Merge branch 'develop-BA-FS26' into 'develop'HEADdevelop

Merge of BA-FS26 branch into develop

See merge request teachos/kernel!49

1 files changed, 40 insertions, 0 deletions

diff --git a/kernel/kapi/acpi.cpp b/kernel/kapi/acpi.cpp
new file mode 100644
index 0000000..b6d5cdf
--- /dev/null
+++ b/kernel/kapi/acpi.cpp
@@ -0,0 +1,40 @@
+#include <kapi/acpi.hpp>
+
+#include <kernel/acpi/manager.hpp>
+
+#include <kapi/system.hpp>
+
+#include <acpi/acpi.hpp>
+
+#include <kstd/memory>
+
+#include <atomic>
+#include <optional>
+#include <string_view>
+
+namespace kapi::acpi
+{
+
+  namespace
+  {
+    auto constinit manager = std::optional<kernel::acpi::manager>{};
+  }  // namespace
+
+  auto init(::acpi::rsdp const & sdp) -> bool
+  {
+    auto static constinit initialized = std::atomic_flag{};
+    if (initialized.test_and_set())
+    {
+      system::panic("[OS:ACPI] The ACPI manager has already been initialized!");
+    }
+
+    manager.emplace(sdp);
+    return manager->load_tables();
+  }
+
+  auto get_table(std::string_view signature) -> kstd::observer_ptr<::acpi::table_header const>
+  {
+    return manager->get_table(signature);
+  }
+
+};  // namespace kapi::acpi