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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (c) 2014, Linaro Limited
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef IO_H
#define IO_H
#include <stdint.h>
#include <types_ext.h>
#include <utee_defines.h>
static inline void write8(uint8_t val, vaddr_t addr)
{
*(volatile uint8_t *)addr = val;
}
static inline void write16(uint16_t val, vaddr_t addr)
{
*(volatile uint16_t *)addr = val;
}
static inline void write32(uint32_t val, vaddr_t addr)
{
*(volatile uint32_t *)addr = val;
}
static inline uint8_t read8(vaddr_t addr)
{
return *(volatile uint8_t *)addr;
}
static inline uint16_t read16(vaddr_t addr)
{
return *(volatile uint16_t *)addr;
}
static inline uint32_t read32(vaddr_t addr)
{
return *(volatile uint32_t *)addr;
}
static inline void io_mask8(vaddr_t addr, uint8_t val, uint8_t mask)
{
write8((read8(addr) & ~mask) | (val & mask), addr);
}
static inline void io_mask16(vaddr_t addr, uint16_t val, uint16_t mask)
{
write16((read16(addr) & ~mask) | (val & mask), addr);
}
static inline void io_mask32(vaddr_t addr, uint32_t val, uint32_t mask)
{
write32((read32(addr) & ~mask) | (val & mask), addr);
}
static inline uint64_t get_be64(const void *p)
{
return TEE_U64_FROM_BIG_ENDIAN(*(const uint64_t *)p);
}
static inline void put_be64(void *p, uint64_t val)
{
*(uint64_t *)p = TEE_U64_TO_BIG_ENDIAN(val);
}
static inline uint32_t get_be32(const void *p)
{
return TEE_U32_FROM_BIG_ENDIAN(*(const uint32_t *)p);
}
static inline void put_be32(void *p, uint32_t val)
{
*(uint32_t *)p = TEE_U32_TO_BIG_ENDIAN(val);
}
static inline uint16_t get_be16(const void *p)
{
return TEE_U16_FROM_BIG_ENDIAN(*(const uint16_t *)p);
}
static inline void put_be16(void *p, uint16_t val)
{
*(uint16_t *)p = TEE_U16_TO_BIG_ENDIAN(val);
}
#endif /*IO_H*/
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