3 files changed, 176 insertions, 0 deletions
diff --git a/kernel/kapi/acpi/multiple_apic_description_table.cpp b/kernel/kapi/acpi/multiple_apic_description_table.cpp
new file mode 100644
index 0000000..c0360a3
--- /dev/null
+++ b/kernel/kapi/acpi/multiple_apic_description_table.cpp
@@ -0,0 +1,70 @@
+#include "kapi/acpi.hpp"
+#include "kapi/memory.hpp"
+
+#include <cstddef>
+#include <cstdint>
+
+namespace kapi::acpi
+{
+
+  auto multiple_apic_description_table::local_interrupt_controller_address() const noexcept -> memory::physical_address
+  {
+    return memory::physical_address{static_cast<std::uintptr_t>(m_local_interrupt_controller_address)};
+  }
+
+  auto multiple_apic_description_table::flags() const noexcept -> std::uint32_t
+  {
+    return m_flags;
+  }
+
+  auto multiple_apic_description_table_entry::type() const noexcept -> types
+  {
+    return static_cast<types>(m_type);
+  }
+
+  auto multiple_apic_description_table_entry::length() const noexcept -> std::size_t
+  {
+    return m_length;
+  }
+
+  auto processor_local_apic::apic_id() const noexcept -> std::uint8_t
+  {
+    return m_apic_id;
+  }
+
+  auto processor_local_apic::active_flags() const noexcept -> flags
+  {
+    return static_cast<flags>(m_flags);
+  }
+
+  auto processor_local_apic::processor_id() const noexcept -> std::uint32_t
+  {
+    return m_processor_id;
+  }
+
+  auto multiple_apic_description_table::begin() const noexcept -> iterator
+  {
+    auto base = reinterpret_cast<std::byte const *>(this);
+    base += sizeof(multiple_apic_description_table);
+    auto limit = reinterpret_cast<std::byte const *>(this);
+    limit += length().value;
+    return iterator{reinterpret_cast<multiple_apic_description_table_entry const *>(base),
+                    reinterpret_cast<multiple_apic_description_table_entry const *>(limit)};
+  }
+
+  auto multiple_apic_description_table::cbegin() const noexcept -> iterator
+  {
+    return begin();
+  }
+
+  auto multiple_apic_description_table::end() const noexcept -> iterator
+  {
+    return {};
+  }
+
+  auto multiple_apic_description_table::cend() const noexcept -> iterator
+  {
+    return end();
+  }
+
+}  // namespace kapi::acpi
diff --git a/kernel/kapi/acpi/pointers.cpp b/kernel/kapi/acpi/pointers.cpp
new file mode 100644
index 0000000..63831e9
--- /dev/null
+++ b/kernel/kapi/acpi/pointers.cpp
@@ -0,0 +1,55 @@
+#include "kapi/acpi.hpp"
+#include "kapi/memory.hpp"
+
+#include <kstd/units>
+
+#include <bit>
+#include <cstddef>
+#include <cstdint>
+#include <string_view>
+
+namespace kapi::acpi
+{
+
+  auto root_system_description_pointer::oem_id() const noexcept -> std::string_view
+  {
+    return {m_oem_id.data(), m_oem_id.size()};
+  }
+
+  auto root_system_description_pointer::revision() const noexcept -> std::uint8_t
+  {
+    return m_revision;
+  }
+
+  auto root_system_description_pointer::signature() const noexcept -> std::string_view
+  {
+    return {m_signature.data(), m_signature.size()};
+  }
+
+  auto root_system_description_pointer::table_address() const noexcept -> memory::physical_address
+  {
+    auto raw = std::bit_cast<std::uint32_t>(m_rsdt_address);
+    return memory::physical_address{static_cast<std::uintptr_t>(raw)};
+  }
+
+  auto root_system_description_pointer::validate() const noexcept -> bool
+  {
+    return validate_checksum({reinterpret_cast<std::byte const *>(this), sizeof(root_system_description_pointer)});
+  }
+
+  auto extended_system_description_pointer::length() const noexcept -> kstd::units::bytes
+  {
+    return kstd::units::bytes{m_length};
+  }
+
+  auto extended_system_description_pointer::table_address() const noexcept -> memory::physical_address
+  {
+    return memory::physical_address{std::bit_cast<std::uintptr_t>(m_xsdt_address)};
+  }
+
+  auto extended_system_description_pointer::validate() const noexcept -> bool
+  {
+    return validate_checksum({reinterpret_cast<std::byte const *>(this), m_length});
+  }
+
+}  // namespace kapi::acpi
diff --git a/kernel/kapi/acpi/system_description_table_header.cpp b/kernel/kapi/acpi/system_description_table_header.cpp
new file mode 100644
index 0000000..f688b4d
--- /dev/null
+++ b/kernel/kapi/acpi/system_description_table_header.cpp
@@ -0,0 +1,51 @@
+#include "kapi/acpi.hpp"
+
+#include <kstd/units>
+
+#include <cstdint>
+#include <string_view>
+
+namespace kapi::acpi
+{
+
+  [[nodiscard]] auto system_description_table_header::creator_revision() const noexcept -> std::uint32_t
+  {
+    return m_creator_revision;
+  }
+
+  [[nodiscard]] auto system_description_table_header::creator_id() const noexcept -> std::uint32_t
+  {
+    return m_creator_id;
+  }
+
+  [[nodiscard]] auto system_description_table_header::length() const noexcept -> kstd::units::bytes
+  {
+    return kstd::units::bytes{m_length};
+  }
+
+  [[nodiscard]] auto system_description_table_header::oem_id() const noexcept -> std::string_view
+  {
+    return {m_oem_id.data(), m_oem_id.size()};
+  }
+
+  [[nodiscard]] auto system_description_table_header::oem_revision() const noexcept -> std::uint32_t
+  {
+    return m_oem_revision;
+  }
+
+  [[nodiscard]] auto system_description_table_header::oem_table_id() const noexcept -> std::string_view
+  {
+    return {m_oem_table_id.data(), m_oem_table_id.size()};
+  }
+
+  [[nodiscard]] auto system_description_table_header::revision() const noexcept -> std::uint8_t
+  {
+    return m_revision;
+  }
+
+  [[nodiscard]] auto system_description_table_header::signature() const noexcept -> std::string_view
+  {
+    return {m_signature.data(), m_signature.size()};
+  }
+
+}  // namespace kapi::acpi