mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 18:52:45 +00:00
31f30e732a
Depending on the values it might be difficult to figure out whether a value is decimal or hexadecimal. So let's make this more obvious. Also this allows copying and pasting those numbers into GNOME calculator and probably also other apps which auto-detect the base.
68 lines
1.7 KiB
C++
68 lines
1.7 KiB
C++
/*
|
|
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
|
|
* Copyright (c) 2021, Leon Albrecht <leon2002.la@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <Kernel/VirtualAddress.h>
|
|
|
|
namespace Kernel {
|
|
|
|
class Range {
|
|
friend class RangeAllocator;
|
|
|
|
public:
|
|
Range() = delete;
|
|
Range(VirtualAddress base, size_t size)
|
|
: m_base(base)
|
|
, m_size(size)
|
|
{
|
|
}
|
|
|
|
VirtualAddress base() const { return m_base; }
|
|
size_t size() const { return m_size; }
|
|
bool is_valid() const { return !m_base.is_null(); }
|
|
|
|
bool contains(VirtualAddress vaddr) const { return vaddr >= base() && vaddr < end(); }
|
|
|
|
VirtualAddress end() const { return m_base.offset(m_size); }
|
|
|
|
bool operator==(const Range& other) const
|
|
{
|
|
return m_base == other.m_base && m_size == other.m_size;
|
|
}
|
|
|
|
bool contains(VirtualAddress base, size_t size) const
|
|
{
|
|
if (base.offset(size) < base)
|
|
return false;
|
|
return base >= m_base && base.offset(size) <= end();
|
|
}
|
|
|
|
bool contains(const Range& other) const
|
|
{
|
|
return contains(other.base(), other.size());
|
|
}
|
|
|
|
Vector<Range, 2> carve(const Range&) const;
|
|
Range intersect(const Range&) const;
|
|
|
|
static KResultOr<Range> expand_to_page_boundaries(FlatPtr address, size_t size);
|
|
|
|
private:
|
|
VirtualAddress m_base;
|
|
size_t m_size { 0 };
|
|
};
|
|
|
|
}
|
|
|
|
template<>
|
|
struct AK::Formatter<Kernel::Range> : Formatter<FormatString> {
|
|
void format(FormatBuilder& builder, Kernel::Range value)
|
|
{
|
|
return Formatter<FormatString>::format(builder, "{} - {} (size {:p})", value.base().as_ptr(), value.base().offset(value.size() - 1).as_ptr(), value.size());
|
|
}
|
|
};
|