kjarna initial impl

1 files changed, 30 insertions, 0 deletions

diff --git a/kjarna/start.c b/kjarna/start.c
new file mode 100644
index 0000000..6a737b3
--- /dev/null
+++ b/kjarna/start.c
@@ -0,0 +1,30 @@
+#include <efi/types.h>
+#include <efi/error.h>
+#include <efi/media.h>
+#include <efi/tables.h>
+
+#include "kjarna_efi.h"
+
+struct efi_context const *efi_context;
+EFI_STATUS efi_errno = EFI_SUCCESS;
+
+EFI_STATUS _exit(EFI_STATUS status)
+{
+	return gBS->Exit(efi_context->handle, status, 0, nullptr);
+}
+
+EFI_STATUS _start(EFI_HANDLE handle, EFI_SYSTEM_TABLE *system_table)
+{
+	struct efi_context app_context = { handle, system_table };
+	efi_context = &app_context;
+
+	int runtime_result = runtime_start();
+
+	if (runtime_result < 0)
+	{
+		efi_errno = EFI_ABORTED;
+	}
+
+	return _exit(efi_errno);
+}
+