kernel/include/kernel/BootInfo.h

@@ -55,6 +55,5 @@ namespace Kernel
 	BAN::StringView get_early_boot_command_line(uint32_t magic, uint32_t info);
 
 	extern BootInfo g_boot_info;
-	extern bool g_disable_disk_write;
 
 }

kernel/kernel/BootInfo.cpp

@@ -6,7 +6,6 @@ namespace Kernel
 {
 
 	BootInfo g_boot_info;
-	bool g_disable_disk_write { false };
 
 	static MemoryMapEntry::Type bios_number_to_memory_type(uint32_t number)
 	{

kernel/kernel/Storage/DiskCache.cpp

@@ -1,4 +1,3 @@
-#include <kernel/BootInfo.h>
 #include <kernel/Lock/LockGuard.h>
 #include <kernel/Memory/Heap.h>
 #include <kernel/Memory/PageTable.h>
@@ -106,9 +105,6 @@ namespace Kernel
 
 	BAN::ErrorOr<void> DiskCache::sync()
 	{
-		if (g_disable_disk_write)
-			return {};
-
 		for (auto& cache : m_cache)
 		{
 			if (cache.dirty_mask == 0)

kernel/kernel/Storage/StorageDevice.cpp

@@ -2,7 +2,6 @@
 #include <BAN/ScopeGuard.h>
 #include <BAN/StringView.h>
 #include <BAN/UTF8.h>
-#include <kernel/BootInfo.h>
 #include <kernel/FS/DevFS/FileSystem.h>
 #include <kernel/FS/VirtualFileSystem.h>
 #include <kernel/Lock/LockGuard.h>
@@ -266,13 +265,6 @@ namespace Kernel
 
 		LockGuard _(m_mutex);
 
-		if (g_disable_disk_write)
-		{
-			if (!m_disk_cache.has_value())
-				return BAN::Error::from_errno(EIO);
-			return m_disk_cache->write_to_cache(lba, buffer, true);
-		}
-
 		if (!m_disk_cache.has_value())
 			return write_sectors_impl(lba, sector_count, buffer);
 

kernel/kernel/kernel.cpp

@@ -85,8 +85,6 @@ static void parse_command_line()
 			cmdline.disable_usb = true;
 		else if (argument == "noacpi")
 			cmdline.disable_acpi = true;
-		else if (argument == "readonly")
-			Kernel::g_disable_disk_write = true;
 		else if (argument == "nodebug")
 			g_disable_debug = true;
 		else if (argument.starts_with("ps2="))

ports/doom/patches/0003-Remove-unnecessary-copy-from-framebuffer.patch

@@ -1,47 +0,0 @@
-From 70c235938f0b64c4f08a478d3107e5254ad904c6 Mon Sep 17 00:00:00 2001
-From: Bananymous <bananymousosq@gmail.com>
-Date: Wed, 27 Nov 2024 13:28:42 +0200
-Subject: [PATCH] Remove unnecessary copy from framebuffer
-
----
- doomgeneric/doomgeneric.c            | 2 --
- doomgeneric/doomgeneric_banan_os.cpp | 6 +++---
- 2 files changed, 3 insertions(+), 5 deletions(-)
-
-diff --git a/doomgeneric/doomgeneric.c b/doomgeneric/doomgeneric.c
-index 782a7e7..f4eb63e 100644
---- a/doomgeneric/doomgeneric.c
-+++ b/doomgeneric/doomgeneric.c
-@@ -18,8 +18,6 @@ void doomgeneric_Create(int argc, char **argv)
- 
- 	M_FindResponseFile();
- 
--	DG_ScreenBuffer = malloc(DOOMGENERIC_RESX * DOOMGENERIC_RESY * 4);
--
- 	DG_Init();
- 
- 	D_DoomMain ();
-diff --git a/doomgeneric/doomgeneric_banan_os.cpp b/doomgeneric/doomgeneric_banan_os.cpp
-index d00c30d..9d13b43 100644
---- a/doomgeneric/doomgeneric_banan_os.cpp
-+++ b/doomgeneric/doomgeneric_banan_os.cpp
-@@ -80,13 +80,13 @@ void DG_Init()
- 			s_key_write_index = (s_key_write_index + 1) % s_key_queue_size;
- 		}
- 	);
-+
-+	ASSERT(DG_ScreenBuffer == nullptr);
-+	DG_ScreenBuffer = s_window->pixels().data();
- }
- 
- void DG_DrawFrame()
- {
--	for (size_t y = 0; y < DOOMGENERIC_RESY; y++)
--		for (size_t x = 0; x < DOOMGENERIC_RESX; x++)
--			s_window->set_pixel(x, y, 0xFF000000 | DG_ScreenBuffer[y * DOOMGENERIC_RESX + x]);
- 	s_window->invalidate();
- 	s_window->poll_events();
- }
--- 
-2.47.1
-

userspace/libraries/LibGUI/include/LibGUI/Window.h

@@ -43,8 +43,6 @@ namespace LibGUI
 			return m_framebuffer[y * m_width + x];
 		}
 
-		BAN::Span<uint32_t> pixels() { return m_framebuffer.span(); }
-
 		void fill_rect(int32_t x, int32_t y, uint32_t width, uint32_t height, uint32_t color);
 		void fill(uint32_t color) { return fill_rect(0, 0, width(), height(), color); }