1 files changed, 0 insertions, 207 deletions
diff --git a/qemu/roms/ipxe/src/core/fnrec.c b/qemu/roms/ipxe/src/core/fnrec.c
deleted file mode 100644
index 0430817f8..000000000
--- a/qemu/roms/ipxe/src/core/fnrec.c
+++ /dev/null
@@ -1,207 +0,0 @@
-/*
- * Copyright (C) 2010 Stefan Hajnoczi <stefanha@gmail.com>.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- *
- * You can also choose to distribute this program under the terms of
- * the Unmodified Binary Distribution Licence (as given in the file
- * COPYING.UBDL), provided that you have satisfied its requirements.
- */
-
-FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <ipxe/init.h>
-#include <ipxe/uaccess.h>
-#include <ipxe/io.h>
-
-/** @file
- *
- * Function trace recorder for crash and hang debugging
- *
- */
-
-/** Constant for identifying valid trace buffers */
-#define FNREC_MAGIC ( 'f' << 24 | 'n' << 16 | 'r' << 8 | 'e' )
-
-/** Number of trace buffer entries */
-#define FNREC_NUM_ENTRIES 4096
-
-/** Trace buffer physical address
- *
- * Fixed at 17MB
- */
-#define FNREC_PHYS_ADDRESS ( 17 * 1024 * 1024 )
-
-/** A trace buffer entry */
-struct fnrec_entry {
-	/** Called function address */
-	void *called_fn;
-	/** Call site */
-	void *call_site;
-	/** Entry count */
-	uint16_t entry_count;
-	/** Exit count */
-	uint16_t exit_count;
-	/** Checksum */
-	unsigned long checksum;
-};
-
-/** A trace buffer */
-struct fnrec_buffer {
-	/** Constant for identifying valid trace buffers */
-	uint32_t magic;
-
-	/** Next trace buffer entry to fill */
-	unsigned int idx;
-
-	/** Trace buffer */
-	struct fnrec_entry data[FNREC_NUM_ENTRIES]
-		__attribute__ (( aligned ( 64 ) ));
-};
-
-/** The trace buffer */
-static struct fnrec_buffer *fnrec_buffer;
-
-/**
- * Test whether the trace buffer is valid
- *
- * @ret is_valid	Buffer is valid
- */
-static int fnrec_is_valid ( void ) {
-	return ( fnrec_buffer && ( fnrec_buffer->magic == FNREC_MAGIC ) );
-}
-
-/**
- * Invalidate the trace buffer
- *
- */
-static void fnrec_invalidate ( void ) {
-	fnrec_buffer->magic = 0;
-}
-
-/**
- * Reset the trace buffer and clear entries
- */
-static void fnrec_reset ( void ) {
-	memset ( fnrec_buffer, 0, sizeof ( *fnrec_buffer ) );
-	fnrec_buffer->magic = FNREC_MAGIC;
-}
-
-/**
- * Append an entry to the trace buffer
- *
- * @v called_fn		Called function
- * @v call_site		Call site
- * @ret entry		Trace buffer entry
- */
-static struct fnrec_entry * fnrec_append ( void *called_fn, void *call_site ) {
-	struct fnrec_entry *entry;
-
-	/* Re-use existing entry, if possible */
-	entry = &fnrec_buffer->data[ fnrec_buffer->idx ];
-	if ( ( entry->called_fn == called_fn ) &&
-	     ( entry->call_site == call_site ) &&
-	     ( entry->entry_count >= entry->exit_count ) ) {
-		return entry;
-	}
-
-	/* Otherwise, create a new entry */
-	fnrec_buffer->idx = ( ( fnrec_buffer->idx + 1 ) % FNREC_NUM_ENTRIES );
-	entry = &fnrec_buffer->data[ fnrec_buffer->idx ];
-	entry->called_fn = called_fn;
-	entry->call_site = call_site;
-	entry->entry_count = 0;
-	entry->exit_count = 0;
-	entry->checksum = ( ( ( unsigned long ) called_fn ) ^
-			    ( ( unsigned long ) call_site ) );
-	return entry;
-}
-
-/**
- * Print the contents of the trace buffer in chronological order
- */
-static void fnrec_dump ( void ) {
-	struct fnrec_entry *entry;
-	unsigned int i;
-	unsigned int idx;
-	unsigned long checksum;
-
-	printf ( "fnrec buffer dump:\n" );
-	for ( i = 1 ; i <= FNREC_NUM_ENTRIES ; i++ ) {
-		idx = ( ( fnrec_buffer->idx + i ) % FNREC_NUM_ENTRIES );
-		entry = &fnrec_buffer->data[idx];
-		if ( ( entry->entry_count == 0 ) && ( entry->exit_count == 0 ) )
-			continue;
-		checksum = ( ( ( ( unsigned long ) entry->called_fn ) ^
-			       ( ( unsigned long ) entry->call_site ) ) +
-			     entry->entry_count + entry->exit_count );
-		printf ( "%p %p %d %d", entry->called_fn, entry->call_site,
-			 entry->entry_count, entry->exit_count );
-		if ( entry->checksum != checksum ) {
-			printf ( " (checksum wrong at phys %08lx)",
-				 virt_to_phys ( entry ) );
-		}
-		printf ( "\n");
-	}
-}
-
-/**
- * Function tracer initialisation function
- */
-static void fnrec_init ( void ) {
-
-	fnrec_buffer = phys_to_virt ( FNREC_PHYS_ADDRESS );
-	if ( fnrec_is_valid() ) {
-		fnrec_invalidate();
-		fnrec_dump();
-	} else {
-		printf ( "fnrec buffer not found\n" );
-	}
-	fnrec_reset();
-}
-
-struct init_fn fnrec_init_fn __init_fn ( INIT_NORMAL ) = {
-	.initialise = fnrec_init,
-};
-
-/*
- * These functions are called from every C function.  The compiler inserts
- * these calls when -finstrument-functions is used.
- */
-void __cyg_profile_func_enter ( void *called_fn, void *call_site ) {
-	struct fnrec_entry *entry;
-
-	if ( fnrec_is_valid() ) {
-		entry = fnrec_append ( called_fn, call_site );
-		entry->entry_count++;
-		entry->checksum++;
-		mb();
-	}
-}
-
-void __cyg_profile_func_exit ( void *called_fn, void *call_site ) {
-	struct fnrec_entry *entry;
-
-	if ( fnrec_is_valid() ) {
-		entry = fnrec_append ( called_fn, call_site );
-		entry->exit_count++;
-		entry->checksum++;
-		mb();
-	}
-}