[coreboot-gerrit] Patch set updated for coreboot: a328447 libpayload: Add simple hexdump function
Ronald G. Minnich (rminnich@gmail.com)
gerrit at coreboot.org
Mon Dec 16 06:46:12 CET 2013
Ronald G. Minnich (rminnich at gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/4393
-gerrit
commit a328447d5b4bc1d8debf292531833a2e4c05c98f
Author: Ronald G. Minnich <rminnich at gmail.com>
Date: Mon Dec 16 06:46:00 2013 +0100
libpayload: Add simple hexdump function
- prints hex and ascii
- detects duplicate all zero lines
Change-Id: I084b3072bc05725b23c5c3ca0dbf1533f164a08c
Signed-off-by: Stefan Reinauer <reinauer at google.com>
Reviewed-on: https://gerrit.chromium.org/gerrit/63660
Reviewed-by: David Hendricks <dhendrix at chromium.org>
Commit-Queue: Stefan Reinauer <reinauer at chromium.org>
Signed-off-by: Ronald G. Minnich <rminnich at gmail.com>
Author: Ronald G. Minnich <rminnich at gmail.com>
---
payloads/libpayload/include/libpayload.h | 1 +
payloads/libpayload/libc/hexdump.c | 43 ++++++++++++++++++++++++++++++++
2 files changed, 44 insertions(+)
diff --git a/payloads/libpayload/include/libpayload.h b/payloads/libpayload/include/libpayload.h
index f23fb87..8e03c0b 100644
--- a/payloads/libpayload/include/libpayload.h
+++ b/payloads/libpayload/include/libpayload.h
@@ -293,6 +293,7 @@ long int labs(long int j);
long long int llabs(long long int j);
u8 bin2hex(u8 b);
u8 hex2bin(u8 h);
+void hexdump(void *memory, int length);
void fatal(const char *msg) __attribute__ ((noreturn));
/** @} */
diff --git a/payloads/libpayload/libc/hexdump.c b/payloads/libpayload/libc/hexdump.c
new file mode 100644
index 0000000..65b4175
--- /dev/null
+++ b/payloads/libpayload/libc/hexdump.c
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation, incorporated herein by reference.
+ */
+
+#include <libpayload.h>
+
+void hexdump(void *memory, int length)
+{
+ int i;
+ uint8_t *m;
+ int all_zero = 0;
+
+ m = (uint8_t *) memory;
+
+ for (i = 0; i < length; i += 16) {
+ int j;
+
+ all_zero++;
+ for (j = 0; j < 16; j++) {
+ if (m[i + j] != 0) {
+ all_zero = 0;
+ break;
+ }
+ }
+
+ if (all_zero < 2) {
+ printf("%08lx:", memory + i);
+ for (j = 0; j < 16; j++)
+ printf(" %02x", m[i + j]);
+ printf(" ");
+ for (j = 0; j < 16; j++)
+ printf("%c",
+ isprint(m[i + j]) ? m[i + j] : '.');
+ printf("\n");
+ } else if (all_zero == 2) {
+ printf("...\n");
+ }
+ }
+}
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