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Diffstat (limited to 'arch/mips/lib-32/dump_tlb.c')
-rw-r--r--arch/mips/lib-32/dump_tlb.c106
1 files changed, 65 insertions, 41 deletions
diff --git a/arch/mips/lib-32/dump_tlb.c b/arch/mips/lib-32/dump_tlb.c
index 019ac8f005d..46519f4331e 100644
--- a/arch/mips/lib-32/dump_tlb.c
+++ b/arch/mips/lib-32/dump_tlb.c
@@ -20,16 +20,25 @@
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";
+ 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";
+ 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
}
@@ -47,7 +56,7 @@ void dump_tlb(int first, int last)
unsigned int pagemask, c0, c1, asid;
unsigned long long entrylo0, entrylo1;
unsigned long entryhi;
- int i;
+ int i;
asid = read_c0_entryhi() & 0xff;
@@ -58,7 +67,7 @@ void dump_tlb(int first, int last)
tlb_read();
BARRIER();
pagemask = read_c0_pagemask();
- entryhi = read_c0_entryhi();
+ entryhi = read_c0_entryhi();
entrylo0 = read_c0_entrylo0();
entrylo1 = read_c0_entrylo1();
@@ -78,13 +87,11 @@ void dump_tlb(int first, int last)
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));
+ (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));
+ (entrylo1 & 2) ? 1 : 0, (entrylo1 & 1));
printk("\n");
}
}
@@ -99,7 +106,7 @@ void dump_tlb_all(void)
void dump_tlb_wired(void)
{
- int wired;
+ int wired;
wired = read_c0_wired();
printk("Wired: %d", wired);
@@ -138,9 +145,10 @@ void dump_tlb_nonwired(void)
void dump_list_process(struct task_struct *t, void *address)
{
- pgd_t *page_dir, *pgd;
- pmd_t *pmd;
- pte_t *pte, page;
+ pgd_t *page_dir, *pgd;
+ pud_t *pud;
+ pmd_t *pmd;
+ pte_t *pte, page;
unsigned long addr, val;
addr = (unsigned long) address;
@@ -152,21 +160,27 @@ void dump_list_process(struct task_struct *t, void *address)
if (addr > KSEG0)
page_dir = pgd_offset_k(0);
- else
+ else if (t->mm) {
page_dir = pgd_offset(t->mm, 0);
- printk("page_dir == %08x\n", (unsigned int) page_dir);
+ printk("page_dir == %08x\n", (unsigned int) page_dir);
+ } else
+ printk("Current thread has no mm\n");
if (addr > KSEG0)
pgd = pgd_offset_k(addr);
- else
+ else if (t->mm) {
pgd = pgd_offset(t->mm, addr);
- printk("pgd == %08x, ", (unsigned int) pgd);
+ printk("pgd == %08x, ", (unsigned int) pgd);
+ pud = pud_offset(pgd, addr);
+ printk("pud == %08x, ", (unsigned int) pud);
- pmd = pmd_offset(pgd, addr);
- printk("pmd == %08x, ", (unsigned int) pmd);
+ pmd = pmd_offset(pud, addr);
+ printk("pmd == %08x, ", (unsigned int) pmd);
- pte = pte_offset(pmd, addr);
- printk("pte == %08x, ", (unsigned int) pte);
+ pte = pte_offset(pmd, addr);
+ printk("pte == %08x, ", (unsigned int) pte);
+ } else
+ printk("Current thread has no mm\n");
page = *pte;
#ifdef CONFIG_64BIT_PHYS_ADDR
@@ -176,14 +190,22 @@ void dump_list_process(struct task_struct *t, void *address)
#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 ");
+ 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");
}
@@ -194,14 +216,16 @@ void dump_list_current(void *address)
unsigned int vtop(void *address)
{
- pgd_t *pgd;
- pmd_t *pmd;
- pte_t *pte;
+ 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);
- pmd = pmd_offset(pgd, 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);
@@ -214,9 +238,9 @@ void dump16(unsigned long *p)
int i;
for (i = 0; i < 8; i++) {
- printk("*%08lx == %08lx, ", (unsigned long)p, *p);
+ printk("*%08lx == %08lx, ", (unsigned long) p, *p);
p++;
- printk("*%08lx == %08lx\n", (unsigned long)p, *p);
+ printk("*%08lx == %08lx\n", (unsigned long) p, *p);
p++;
}
}