From c6e8b587718c486b55c2ebecc6de231a30beba35 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Thu, 10 Feb 2005 12:19:59 +0000 Subject: Update MIPS to use the 4-level pagetable code thereby getting rid of the compacrapability headers. Signed-off-by: Ralf Baechle --- arch/mips/lib-32/dump_tlb.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'arch/mips/lib-32/dump_tlb.c') diff --git a/arch/mips/lib-32/dump_tlb.c b/arch/mips/lib-32/dump_tlb.c index 019ac8f005d7..f6d134feb12a 100644 --- a/arch/mips/lib-32/dump_tlb.c +++ b/arch/mips/lib-32/dump_tlb.c @@ -139,6 +139,7 @@ void dump_tlb_nonwired(void) 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; @@ -162,7 +163,10 @@ void dump_list_process(struct task_struct *t, void *address) pgd = pgd_offset(t->mm, addr); printk("pgd == %08x, ", (unsigned int) pgd); - pmd = pmd_offset(pgd, addr); + 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); @@ -195,13 +199,15 @@ void dump_list_current(void *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); - 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); -- cgit v1.2.3-55-g7522 From d2f755e04f26b9ab4b8da24c025dc4f6112d6bee Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Tue, 16 Aug 2005 17:06:48 +0000 Subject: Reindent dump_tlb.c. Signed-off-by: Ralf Baechle --- arch/mips/lib-32/dump_tlb.c | 83 ++++++++++++++++++++++++++------------------- 1 file changed, 49 insertions(+), 34 deletions(-) (limited to 'arch/mips/lib-32/dump_tlb.c') diff --git a/arch/mips/lib-32/dump_tlb.c b/arch/mips/lib-32/dump_tlb.c index f6d134feb12a..9373a7740125 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); @@ -138,10 +145,10 @@ void dump_tlb_nonwired(void) 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; + pgd_t *page_dir, *pgd; + pud_t *pud; + pmd_t *pmd; + pte_t *pte, page; unsigned long addr, val; addr = (unsigned long) address; @@ -180,14 +187,22 @@ 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"); } @@ -198,10 +213,10 @@ void dump_list_current(void *address) unsigned int vtop(void *address) { - pgd_t *pgd; - pud_t *pud; - 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; @@ -220,9 +235,9 @@ 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++; } } -- cgit v1.2.3-55-g7522 From ac351d947390c00b8ece3cde997fe173fc8649ed Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Tue, 16 Aug 2005 17:47:00 +0000 Subject: Add a few simple error checks to tlb dumper. Signed-off-by: Ralf Baechle --- arch/mips/lib-32/dump_tlb.c | 25 ++++++++++++++----------- 1 file changed, 14 insertions(+), 11 deletions(-) (limited to 'arch/mips/lib-32/dump_tlb.c') diff --git a/arch/mips/lib-32/dump_tlb.c b/arch/mips/lib-32/dump_tlb.c index 9373a7740125..46519f4331eb 100644 --- a/arch/mips/lib-32/dump_tlb.c +++ b/arch/mips/lib-32/dump_tlb.c @@ -160,24 +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); - pud = pud_offset(pgd, addr); - printk("pud == %08x, ", (unsigned int) pud); - - pmd = pmd_offset(pud, 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 -- cgit v1.2.3-55-g7522