[MIPS] Print out TLB handler assembly for debugging.
Small update, using pr_debug and pr_info. Signed-off-by: Thiemo Seufer <ths@networkno.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Thiemo Seufer
Ralf Baechle
parent
4bf42d4272
commit
115f2a44e0
1 changed files with 70 additions and 87 deletions
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@ -5,7 +5,7 @@
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*
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* Synthesize TLB refill handlers at runtime.
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*
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* Copyright (C) 2004,2005 by Thiemo Seufer
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* Copyright (C) 2004,2005,2006 by Thiemo Seufer
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* Copyright (C) 2005 Maciej W. Rozycki
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* Copyright (C) 2006 Ralf Baechle (ralf@linux-mips.org)
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*
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@ -35,8 +35,6 @@
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#include <asm/smp.h>
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#include <asm/war.h>
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/* #define DEBUG_TLB */
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static __init int __attribute__((unused)) r45k_bvahwbug(void)
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{
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/* XXX: We should probe for the presence of this bug, but we don't. */
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@ -728,6 +726,7 @@ static void __init build_r3000_tlb_refill_handler(void)
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{
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long pgdc = (long)pgd_current;
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u32 *p;
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int i;
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memset(tlb_handler, 0, sizeof(tlb_handler));
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p = tlb_handler;
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@ -753,16 +752,14 @@ static void __init build_r3000_tlb_refill_handler(void)
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if (p > tlb_handler + 32)
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panic("TLB refill handler space exceeded");
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printk("Synthesized TLB refill handler (%u instructions).\n",
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(unsigned int)(p - tlb_handler));
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#ifdef DEBUG_TLB
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{
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int i;
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pr_info("Synthesized TLB refill handler (%u instructions).\n",
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(unsigned int)(p - tlb_handler));
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for (i = 0; i < (p - tlb_handler); i++)
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printk("%08x\n", tlb_handler[i]);
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}
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#endif
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pr_debug("\t.set push\n");
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pr_debug("\t.set noreorder\n");
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for (i = 0; i < (p - tlb_handler); i++)
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pr_debug("\t.word 0x%08x\n", tlb_handler[i]);
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pr_debug("\t.set pop\n");
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memcpy((void *)ebase, tlb_handler, 0x80);
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}
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@ -1175,6 +1172,7 @@ static void __init build_r4000_tlb_refill_handler(void)
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struct reloc *r = relocs;
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u32 *f;
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unsigned int final_len;
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int i;
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memset(tlb_handler, 0, sizeof(tlb_handler));
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memset(labels, 0, sizeof(labels));
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@ -1272,24 +1270,21 @@ static void __init build_r4000_tlb_refill_handler(void)
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#endif /* CONFIG_64BIT */
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resolve_relocs(relocs, labels);
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printk("Synthesized TLB refill handler (%u instructions).\n",
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final_len);
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pr_info("Synthesized TLB refill handler (%u instructions).\n",
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final_len);
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#ifdef DEBUG_TLB
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{
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int i;
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f = final_handler;
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f = final_handler;
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#ifdef CONFIG_64BIT
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if (final_len > 32)
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final_len = 64;
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else
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f = final_handler + 32;
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if (final_len > 32)
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final_len = 64;
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else
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f = final_handler + 32;
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#endif /* CONFIG_64BIT */
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for (i = 0; i < final_len; i++)
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printk("%08x\n", f[i]);
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}
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#endif
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pr_debug("\t.set push\n");
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pr_debug("\t.set noreorder\n");
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for (i = 0; i < final_len; i++)
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pr_debug("\t.word 0x%08x\n", f[i]);
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pr_debug("\t.set pop\n");
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memcpy((void *)ebase, final_handler, 0x100);
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}
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@ -1522,6 +1517,7 @@ static void __init build_r3000_tlb_load_handler(void)
