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/* Copyright 2016 The Chromium OS Authors. All rights reserved.
* 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 <stdint.h>
#include <stdio.h>
#include "compile_time_macros.h"
#include "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).
*/
char pdata[4096];
size_t size = 0;
size_t read;
BUILD_ASSERT(sizeof(pdata) > 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;
}
while (1) {
read = fread(&pdata[size], 1, sizeof(pdata) - size, stdin);
if (read < 0) {
fprintf(stderr, "Cannot read panicinfo from stdin.\n");
return 1;
}
if (read == 0)
break;
size += read;
if (size == sizeof(pdata)) {
fprintf(stderr, "Too much panicinfo data in stdin.\n");
return 1;
}
}
return parse_panic_info(pdata, size) ? 1 : 0;
}
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