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/*
* Copyright (c) 2021, Ali Mohammad Pur <mpfard@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Types.h>
namespace AK {
struct ByteReader {
static void store(u8* address, u16 value)
{
union {
u16 _16;
u8 _8[2];
} const v { ._16 = value };
__builtin_memcpy(address, v._8, 2);
}
static void store(u8* address, u32 value)
{
union {
u32 _32;
u8 _8[4];
} const v { ._32 = value };
__builtin_memcpy(address, v._8, 4);
}
static void load(const u8* address, u16& value)
{
union {
u16 _16;
u8 _8[2];
} v { ._16 = 0 };
__builtin_memcpy(&v._8, address, 2);
value = v._16;
}
static void load(const u8* address, u32& value)
{
union {
u32 _32;
u8 _8[4];
} v { ._32 = 0 };
__builtin_memcpy(&v._8, address, 4);
value = v._32;
}
static u16 load16(const u8* address)
{
u16 value;
load(address, value);
return value;
}
static u32 load32(const u8* address)
{
u32 value;
load(address, value);
return value;
}
};
}
using AK::ByteReader;
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