Files
ladybird/Kernel/Arch/aarch64/dummy.cpp
2022-04-02 19:34:20 -07:00

96 lines
3.1 KiB
C++

/*
* Copyright (c) 2021, Nico Weber <thakis@chromium.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Types.h>
#include <Kernel/KString.h>
#include <Kernel/KSyms.h>
#include <Kernel/Sections.h>
// This is a temporary file to get a non-empty Kernel binary on aarch64.
// The prekernel currently never jumps to the kernel. This is dead code.
void dummy();
void dummy() { }
// kmalloc.h
size_t kmalloc_good_size(size_t);
size_t kmalloc_good_size(size_t) { return 0; }
void* kcalloc(unsigned long, unsigned long) { return nullptr; }
void kfree_sized(void*, size_t);
void kfree_sized(void*, size_t) { }
void* kmalloc(size_t);
void* kmalloc(size_t) { return nullptr; }
void* operator new(size_t size) { return kmalloc(size); }
void* operator new(size_t size, std::align_val_t) { return kmalloc(size); }
void* operator new(size_t, std::nothrow_t const&) noexcept { return nullptr; }
void* operator new(size_t, std::align_val_t, std::nothrow_t const&) noexcept { return nullptr; }
void* operator new[](size_t) { return (void*)0xdeadbeef; }
void* operator new[](size_t, std::nothrow_t const&) noexcept { return nullptr; }
void operator delete(void*) noexcept { }
void operator delete(void*, size_t) noexcept { }
void operator delete(void*, size_t, std::align_val_t) noexcept { }
void operator delete[](void*) noexcept { }
void operator delete[](void*, size_t) noexcept { }
namespace std {
const nothrow_t nothrow;
}
namespace Kernel {
void dump_backtrace(PrintToScreen) { }
// KString.cpp
ErrorOr<NonnullOwnPtr<KString>> KString::try_create_uninitialized(size_t, char*&) { return ENOMEM; }
ErrorOr<NonnullOwnPtr<KString>> KString::try_create(StringView) { return ENOMEM; }
void KString::operator delete(void*) { }
// SafeMem.h
bool safe_memset(void*, int, size_t, void*&);
bool safe_memset(void*, int, size_t, void*&) { return false; }
ssize_t safe_strnlen(char const*, unsigned long, void*&);
ssize_t safe_strnlen(char const*, unsigned long, void*&) { return 0; }
bool safe_memcpy(void*, void const*, unsigned long, void*&);
bool safe_memcpy(void*, void const*, unsigned long, void*&) { return false; }
Optional<bool> safe_atomic_compare_exchange_relaxed(u32 volatile*, u32&, u32);
Optional<bool> safe_atomic_compare_exchange_relaxed(u32 volatile*, u32&, u32) { return {}; }
Optional<u32> safe_atomic_load_relaxed(u32 volatile*);
Optional<u32> safe_atomic_load_relaxed(u32 volatile*) { return {}; }
Optional<u32> safe_atomic_fetch_add_relaxed(u32 volatile*, u32);
Optional<u32> safe_atomic_fetch_add_relaxed(u32 volatile*, u32) { return {}; }
Optional<u32> safe_atomic_exchange_relaxed(u32 volatile*, u32);
Optional<u32> safe_atomic_exchange_relaxed(u32 volatile*, u32) { return {}; }
bool safe_atomic_store_relaxed(u32 volatile*, u32);
bool safe_atomic_store_relaxed(u32 volatile*, u32) { return {}; }
}
extern "C" {
FlatPtr kernel_mapping_base;
void kernelputstr(char const*, size_t);
void kernelputstr(char const*, size_t) { }
void kernelcriticalputstr(char const*, size_t);
void kernelcriticalputstr(char const*, size_t) { }
void kernelearlyputstr(char const*, size_t);
void kernelearlyputstr(char const*, size_t) { }
}