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u32 *p = handle_tlbl;
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struct label *l = labels;
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struct reloc *r = relocs;
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int i;
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memset(handle_tlbl, 0, sizeof(handle_tlbl));
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memset(labels, 0, sizeof(labels));
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@ -1541,17 +1537,14 @@ static void __init build_r3000_tlb_load_handler(void)
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panic("TLB load handler fastpath space exceeded");
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resolve_relocs(relocs, labels);
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printk("Synthesized TLB load handler fastpath (%u instructions).\n",
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(unsigned int)(p - handle_tlbl));
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pr_info("Synthesized TLB load handler fastpath (%u instructions).\n",
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(unsigned int)(p - handle_tlbl));
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#ifdef DEBUG_TLB
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{
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int i;
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for (i = 0; i < (p - handle_tlbl); i++)
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printk("%08x\n", handle_tlbl[i]);
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}
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#endif
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pr_debug("\t.set push\n");
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pr_debug("\t.set noreorder\n");
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for (i = 0; i < (p - handle_tlbl); i++)
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pr_debug("\t.word 0x%08x\n", handle_tlbl[i]);
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pr_debug("\t.set pop\n");
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}
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static void __init build_r3000_tlb_store_handler(void)
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@ -1559,6 +1552,7 @@ static void __init build_r3000_tlb_store_handler(void)
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u32 *p = handle_tlbs;
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struct label *l = labels;
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struct reloc *r = relocs;
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int i;
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memset(handle_tlbs, 0, sizeof(handle_tlbs));
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memset(labels, 0, sizeof(labels));
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@ -1578,17 +1572,14 @@ static void __init build_r3000_tlb_store_handler(void)
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panic("TLB store handler fastpath space exceeded");
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resolve_relocs(relocs, labels);
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printk("Synthesized TLB store handler fastpath (%u instructions).\n",
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(unsigned int)(p - handle_tlbs));
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pr_info("Synthesized TLB store handler fastpath (%u instructions).\n",
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(unsigned int)(p - handle_tlbs));
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#ifdef DEBUG_TLB
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{
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int i;
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for (i = 0; i < (p - handle_tlbs); i++)
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printk("%08x\n", handle_tlbs[i]);
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}
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#endif
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pr_debug("\t.set push\n");
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pr_debug("\t.set noreorder\n");
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for (i = 0; i < (p - handle_tlbs); i++)
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pr_debug("\t.word 0x%08x\n", handle_tlbs[i]);
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pr_debug("\t.set pop\n");
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}
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static void __init build_r3000_tlb_modify_handler(void)
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@ -1596,6 +1587,7 @@ static void __init build_r3000_tlb_modify_handler(void)
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u32 *p = handle_tlbm;
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struct label *l = labels;
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struct reloc *r = relocs;
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int i;
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memset(handle_tlbm, 0, sizeof(handle_tlbm));
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memset(labels, 0, sizeof(labels));
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@ -1615,17 +1607,14 @@ static void __init build_r3000_tlb_modify_handler(void)
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panic("TLB modify handler fastpath space exceeded");
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resolve_relocs(relocs, labels);
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printk("Synthesized TLB modify handler fastpath (%u instructions).\n",
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(unsigned int)(p - handle_tlbm));
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pr_info("Synthesized TLB modify handler fastpath (%u instructions).\n",
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(unsigned int)(p - handle_tlbm));
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#ifdef DEBUG_TLB
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{
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int i;
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for (i = 0; i < (p - handle_tlbm); i++)
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printk("%08x\n", handle_tlbm[i]);
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}
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#endif
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pr_debug("\t.set push\n");
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pr_debug("\t.set noreorder\n");
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for (i = 0; i < (p - handle_tlbm); i++)
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pr_debug("\t.word 0x%08x\n", handle_tlbm[i]);
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pr_debug("\t.set pop\n");
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}
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/*
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@ -1677,6 +1666,7 @@ static void __init build_r4000_tlb_load_handler(void)
