esp-idf/components/xtensa/eri.c

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434 B
C
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/*
* SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*/
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#include <stdint.h>
#include "eri.h"
uint32_t eri_read(int addr) {
uint32_t ret;
asm volatile (
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"RER %0,%1"
:"=r"(ret):"r"(addr)
);
return ret;
}
void eri_write(int addr, uint32_t data) {
asm volatile (
"WER %0,%1"
::"r"(data),"r"(addr)
);
}