From f7c1084c3ef4ec4e33e03091d8610e47e4faa3ff Mon Sep 17 00:00:00 2001
From: Bananymous <oskari.alaranta@bananymous.com>
Date: Tue, 5 Aug 2025 02:41:17 +0300
Subject: [PATCH] Kernel: Expose boot command line in /proc/cmdline

---
 kernel/kernel/FS/ProcFS/FileSystem.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/kernel/kernel/FS/ProcFS/FileSystem.cpp b/kernel/kernel/FS/ProcFS/FileSystem.cpp
index 0a1d376c..08ce62d3 100644
--- a/kernel/kernel/FS/ProcFS/FileSystem.cpp
+++ b/kernel/kernel/FS/ProcFS/FileSystem.cpp
@@ -1,3 +1,4 @@
+#include <kernel/BootInfo.h>
 #include <kernel/FS/ProcFS/FileSystem.h>
 #include <kernel/FS/ProcFS/Inode.h>
 
@@ -33,6 +34,10 @@ namespace Kernel
 			*s_instance, 0444, 0, 0
 		));
 		MUST(static_cast<TmpDirectoryInode*>(s_instance->root_inode().ptr())->link_inode(*meminfo_inode, "meminfo"_sv));
+
+		auto cmdline_inode = MUST(TmpFileInode::create_new(*s_instance, 0444, 0, 0));
+		MUST(cmdline_inode->write(0, { reinterpret_cast<const uint8_t*>(g_boot_info.command_line.data()), g_boot_info.command_line.size() }));
+		MUST(static_cast<TmpDirectoryInode*>(s_instance->root_inode().ptr())->link_inode(*cmdline_inode, "cmdline"_sv));
 	}
 
 	ProcFileSystem& ProcFileSystem::get()