diff options
| author | Daisuke Nojiri <dnojiri@chromium.org> | 2019-02-06 16:19:42 -0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2019-02-15 01:55:24 -0800 |
| commit | 751fb79680b3477ad0f6c7530cdc673b015d0673 (patch) | |
| tree | e70a7ad326f2b58e7358a0316fc5178b33770a98 | |
| parent | 0aa79f950b0532da5952e9e70e6a1f5f62069684 (diff) | |
| download | chrome-ec-751fb79680b3477ad0f6c7530cdc673b015d0673.tar.gz | |
Util: Add hexdump API
This patch adds the hexdump API, which prints binary data in hex and
ASCII.
Sample output of hexdump(image_data.version, 30):
6e 61 6d 69 5f 76 32 2e 30 2e 37 37 34 2d 63 66 |nami_v2.0.774-cf|
34 62 64 33 34 38 30 00 00 00 00 00 00 00 |4bd3480....... |
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
BUG=none
BRANCH=none
TEST=Verify image_data.version is printed as expected on Nami
Change-Id: I8a10a9ac4d329657bf65b64117448cb9b3e75a52
Reviewed-on: https://chromium-review.googlesource.com/1457577
Commit-Ready: Daisuke Nojiri <dnojiri@chromium.org>
Tested-by: Daisuke Nojiri <dnojiri@chromium.org>
Reviewed-by: Jett Rink <jettrink@chromium.org>
| -rw-r--r-- | common/util.c | 26 | ||||
| -rw-r--r-- | include/util.h | 13 |
2 files changed, 39 insertions, 0 deletions
diff --git a/common/util.c b/common/util.c index 054e8e839c..e93eeebb16 100644 --- a/common/util.c +++ b/common/util.c @@ -5,6 +5,7 @@ /* Utility functions for Chrome EC */ +#include "console.h" #include "util.h" size_t strlen(const char *s) @@ -598,3 +599,28 @@ int parse_offset_size(int argc, char **argv, int shift, return EC_SUCCESS; } + +void hexdump(const uint8_t *data, int len) +{ + int i, j; + + if (!data || !len) + return; + + for (i = 0; i < len; i += 16) { + /* Left column (Hex) */ + for (j = i; j < i + 16; j++) { + if (j < len) + ccprintf(" %02x", data[j]); + else + ccprintf(" "); + } + /* Right column (ASCII) */ + ccprintf(" |"); + for (j = i; j < i + 16; j++) { + int c = j < len ? data[j] : ' '; + ccprintf("%c", isprint(c) ? c : '.'); + } + ccprintf("|\n"); + } +} diff --git a/include/util.h b/include/util.h index aa15ba4fa8..edef7d9b38 100644 --- a/include/util.h +++ b/include/util.h @@ -210,6 +210,19 @@ static inline int cond_went_true(cond_t *c) { return cond_went(c, 1); } int parse_offset_size(int argc, char **argv, int shift, int *offset, int *size); +/** + * Print binary in hex and ASCII + * + * Sample output of hexdump(image_data.version, 30): + * + * 6e 61 6d 69 5f 76 32 2e 30 2e 37 37 34 2d 63 66 |nami_v2.0.774-cf| + * 34 62 64 33 34 38 30 00 00 00 00 00 00 00 |4bd3480....... | + * + * @param data Data to be dumped + * @param len Size of data + */ +void hexdump(const uint8_t *data, int len); + #ifdef CONFIG_ASSEMBLY_MULA32 /* * Compute (a*b)+c[+d], where a, b, c[, d] are 32-bit integers, and the result |