[debug] Add DBG_MD5() and related macros

Signed-off-by: Michael Brown <mcb30@ipxe.org>

src/core/debug_md5.c

+/*
+ * Copyright (C) 2006 Michael Brown <mbrown@fensystems.co.uk>.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdio.h>
+#include <stdint.h>
+#include <ipxe/crypto.h>
+#include <ipxe/md5.h>
+
+/**
+ * Print an MD5 checksum with specified display address
+ *
+ * @v dispaddr		Display address
+ * @v data		Data to checksum
+ * @v len		Length of data
+ */
+void dbg_md5_da ( unsigned long dispaddr, const void *data,
+		  unsigned long len ) {
+	struct digest_algorithm *digest = &md5_algorithm;
+	uint8_t digest_ctx[digest->ctxsize];
+	uint8_t digest_out[digest->digestsize];
+	unsigned int i;
+
+	printf ( "md5sum ( %#08lx, %#lx ) = ", dispaddr, len );
+	digest_init ( digest, digest_ctx );
+	digest_update ( digest, digest_ctx, data, len );
+	digest_final ( digest, digest_ctx, digest_out );
+	for ( i = 0 ; i < sizeof ( digest_out ) ; i++ )
+		printf ( "%02x", digest_out[i] );
+	printf ( "\n" );
+}

src/include/compiler.h

 extern void dbg_decolourise ( void );
 extern void dbg_hex_dump_da ( unsigned long dispaddr,
 			      const void *data, unsigned long len );
+extern void dbg_md5_da ( unsigned long dispaddr,
+			 const void *data, unsigned long len );
 extern void dbg_pause ( void );
 extern void dbg_more ( void );
 
 		DBG_HDA_IF ( level, _data, _data, len );	\
 	} while ( 0 )
 
+/**
+ * Print an MD5 checksum if we are at a certain debug level
+ *
+ * @v level		Debug level
+ * @v dispaddr		Display address
+ * @v data		Data to print
+ * @v len		Length of data
+ */
+#define DBG_MD5A_IF( level, dispaddr, data, len )  do {		\
+		if ( DBG_ ## level ) {				\
+			union {					\
+				unsigned long ul;		\
+				typeof ( dispaddr ) raw;	\
+			} da;					\
+			da.raw = dispaddr;			\
+			dbg_md5_da ( da.ul, data, len );	\
+		}						\
+	} while ( 0 )
+
+/**
+ * Print an MD5 checksum if we are at a certain debug level
+ *
+ * @v level		Debug level
+ * @v data		Data to print
+ * @v len		Length of data
+ */
+#define DBG_MD5_IF( level, data, len ) do {			\
+		const void *_data = data;			\
+		DBG_MD5A_IF ( level, _data, _data, len );	\
+	} while ( 0 )
+
 /**
  * Prompt for key press if we are at a certain debug level
  *
 		DBG_DC_IF ( level );				\
 	} while ( 0 )
 
+#define DBGC_MD5A_IF( level, id, ... ) do {			\
+		DBG_AC_IF ( level, id );			\
+		DBG_MD5A_IF ( level, __VA_ARGS__ );		\
+		DBG_DC_IF ( level );				\
+	} while ( 0 )
+
+#define DBGC_MD5_IF( level, id, ... ) do {			\
+		DBG_AC_IF ( level, id );			\
+		DBG_MD5_IF ( level, __VA_ARGS__ );		\
+		DBG_DC_IF ( level );				\
+	} while ( 0 )
+
 #define DBGC_PAUSE_IF( level, id ) do {				\
 		DBG_AC_IF ( level, id );			\
 		DBG_PAUSE_IF ( level );				\
 #define DBG( ... )		DBG_IF		( LOG, ##__VA_ARGS__ )
 #define DBG_HDA( ... )		DBG_HDA_IF	( LOG, ##__VA_ARGS__ )
 #define DBG_HD( ... )		DBG_HD_IF	( LOG, ##__VA_ARGS__ )
+#define DBG_MD5A( ... )		DBG_MD5A_IF	( LOG, ##__VA_ARGS__ )
+#define DBG_MD5( ... )		DBG_MD5_IF	( LOG, ##__VA_ARGS__ )
 #define DBG_PAUSE( ... )	DBG_PAUSE_IF	( LOG, ##__VA_ARGS__ )
 #define DBG_MORE( ... )		DBG_MORE_IF	( LOG, ##__VA_ARGS__ )
 #define DBGC( ... )		DBGC_IF		( LOG, ##__VA_ARGS__ )
 #define DBGC_HDA( ... )		DBGC_HDA_IF	( LOG, ##__VA_ARGS__ )
 #define DBGC_HD( ... )		DBGC_HD_IF	( LOG, ##__VA_ARGS__ )
+#define DBGC_MD5A( ... )	DBGC_MD5A_IF	( LOG, ##__VA_ARGS__ )
+#define DBGC_MD5( ... )		DBGC_MD5_IF	( LOG, ##__VA_ARGS__ )
 #define DBGC_PAUSE( ... )	DBGC_PAUSE_IF	( LOG, ##__VA_ARGS__ )
 #define DBGC_MORE( ... )	DBGC_MORE_IF	( LOG, ##__VA_ARGS__ )
 
