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Commit 115f2a44 authored by Thiemo Seufer's avatar Thiemo Seufer Committed by Ralf Baechle
Browse files

[MIPS] Print out TLB handler assembly for debugging. 



Small update, using pr_debug and pr_info.

Signed-off-by: default avatarThiemo Seufer <ths@networkno.de>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 4bf42d42

arch/mips/mm/tlbex.c

+71 −88
Original line number Diff line number Diff line
@@ -5,7 +5,7 @@ 
 *

 * Synthesize TLB refill handlers at runtime.

 *

 * Copyright (C) 2004,2005 by Thiemo Seufer

 * Copyright (C) 2004,2005,2006 by Thiemo Seufer

 * Copyright (C) 2005  Maciej W. Rozycki

 * Copyright (C) 2006  Ralf Baechle (ralf@linux-mips.org)

 *
@@ -35,8 +35,6 @@ 
#include <asm/smp.h>

#include <asm/war.h>



/* #define DEBUG_TLB */



static __init int __attribute__((unused)) r45k_bvahwbug(void)

{

	/* XXX: We should probe for the presence of this bug, but we don't. */
@@ -728,6 +726,7 @@ static void __init build_r3000_tlb_refill_handler(void) 
{

	long pgdc = (long)pgd_current;

	u32 *p;

	int i;



	memset(tlb_handler, 0, sizeof(tlb_handler));

	p = tlb_handler;
@@ -753,16 +752,14 @@ static void __init build_r3000_tlb_refill_handler(void) 
	if (p > tlb_handler + 32)

		panic("TLB refill handler space exceeded");



	printk("Synthesized TLB refill handler (%u instructions).\n",

	pr_info("Synthesized TLB refill handler (%u instructions).\n",

		(unsigned int)(p - tlb_handler));

#ifdef DEBUG_TLB

	{

		int i;



	pr_debug("\t.set push\n");

	pr_debug("\t.set noreorder\n");

	for (i = 0; i < (p - tlb_handler); i++)

			printk("%08x\n", tlb_handler[i]);

	}

#endif

		pr_debug("\t.word 0x%08x\n", tlb_handler[i]);

	pr_debug("\t.set pop\n");



	memcpy((void *)ebase, tlb_handler, 0x80);

}
@@ -1175,6 +1172,7 @@ static void __init build_r4000_tlb_refill_handler(void) 
	struct reloc *r = relocs;

	u32 *f;

	unsigned int final_len;

	int i;



	memset(tlb_handler, 0, sizeof(tlb_handler));

	memset(labels, 0, sizeof(labels));
@@ -1272,13 +1270,9 @@ static void __init build_r4000_tlb_refill_handler(void) 
#endif /* CONFIG_64BIT */



	resolve_relocs(relocs, labels);

	printk("Synthesized TLB refill handler (%u instructions).\n",

	pr_info("Synthesized TLB refill handler (%u instructions).\n",

		final_len);



#ifdef DEBUG_TLB

	{

		int i;



	f = final_handler;

#ifdef CONFIG_64BIT

	if (final_len > 32)
@@ -1286,10 +1280,11 @@ static void __init build_r4000_tlb_refill_handler(void) 
	else

		f = final_handler + 32;

#endif /* CONFIG_64BIT */

	pr_debug("\t.set push\n");

	pr_debug("\t.set noreorder\n");

	for (i = 0; i < final_len; i++)

			printk("%08x\n", f[i]);

	}

#endif

		pr_debug("\t.word 0x%08x\n", f[i]);

	pr_debug("\t.set pop\n");



	memcpy((void *)ebase, final_handler, 0x100);

}
@@ -1522,6 +1517,7 @@ static void __init build_r3000_tlb_load_handler(void) 
	u32 *p = handle_tlbl;

	struct label *l = labels;

	struct reloc *r = relocs;

	int i;



	memset(handle_tlbl, 0, sizeof(handle_tlbl));

	memset(labels, 0, sizeof(labels));
@@ -1541,17 +1537,14 @@ static void __init build_r3000_tlb_load_handler(void) 
		panic("TLB load handler fastpath space exceeded");



	resolve_relocs(relocs, labels);

	printk("Synthesized TLB load handler fastpath (%u instructions).\n",

	pr_info("Synthesized TLB load handler fastpath (%u instructions).\n",

		(unsigned int)(p - handle_tlbl));



#ifdef DEBUG_TLB

	{

		int i;



	pr_debug("\t.set push\n");

	pr_debug("\t.set noreorder\n");

	for (i = 0; i < (p - handle_tlbl); i++)

			printk("%08x\n", handle_tlbl[i]);

	}

#endif

		pr_debug("\t.word 0x%08x\n", handle_tlbl[i]);

	pr_debug("\t.set pop\n");

}



static void __init build_r3000_tlb_store_handler(void)
@@ -1559,6 +1552,7 @@ static void __init build_r3000_tlb_store_handler(void) 
	u32 *p = handle_tlbs;

	struct label *l = labels;

	struct reloc *r = relocs;

	int i;



	memset(handle_tlbs, 0, sizeof(handle_tlbs));

	memset(labels, 0, sizeof(labels));
@@ -1578,17 +1572,14 @@ static void __init build_r3000_tlb_store_handler(void) 
		panic("TLB store handler fastpath space exceeded");



	resolve_relocs(relocs, labels);

	printk("Synthesized TLB store handler fastpath (%u instructions).\n",

	pr_info("Synthesized TLB store handler fastpath (%u instructions).\n",

		(unsigned int)(p - handle_tlbs));



