From fb99d8d36fd717c1df389d8c5683b14a42a1371b Mon Sep 17 00:00:00 2001
From: Jozef Nagy <creoz@disroot.org>
Date: Wed, 21 May 2025 02:32:30 +0200
Subject: [PATCH] Basic driver loading

---
 boot/common/init.c          |  5 +++++
 boot/include/driver.h       | 39 +++++++++++++++++++++++++++++++++++++
 boot/platform/uefi/driver.c | 37 ++++++++++++++++++++++++++++++++++-
 3 files changed, 80 insertions(+), 1 deletion(-)
 create mode 100644 boot/include/driver.h

diff --git a/boot/common/init.c b/boot/common/init.c
index ac35140..00f337f 100644
--- a/boot/common/init.c
+++ b/boot/common/init.c
@@ -36,6 +36,11 @@ void axboot_init()
 		while (1);
 	}
 
+#ifdef AXBOOT_UEFI
+#include <driver.h>
+	load_drivers();
+#endif
+
 	//config_init();
 
 	// boot straight away
diff --git a/boot/include/driver.h b/boot/include/driver.h
new file mode 100644
index 0000000..6c0a69a
--- /dev/null
+++ b/boot/include/driver.h
@@ -0,0 +1,39 @@
+/*********************************************************************************/
+/* Module Name:  driver.h                                                        */
+/* Project:      AurixOS                                                         */
+/*                                                                               */
+/* Copyright (c) 2024-2025 Jozef Nagy                                            */
+/*                                                                               */
+/* This source is subject to the MIT License.                                    */
+/* See License.txt in the root of this repository.                               */
+/* All other rights reserved.                                                    */
+/*                                                                               */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR    */
+/* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,      */
+/* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE   */
+/* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER        */
+/* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, */
+/* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE */
+/* SOFTWARE.                                                                     */
+/*********************************************************************************/
+
+#ifndef _DRIVER_H
+#define _DRIVER_H
+
+#ifdef AXBOOT_UEFI
+
+#include <stddef.h>
+#include <efi.h>
+
+struct driver {
+	EFI_HANDLE handle;
+	char *binary;
+	size_t binsize;
+	EFI_MEMMAP_DEVICE_PATH devpath[2];
+};
+
+#endif
+
+void load_drivers();
+
+#endif /* _DRIVER_H */
\ No newline at end of file
diff --git a/boot/platform/uefi/driver.c b/boot/platform/uefi/driver.c
index 8c47927..6a9f7f5 100644
--- a/boot/platform/uefi/driver.c
+++ b/boot/platform/uefi/driver.c
@@ -17,8 +17,11 @@
 /* SOFTWARE.                                                                     */
 /*********************************************************************************/
 
-// #include <driver.h>
+#include <driver.h>
 #include <config/config.h>
+#include <mm/mman.h>
+#include <lib/string.h>
+#include <vfs/vfs.h>
 #include <print.h>
 
 #include <efi.h>
@@ -46,8 +49,40 @@ bool verify_secure_boot()
 
 void load_drivers()
 {
+	EFI_STATUS status;
 	if (!verify_secure_boot()) {
 		debug("load_drivers(): Secure boot is enabled! Won't load drivers...\n");
 		return;
 	}
+
+	// TODO: Create a vfs_list() function to get a list of files in a directory
+	// char *driver_path = "\\AxBoot\\drivers\\.efi";
+	// char *driver_binary;
+	// debug("load_drivers(): Loading '%s'...\n", driver_name);
+	//
+	// size_t driver_size = vfs_read(audio_path, &driver_binary);
+	//
+	// audio.devpath[0].Header.Length[0] = sizeof(EFI_MEMMAP_DEVICE_PATH);
+    // audio.devpath[0].Header.Length[1] = sizeof(EFI_MEMMAP_DEVICE_PATH) >> 8;
+    // audio.devpath[0].Header.Type = 1;
+    // audio.devpath[0].Header.SubType = 3;
+    // audio.devpath[0].MemoryType = EfiLoaderData;
+    // audio.devpath[0].StartingAddress = (EFI_UINTPTR)driver_binary;
+    // audio.devpath[0].EndingAddress = (EFI_UINTPTR)driver_binary + driver_size;
+    // audio.devpath[1].Header.Length[0] = sizeof(EFI_DEVICE_PATH_PROTOCOL);
+    // audio.devpath[1].Header.Length[1] = sizeof(EFI_DEVICE_PATH_PROTOCOL) >> 8;
+    // audio.devpath[1].Header.Type = 0x7F;
+    // audio.devpath[1].Header.SubType = 0xFF;
+	//
+	// status = gSystemTable->BootServices->LoadImage(EFI_FALSE, gImageHandle, (EFI_DEVICE_PATH_PROTOCOL *)driver_devpath, driver_binary, driver_size, &driver_handle);
+	// if (EFI_ERROR(status)) {
+		// debug("load_drivers(): Failed to load driver '%s': %s (%llx)\n", driver_name, efi_status_to_str(status), status);
+		// return;
+	// }
+	// 
+	// status = gSystemTable->BootServices->StartImage(driver_handle, NULL, NULL);
+	// if (EFI_ERROR(status)) {
+		// debug("load_drivers(): Failed to start driver '%s': %s (%llx)\n", driver_name, efi_status_to_str(status), status);
+		// return;
+	// }
 }
\ No newline at end of file