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-rw-r--r--arch/mips/lib-64/Makefile23
-rw-r--r--arch/mips/lib-64/dump_tlb.c216
-rw-r--r--arch/mips/lib-64/watch.S57
3 files changed, 0 insertions, 296 deletions
diff --git a/arch/mips/lib-64/Makefile b/arch/mips/lib-64/Makefile
deleted file mode 100644
index 8b94d4cc5a30..000000000000
--- a/arch/mips/lib-64/Makefile
+++ /dev/null
@@ -1,23 +0,0 @@
-#
-# Makefile for MIPS-specific library files..
-#
-
-lib-y += watch.o
-
-obj-$(CONFIG_CPU_MIPS32) += dump_tlb.o
-obj-$(CONFIG_CPU_MIPS64) += dump_tlb.o
-obj-$(CONFIG_CPU_NEVADA) += dump_tlb.o
-obj-$(CONFIG_CPU_R10000) += dump_tlb.o
-obj-$(CONFIG_CPU_R3000) += r3k_dump_tlb.o
-obj-$(CONFIG_CPU_R4300) += dump_tlb.o
-obj-$(CONFIG_CPU_R4X00) += dump_tlb.o
-obj-$(CONFIG_CPU_R5000) += dump_tlb.o
-obj-$(CONFIG_CPU_R5432) += dump_tlb.o
-obj-$(CONFIG_CPU_R6000) +=
-obj-$(CONFIG_CPU_R8000) +=
-obj-$(CONFIG_CPU_RM7000) += dump_tlb.o
-obj-$(CONFIG_CPU_RM9000) += dump_tlb.o
-obj-$(CONFIG_CPU_SB1) += dump_tlb.o
-obj-$(CONFIG_CPU_TX39XX) += r3k_dump_tlb.o
-obj-$(CONFIG_CPU_TX49XX) += dump_tlb.o
-obj-$(CONFIG_CPU_VR41XX) += dump_tlb.o
diff --git a/arch/mips/lib-64/dump_tlb.c b/arch/mips/lib-64/dump_tlb.c
deleted file mode 100644
index 594df1a05ecc..000000000000
--- a/arch/mips/lib-64/dump_tlb.c
+++ /dev/null
@@ -1,216 +0,0 @@
-/*
- * Dump R4x00 TLB for debugging purposes.
- *
- * Copyright (C) 1994, 1995 by Waldorf Electronics, written by Ralf Baechle.
- * Copyright (C) 1999 by Silicon Graphics, Inc.
- */
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/sched.h>
-#include <linux/string.h>
-
-#include <asm/bootinfo.h>
-#include <asm/cachectl.h>
-#include <asm/cpu.h>
-#include <asm/mipsregs.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-
-static inline const char *msk2str(unsigned int mask)
-{
- switch (mask) {
- case PM_4K: return "4kb";
- case PM_16K: return "16kb";
- case PM_64K: return "64kb";
- case PM_256K: return "256kb";
-#ifndef CONFIG_CPU_VR41XX
- case PM_1M: return "1Mb";
- case PM_4M: return "4Mb";
- case PM_16M: return "16Mb";
- case PM_64M: return "64Mb";
- case PM_256M: return "256Mb";
-#endif
- }
-
- return "unknown";
-}
-
-#define BARRIER() \
- __asm__ __volatile__( \
- ".set\tnoreorder\n\t" \
- "nop;nop;nop;nop;nop;nop;nop\n\t" \
- ".set\treorder");
-
-void dump_tlb(int first, int last)
-{
- unsigned long s_entryhi, entryhi, entrylo0, entrylo1, asid;
- unsigned int s_index, pagemask, c0, c1, i;
-
- s_entryhi = read_c0_entryhi();
- s_index = read_c0_index();
- asid = s_entryhi & 0xff;
-
- for (i = first; i <= last; i++) {
- write_c0_index(i);
- BARRIER();
- tlb_read();
- BARRIER();
- pagemask = read_c0_pagemask();
- entryhi = read_c0_entryhi();
- entrylo0 = read_c0_entrylo0();
- entrylo1 = read_c0_entrylo1();
-
- /* Unused entries have a virtual address of CKSEG0. */
- if ((entryhi & ~0x1ffffUL) != CKSEG0
- && (entryhi & 0xff) == asid) {
- /*
- * Only print entries in use
- */
- printk("Index: %2d pgmask=%s ", i, msk2str(pagemask));
-
- c0 = (entrylo0 >> 3) & 7;
- c1 = (entrylo1 >> 3) & 7;
-
- printk("va=%011lx asid=%02lx\n",
- (entryhi & ~0x1fffUL),
- entryhi & 0xff);
- printk("\t[pa=%011lx c=%d d=%d v=%d g=%ld] ",
- (entrylo0 << 6) & PAGE_MASK, c0,
- (entrylo0 & 4) ? 1 : 0,
- (entrylo0 & 2) ? 1 : 0,
- (entrylo0 & 1));
- printk("[pa=%011lx c=%d d=%d v=%d g=%ld]\n",
- (entrylo1 << 6) & PAGE_MASK, c1,
- (entrylo1 & 4) ? 1 : 0,
- (entrylo1 & 2) ? 1 : 0,
- (entrylo1 & 1));
- }
- }
- printk("\n");
-
- write_c0_entryhi(s_entryhi);
- write_c0_index(s_index);
-}
-
-void dump_tlb_all(void)
-{
- dump_tlb(0, current_cpu_data.tlbsize - 1);
-}
-
-void dump_tlb_wired(void)
-{
- int wired;
-
- wired = read_c0_wired();
- printk("Wired: %d", wired);
- dump_tlb(0, read_c0_wired());
-}
-
