91 lines
1.9 KiB
C
91 lines
1.9 KiB
C
/* Copyright 2018 Canaan Inc.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
/**
|
|
* @file entry.h
|
|
* @brief add from Canaan K210 SDK
|
|
* https://canaan-creative.com/developer
|
|
* @version 1.0
|
|
* @author AIIT XUOS Lab
|
|
* @date 2021-04-25
|
|
*/
|
|
|
|
#ifndef _BSP_ENTRY_H
|
|
#define _BSP_ENTRY_H
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
typedef int (*core_function)(void *ctx);
|
|
|
|
typedef struct _core_instance_t
|
|
{
|
|
core_function callback;
|
|
void *ctx;
|
|
} core_instance_t;
|
|
|
|
int register_core1(core_function func, void *ctx);
|
|
|
|
static inline void init_lma(void)
|
|
{
|
|
extern unsigned int _data_lma;
|
|
extern unsigned int _data;
|
|
extern unsigned int _edata;
|
|
unsigned int *src, *dst;
|
|
|
|
src = &_data_lma;
|
|
dst = &_data;
|
|
while (dst < &_edata)
|
|
*dst++ = *src++;
|
|
}
|
|
|
|
static inline void init_bss(void)
|
|
{
|
|
extern unsigned int _bss;
|
|
extern unsigned int _ebss;
|
|
unsigned int *dst;
|
|
|
|
dst = &_bss;
|
|
while (dst < &_ebss)
|
|
*dst++ = 0;
|
|
}
|
|
|
|
static inline void init_tls(void)
|
|
{
|
|
register void *task_pointer asm("tp");
|
|
extern char _tls_data;
|
|
|
|
extern __thread char _tdata_begin, _tdata_end, _tbss_end;
|
|
|
|
size_t tdata_size = &_tdata_end - &_tdata_begin;
|
|
|
|
memcpy(task_pointer, &_tls_data, tdata_size);
|
|
|
|
size_t tbss_size = &_tbss_end - &_tdata_end;
|
|
|
|
memset(task_pointer + tdata_size, 0, tbss_size);
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _BSP_ENTRY_H */
|
|
|