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serenity/Kernel/Arch/aarch64/SafeMem.cpp
Timon Kruiper 9f76b16124 Kernel: Implement safe_memcpy for the aarch64 build
The implementation just calls the regular memcpy, and is not safe yet.
This can be done later.
2022-05-03 21:53:36 +02:00

61 lines
1.1 KiB
C++

/*
* Copyright (c) 2022, Timon Kruiper <timonkruiper@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <Kernel/Arch/SafeMem.h>
#include <Kernel/StdLib.h>
namespace Kernel {
bool safe_memset(void*, int, size_t, void*&)
{
VERIFY_NOT_REACHED();
return false;
}
ssize_t safe_strnlen(char const*, unsigned long, void*&)
{
VERIFY_NOT_REACHED();
return 0;
}
bool safe_memcpy(void* dest_ptr, void const* src_ptr, unsigned long n, void*&)
{
// FIXME: Actually implement a safe memcpy.
memcpy(dest_ptr, src_ptr, n);
return true;
}
Optional<bool> safe_atomic_compare_exchange_relaxed(u32 volatile*, u32&, u32)
{
VERIFY_NOT_REACHED();
return {};
}
Optional<u32> safe_atomic_load_relaxed(u32 volatile*)
{
VERIFY_NOT_REACHED();
return {};
}
Optional<u32> safe_atomic_fetch_add_relaxed(u32 volatile*, u32)
{
VERIFY_NOT_REACHED();
return {};
}
Optional<u32> safe_atomic_exchange_relaxed(u32 volatile*, u32)
{
VERIFY_NOT_REACHED();
return {};
}
bool safe_atomic_store_relaxed(u32 volatile*, u32)
{
VERIFY_NOT_REACHED();
return {};
}
}