AK: Add offset_in_page() method in PhysicalAddress class

This method is useful for later usage.
Author: https://github.com/supercomputer7 Commit: https://github.com/SerenityOS/serenity/commit/43d570a1e3f Pull-request: https://github.com/SerenityOS/serenity/pull/1274 Reviewed-by: https://github.com/awesomekling Reviewed-by: https://github.com/shannonbooth
2025-04-22 04:25:13 +00:00 · 2020-02-24 00:50:00 +02:00 · 2020-02-24 00:50:00 +02:00 · 43d570a1e3 · 2024-07-19 09:05:32 +09:00
commit 43d570a1e3
parent fe664965c2
1 changed files with 1 additions and 0 deletions
--- a/Libraries/LibBareMetal/Memory/PhysicalAddress.h
+++ b/Libraries/LibBareMetal/Memory/PhysicalAddress.h
@ -48,6 +48,7 @@ public:
    const u8* as_ptr() const { return reinterpret_cast<const u8*>(m_address); }

    PhysicalAddress page_base() const { return PhysicalAddress(m_address & 0xfffff000); }
+    PhysicalAddress offset_in_page() const { return PhysicalAddress(m_address & 0xfff); }

    bool operator==(const PhysicalAddress& other) const { return m_address == other.m_address; }
    bool operator!=(const PhysicalAddress& other) const { return m_address != other.m_address; }