From 3f9278b48ff4bc0d2cf1604034b3bba548572f04 Mon Sep 17 00:00:00 2001
From: Ada Christine <adachristine18@gmail.com>
Date: Sun, 11 Feb 2024 23:48:04 +0000
Subject: kjarna initial impl

---
 kjarna/protocol.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 kjarna/protocol.c

(limited to 'kjarna/protocol.c')

diff --git a/kjarna/protocol.c b/kjarna/protocol.c
new file mode 100644
index 0000000..e4be9cd
--- /dev/null
+++ b/kjarna/protocol.c
@@ -0,0 +1,24 @@
+#include <efi/error.h>
+
+#include "kjarna_efi.h"
+
+void *efi_get_protocol(EFI_HANDLE handle, EFI_GUID *guid)
+{
+	void *protocol;
+
+	efi_errno = gBS->OpenProtocol(
+			handle,
+			guid,
+			&protocol,
+			efi_context->handle,
+			nullptr,
+			EFI_OPEN_PROTOCOL_GET_PROTOCOL);
+
+	if (EFI_ERROR(efi_errno))
+	{
+		return nullptr;
+	}
+
+	return protocol;
+}
+
-- 
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