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ladybird/Kernel
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Liav A e2ed6ef741 Kernel/Graphics: Bring back the mmap interface for DisplayConnectors 
The mmap interface was removed when we introduced the DisplayConnector
class, as it was quite unsafe to use and didn't handle switching between
graphical and text modes safely. By using the SharedFramebufferVMObject,
we are able to elegantly coordinate the switch by remapping the attached
mmap'ed-Memory::Region(s) with different mappings, therefore, keeping
WindowServer to think that the mappings it has are still valid, while
they are going to a different physical range until we are back to the
graphical mode (after a switch from text mode).

Most drivers take advantage of the fact that we know where is the actual
framebuffer in physical memory space, the SharedFramebufferVMObject is
created with that information. However, the VirtIO driver is different
in that aspect, because it relies on DMA transactions to show graphics
on the framebuffer, so the SharedFramebufferVMObject is created with
that mindset to support the arbitrary framebuffer location in physical
memory space.
2022-06-06 20:11:05 +01:00
..
API Kernel: Add support for route flags 2022-05-26 16:33:10 +02:00
Arch Kernel: Initialize and use interrupts in the aarch64 Kernel 2022-06-02 13:14:12 +01:00
Bus Kernel: Unify Kernel task names for consistency 2022-06-05 14:09:44 +01:00
Devices Kernel/HID: Take a spinlock when calling KeyboardClient::on_key_pressed 2022-05-06 18:05:14 +02:00
FileSystem Kernel: Implement InterruptDisabler using generic Processor functions 2022-06-02 13:14:12 +01:00
Firmware Kernel: Implement InterruptDisabler using generic Processor functions 2022-06-02 13:14:12 +01:00
Graphics Kernel/Graphics: Bring back the mmap interface for DisplayConnectors 2022-06-06 20:11:05 +01:00
Heap Kernel: Move allocate_unbacked_region_anywhere() to MemoryManager 2022-04-05 13:45:10 +02:00
Interrupts Kernel: Move IRQController and InterruptManagement to Arch directory 2022-06-02 13:14:12 +01:00
Library Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
Locking Kernel: Verify mutex big lock behavior 2022-04-09 15:55:20 +02:00
Memory Kernel/Memory: Introduce the SharedFramebufferVMObject class 2022-06-06 20:11:05 +01:00
Net Kernel: Unify Kernel task names for consistency 2022-06-05 14:09:44 +01:00
Prekernel Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
Storage Kernel: Move Kernel/Arch/x86/SafeMem.h to Kernel/Arch/SafeMem.h 2022-05-03 21:53:36 +02:00
Syscalls Kernel: Implement InterruptDisabler using generic Processor functions 2022-06-02 13:14:12 +01:00
Tasks Kernel: Unify Kernel task names for consistency 2022-06-05 14:09:44 +01:00
Time Kernel: Move IRQController and InterruptManagement to Arch directory 2022-06-02 13:14:12 +01:00
TTY Kernel: Set console active before try to enable graphical mode 2022-06-06 20:11:05 +01:00
AddressSanitizer.cpp Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
AddressSanitizer.h Everywhere: Use bgianf@serenityos.org for my copyright attribution 2021-04-22 21:15:54 +02:00
Assertions.h Kernel: Do not implement VERIFY_NOT_REACHED() as VERIFY(false) 2022-05-12 13:12:37 +02:00
AtomicEdgeAction.h Kernel: Add per platform Processor.h headers 2021-10-14 01:23:08 +01:00
BootInfo.h Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
CMakeLists.txt Kernel/Memory: Introduce the SharedFramebufferVMObject class 2022-06-06 20:11:05 +01:00
CMOS.cpp Kernel: Move x86 IO instructions code into the x86 specific folder 2021-10-01 12:27:20 +02:00
CMOS.h Everything: Move to SPDX license identifiers in all files. 2021-04-22 11:22:27 +02:00
CommandLine.cpp Kernel/Graphics: Simplify the feature level of the Graphics subsystem 2022-05-05 20:55:57 +02:00
CommandLine.h Kernel/Graphics: Simplify the feature level of the Graphics subsystem 2022-05-05 20:55:57 +02:00
Coredump.cpp Kernel: Store AddressSpace memory regions in an IntrusiveRedBlackTree 2022-04-03 21:51:58 +02:00
Coredump.h Kernel: Replace KResult and KResultOr<T> with Error and ErrorOr<T> 2021-11-08 01:10:53 +01:00
Debug.h.in Kernel: Stop debug spam when using mmap on /dev/mem device 2022-04-01 19:59:45 +02:00
DoubleBuffer.cpp Kernel: Implement InterruptDisabler using generic Processor functions 2022-06-02 13:14:12 +01:00
DoubleBuffer.h Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
embedmap.sh Kernel: Make new kernel build process work on macOS 2021-07-15 11:04:30 +02:00
Forward.h Kernel/Memory: Introduce the SharedFramebufferVMObject class 2022-06-06 20:11:05 +01:00
FutexQueue.cpp Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
FutexQueue.h Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
