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serenity/Kernel
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Andreas Kling 5100dabb96 Kernel: Copy the kernel command line to a good location at boot 
When building the kernel with -O2, we somehow ended up with the kernel
command line outside of the lower 8MB of physical memory. Since we don't
map that area in our initial page table setup, we would triple fault
when trying to parse the command line.

This patch sidesteps the issue by copying the (first 4KB of) the kernel
command line to a buffer in a known safe location at boot.
2021-02-23 19:43:44 +01:00
..
ACPI Kernel: Slap UNMAP_AFTER_INIT on a bunch more functions 2021-02-19 21:42:18 +01:00
API Kernel: Handle 'Menu' key on PS/2 keyboard 2021-02-15 19:37:14 +01:00
Arch Kernel: Copy the kernel command line to a good location at boot 2021-02-23 19:43:44 +01:00
Devices Kernel: Slap a handful more things with UNMAP_AFTER_INIT 2021-02-20 00:00:19 +01:00
FileSystem Kernel: Handle overflow in FileDescription::seek(, SEEK_CUR) 2021-02-21 17:12:01 +01:00
Heap Kernel: Fix a dmesgln() format error 2021-02-23 13:59:33 +01:00
Interrupts Kernel: Slap UNMAP_AFTER_INIT on a bunch more functions 2021-02-19 21:42:18 +01:00
Modules
Net Kernel: Slap a handful more things with UNMAP_AFTER_INIT 2021-02-20 00:00:19 +01:00
PCI Kernel: Slap UNMAP_AFTER_INIT on a bunch more functions 2021-02-19 21:42:18 +01:00
Storage Kernel: Mark some IDEController functions with UNMAP_AFTER_INIT 2021-02-20 17:28:29 +01:00
Syscalls Kernel: Use copy_n_from_user in sys$setgroups to check for overflow 2021-02-21 17:12:01 +01:00
Tasks Kernel: Ignore unobserved BlockResult from Thread::Sleep 2021-02-15 08:28:57 +01:00
Time Kernel: Slap a handful more things with UNMAP_AFTER_INIT 2021-02-20 00:00:19 +01:00
TTY Kernel: Silence TTY signal debug spam 2021-02-21 10:52:30 +01:00
VM Kernel: Slap UNMAP_AFTER_INIT on a whole bunch of functions 2021-02-19 20:23:05 +01:00
.gitignore Meta: Expect sync-local.sh script at repository root 2021-01-30 09:18:46 +01:00
AddressSanitizer.cpp Kernel: Initial integration of Kernel Address Sanitizer (KASAN) 2021-02-15 11:41:53 +01:00
AddressSanitizer.h Kernel: Initial integration of Kernel Address Sanitizer (KASAN) 2021-02-15 11:41:53 +01:00
Assertions.h Everywhere: Switch from (void) to [[maybe_unused]] (#4473) 2020-12-21 00:09:48 +01:00
CMakeLists.txt Kernel: Only build with -fsanitize=* if using GCC 2021-02-23 17:41:34 +01:00
CMOS.cpp
CMOS.h
CommandLine.cpp Kernel: Slap UNMAP_AFTER_INIT on a bunch more functions 2021-02-19 21:42:18 +01:00
CommandLine.h
Console.cpp Kernel: Slap UNMAP_AFTER_INIT on a bunch more functions 2021-02-19 21:42:18 +01:00
Console.h Kernel: Make device generate their own names 2021-01-22 22:17:39 +01:00
CoreDump.cpp Kernel: Reorganize ptrace implementation a bit 2021-02-08 19:34:41 +01:00
CoreDump.h Kernel: Embed a Metadata notes entry in coredumps 2020-12-30 16:28:27 +01:00
Debug.h.in Kernel: Add NE2000 network card driver 2021-02-05 09:35:02 +01:00
DMI.cpp Kernel: Slap UNMAP_AFTER_INIT on a bunch more functions 2021-02-19 21:42:18 +01:00
DMI.h Kernel: Set file size for smbios_entry_point and DMI blobs in ProcFS 2021-02-01 17:13:23 +01:00
DoubleBuffer.cpp Kernel: Merge PurgeableVMObject into AnonymousVMObject 2021-01-01 23:43:44 +01:00
DoubleBuffer.h Kernel: Move block condition evaluation out of the Scheduler 2020-11-30 13:17:02 +01:00
Forward.h Kernel: Factor address space management out of the Process class 2021-02-08 18:27:28 +01:00
FutexQueue.cpp Everywhere: Replace dbgln<flag>(...) with dbgln_if(flag, ...) 2021-02-08 18:08:55 +01:00
FutexQueue.h Kernel: Some futex improvements 2021-01-17 20:30:31 +01:00
init.cpp Kernel: Copy the kernel command line to a good location at boot 2021-02-23 19:43:44 +01:00
IO.h Kernel: Convert a bunch of String::format() => String::formatted() 2021-01-11 22:07:01 +01:00
KBuffer.h Kernel: Mark KBuffer and its getters as [[nodiscard]] 2021-02-15 09:34:52 +01:00
KBufferBuilder.cpp Kernel: Assert if rounding-up-to-page-size would wrap around to 0 2021-02-14 10:01:50 +01:00
KBufferBuilder.h AK+Kernel+Userland: Enable some more compiletime format string checks 2021-02-23 13:59:33 +01:00
