+++ /dev/null
-/*
- * 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 int pagemask, c0, c1, asid;
- unsigned long long entrylo0, entrylo1;
- unsigned long entryhi;
- int i;
-
- asid = read_c0_entryhi() & 0xff;
-
- printk("\n");
- 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 in KSEG0. */
- if ((entryhi & 0xf0000000) != 0x80000000
- && (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=%08lx asid=%02lx\n",
- (entryhi & 0xffffe000), (entryhi & 0xff));
- printk("\t\t\t[pa=%08Lx c=%d d=%d v=%d g=%Ld]\n",
- (entrylo0 << 6) & PAGE_MASK, c0,
- (entrylo0 & 4) ? 1 : 0,
- (entrylo0 & 2) ? 1 : 0, (entrylo0 & 1));
- printk("\t\t\t[pa=%08Lx 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(asid);
-}
-
-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("task == %8p\n", t);
- printk("task->mm == %8p\n", t->mm);
- //printk("tasks->mm.pgd == %08x\n", (unsigned int) t->mm->pgd);
-
- if (addr > KSEG0) {
- page_dir = pgd_offset_k(0);
- pgd = pgd_offset_k(addr);
- } else if (t->mm) {
- page_dir = pgd_offset(t->mm, 0);
- pgd = pgd_offset(t->mm, addr);
- } else {
- printk("Current thread has no mm\n");
- return;
- }
- printk("page_dir == %08x\n", (unsigned int) page_dir);
- printk("pgd == %08x, ", (unsigned int) pgd);
- pud = pud_offset(pgd, addr);
- printk("pud == %08x, ", (unsigned int) pud);
-
- pmd = pmd_offset(pud, addr);
- printk("pmd == %08x, ", (unsigned int) pmd);
-
- pte = pte_offset(pmd, addr);
- printk("pte == %08x, ", (unsigned int) pte);
-
- page = *pte;
-#ifdef CONFIG_64BIT_PHYS_ADDR
- printk("page == %08Lx\n", pte_val(page));
-#else
- printk("page == %08lx\n", pte_val(page));
-#endif
-
- 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 int vtop(void *address)
-{
- pgd_t *pgd;
- pud_t *pud;
- pmd_t *pmd;
- pte_t *pte;
- unsigned int 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 = (KSEG1 | (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++;
- }
-}
case PM_256M: return "256Mb";
#endif
}
-
- return "unknown";
+ return "";
}
#define BARRIER() \
void dump_tlb(int first, int last)
{
- unsigned long s_entryhi, entryhi, entrylo0, entrylo1, asid;
+ unsigned long s_entryhi, entryhi, asid;
+ unsigned long long entrylo0, entrylo1;
unsigned int s_index, pagemask, c0, c1, i;
s_entryhi = read_c0_entryhi();
/* Unused entries have a virtual address of CKSEG0. */
if ((entryhi & ~0x1ffffUL) != CKSEG0
&& (entryhi & 0xff) == asid) {
+#ifdef CONFIG_32BIT
+ int width = 8;
+#else
+ int width = 11;
+#endif
/*
* Only print entries in use
*/
c0 = (entrylo0 >> 3) & 7;
c1 = (entrylo1 >> 3) & 7;
- printk("va=%011lx asid=%02lx\n",
- (entryhi & ~0x1fffUL),
+ printk("va=%0*lx asid=%02lx\n",
+ width, (entryhi & ~0x1fffUL),
entryhi & 0xff);
- printk("\t[pa=%011lx c=%d d=%d v=%d g=%ld] ",
+ printk("\t[pa=%0*llx c=%d d=%d v=%d g=%d] ",
+ width,
(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",
+ (entrylo0 & 1) ? 1 : 0);
+ printk("[pa=%0*llx c=%d d=%d v=%d g=%d]\n",
+ width,
(entrylo1 << 6) & PAGE_MASK, c1,
(entrylo1 & 4) ? 1 : 0,
(entrylo1 & 2) ? 1 : 0,
- (entrylo1 & 1));
+ (entrylo1 & 1) ? 1 : 0);
}
}
printk("\n");
pmd_t *pmd;
pte_t *pte, page;
unsigned long addr, val;
+ int width = sizeof(long) * 2;
addr = (unsigned long) address;
printk("Addr == %08lx\n", addr);
+#ifdef CONFIG_64BIT
printk("tasks->mm.pgd == %08lx\n", (unsigned long) t->mm->pgd);
+#endif
+#ifdef CONFIG_64BIT
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);
+#else
+ if (addr > KSEG0) {
+ page_dir = pgd_offset_k(0);
+ pgd = pgd_offset_k(addr);
+ } else if (t->mm) {
+ page_dir = pgd_offset(t->mm, 0);
+ pgd = pgd_offset(t->mm, addr);
+ } else {
+ printk("Current thread has no mm\n");
+ return;
+ }
+#endif
+ printk("page_dir == %0*lx\n", width, (unsigned long) page_dir);
+ printk("pgd == %0*lx\n", width, (unsigned long) pgd);
pud = pud_offset(pgd, addr);
- printk("pud == %016lx\n", (unsigned long) pud);
+ printk("pud == %0*lx\n", width, (unsigned long) pud);
pmd = pmd_offset(pud, addr);
- printk("pmd == %016lx\n", (unsigned long) pmd);
+ printk("pmd == %0*lx\n", width, (unsigned long) pmd);
pte = pte_offset(pmd, addr);
- printk("pte == %016lx\n", (unsigned long) pte);
+ printk("pte == %0*lx\n", width, (unsigned long) pte);
page = *pte;
- printk("page == %08lx\n", pte_val(page));
+#ifdef CONFIG_64BIT_PHYS_ADDR
+ printk("page == %08Lx\n", pte_val(page));
+#else
+ printk("page == %0*lx\n", width, pte_val(page));
+#endif
val = pte_val(page);
if (val & _PAGE_PRESENT) printk("present ");
projects / linux-2.6 / commitdiff