patch-2.4.19 linux-2.4.19/arch/mips64/kernel/r4k_tlb_debug.c
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- Lines: 72
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
linux-2.4.18/arch/mips64/kernel/r4k_tlb_debug.c
- Orig date:
Sun Sep 9 10:43:01 2001
diff -urN linux-2.4.18/arch/mips64/kernel/r4k_tlb_debug.c linux-2.4.19/arch/mips64/kernel/r4k_tlb_debug.c
@@ -1,71 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1999 Ralf Baechle
- * Copyright (C) 1999 Silicon Graphics, Inc.
- *
- * TLB debugging routines. These perform horribly slow but can easily be
- * modified for debugging purposes.
- */
-#include <linux/linkage.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/ptrace.h>
-#include <asm/system.h>
-
-asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long write,
- unsigned long address);
-
-asmlinkage void tlb_refill_debug(struct pt_regs regs)
-{
- show_regs(®s);
- panic(__FUNCTION__ " called. This Does Not Happen (TM).");
-}
-
-asmlinkage void xtlb_refill_debug(struct pt_regs *regs)
-{
- unsigned long addr;
- pgd_t *pgd;
- pmd_t *pmd;
- pte_t *pte;
-
- addr = regs->cp0_badvaddr & ~((PAGE_SIZE << 1) - 1);
- pgd = pgd_offset(current->active_mm, addr);
- pmd = pmd_offset(pgd, addr);
- pte = pte_offset(pmd, addr);
-
- set_entrylo0(pte_val(pte[0]) >> 6);
- set_entrylo1(pte_val(pte[1]) >> 6);
- __asm__ __volatile__("nop;nop;nop");
-
- tlb_write_random();
-}
-
-asmlinkage void xtlb_mod_debug(struct pt_regs *regs)
-{
- unsigned long addr;
-
- addr = regs->cp0_badvaddr;
- do_page_fault(regs, 1, addr);
-}
-
-asmlinkage void xtlb_tlbl_debug(struct pt_regs *regs)
-{
- unsigned long addr;
-
- addr = regs->cp0_badvaddr;
- do_page_fault(regs, 0, addr);
-}
-
-asmlinkage void xtlb_tlbs_debug(struct pt_regs *regs)
-{
- unsigned long addr;
-
- addr = regs->cp0_badvaddr;
- do_page_fault(regs, 1, addr);
-}
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