blob: 55b7b1ea86d9f60502fe598afd1b7abb96c0fcd8 [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.
*
*/
#ifndef COMMON_H
#define COMMON_H
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#ifndef PREFIX
#define PREFIX ""
#endif
enum {
MBOX_LOG_NONE = 0,
MBOX_LOG_VERBOSE = 1,
MBOX_LOG_DEBUG = 2
} verbosity;
#define MSG_OUT(f_, ...) do { if (verbosity >= MBOX_LOG_DEBUG) { \
mbox_log(LOG_INFO, f_, ##__VA_ARGS__); \
} } while (0)
#define MSG_ERR(f_, ...) do { if (verbosity >= MBOX_LOG_VERBOSE) { \
mbox_log(LOG_ERR, f_, ##__VA_ARGS__); \
} } while (0)
void (*mbox_vlog)(int p, const char *fmt, va_list args);
void mbox_log_console(int p, const char *fmt, va_list args);
__attribute__((format(printf, 2, 3)))
void mbox_log(int p, const char *fmt, ...);
uint16_t get_u16(uint8_t *ptr);
void put_u16(uint8_t *ptr, uint16_t val);
uint32_t get_u32(uint8_t *ptr);
void put_u32(uint8_t *ptr, uint32_t val);
static inline uint32_t align_up(uint32_t val, uint32_t size)
{
return (((val) + (size) - 1) & ~((size) - 1));
}
static inline uint32_t align_down(uint32_t val, uint32_t size)
{
return ((val) & ~(((size) - 1)));
}
static inline uint32_t min_u32(uint32_t a, uint32_t b)
{
if (a <= b) {
return a;
}
return b;
}
static inline int log_2(int val)
{
int ret = 0;
if (val <= 0) {
return -1;
}
while (val >>= 1) {
ret++;
}
return ret;
}
static inline bool is_power_of_2(unsigned val)
{
return __builtin_popcount(val) == 1;
}
char *get_dev_mtd(void);
#endif /* COMMON_H */