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Kernel: Implement safe_memcpy for the aarch64 build

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The implementation just calls the regular memcpy, and is not safe yet.
This can be done later.
This commit is contained in:
Timon Kruiper 2022-05-02 23:01:03 +02:00 • committed by Andreas Kling
parent feba7bc8a8
commit 9f76b16124
3 changed files with 62 additions and 57 deletions
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57
Kernel/Arch/aarch64/Dummy.cpp
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@ -141,63 +141,6 @@ void KString::operator delete(void*)
VERIFY_NOT_REACHED();
}
// SafeMem.h
bool safe_memset(void*, int, size_t, void*&);
bool safe_memset(void*, int, size_t, void*&)
{
VERIFY_NOT_REACHED();
return false;
}
ssize_t safe_strnlen(char const*, unsigned long, void*&);
ssize_t safe_strnlen(char const*, unsigned long, void*&)
{
VERIFY_NOT_REACHED();
return 0;
}
bool safe_memcpy(void*, void const*, unsigned long, void*&);
bool safe_memcpy(void*, void const*, unsigned long, void*&)
{
VERIFY_NOT_REACHED();
return false;
}
Optional<bool> safe_atomic_compare_exchange_relaxed(u32 volatile*, u32&, u32);
Optional<bool> safe_atomic_compare_exchange_relaxed(u32 volatile*, u32&, u32)
{
VERIFY_NOT_REACHED();
return {};
}
Optional<u32> safe_atomic_load_relaxed(u32 volatile*);
Optional<u32> safe_atomic_load_relaxed(u32 volatile*)
{
VERIFY_NOT_REACHED();
return {};
}
Optional<u32> safe_atomic_fetch_add_relaxed(u32 volatile*, u32);
Optional<u32> safe_atomic_fetch_add_relaxed(u32 volatile*, u32)
{
VERIFY_NOT_REACHED();
return {};
}
Optional<u32> safe_atomic_exchange_relaxed(u32 volatile*, u32);
Optional<u32> safe_atomic_exchange_relaxed(u32 volatile*, u32)
{
VERIFY_NOT_REACHED();
return {};
}
bool safe_atomic_store_relaxed(u32 volatile*, u32);
bool safe_atomic_store_relaxed(u32 volatile*, u32)
{
VERIFY_NOT_REACHED();
return {};
}
}
extern "C" {