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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/mips/lib/dump_tlb.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
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.c111
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);
-}