patch-2.4.25 linux-2.4.25/arch/mips/mm/pg-r3k.c

• Lines: 112
• Date: 1969-12-31 16:00:00.000000000 -0800
• Orig file: linux-2.4.24/arch/mips/mm/pg-r3k.c
• Orig date: 2002-08-02 17:39:43.000000000 -0700

diff -urN linux-2.4.24/arch/mips/mm/pg-r3k.c linux-2.4.25/arch/mips/mm/pg-r3k.c
@@ -1,111 +0,0 @@
-/*
- * Copyright (C) 2001 Ralf Baechle (ralf@gnu.org)
- */
-#include <linux/sched.h>
-#include <linux/mm.h>
-
-/* page functions */
-void r3k_clear_page(void * page)
-{
-	__asm__ __volatile__(
-		".set\tnoreorder\n\t"
-		".set\tnoat\n\t"
-		"addiu\t$1,%0,%2\n"
-		"1:\tsw\t$0,(%0)\n\t"
-		"sw\t$0,4(%0)\n\t"
-		"sw\t$0,8(%0)\n\t"
-		"sw\t$0,12(%0)\n\t"
-		"addiu\t%0,32\n\t"
-		"sw\t$0,-16(%0)\n\t"
-		"sw\t$0,-12(%0)\n\t"
-		"sw\t$0,-8(%0)\n\t"
-		"bne\t$1,%0,1b\n\t"
-		"sw\t$0,-4(%0)\n\t"
-		".set\tat\n\t"
-		".set\treorder"
-		: "=r" (page)
-		: "0" (page), "I" (PAGE_SIZE)
-		: "memory");
-}
-
-void r3k_copy_page(void * to, void * from)
-{
-	unsigned long dummy1, dummy2;
-	unsigned long reg1, reg2, reg3, reg4;
-
-	__asm__ __volatile__(
-		".set\tnoreorder\n\t"
-		".set\tnoat\n\t"
-		"addiu\t$1,%0,%8\n"
-		"1:\tlw\t%2,(%1)\n\t"
-		"lw\t%3,4(%1)\n\t"
-		"lw\t%4,8(%1)\n\t"
-		"lw\t%5,12(%1)\n\t"
-		"sw\t%2,(%0)\n\t"
-		"sw\t%3,4(%0)\n\t"
-		"sw\t%4,8(%0)\n\t"
-		"sw\t%5,12(%0)\n\t"
-		"lw\t%2,16(%1)\n\t"
-		"lw\t%3,20(%1)\n\t"
-		"lw\t%4,24(%1)\n\t"
-		"lw\t%5,28(%1)\n\t"
-		"sw\t%2,16(%0)\n\t"
-		"sw\t%3,20(%0)\n\t"
-		"sw\t%4,24(%0)\n\t"
-		"sw\t%5,28(%0)\n\t"
-		"addiu\t%0,64\n\t"
-		"addiu\t%1,64\n\t"
-		"lw\t%2,-32(%1)\n\t"
-		"lw\t%3,-28(%1)\n\t"
-		"lw\t%4,-24(%1)\n\t"
-		"lw\t%5,-20(%1)\n\t"
-		"sw\t%2,-32(%0)\n\t"
-		"sw\t%3,-28(%0)\n\t"
-		"sw\t%4,-24(%0)\n\t"
-		"sw\t%5,-20(%0)\n\t"
-		"lw\t%2,-16(%1)\n\t"
-		"lw\t%3,-12(%1)\n\t"
-		"lw\t%4,-8(%1)\n\t"
-		"lw\t%5,-4(%1)\n\t"
-		"sw\t%2,-16(%0)\n\t"
-		"sw\t%3,-12(%0)\n\t"
-		"sw\t%4,-8(%0)\n\t"
-		"bne\t$1,%0,1b\n\t"
-		"sw\t%5,-4(%0)\n\t"
-		".set\tat\n\t"
-		".set\treorder"
-		: "=r" (dummy1), "=r" (dummy2),
-		  "=&r" (reg1), "=&r" (reg2), "=&r" (reg3), "=&r" (reg4)
-		: "0" (to), "1" (from),
-		  "I" (PAGE_SIZE));
-}
-
-/*
- * Initialize new page directory with pointers to invalid ptes
- */
-void pgd_init(unsigned long page)
-{
-	unsigned long dummy1, dummy2;
-
-	/*
-	 * The plain and boring version for the R3000.  No cache flushing
-	 * stuff is implemented since the R3000 has physical caches.
-	 */
-	__asm__ __volatile__(
-		".set\tnoreorder\n"
-		"1:\tsw\t%2, (%0)\n\t"
-		"sw\t%2, 4(%0)\n\t"
-		"sw\t%2, 8(%0)\n\t"
-		"sw\t%2, 12(%0)\n\t"
-		"sw\t%2, 16(%0)\n\t"
-		"sw\t%2, 20(%0)\n\t"
-		"sw\t%2, 24(%0)\n\t"
-		"sw\t%2, 28(%0)\n\t"
-		"subu\t%1, 1\n\t"
-		"bnez\t%1, 1b\n\t"
-		"addiu\t%0, 32\n\t"
-		".set\treorder"
-		:"=r" (dummy1), "=r" (dummy2)
-		:"r" ((unsigned long) invalid_pte_table), "0" (page),
-		 "1" (USER_PTRS_PER_PGD / 8));
-}