diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/mips/lib/dump_tlb.c')
-rw-r--r-- | ANDROID_3.4.5/arch/mips/lib/dump_tlb.c | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/ANDROID_3.4.5/arch/mips/lib/dump_tlb.c b/ANDROID_3.4.5/arch/mips/lib/dump_tlb.c deleted file mode 100644 index 3f697255..00000000 --- a/ANDROID_3.4.5/arch/mips/lib/dump_tlb.c +++ /dev/null @@ -1,111 +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 <asm/mipsregs.h> -#include <asm/page.h> -#include <asm/pgtable.h> -#include <asm/tlbdebug.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"; -#ifdef CONFIG_CPU_CAVIUM_OCTEON - case PM_8K: return "8kb"; - case PM_32K: return "32kb"; - case PM_128K: return "128kb"; - case PM_512K: return "512kb"; - case PM_2M: return "2Mb"; - case PM_8M: return "8Mb"; - case PM_32M: return "32Mb"; -#endif -#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_1G: return "1Gb"; -#endif - } - return ""; -} - -#define BARRIER() \ - __asm__ __volatile__( \ - ".set\tnoreorder\n\t" \ - "nop;nop;nop;nop;nop;nop;nop\n\t" \ - ".set\treorder"); - -static void dump_tlb(int first, int last) -{ - unsigned long s_entryhi, entryhi, asid; - unsigned long long entrylo0, entrylo1; - 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) { -#ifdef CONFIG_32BIT - int width = 8; -#else - int width = 11; -#endif - /* - * Only print entries in use - */ - printk("Index: %2d pgmask=%s ", i, msk2str(pagemask)); - - c0 = (entrylo0 >> 3) & 7; - c1 = (entrylo1 >> 3) & 7; - - printk("va=%0*lx asid=%02lx\n", - width, (entryhi & ~0x1fffUL), - entryhi & 0xff); - 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) ? 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) ? 1 : 0); - } - } - 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); -} |