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V1.0.5

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刘可亮
2024-06-04 19:00:30 +08:00
parent 990c72f5be
commit 0a13af6a1d
1668 changed files with 342810 additions and 37726 deletions
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131
application/baremetal/bootloader/lib/aicupg/log_buf.c Normal file
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/*
* Copyright (c) 2023, Artinchip Technology Co., Ltd
*
* SPDX-License-Identifier: Apache-2.0
*
* Wu Dehuang <dehuang.wu@artinchip.com>
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <aic_core.h>
#include <aic_common.h>
#include <aic_errno.h>
#include <log_buf.h>
#define AIC_LOG_MAGIC 0x4C434941
struct log_buffer {
int magic;
int istart;
int icurr;
int buf_size;
char buf[];
};
#ifdef AICUPG_LOG_BUFFER_SUPPORT
#define LOG_BUF_ADDR AICUPG_LOG_BUFFER_ADDR
#define LOG_BUF_SIZE AICUPG_LOG_BUFFER_SIZE
#else
#define LOG_BUF_ADDR 0
#define LOG_BUF_SIZE 0
#endif
int log_buf_init(void)
{
#ifdef AICUPG_LOG_BUFFER_SUPPORT
struct log_buffer *log;
void *buff;
int size;
buff = (void *)LOG_BUF_ADDR;
size = (int)LOG_BUF_SIZE;
if (!buff || (size < sizeof(*log)))
return -1;
log = buff;
if (log->magic == AIC_LOG_MAGIC)
return 0;
log->istart = 0;
log->icurr = 0;
log->buf_size = size - sizeof(*log);
log->magic = AIC_LOG_MAGIC;
#endif
return 0;
}
int log_buf_get_len(void)
{
#ifdef AICUPG_LOG_BUFFER_SUPPORT
struct log_buffer *log = (void *)LOG_BUF_ADDR;
if (!log)
return 0;
return (log->icurr + log->buf_size - log->istart) % log->buf_size;
#endif
return 0;
}
int log_buf_write(char *in, int len)
{
#ifdef AICUPG_LOG_BUFFER_SUPPORT
struct log_buffer *log = (void *)LOG_BUF_ADDR;
int dolen, freelen;
char *ps;
if (!log)
return 0;
if (log->magic != AIC_LOG_MAGIC)
return 0;
dolen = len;
freelen = log->buf_size - 1 - log_buf_get_len();
if (freelen == 0)
return 0;
if (dolen > freelen)
dolen = freelen;
len = dolen;
ps = in;
while (dolen) {
log->buf[log->icurr % log->buf_size] = *ps;
log->icurr = (log->icurr + 1) % log->buf_size;
dolen--;
ps++;
}
return len;
#endif
return 0;
}
int log_buf_read(char *out, int len)
{
#ifdef AICUPG_LOG_BUFFER_SUPPORT
struct log_buffer *log = (void *)LOG_BUF_ADDR;
int dolen, loglen;
char *pd;
if (!log)
return 0;
if (log->magic != AIC_LOG_MAGIC)
return 0;
dolen = len;
loglen = log_buf_get_len();
if (dolen > loglen)
dolen = loglen;
len = dolen;
pd = out;
while (dolen) {
*pd = log->buf[log->istart % log->buf_size];
log->istart = (log->istart + 1) % log->buf_size;
dolen--;
pd++;
}
return len;
#endif
return 0;
}