mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-22 15:40:19 +00:00
1682f0b760
SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
50 lines
1.9 KiB
C++
50 lines
1.9 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/Format.h>
|
|
#include <AK/Types.h>
|
|
|
|
class PhysicalAddress {
|
|
public:
|
|
PhysicalAddress() = default;
|
|
explicit PhysicalAddress(FlatPtr address)
|
|
: m_address(address)
|
|
{
|
|
}
|
|
|
|
[[nodiscard]] PhysicalAddress offset(FlatPtr o) const { return PhysicalAddress(m_address + o); }
|
|
[[nodiscard]] FlatPtr get() const { return m_address; }
|
|
void set(FlatPtr address) { m_address = address; }
|
|
void mask(FlatPtr m) { m_address &= m; }
|
|
|
|
[[nodiscard]] bool is_null() const { return m_address == 0; }
|
|
|
|
[[nodiscard]] u8* as_ptr() { return reinterpret_cast<u8*>(m_address); }
|
|
[[nodiscard]] const u8* as_ptr() const { return reinterpret_cast<const u8*>(m_address); }
|
|
|
|
[[nodiscard]] PhysicalAddress page_base() const { return PhysicalAddress(m_address & 0xfffff000); }
|
|
[[nodiscard]] FlatPtr offset_in_page() const { return PhysicalAddress(m_address & 0xfff).get(); }
|
|
|
|
bool operator==(const PhysicalAddress& other) const { return m_address == other.m_address; }
|
|
bool operator!=(const PhysicalAddress& other) const { return m_address != other.m_address; }
|
|
bool operator>(const PhysicalAddress& other) const { return m_address > other.m_address; }
|
|
bool operator>=(const PhysicalAddress& other) const { return m_address >= other.m_address; }
|
|
bool operator<(const PhysicalAddress& other) const { return m_address < other.m_address; }
|
|
bool operator<=(const PhysicalAddress& other) const { return m_address <= other.m_address; }
|
|
|
|
private:
|
|
FlatPtr m_address { 0 };
|
|
};
|
|
|
|
template<>
|
|
struct AK::Formatter<PhysicalAddress> : AK::Formatter<FormatString> {
|
|
void format(FormatBuilder& builder, PhysicalAddress value)
|
|
{
|
|
return AK::Formatter<FormatString>::format(builder, "P{}", value.as_ptr());
|
|
}
|
|
};
|