-void dump_tlb_addr(unsigned long addr)
-{
- unsigned int flags, oldpid;
- int index;
-
- local_irq_save(flags);
- oldpid = read_c0_entryhi() & 0xff;
- BARRIER();
- write_c0_entryhi((addr & PAGE_MASK) | oldpid);
- BARRIER();
- tlb_probe();
- BARRIER();
- index = read_c0_index();
- write_c0_entryhi(oldpid);
- local_irq_restore(flags);
-
- if (index < 0) {
- printk("No entry for address 0x%08lx in TLB\n", addr);
- return;
- }
-
- printk("Entry %d maps address 0x%08lx\n", index, addr);
- dump_tlb(index, index);
-}
-
-void dump_tlb_nonwired(void)
-{
- dump_tlb(read_c0_wired(), current_cpu_data.tlbsize - 1);
-}
-
-void dump_list_process(struct task_struct *t, void *address)
-{
- pgd_t *page_dir, *pgd;
- pud_t *pud;
- pmd_t *pmd;
- pte_t *pte, page;
- unsigned long addr, val;
-
- addr = (unsigned long) address;
-
- printk("Addr == %08lx\n", addr);
- printk("tasks->mm.pgd == %08lx\n", (unsigned long) t->mm->pgd);
-
- page_dir = pgd_offset(t->mm, 0UL);
- printk("page_dir == %016lx\n", (unsigned long) page_dir);
-
- pgd = pgd_offset(t->mm, addr);
- printk("pgd == %016lx\n", (unsigned long) pgd);
-
- pud = pud_offset(pgd, addr);
- printk("pud == %016lx\n", (unsigned long) pud);
-
- pmd = pmd_offset(pud, addr);
- printk("pmd == %016lx\n", (unsigned long) pmd);
-
- pte = pte_offset(pmd, addr);
- printk("pte == %016lx\n", (unsigned long) pte);
-
- page = *pte;
- printk("page == %08lx\n", pte_val(page));
-
- val = pte_val(page);
- if (val & _PAGE_PRESENT) printk("present ");
- if (val & _PAGE_READ) printk("read ");
- if (val & _PAGE_WRITE) printk("write ");
- if (val & _PAGE_ACCESSED) printk("accessed ");
- if (val & _PAGE_MODIFIED) printk("modified ");
- if (val & _PAGE_R4KBUG) printk("r4kbug ");
- if (val & _PAGE_GLOBAL) printk("global ");
- if (val & _PAGE_VALID) printk("valid ");
- printk("\n");
-}
-
-void dump_list_current(void *address)
-{
- dump_list_process(current, address);
-}
-
-unsigned long vtop(void *address)
-{
- pgd_t *pgd;
- pud_t *pud;
- pmd_t *pmd;
- pte_t *pte;
- unsigned long addr, paddr;
-
- addr = (unsigned long) address;
- pgd = pgd_offset(current->mm, addr);
- pud = pud_offset(pgd, addr);
- pmd = pmd_offset(pud, addr);
- pte = pte_offset(pmd, addr);
- paddr = (CKSEG1 | (unsigned int) pte_val(*pte)) & PAGE_MASK;
- paddr |= (addr & ~PAGE_MASK);
-
- return paddr;
-}
-
-void dump16(unsigned long *p)
-{
- int i;
-
- for (i = 0; i < 8; i++) {
- printk("*%08lx == %08lx, ", (unsigned long)p, *p);
- p++;
- printk("*%08lx == %08lx\n", (unsigned long)p, *p);
- p++;
- }
-}
diff --git a/arch/mips/lib-64/watch.S b/arch/mips/lib-64/watch.S
deleted file mode 100644
index f91434013695..000000000000
--- a/arch/mips/lib-64/watch.S
+++ /dev/null
@@ -1,57 +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.
- *
- * Kernel debug stuff to use the Watch registers.
- * Useful to find stack overflows, dangling pointers etc.
- *
- * Copyright (C) 1995, 1996, 1999, 2001 by Ralf Baechle
- */
-#include <asm/asm.h>
-#include <asm/mipsregs.h>
-#include <asm/regdef.h>
-
- .set noreorder
-/*
- * Parameter: a0 - physical address to watch
- * a1 - set bit #1 to trap on load references
- * bit #0 to trap on store references
- * Results : none
- */
- LEAF(__watch_set)
- ori a0, 7
- xori a0, 7
- or a0, a1
- mtc0 a0, CP0_WATCHLO
- sd a0, watch_savelo
- dsrl32 a0, a0, 0
-
- jr ra
- mtc0 zero, CP0_WATCHHI
- END(__watch_set)
-
-/*
- * Parameter: none
- * Results : none
- */
- LEAF(__watch_clear)
- jr ra
- mtc0 zero, CP0_WATCHLO
- END(__watch_clear)
-
-/*
- * Parameter: none
- * Results : none
- */
- LEAF(__watch_reenable)
- ld t0, watch_savelo
- jr ra
- mtc0 t0, CP0_WATCHLO
- END(__watch_reenable)
-
-/*
- * Saved value of the c0_watchlo register for watch_reenable()
- */
- .local watch_savelo
- .comm watch_savelo, 8, 8