55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
|
/*
|
||
|
|
* udebug - debug ring buffer library
|
||
|
|
*
|
||
|
|
* Copyright (C) 2023 Felix Fietkau <nbd@nbd.name>
|
||
|
|
*
|
||
|
|
* Permission to use, copy, modify, and/or distribute this software for any
|
||
|
|
* purpose with or without fee is hereby granted, provided that the above
|
||
|
|
* copyright notice and this permission notice appear in all copies.
|
||
|
|
*
|
||
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
||
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
||
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
||
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
||
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
||
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||
|
|
*/
|
||
|
|
#ifndef __UDEBUG_UTIL_H
|
||
|
|
#define __UDEBUG_UTIL_H
|
||
|
|
|
||
|
|
#include "blobmsg.h"
|
||
|
|
#include "udebug.h"
|
||
|
|
#include "udebug-proto.h"
|
||
|
|
|
||
|
|
#define UDEBUG_TIMEOUT 1000
|
||
|
|
|
||
|
|
__hidden int udebug_buf_open(struct udebug_buf *buf, int fd, uint32_t ring_size, uint32_t data_size);
|
||
|
|
__hidden struct udebug_client_msg *__udebug_poll(struct udebug *ctx, int *fd, bool wait);
|
||
|
|
__hidden void udebug_send_msg(struct udebug *ctx, struct udebug_client_msg *msg,
|
||
|
|
struct blob_attr *meta, int fd);
|
||
|
|
|
||
|
|
static inline int32_t u32_sub(uint32_t a, uint32_t b)
|
||
|
|
{
|
||
|
|
return a - b;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline int32_t u32_max(uint32_t a, uint32_t b)
|
||
|
|
{
|
||
|
|
return u32_sub(a, b) > 0 ? a : b;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void u32_set(void *ptr, uint32_t val)
|
||
|
|
{
|
||
|
|
volatile uint32_t *v = ptr;
|
||
|
|
*v = val;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline uint32_t u32_get(void *ptr)
|
||
|
|
{
|
||
|
|
volatile uint32_t *v = ptr;
|
||
|
|
return *v;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|