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kernel: add arm architecture support
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Signed-off-by: EnderIce2 <enderice2@protonmail.com>
This commit is contained in:
EnderIce2
2025-01-10 18:55:34 +02:00
parent e6933acfb0
commit fbe9fbfbd1
44 changed files with 1019 additions and 29 deletions
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53
Kernel/library/std/new.cpp
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@ -42,8 +42,37 @@ void *operator new[](std::size_t count)
throw std::bad_alloc{};
}
// void *operator new(std::size_t count, std::align_val_t al)
// void *operator new[](std::size_t count, std::align_val_t al)
void *operator new(std::size_t count, std::align_val_t al)
{
if (count == 0)
++count;
std::size_t alignment = static_cast<std::size_t>(al);
void *ptr = kmalloc(count + alignment - 1 + sizeof(void *));
if (!ptr)
throw std::bad_alloc{};
void *aligned_ptr = reinterpret_cast<void *>(
(reinterpret_cast<std::size_t>(ptr) + sizeof(void *) + alignment - 1) & ~(alignment - 1));
reinterpret_cast<void **>(aligned_ptr)[-1] = ptr;
return aligned_ptr;
}
void *operator new[](std::size_t count, std::align_val_t al)
{
if (count == 0)
++count;
std::size_t alignment = static_cast<std::size_t>(al);
void *ptr = kmalloc(count + alignment - 1 + sizeof(void *));
if (!ptr)
throw std::bad_alloc{};
void *aligned_ptr = reinterpret_cast<void *>(
(reinterpret_cast<std::size_t>(ptr) + sizeof(void *) + alignment - 1) & ~(alignment - 1));
reinterpret_cast<void **>(aligned_ptr)[-1] = ptr;
return aligned_ptr;
}
// void *operator new(std::size_t count, const std::nothrow_t &tag)
// void *operator new[](std::size_t count, const std::nothrow_t &tag)
@ -62,8 +91,24 @@ void operator delete(void *ptr) noexcept { kfree(ptr); }
void operator delete[](void *ptr) noexcept { kfree(ptr); }
// void operator delete(void *ptr, std::align_val_t al) noexcept
// void operator delete[](void *ptr, std::align_val_t al) noexcept
void operator delete(void *ptr, std::align_val_t al) noexcept
{
if (!ptr)
return;
void *original_ptr = reinterpret_cast<void **>(ptr)[-1];
kfree(original_ptr);
}
void operator delete[](void *ptr, std::align_val_t al) noexcept
{
if (!ptr)
return;
void *original_ptr = reinterpret_cast<void **>(ptr)[-1];
kfree(original_ptr);
}
void operator delete(void *ptr, std::size_t) noexcept { kfree(ptr); }
void operator delete[](void *ptr, std::size_t sz) noexcept { kfree(ptr); }