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| author | Randall Spangler <rspangler@chromium.org> | 2012-08-09 15:17:24 -0700 |
|---|---|---|
| committer | Gerrit <chrome-bot@google.com> | 2012-08-09 17:40:38 -0700 |
| commit | 6cd9e1124b2432f7b6d8693cc4bd170514cfd689 (patch) | |
| tree | d418d284bd196d476426287c472dec8e5142ab43 /util | |
| parent | 371d06bbfdf56fad142539c9a72759e53d5bc26a (diff) | |
| download | chrome-ec-6cd9e1124b2432f7b6d8693cc4bd170514cfd689.tar.gz | |
Add ectool command to read snapshot of EC's console output
BUG=chrome-os-partner:12483
TEST=from root shell, 'ectool console', then on the ec console, type
'help list' a few times to generate lots of debug output, then repeat
'ectool console'. Then on EC console, 'syslock', and then 'ectool
console' should fail.
Change-Id: Ie1c74c7e35d6b8228615d20192fd90093977de64
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/29825
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
Diffstat (limited to 'util')
| -rw-r--r-- | util/ectool.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/util/ectool.c b/util/ectool.c index b0375c1e56..7478fa86c0 100644 --- a/util/ectool.c +++ b/util/ectool.c @@ -36,6 +36,8 @@ const char help_str[] = " Prints chip info\n" " cmdversions <cmd>\n" " Prints supported version mask for a command number\n" + " console\n" + " Prints the last output to the EC debug console\n" " echash [CMDS]\n" " Various EC hash commands\n" " eventclear <mask>\n" @@ -2072,6 +2074,34 @@ int cmd_rtc_set(int argc, char *argv[]) return 0; } +int cmd_console(int argc, char *argv[]) +{ + char out[EC_HOST_PARAM_SIZE]; + int rv; + + /* Snapshot the EC console */ + rv = ec_command(EC_CMD_CONSOLE_SNAPSHOT, 0, NULL, 0, NULL, 0); + if (rv < 0) + return rv; + + /* Loop and read from the snapshot until it's done */ + while (1) { + rv = ec_command(EC_CMD_CONSOLE_READ, 0, + NULL, 0, out, sizeof(out)); + if (rv < 0) + return rv; + + if (rv == 0) + break; /* Empty response means done */ + + /* Make sure output is null-terminated, then dump it */ + out[sizeof(out) - 1] = '\0'; + fputs(out, stdout); + } + printf("\n"); + return 0; +} + struct command { const char *name; @@ -2086,6 +2116,7 @@ const struct command commands[] = { {"chargeforceidle", cmd_charge_force_idle}, {"chipinfo", cmd_chipinfo}, {"cmdversions", cmd_cmdversions}, + {"console", cmd_console}, {"echash", cmd_ec_hash}, {"eventclear", cmd_host_event_clear}, {"eventclearb", cmd_host_event_clear_b}, |