From 4d938cd31a35cd4322fe914edd568faa5391c9c2 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Mon, 6 Apr 2026 15:10:04 +0200
Subject: kernel/acpi: implement basic table discovery

---
 kapi/include/kapi/acpi.hpp | 29 ++++++++++++++++++++---------
 1 file changed, 20 insertions(+), 9 deletions(-)

(limited to 'kapi')

diff --git a/kapi/include/kapi/acpi.hpp b/kapi/include/kapi/acpi.hpp
index d5e3c87..11068d1 100644
--- a/kapi/include/kapi/acpi.hpp
+++ b/kapi/include/kapi/acpi.hpp
@@ -19,15 +19,26 @@ namespace kapi::acpi
 
   struct [[gnu::packed]] system_description_table_header
   {
-    std::array<char, 4> signature;
-    std::uint32_t length;
-    std::uint8_t revision;
-    std::uint8_t checksum;
-    std::array<char, 6> oem_id;
-    std::array<char, 8> oem_table_id;
-    std::uint32_t oem_revision;
-    std::uint32_t creator_id;
-    std::uint32_t create_revision;
+    [[nodiscard]] auto checksum() const noexcept -> std::uint8_t;
+    [[nodiscard]] auto creator_revision() const noexcept -> std::uint32_t;
+    [[nodiscard]] auto creator_id() const noexcept -> std::uint32_t;
+    [[nodiscard]] auto length() const noexcept -> kstd::units::bytes;
+    [[nodiscard]] auto oem_id() const noexcept -> std::string_view;
+    [[nodiscard]] auto oem_revision() const noexcept -> std::uint32_t;
+    [[nodiscard]] auto oem_table_id() const noexcept -> std::string_view;
+    [[nodiscard]] auto revision() const noexcept -> std::uint8_t;
+    [[nodiscard]] auto signature() const noexcept -> std::string_view;
+
+  private:
+    std::array<char, 4> m_signature;
+    std::uint32_t m_length;
+    std::uint8_t m_revision;
+    std::uint8_t m_checksum;
+    std::array<char, 6> m_oem_id;
+    std::array<char, 8> m_oem_table_id;
+    std::uint32_t m_oem_revision;
+    std::uint32_t m_creator_id;
+    std::uint32_t m_creator_revision;
   };
 
   //! @}
-- 
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