| /* |
| * 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 <asm-leon/elfmacro.h> |
| #include <asm-leon/leon.h> |
| #include <asm-leon/leonstack.h> |
| #include <asm-leon/contextswitch.h> |
| #include <asm-leon/winmacros.h> |
| #include <asm-leon/leonbare_kernel.h> |
| |
| 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) |
| |
| |
| |