#ifdef DEBUG_TLB

	{

		int i;



	pr_debug("\t.set push\n");

	pr_debug("\t.set noreorder\n");

	for (i = 0; i < (p - handle_tlbs); i++)

			printk("%08x\n", handle_tlbs[i]);

	}

#endif

		pr_debug("\t.word 0x%08x\n", handle_tlbs[i]);

	pr_debug("\t.set pop\n");

}



static void __init build_r3000_tlb_modify_handler(void)
@@ -1596,6 +1587,7 @@ static void __init build_r3000_tlb_modify_handler(void) 
	u32 *p = handle_tlbm;

	struct label *l = labels;

	struct reloc *r = relocs;

	int i;



	memset(handle_tlbm, 0, sizeof(handle_tlbm));

	memset(labels, 0, sizeof(labels));
@@ -1615,17 +1607,14 @@ static void __init build_r3000_tlb_modify_handler(void) 
		panic("TLB modify handler fastpath space exceeded");



	resolve_relocs(relocs, labels);

	printk("Synthesized TLB modify handler fastpath (%u instructions).\n",

	pr_info("Synthesized TLB modify handler fastpath (%u instructions).\n",

		(unsigned int)(p - handle_tlbm));



#ifdef DEBUG_TLB

	{

		int i;



	pr_debug("\t.set push\n");

	pr_debug("\t.set noreorder\n");

	for (i = 0; i < (p - handle_tlbm); i++)

			printk("%08x\n", handle_tlbm[i]);

	}

#endif

		pr_debug("\t.word 0x%08x\n", handle_tlbm[i]);

	pr_debug("\t.set pop\n");

}



/*
@@ -1677,6 +1666,7 @@ static void __init build_r4000_tlb_load_handler(void) 
	u32 *p = handle_tlbl;

	struct label *l = labels;

	struct reloc *r = relocs;

	int i;



	memset(handle_tlbl, 0, sizeof(handle_tlbl));

	memset(labels, 0, sizeof(labels));
@@ -1704,17 +1694,14 @@ static void __init build_r4000_tlb_load_handler(void) 
		panic("TLB load handler fastpath space exceeded");



	resolve_relocs(relocs, labels);

	printk("Synthesized TLB load handler fastpath (%u instructions).\n",

	pr_info("Synthesized TLB load handler fastpath (%u instructions).\n",

		(unsigned int)(p - handle_tlbl));



#ifdef DEBUG_TLB

	{

		int i;



	pr_debug("\t.set push\n");

	pr_debug("\t.set noreorder\n");

	for (i = 0; i < (p - handle_tlbl); i++)

			printk("%08x\n", handle_tlbl[i]);

	}

#endif

		pr_debug("\t.word 0x%08x\n", handle_tlbl[i]);

	pr_debug("\t.set pop\n");

}



static void __init build_r4000_tlb_store_handler(void)
@@ -1722,6 +1709,7 @@ static void __init build_r4000_tlb_store_handler(void) 
	u32 *p = handle_tlbs;

	struct label *l = labels;

	struct reloc *r = relocs;

	int i;



	memset(handle_tlbs, 0, sizeof(handle_tlbs));

	memset(labels, 0, sizeof(labels));
@@ -1740,17 +1728,14 @@ static void __init build_r4000_tlb_store_handler(void) 
		panic("TLB store handler fastpath space exceeded");



	resolve_relocs(relocs, labels);

	printk("Synthesized TLB store handler fastpath (%u instructions).\n",

	pr_info("Synthesized TLB store handler fastpath (%u instructions).\n",

		(unsigned int)(p - handle_tlbs));



#ifdef DEBUG_TLB

	{

		int i;



	pr_debug("\t.set push\n");

	pr_debug("\t.set noreorder\n");

	for (i = 0; i < (p - handle_tlbs); i++)

			printk("%08x\n", handle_tlbs[i]);

	}

#endif

		pr_debug("\t.word 0x%08x\n", handle_tlbs[i]);

	pr_debug("\t.set pop\n");

}



static void __init build_r4000_tlb_modify_handler(void)
@@ -1758,6 +1743,7 @@ static void __init build_r4000_tlb_modify_handler(void) 
	u32 *p = handle_tlbm;

	struct label *l = labels;

	struct reloc *r = relocs;

	int i;



	memset(handle_tlbm, 0, sizeof(handle_tlbm));

	memset(labels, 0, sizeof(labels));
@@ -1777,17 +1763,14 @@ static void __init build_r4000_tlb_modify_handler(void) 
		panic("TLB modify handler fastpath space exceeded");



	resolve_relocs(relocs, labels);

	printk("Synthesized TLB modify handler fastpath (%u instructions).\n",

	pr_info("Synthesized TLB modify handler fastpath (%u instructions).\n",

		(unsigned int)(p - handle_tlbm));



#ifdef DEBUG_TLB

	{

		int i;



	pr_debug("\t.set push\n");

	pr_debug("\t.set noreorder\n");

	for (i = 0; i < (p - handle_tlbm); i++)

			printk("%08x\n", handle_tlbm[i]);

	}

#endif

		pr_debug("\t.word 0x%08x\n", handle_tlbm[i]);

	pr_debug("\t.set pop\n");

}



void __init build_tlb_refill_handler(void)