patch-2.4.22 linux-2.4.22/arch/mips/mm/pg-mips32.c

• Lines: 141
• Date: 1969-12-31 16:00:00.000000000 -0800
• Orig file: linux-2.4.21/arch/mips/mm/pg-mips32.c
• Orig date: 2002-08-02 17:39:43.000000000 -0700

diff -urN linux-2.4.21/arch/mips/mm/pg-mips32.c linux-2.4.22/arch/mips/mm/pg-mips32.c
@@ -1,140 +0,0 @@
-/*
- * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 2000 MIPS Technologies, Inc.  All rights reserved.
- *
- * This program is free software; you can distribute it and/or modify it
- * under the terms of the GNU General Public License (Version 2) as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope 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.
- *
- * MIPS32 CPU variant specific MMU/Cache routines.
- */
-#include <linux/sched.h>
-#include <linux/mm.h>
-
-#include <asm/bootinfo.h>
-#include <asm/cacheops.h>
-#include <asm/cpu.h>
-
-extern int dc_lsize, ic_lsize, sc_lsize;
-
-/*
- * Zero an entire page.
- */
-
-void mips32_clear_page_dc(unsigned long page)
-{
-	unsigned long i;
-
-        if (mips_cpu.options & MIPS_CPU_CACHE_CDEX) {
-	        for (i=page; i<page+PAGE_SIZE; i+=dc_lsize) {
-		        __asm__ __volatile__(
-			        ".set\tnoreorder\n\t"
-				".set\tnoat\n\t"
-				".set\tmips3\n\t"
-				"cache\t%2,(%0)\n\t"
-				".set\tmips0\n\t"
-				".set\tat\n\t"
-				".set\treorder"
-				:"=r" (i)
-				:"0" (i),
-				"I" (Create_Dirty_Excl_D));
-		}
-	}
-	for (i=page; i<page+PAGE_SIZE; i+=4)
-	        *(unsigned long *)(i) = 0;
-}
-
-void mips32_clear_page_sc(unsigned long page)
-{
-	unsigned long i;
-
-        if (mips_cpu.options & MIPS_CPU_CACHE_CDEX) {
-	        for (i=page; i<page+PAGE_SIZE; i+=sc_lsize) {
-		        __asm__ __volatile__(
-				".set\tnoreorder\n\t"
-				".set\tnoat\n\t"
-				".set\tmips3\n\t"
-				"cache\t%2,(%0)\n\t"
-				".set\tmips0\n\t"
-				".set\tat\n\t"
-				".set\treorder"
-				:"=r" (i)
-				:"0" (i),
-				"I" (Create_Dirty_Excl_SD));
-		}
-	}
-	for (i=page; i<page+PAGE_SIZE; i+=4)
-	        *(unsigned long *)(i) = 0;
-}
-
-void mips32_copy_page_dc(unsigned long to, unsigned long from)
-{
-	unsigned long i;
-
-        if (mips_cpu.options & MIPS_CPU_CACHE_CDEX) {
-	        for (i=to; i<to+PAGE_SIZE; i+=dc_lsize) {
-		        __asm__ __volatile__(
-			        ".set\tnoreorder\n\t"
-				".set\tnoat\n\t"
-				".set\tmips3\n\t"
-				"cache\t%2,(%0)\n\t"
-				".set\tmips0\n\t"
-				".set\tat\n\t"
-				".set\treorder"
-				:"=r" (i)
-				:"0" (i),
-				"I" (Create_Dirty_Excl_D));
-		}
-	}
-	for (i=0; i<PAGE_SIZE; i+=4)
-	        *(unsigned long *)(to+i) = *(unsigned long *)(from+i);
-}
-
-void mips32_copy_page_sc(unsigned long to, unsigned long from)
-{
-	unsigned long i;
-
-        if (mips_cpu.options & MIPS_CPU_CACHE_CDEX) {
-	        for (i=to; i<to+PAGE_SIZE; i+=sc_lsize) {
-		        __asm__ __volatile__(
-				".set\tnoreorder\n\t"
-				".set\tnoat\n\t"
-				".set\tmips3\n\t"
-				"cache\t%2,(%0)\n\t"
-				".set\tmips0\n\t"
-				".set\tat\n\t"
-				".set\treorder"
-				:"=r" (i)
-				:"0" (i),
-				"I" (Create_Dirty_Excl_SD));
-		}
-	}
-	for (i=0; i<PAGE_SIZE; i+=4)
-	        *(unsigned long *)(to+i) = *(unsigned long *)(from+i);
-}
-
-void pgd_init(unsigned long page)
-{
-	unsigned long *p = (unsigned long *) page;
-	int i;
-
-	for(i = 0; i < USER_PTRS_PER_PGD; i+=8) {
-		p[i + 0] = (unsigned long) invalid_pte_table;
-		p[i + 1] = (unsigned long) invalid_pte_table;
-		p[i + 2] = (unsigned long) invalid_pte_table;
-		p[i + 3] = (unsigned long) invalid_pte_table;
-		p[i + 4] = (unsigned long) invalid_pte_table;
-		p[i + 5] = (unsigned long) invalid_pte_table;
-		p[i + 6] = (unsigned long) invalid_pte_table;
-		p[i + 7] = (unsigned long) invalid_pte_table;
-	}
-}