Adjust directory structure

2021-06-03 17:38:11 +08:00
parent 92301257f3
commit 89a2236b18
1993 changed files with 40 additions and 0 deletions
@@ -0,0 +1,90 @@
+/* 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 */
+