/*--------------------------------------------------------------------------------- Copyright (C) 2005 Michael Noland (joat) Jason Rogers (dovoto) Dave Murphy (WinterMute) This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software. Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions: 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. 3. This notice may not be removed or altered from any source distribution. ---------------------------------------------------------------------------------*/ #define ICACHE_SIZE 0x2000 #define DCACHE_SIZE 0x1000 #define CACHE_LINE_SIZE 32 //--------------------------------------------------------------------------------- .arm //--------------------------------------------------------------------------------- .global IC_InvalidateAll //--------------------------------------------------------------------------------- IC_InvalidateAll: /*--------------------------------------------------------------------------------- Clean and invalidate entire data cache ---------------------------------------------------------------------------------*/ mov r0, #0 mcr p15, 0, r0, c7, c5, 0 bx lr //--------------------------------------------------------------------------------- .global IC_InvalidateRange //--------------------------------------------------------------------------------- IC_InvalidateRange: /*--------------------------------------------------------------------------------- Invalidate a range ---------------------------------------------------------------------------------*/ add r1, r1, r0 bic r0, r0, #CACHE_LINE_SIZE - 1 .invalidate: mcr p15, 0, r0, c7, c5, 1 add r0, r0, #CACHE_LINE_SIZE cmp r0, r1 blt .invalidate bx lr