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/*
* Copyright (c) International Business Machines Corp., 2006
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Author: Oliver Lohmann
* Frank Haverkamp
*
* Process a PFI (partial flash image) and write the data to the
* specified UBI volumes. This tool is intended to be used for system
* update using PFI files.
*/
#include <unistd.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include <argp.h>
#include <unistd.h>
#include <errno.h>
#include <pfiflash.h>
#include "error.h"
#include "config.h"
const char *argp_program_version = PACKAGE_VERSION;
const char *argp_program_bug_address = PACKAGE_BUGREPORT;
static char doc[] = "\nVersion: " PACKAGE_VERSION "\n\tBuilt on "
BUILD_CPU" "BUILD_OS" at "__DATE__" "__TIME__"\n"
"\n"
"pfiflash - a tool for updating a controller with PFI files.\n";
static const char copyright [] __attribute__((unused)) =
"FIXME: insert license type."; /* FIXME */
static struct argp_option options[] = {
/* Output options */
{ name: NULL, key: 0, arg: NULL, flags: 0,
doc: "Standard options:",
group: 1 },
{ name: "copyright", key: 'c', arg: NULL, flags: 0,
doc: "Print copyright information.",
group: 1 },
{ name: "verbose", key: 'v', arg: NULL, flags: 0,
doc: "Be verbose during program execution.",
group: 1 },
{ name: "logfile", key: 'l', arg: "<file>", flags: 0,
doc: "Write a logfile to <file>.",
group: 1 },
/* Output options */
{ name: NULL, key: 0, arg: NULL, flags: 0,
doc: "Process options:",
group: 2 },
{ name: "complete", key: 'C', arg: NULL, flags: 0,
doc: "Execute a complete system update. Updates both sides.",
group: 2 },
{ name: "side", key: 's', arg: "<seqnum>", flags: 0,
doc: "Select the side which shall be updated.",
group: 2 },
{ name: "pdd-update", key: 'p', arg: "<type>", flags: 0,
doc: "Specify the pdd-update algorithm. <type> is either "
"'keep', 'merge' or 'overwrite'.",
group: 2 },
{ name: NULL, key: 0, arg: NULL, flags: 0, doc: NULL, group: 0 },
};
typedef struct myargs {
int verbose;
const char *logfile;
pdd_handling_t pdd_handling;
int seqnum;
int complete;
FILE* fp_in;
/* special stuff needed to get additional arguments */
char *arg1;
char **options; /* [STRING...] */
} myargs;
static pdd_handling_t
get_pdd_handling(const char* str)
{
if (strcmp(str, "keep") == 0) {
return PDD_KEEP;
}
if (strcmp(str, "merge") == 0) {
return PDD_MERGE;
}
if (strcmp(str, "overwrite") == 0) {
return PDD_OVERWRITE;
}
return -1;
}
static int
get_update_seqnum(const char* str)
{
uint32_t i = strtoul(str, NULL, 0);
if ((i != 0) && (i != 1)) {
return -1;
}
return i;
}
static error_t
parse_opt(int key, char *arg, struct argp_state *state)
{
int err = 0;
myargs *args = state->input;
switch (key) {
/* standard options */
case 'c':
err_msg("%s\n", copyright);
exit(0);
break;
case 'v':
args->verbose = 1;
break;
case 'l':
args->logfile = arg;
break;
/* process options */
case 'C':
args->complete = 1;
break;
case 'p':
args->pdd_handling = get_pdd_handling(arg);
if ((int)args->pdd_handling < 0) {
err_quit("Unknown PDD handling: %s.\n"
"Please use either 'keep', 'merge' or"
"'overwrite'.\n'");
}
break;
case 's':
args->seqnum = get_update_seqnum(arg);
if (args->seqnum < 0) {
err_quit("Unsupported side: %s.\n"
"Supported sides are '0' and '1'\n", arg);
}
break;
case ARGP_KEY_ARG: /* input file */
args->fp_in = fopen(arg, "r");
if ((args->fp_in) == NULL) {
err_sys("Cannot open PFI file %s for input", arg);
}
args->arg1 = arg;
args->options = &state->argv[state->next];
state->next = state->argc;
break;
case ARGP_KEY_END:
if (err) {
err_msg("\n");
argp_usage(state);
exit(1);
}
break;
default:
return(ARGP_ERR_UNKNOWN);
}
return 0;
}
static struct argp argp = {
options: options,
parser: parse_opt,
args_doc: "[pfifile]",
doc: doc,
children: NULL,
help_filter: NULL,
argp_domain: NULL,
};
int main (int argc, char** argv)
{
int rc = 0;
char err_buf[PFIFLASH_MAX_ERR_BUF_SIZE];
memset(err_buf, '\0', PFIFLASH_MAX_ERR_BUF_SIZE);
myargs args = {
.verbose = 0,
.seqnum = -1,
.complete = 0,
.logfile = "/tmp/pfiflash.log",
.pdd_handling = PDD_KEEP,
.fp_in = stdin,
};
argp_parse(&argp, argc, argv, ARGP_IN_ORDER, 0, &args);
error_initlog(args.logfile);
if (!args.fp_in) {
rc = -1;
snprintf(err_buf, PFIFLASH_MAX_ERR_BUF_SIZE,
"No PFI input file specified!\n");
goto err;
}
rc = pfiflash(args.fp_in, args.complete, args.seqnum,
args.pdd_handling, err_buf, PFIFLASH_MAX_ERR_BUF_SIZE);
if (rc != 0) {
goto err_fp;
}
err_fp:
if (args.fp_in != stdin)
fclose(args.fp_in);
err:
if (rc != 0)
err_msg("Error: %s\nrc: %d\n", err_buf, rc);
return rc;
}
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