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Commit 7e5b5938 authored by Olaf Hering's avatar Olaf Hering Committed by Paul Mackerras
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[PATCH] powerpc: add a raw dump command to xmon 



Dump a stream of rawbytes with a new 'dr' command.
Produces less output and it is simpler to feed the output to scripts.
Also, dr has no dumpsize limits.

Signed-off-by: default avatarOlaf Hering <olh@suse.de>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent e3385222

arch/powerpc/xmon/xmon.c

+30 −0
Original line number Diff line number Diff line
@@ -191,6 +191,7 @@ Commands:\n\ 
  di	dump instructions\n\

  df	dump float values\n\

  dd	dump double values\n\

  dr	dump stream of raw bytes\n\

  e	print exception information\n\

  f	flush cache\n\

  la	lookup symbol+offset of specified address\n\
@@ -1938,6 +1939,28 @@ bsesc(void) 
	return c;

}



static void xmon_rawdump (unsigned long adrs, long ndump)

{

	long n, m, r, nr;

	unsigned char temp[16];



	for (n = ndump; n > 0;) {

		r = n < 16? n: 16;

		nr = mread(adrs, temp, r);

		adrs += nr;

		for (m = 0; m < r; ++m) {

			if (m < nr)

				printf("%.2x", temp[m]);

			else

				printf("%s", fault_chars[fault_type]);

		}

		n -= r;

		if (nr < r)

			break;

	}

	printf("\n");

}



#define isxdigit(c)	(('0' <= (c) && (c) <= '9') \

			 || ('a' <= (c) && (c) <= 'f') \

			 || ('A' <= (c) && (c) <= 'F'))
@@ -1960,6 +1983,13 @@ dump(void) 
			nidump = MAX_DUMP;

		adrs += ppc_inst_dump(adrs, nidump, 1);

		last_cmd = "di\n";

	} else if (c == 'r') {

		scanhex(&ndump);

		if (ndump == 0)

			ndump = 64;

		xmon_rawdump(adrs, ndump);

		adrs += ndump;

		last_cmd = "dr\n";

	} else {

		scanhex(&ndump);

		if (ndump == 0)