forked from mirror/uv-k5-firmware
69 lines
1.5 KiB
C
69 lines
1.5 KiB
C
/* Copyright 2023 Dual Tachyon
|
|
* https://github.com/DualTachyon
|
|
*
|
|
* 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 overlay_text_start[];
|
|
extern uint8_t overlay_text_end[];
|
|
|
|
extern uint8_t overlay_bss_start[];
|
|
extern uint8_t overlay_bss_end[];
|
|
|
|
extern uint8_t overlay_data_start[];
|
|
extern uint8_t overlay_data_end[];
|
|
|
|
extern const uint8_t sram_overlay_bin[];
|
|
|
|
void OVERLAY_Install(void);
|
|
|
|
void OVERLAY_Install(void)
|
|
{
|
|
uint8_t *pStart;
|
|
uint8_t *pEnd;
|
|
const uint8_t *pIn;
|
|
uint8_t *pOut;
|
|
|
|
// Text
|
|
pStart = overlay_text_start;
|
|
pEnd = overlay_text_end;
|
|
|
|
pIn = sram_overlay_bin;
|
|
|
|
for (pOut = pStart; pOut < pEnd; ) {
|
|
*pOut++ = *pIn++;
|
|
}
|
|
|
|
// Data
|
|
pStart = overlay_data_start;
|
|
pEnd = overlay_data_end;
|
|
|
|
pIn = sram_overlay_bin;
|
|
pIn += overlay_data_start - overlay_text_start;
|
|
|
|
for (pOut = pStart; pOut < pEnd; ) {
|
|
*pOut++ = *pIn++;
|
|
}
|
|
|
|
// BSS
|
|
pStart = overlay_bss_start;
|
|
pEnd = overlay_bss_end;
|
|
|
|
for (pOut = pStart; pOut < pEnd; ) {
|
|
*pOut++ = 0;
|
|
}
|
|
}
|
|
|