GlobalProcessExposed.cpp Kernel: Move IRQController and InterruptManagement to Arch directory 2022-06-02 13:14:12 +01:00
init.cpp Kernel: Move IRQController and InterruptManagement to Arch directory 2022-06-02 13:14:12 +01:00
KBuffer.h Kernel: Propagate overflow errors from Memory::page_round_up 2021-12-28 23:08:50 +01:00
KBufferBuilder.cpp Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
KBufferBuilder.h Kernel: Expose .length() of KBufferBuilder 2022-05-06 02:12:51 +04:30
KLexicalPath.cpp Everywhere: Pass AK::StringView by value 2021-11-11 01:27:46 +01:00
KLexicalPath.h Everywhere: Pass AK::StringView by value 2021-11-11 01:27:46 +01:00
kprintf.cpp Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
kstdio.h Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
KString.cpp Kernel: Add an error propagating KString::format(..) API :^) 2021-11-30 11:16:35 +01:00
KString.h Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
KSyms.cpp Kernel: Move Kernel/Arch/x86/SafeMem.h to Kernel/Arch/SafeMem.h 2022-05-03 21:53:36 +02:00
KSyms.h Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
MiniStdLib.cpp Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
mkmap.sh Kernel: Use the toolchain's nm in mkmap.sh 2021-12-30 18:10:51 +01:00
Multiboot.h Kernel: Only use multiboot framebuffer details if present 2022-01-06 22:34:11 +01:00
Panic.cpp Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
Panic.h Kernel: Implement __panic() for the aarch64 Kernel 2022-05-03 21:53:36 +02:00
PerformanceEventBuffer.cpp Kernel: Move Kernel/Arch/x86/SafeMem.h to Kernel/Arch/SafeMem.h 2022-05-03 21:53:36 +02:00
PerformanceEventBuffer.h Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
PerformanceManager.h Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
PhysicalAddress.h Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
Process.cpp Kernel: Implement InterruptDisabler using generic Processor functions 2022-06-02 13:14:12 +01:00
Process.h Kernel+LibC+VFS: Implement utimensat(3) 2022-05-21 18:15:00 +02:00
ProcessExposed.cpp Kernel: Add /proc/{pid}/children to ProcFS 2022-05-06 02:12:51 +04:30
ProcessExposed.h Kernel: Add /proc/{pid}/children to ProcFS 2022-05-06 02:12:51 +04:30
ProcessGroup.cpp Kernel: Replace KResult and KResultOr<T> with Error and ErrorOr<T> 2021-11-08 01:10:53 +01:00
ProcessGroup.h Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
ProcessProcFSTraits.cpp Kernel: Add /proc/{pid}/children to ProcFS 2022-05-06 02:12:51 +04:30
ProcessSpecificExposed.cpp Kernel: Implement InterruptDisabler using generic Processor functions 2022-06-02 13:14:12 +01:00
Random.cpp Kernel: Make KernelRng not inherit from Lockable 2021-12-26 21:22:59 +01:00
Random.h Kernel: Make PhysicalRegion.cpp compile on aarch64 2022-04-02 19:34:20 -07:00
RTC.cpp Everywhere: Fix many spelling errors 2022-01-07 10:56:59 +01:00
RTC.h Kernel: Ensure we read valid values from the RTC CMOS registers 2021-08-04 19:53:04 +02:00
SanCov.cpp Kernel: Add some implied auto qualifiers 2021-12-30 14:32:17 +01:00
Scheduler.cpp Kernel: Unify Kernel task names for consistency 2022-06-05 14:09:44 +01:00
Scheduler.h Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
Sections.h Kernel: Use the whole kernel PD range when randomizing the KASLR offset 2022-03-23 19:49:49 +02:00
StdLib.cpp Kernel: Move Kernel/Arch/x86/SafeMem.h to Kernel/Arch/SafeMem.h 2022-05-03 21:53:36 +02:00
StdLib.h Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
Syscall.cpp Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
Thread.cpp Kernel: Implement InterruptDisabler using generic Processor functions 2022-06-02 13:14:12 +01:00
Thread.h Kernel: Increase the default userspace stack size to 4 MiB 2022-04-12 16:48:15 +02:00
ThreadBlockers.cpp Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
ThreadTracer.cpp Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
ThreadTracer.h Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
TimerQueue.cpp Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
TimerQueue.h Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
UBSanitizer.cpp Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
UnixTypes.h Kernel: Add support for SA_SIGINFO 2022-03-04 20:07:05 +01:00
UserOrKernelBuffer.cpp Kernel: Replace KResult and KResultOr<T> with Error and ErrorOr<T> 2021-11-08 01:10:53 +01:00
UserOrKernelBuffer.h Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
VirtualAddress.h Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
WaitQueue.cpp Kernel: Don't register thread as custom data for WaitQueueBlocker 2021-08-24 01:57:11 +02:00
WaitQueue.h Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
WorkQueue.cpp Kernel: Unify Kernel task names for consistency 2022-06-05 14:09:44 +01:00
WorkQueue.h Kernel: Take WorkQueue item as reference instead of pointer in do_queue 2022-04-20 19:47:18 +02:00