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u32 *p = handle_tlbl;
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struct label *l = labels;
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struct reloc *r = relocs;
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int i;
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memset(handle_tlbl, 0, sizeof(handle_tlbl));
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memset(labels, 0, sizeof(labels));
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@ -1704,17 +1694,14 @@ static void __init build_r4000_tlb_load_handler(void)
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panic("TLB load handler fastpath space exceeded");
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resolve_relocs(relocs, labels);
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printk("Synthesized TLB load handler fastpath (%u instructions).\n",
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(unsigned int)(p - handle_tlbl));
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pr_info("Synthesized TLB load handler fastpath (%u instructions).\n",
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(unsigned int)(p - handle_tlbl));
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#ifdef DEBUG_TLB
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{
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int i;
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for (i = 0; i < (p - handle_tlbl); i++)
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printk("%08x\n", handle_tlbl[i]);
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}
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#endif
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pr_debug("\t.set push\n");
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pr_debug("\t.set noreorder\n");
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for (i = 0; i < (p - handle_tlbl); i++)
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pr_debug("\t.word 0x%08x\n", handle_tlbl[i]);
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pr_debug("\t.set pop\n");
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}
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static void __init build_r4000_tlb_store_handler(void)
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@ -1722,6 +1709,7 @@ static void __init build_r4000_tlb_store_handler(void)
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u32 *p = handle_tlbs;
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struct label *l = labels;
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struct reloc *r = relocs;
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int i;
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memset(handle_tlbs, 0, sizeof(handle_tlbs));
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memset(labels, 0, sizeof(labels));
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@ -1740,17 +1728,14 @@ static void __init build_r4000_tlb_store_handler(void)
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panic("TLB store handler fastpath space exceeded");
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resolve_relocs(relocs, labels);
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printk("Synthesized TLB store handler fastpath (%u instructions).\n",
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(unsigned int)(p - handle_tlbs));
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pr_info("Synthesized TLB store handler fastpath (%u instructions).\n",
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(unsigned int)(p - handle_tlbs));
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#ifdef DEBUG_TLB
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{
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int i;
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for (i = 0; i < (p - handle_tlbs); i++)
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printk("%08x\n", handle_tlbs[i]);
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}
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#endif
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pr_debug("\t.set push\n");
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pr_debug("\t.set noreorder\n");
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for (i = 0; i < (p - handle_tlbs); i++)
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pr_debug("\t.word 0x%08x\n", handle_tlbs[i]);
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pr_debug("\t.set pop\n");
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}
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static void __init build_r4000_tlb_modify_handler(void)
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@ -1758,6 +1743,7 @@ static void __init build_r4000_tlb_modify_handler(void)
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u32 *p = handle_tlbm;
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struct label *l = labels;
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struct reloc *r = relocs;
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int i;
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memset(handle_tlbm, 0, sizeof(handle_tlbm));
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memset(labels, 0, sizeof(labels));
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@ -1777,17 +1763,14 @@ static void __init build_r4000_tlb_modify_handler(void)
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panic("TLB modify handler fastpath space exceeded");
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resolve_relocs(relocs, labels);
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printk("Synthesized TLB modify handler fastpath (%u instructions).\n",
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(unsigned int)(p - handle_tlbm));
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pr_info("Synthesized TLB modify handler fastpath (%u instructions).\n",
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(unsigned int)(p - handle_tlbm));
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#ifdef DEBUG_TLB
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{
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int i;
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for (i = 0; i < (p - handle_tlbm); i++)
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printk("%08x\n", handle_tlbm[i]);
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}
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#endif
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pr_debug("\t.set push\n");
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pr_debug("\t.set noreorder\n");
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for (i = 0; i < (p - handle_tlbm); i++)
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pr_debug("\t.word 0x%08x\n", handle_tlbm[i]);
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pr_debug("\t.set pop\n");
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}
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void __init build_tlb_refill_handler(void)
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