 #define DBG2( ... )		DBG_IF		( EXTRA, ##__VA_ARGS__ )
 #define DBG2_HDA( ... )		DBG_HDA_IF	( EXTRA, ##__VA_ARGS__ )
 #define DBG2_HD( ... )		DBG_HD_IF	( EXTRA, ##__VA_ARGS__ )
+#define DBG2_MD5A( ... )	DBG_MD5A_IF	( EXTRA, ##__VA_ARGS__ )
+#define DBG2_MD5( ... )		DBG_MD5_IF	( EXTRA, ##__VA_ARGS__ )
 #define DBG2_PAUSE( ... )	DBG_PAUSE_IF	( EXTRA, ##__VA_ARGS__ )
 #define DBG2_MORE( ... )	DBG_MORE_IF	( EXTRA, ##__VA_ARGS__ )
 #define DBGC2( ... )		DBGC_IF		( EXTRA, ##__VA_ARGS__ )
 #define DBGC2_HDA( ... )	DBGC_HDA_IF	( EXTRA, ##__VA_ARGS__ )
 #define DBGC2_HD( ... )		DBGC_HD_IF	( EXTRA, ##__VA_ARGS__ )
+#define DBGC2_MD5A( ... )	DBGC_MD5A_IF	( EXTRA, ##__VA_ARGS__ )
+#define DBGC2_MD5( ... )	DBGC_MD5_IF	( EXTRA, ##__VA_ARGS__ )
 #define DBGC2_PAUSE( ... )	DBGC_PAUSE_IF	( EXTRA, ##__VA_ARGS__ )
 #define DBGC2_MORE( ... )	DBGC_MORE_IF	( EXTRA, ##__VA_ARGS__ )
 
 #define DBGP( ... )		DBG_IF		( PROFILE, ##__VA_ARGS__ )
 #define DBGP_HDA( ... )		DBG_HDA_IF	( PROFILE, ##__VA_ARGS__ )
 #define DBGP_HD( ... )		DBG_HD_IF	( PROFILE, ##__VA_ARGS__ )
+#define DBGP_MD5A( ... )	DBG_MD5A_IF	( PROFILE, ##__VA_ARGS__ )
+#define DBGP_MD5( ... )		DBG_MD5_IF	( PROFILE, ##__VA_ARGS__ )
 #define DBGP_PAUSE( ... )	DBG_PAUSE_IF	( PROFILE, ##__VA_ARGS__ )
 #define DBGP_MORE( ... )	DBG_MORE_IF	( PROFILE, ##__VA_ARGS__ )
 #define DBGCP( ... )		DBGC_IF		( PROFILE, ##__VA_ARGS__ )
 #define DBGCP_HDA( ... )	DBGC_HDA_IF	( PROFILE, ##__VA_ARGS__ )
 #define DBGCP_HD( ... )		DBGC_HD_IF	( PROFILE, ##__VA_ARGS__ )
+#define DBGCP_MD5A( ... )	DBGC_MD5A_IF	( PROFILE, ##__VA_ARGS__ )
+#define DBGCP_MD5( ... )	DBGC_MD5_IF	( PROFILE, ##__VA_ARGS__ )
 #define DBGCP_PAUSE( ... )	DBGC_PAUSE_IF	( PROFILE, ##__VA_ARGS__ )
 #define DBGCP_MORE( ... )	DBGC_MORE_IF	( PROFILE, ##__VA_ARGS__ )
 
 #define DBGIO( ... )		DBG_IF		( IO, ##__VA_ARGS__ )
 #define DBGIO_HDA( ... )	DBG_HDA_IF	( IO, ##__VA_ARGS__ )
 #define DBGIO_HD( ... )		DBG_HD_IF	( IO, ##__VA_ARGS__ )
+#define DBGIO_MD5A( ... )	DBG_MD5A_IF	( IO, ##__VA_ARGS__ )
+#define DBGIO_MD5( ... )	DBG_MD5_IF	( IO, ##__VA_ARGS__ )
 #define DBGIO_PAUSE( ... )	DBG_PAUSE_IF	( IO, ##__VA_ARGS__ )
 #define DBGIO_MORE( ... )	DBG_MORE_IF	( IO, ##__VA_ARGS__ )
 #define DBGCIO( ... )		DBGC_IF		( IO, ##__VA_ARGS__ )
 #define DBGCIO_HDA( ... )	DBGC_HDA_IF	( IO, ##__VA_ARGS__ )
 #define DBGCIO_HD( ... )	DBGC_HD_IF	( IO, ##__VA_ARGS__ )
+#define DBGCIO_MD5A( ... )	DBGC_MD5A_IF	( IO, ##__VA_ARGS__ )
+#define DBGCIO_MD5( ... )	DBGC_MD5_IF	( IO, ##__VA_ARGS__ )
 #define DBGCIO_PAUSE( ... )	DBGC_PAUSE_IF	( IO, ##__VA_ARGS__ )
 #define DBGCIO_MORE( ... )	DBGC_MORE_IF	( IO, ##__VA_ARGS__ )