[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: Olaf Hering <olh@suse.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index 7d02fa2..4735b41 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -191,6 +191,7 @@
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 @@
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 @@
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)