] ASI_LEON3_CACHEMISS, %o0
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FUNC_END(leonbare_leon3_loadnocache)
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/* load with forceing cache miss */
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FUNC_BEGIN(leonbare_leon3_loadnocache16)
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retl
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lduha [%o0] ASI_LEON3_CACHEMISS, %o0
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FUNC_END(leonbare_leon3_loadnocache16)
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/* load with forceing cache miss */
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FUNC_BEGIN(leonbare_leon3_loadnocache8)
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retl
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lduba [%o0] ASI_LEON3_CACHEMISS, %o0
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FUNC_END(leonbare_leon3_loadnocache8)
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