84 lines
1.4 KiB
C
84 lines
1.4 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2021 Synopsys.
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: Apache-2.0
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef ZEPHYR_INCLUDE_ARCH_ARC_SYS_IO_COMMON_H_
|
||
|
|
#define ZEPHYR_INCLUDE_ARCH_ARC_SYS_IO_COMMON_H_
|
||
|
|
|
||
|
|
#ifndef _ASMLANGUAGE
|
||
|
|
|
||
|
|
#include <toolchain.h>
|
||
|
|
#include <sys/sys_io.h>
|
||
|
|
#include <arch/arc/v2/aux_regs.h>
|
||
|
|
|
||
|
|
#include <zephyr/types.h>
|
||
|
|
#include <stddef.h>
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
static ALWAYS_INLINE uint8_t sys_read8(mem_addr_t addr)
|
||
|
|
{
|
||
|
|
uint8_t value;
|
||
|
|
|
||
|
|
compiler_barrier();
|
||
|
|
value = *(volatile uint8_t *)addr;
|
||
|
|
compiler_barrier();
|
||
|
|
|
||
|
|
return value;
|
||
|
|
}
|
||
|
|
|
||
|
|
static ALWAYS_INLINE void sys_write8(uint8_t data, mem_addr_t addr)
|
||
|
|
{
|
||
|
|
compiler_barrier();
|
||
|
|
*(volatile uint8_t *)addr = data;
|
||
|
|
compiler_barrier();
|
||
|
|
}
|
||
|
|
|
||
|
|
static ALWAYS_INLINE uint16_t sys_read16(mem_addr_t addr)
|
||
|
|
{
|
||
|
|
uint16_t value;
|
||
|
|
|
||
|
|
compiler_barrier();
|
||
|
|
value = *(volatile uint16_t *)addr;
|
||
|
|
compiler_barrier();
|
||
|
|
|
||
|
|
return value;
|
||
|
|
}
|
||
|
|
|
||
|
|
static ALWAYS_INLINE void sys_write16(uint16_t data, mem_addr_t addr)
|
||
|
|
{
|
||
|
|
compiler_barrier();
|
||
|
|
*(volatile uint16_t *)addr = data;
|
||
|
|
compiler_barrier();
|
||
|
|
}
|
||
|
|
|
||
|
|
static ALWAYS_INLINE uint32_t sys_read32(mem_addr_t addr)
|
||
|
|
{
|
||
|
|
uint32_t value;
|
||
|
|
|
||
|
|
compiler_barrier();
|
||
|
|
value = *(volatile uint32_t *)addr;
|
||
|
|
compiler_barrier();
|
||
|
|
|
||
|
|
return value;
|
||
|
|
}
|
||
|
|
|
||
|
|
static ALWAYS_INLINE void sys_write32(uint32_t data, mem_addr_t addr)
|
||
|
|
{
|
||
|
|
compiler_barrier();
|
||
|
|
*(volatile uint32_t *)addr = data;
|
||
|
|
compiler_barrier();
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* _ASMLANGUAGE */
|
||
|
|
|
||
|
|
#endif /* ZEPHYR_INCLUDE_ARCH_ARC_SYS_IO_COMMON_H_ */
|