uv-k5-firmware/init.c
manujedi ed06b4aed9
add .data init (#7)
Co-authored-by: manu <a@b.c>
2023-08-14 22:23:20 +01:00

51 lines
1.3 KiB
C

/* Copyright 2023 Dual Tachyon
* https://github.com/DualTachyon
* Copyright 2023 Manuel Jedinger
* https://github.com/manujedi
*
* 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.
*/
#include <stdint.h>
extern uint8_t __bss_start__[];
extern uint8_t __bss_end__[];
extern uint8_t _sidata[];
extern uint8_t _sdata[];
extern uint8_t _sidata_end__[];
extern uint8_t _edata[];
void BSS_Init(void)
{
uint8_t *pBss;
for (pBss = __bss_start__; pBss < __bss_end__; pBss++) {
*pBss = 0;
}
}
void DATA_Init(void)
{
volatile uint8_t *pDataRam;
volatile uint8_t *pDataFlash;
pDataRam = _sdata;
pDataFlash = _sidata;
while (pDataRam < _sidata_end__){
*pDataRam = *pDataFlash;
pDataRam++;
pDataFlash++;
}
}