kprintf.cpp Kernel: Don't take debug logging lock in sprintf() 2021-02-20 17:21:53 +01:00
KResult.h Kernel: Mark KResult getters as [[nodiscard]] 2021-02-15 09:34:52 +01:00
kstdio.h Kernel: Remove kprintf() 2021-02-17 16:33:43 +01:00
KSyms.cpp Kernel: Slap UNMAP_AFTER_INIT on a bunch more functions 2021-02-19 21:42:18 +01:00
KSyms.h
linker.ld Kernel: Add .unmap_after_init section for code we don't need after init 2021-02-19 20:23:05 +01:00
Lock.cpp Kernel: Add WaitQueue::wait_forever and it use it for all infinite waits. 2021-02-15 08:28:57 +01:00
Lock.h Kernel: Mark Lock getters as [[nodiscard]] 2021-02-15 09:34:52 +01:00
LockMode.h Kernel: Fix Lock race causing infinite spinning between two threads 2020-12-16 23:38:17 +01:00
mkmap.sh
Module.h
Multiboot.h Kernel: Parse boot modules from Multiboot specification 2021-01-22 22:17:39 +01:00
Panic.cpp Kernel: Add a PANIC() function 2021-02-14 09:36:58 +01:00
Panic.h Kernel: Add a PANIC() function 2021-02-14 09:36:58 +01:00
PerformanceEventBuffer.cpp Kernel: Factor address space management out of the Process class 2021-02-08 18:27:28 +01:00
PerformanceEventBuffer.h Kernel: Prune uninteresting kernel frames from profiling samples 2021-01-17 14:36:53 +01:00
PhysicalAddress.h Kernel: Mark PhysicalAddress/VirtualAddress getters as [[nodiscard]] 2021-02-15 09:34:52 +01:00
Process.cpp Kernel: Use uniform initialization instead of memset for a few stack buffer. 2021-02-21 11:52:47 +01:00
Process.h Kernel: Add "map_fixed" pledge promise 2021-02-21 01:08:48 +01:00
ProcessGroup.cpp Kernel: Move block condition evaluation out of the Scheduler 2020-11-30 13:17:02 +01:00
ProcessGroup.h Kernel: Move block condition evaluation out of the Scheduler 2020-11-30 13:17:02 +01:00
Random.cpp Kernel: Slap UNMAP_AFTER_INIT on a bunch more functions 2021-02-19 21:42:18 +01:00
Random.h Kernel: Don't left-shift 1 (signed) 31 times 2021-02-05 21:28:06 +01:00
RTC.cpp Kernel: Don't assert if RTC believes we're in the past 2021-02-11 20:58:39 +01:00
RTC.h
Scheduler.cpp Kernel: Slap UNMAP_AFTER_INIT on a bunch more functions 2021-02-19 21:42:18 +01:00
Scheduler.h Kernel: Remove ancient unused Scheduler::beep() declaration 2021-02-07 20:45:09 +01:00
SpinLock.h Kernel: Tag more methods and types as [[nodiscard]] 2020-12-27 11:09:30 +01:00
StdLib.cpp Kernel: Do not try to print the string that cannot be read 2021-02-13 00:40:31 +01:00
StdLib.h Kernel: Mark more StdLib functions as [[nodiscard]] 2021-02-15 09:34:52 +01:00
Syscall.cpp Kernel: Slap a handful more things with UNMAP_AFTER_INIT 2021-02-20 00:00:19 +01:00
Thread.cpp Kernel: Switch m_signal_action_data to Array<...> 2021-02-21 12:54:39 +01:00
Thread.h Kernel: Switch m_signal_action_data to Array<...> 2021-02-21 12:54:39 +01:00
ThreadBlockers.cpp Kernel: Use uniform initialization instead of memset for a few stack buffer. 2021-02-21 11:52:47 +01:00
ThreadTracer.cpp Kernel: Reorganize ptrace implementation a bit 2021-02-08 19:34:41 +01:00
ThreadTracer.h
TimerQueue.cpp Kernel: Slap UNMAP_AFTER_INIT on a bunch more functions 2021-02-19 21:42:18 +01:00
TimerQueue.h Kernel: Specify default memory order for some non-synchronizing Atomics 2021-01-04 19:13:52 +01:00
UBSanitizer.cpp KUBSAN: Add nearly all missing -fsanitize handlers (#5254) 2021-02-11 20:58:01 +01:00
UBSanitizer.h KUBSAN: Add nearly all missing -fsanitize handlers (#5254) 2021-02-11 20:58:01 +01:00
UnixTypes.h Kernel+LibC: Add the _SC_GETPW_R_SIZE_MAX sysconf enum 2021-02-15 17:32:56 +01:00
UnveilNode.h Kernel: Allow 'elevating' unveil permissions if implicitly inherited from '/' 2020-12-26 16:10:04 +01:00
UserOrKernelBuffer.cpp AK: Add StringBuilder::appendff using the new format. 2020-09-22 15:06:40 +02:00
UserOrKernelBuffer.h Kernel: Mark UserOrKernelBuffer and it's getters as [[nodicard]] 2021-02-15 09:34:52 +01:00
VirtualAddress.h Kernel: Mark PhysicalAddress/VirtualAddress getters as [[nodiscard]] 2021-02-15 09:34:52 +01:00
WaitQueue.cpp Everywhere: Replace dbgln<flag>(...) with dbgln_if(flag, ...) 2021-02-08 18:08:55 +01:00
WaitQueue.h Kernel: Add WaitQueue::wait_forever and it use it for all infinite waits. 2021-02-15 08:28:57 +01:00