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/* Copyright 2016 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Standalone utility to parse EC panicinfo.
*/
#include "compile_time_macros.h"
#include <stdint.h>
#include <stdio.h>
#include <libec/ec_panicinfo.h>
int main(int argc, char *argv[])
{
/*
* panic_data size could change with time, as new architecture are
* added (or, less likely, removed).
*/
const size_t max_size = 4096;
BUILD_ASSERT(max_size > sizeof(struct panic_data) * 2);
/*
* Provide a minimal help message.
*/
if (argc > 1) {
printf("Usage: cat <PANIC_BLOB_PATH> | ec_parse_panicinfo\n");
printf("Print the plain text panic info from a raw EC panic "
"data blob.\n\n");
printf("Example:\n");
printf("ec_parse_panicinfo "
"</sys/kernel/debug/cros_ec/panicinfo\n");
return 1;
}
auto data = ec::GetPanicInput(4096);
if (!data.has_value()) {
fprintf(stderr, "%s", data.error().c_str());
return 1;
}
auto result = ec::ParsePanicInfo(data.value());
if (!result.has_value()) {
fprintf(stderr, "%s", result.error().c_str());
return 1;
}
printf("%s", result.value().c_str());
return 0;
}
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