blob: a0fe9e26e7e5a1f617877ac78a2865d3f030ec06 [file] [log] [blame]
/* Copyright 2016 IBM
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#define _GNU_SOURCE
#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <sys/types.h>
#include <syslog.h>
#include <time.h>
#include "common.h"
void mbox_log_console(int p, const char *fmt, va_list args)
{
struct timespec time;
FILE *s = (p < LOG_WARNING) ? stdout : stderr;
clock_gettime(CLOCK_REALTIME, &time);
fprintf(s, "[%s %ld.%.9ld] ", PREFIX, time.tv_sec, time.tv_nsec);
vfprintf(s, fmt, args);
}
__attribute__((format(printf, 2, 3)))
void mbox_log(int p, const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
mbox_vlog(p, fmt, args);
va_end(args);
}
uint16_t get_u16(uint8_t *ptr)
{
return *(uint16_t *)ptr;
}
void put_u16(uint8_t *ptr, uint16_t val)
{
memcpy(ptr, &val, sizeof(val));
}
uint32_t get_u32(uint8_t *ptr)
{
return *(uint32_t *)ptr;
}
void put_u32(uint8_t *ptr, uint32_t val)
{
memcpy(ptr, &val, sizeof(val));
}
static bool is_pnor_part(const char *str)
{
return strcasestr(str, "pnor") != NULL;
}
char *get_dev_mtd(void)
{
FILE *f;
char *ret = NULL, *pos = NULL;
char line[255];
f = fopen("/proc/mtd", "r");
if (!f)
return NULL;
while (!pos && fgets(line, sizeof(line), f) != NULL) {
/* Going to have issues if we didn't get the full line */
if (line[strlen(line) - 1] != '\n')
break;
if (is_pnor_part(line)) {
pos = strchr(line, ':');
if (!pos)
break;
}
}
fclose(f);
if (pos) {
*pos = '\0';
if (asprintf(&ret, "/dev/%s", line) == -1)
ret = NULL;
}
return ret;
}