📄 cache.s
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/* * (C) Copyright 2004, Psyent Corporation <www.psyent.com> * Scott McNutt <smcnutt@psyent.com> * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */#include <config.h> .text .global flush_dcacheflush_dcache: add r5, r5, r4 movhi r8, %hi(CFG_DCACHELINE_SIZE) ori r8, r8, %lo(CFG_DCACHELINE_SIZE)0: flushd 0(r4) add r4, r4, r8 bltu r4, r5, 0b ret .global flush_icacheflush_icache: add r5, r5, r4 movhi r8, %hi(CFG_ICACHELINE_SIZE) ori r8, r8, %lo(CFG_ICACHELINE_SIZE)1: flushi r4 add r4, r4, r8 bltu r4, r5, 1b ret .global flush_cacheflush_cache: add r5, r5, r4 mov r9, r4 mov r10, r5 movhi r8, %hi(CFG_DCACHELINE_SIZE) ori r8, r8, %lo(CFG_DCACHELINE_SIZE)0: flushd 0(r4) add r4, r4, r8 bltu r4, r5, 0b mov r4, r9 mov r5, r10 movhi r8, %hi(CFG_ICACHELINE_SIZE) ori r8, r8, %lo(CFG_ICACHELINE_SIZE)1: flushi r4 add r4, r4, r8 bltu r4, r5, 1b sync flushp ret
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