/* * 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. */ #include #include #include #include #include #include FUNC_EXPORT(leonbare_leon23_loadnocache) FUNC_EXPORT(leonbare_leon23_loadnocache16) FUNC_EXPORT(leonbare_leon23_loadnocache8) FUNC_EXPORT(leonbare_leon3_loadnocache) FUNC_EXPORT(leonbare_leon3_loadnocache16) FUNC_EXPORT(leonbare_leon3_loadnocache8) FUNC_EXPORT(leonbare_leon23_storenocache) FUNC_EXPORT(leonbare_leon23_storenocache16) FUNC_EXPORT(leonbare_leon23_storenocache8) FUNC_IMPORT(_leon_version) .text /* =================================== */ /* LEON2 / 3 */ /* load with forceing cache miss */ FUNC_BEGIN(leonbare_leon23_loadnocache) /* use only %o0,%o1,%o7 */ lda [%o0] ASI_LEON3_CACHEMISS, %o0 retl nop FUNC_END(leonbare_leon23_loadnocache) /* load with forceing cache miss */ FUNC_BEGIN(leonbare_leon23_loadnocache16) lduha [%o0] ASI_LEON3_CACHEMISS, %o0 retl nop FUNC_END(leonbare_leon23_loadnocache16) /* load with forceing cache miss */ FUNC_BEGIN(leonbare_leon23_loadnocache8) lduba [%o0] ASI_LEON3_CACHEMISS, %o0 retl nop FUNC_END(leonbare_leon23_loadnocache8) /* write through cache */ FUNC_BEGIN(leonbare_leon23_storenocache) /* use only %o0,%o1,%o7 */ st %o1, [%o0] retl mov %o1,%o0 FUNC_END(leonbare_leon23_storenocache) /* write through cache */ FUNC_BEGIN(leonbare_leon23_storenocache16) sth %o1, [%o0] retl mov %o1,%o0 FUNC_END(leonbare_leon23_storenocache16) /* write through cache */ FUNC_BEGIN(leonbare_leon23_storenocache8) stb %o1, [%o0] retl mov %o1,%o0 FUNC_END(leonbare_leon23_storenocache8) /* =================================== */ /* LEON3 only */ /* load with forceing cache miss */ FUNC_BEGIN(leonbare_leon3_loadnocache) /* use only %o0,%o1,%o7 */ retl lda [%o0] ASI_LEON3_CACHEMISS, %o0 FUNC_END(leonbare_leon3_loadnocache) /* load with forceing cache miss */ FUNC_BEGIN(leonbare_leon3_loadnocache16) retl lduha [%o0] ASI_LEON3_CACHEMISS, %o0 FUNC_END(leonbare_leon3_loadnocache16) /* load with forceing cache miss */ FUNC_BEGIN(leonbare_leon3_loadnocache8) retl lduba [%o0] ASI_LEON3_CACHEMISS, %o0 FUNC_END(leonbare_leon3_loadnocache8)