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613ade9dec
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6196 Commits

Author SHA1 Message Date
Idan Horowitz
613ade9dec Kernel: Implement the SO_DONTROUTE SOL_SOCKET-level option 2021-12-05 12:53:29 +01:00
Idan Horowitz
641498954f Kernel: Implement the SO_ACCEPTCONN SOL_SOCKET-level option 2021-12-05 12:53:29 +01:00
Idan Horowitz
a0e2fedc20 Kernel: Stub out the SO_DEBUG SOL_SOCKET-level option 2021-12-05 12:53:29 +01:00
Idan Horowitz
e521ffd156 Kernel: Add support for the MSG_WAITALL sys$recvmsg flag 2021-12-05 12:53:29 +01:00
Idan Horowitz
5514d60d8d Kernel: Add support for the MSG_DONTROUTE sys$sendmsg flag 2021-12-05 12:53:29 +01:00
Idan Horowitz
0a36d1459a Kernel: Return EINVAL on unsupported LocalSocket ioctl 
ENOTTY is used to signify that no ioctl interface is provided at all,
but LocalSockets do support the FIONREAD ioctl.
 2021-12-05 12:53:29 +01:00
Daniel Bertalan
294cb3cef4 Kernel: Wrap x86 assembly behind ARCH(...) in Syscall.h 
Unlike GCC, Clang parses assembly eagerly, and immediately rejects
inline assembly that's not for the right architecture.
 2021-12-04 11:59:59 -08:00
Daniel Bertalan
9b90f1fed5 Kernel: Do not do integer to pointer conversion in constexpr functions 
Creating pointers from arbitrary values is not a valid thing to do in
constexpr functions. Furthermore, this functions is always called with
runtime values anyways, so there's no use in having it be constexpr.
Instead, make it ALWAYS_INLINE.
 2021-12-04 11:59:59 -08:00
Daniel Bertalan
8e2d0c8d5c Kernel: Do not return a null ref in Processor::current on aarch64 
Clang rejects binding a reference to a null pointer at compile-time.
Let's just crash explicitly, instead of waiting for a null dereference
to mess things up.
 2021-12-04 11:59:59 -08:00
Idan Horowitz
711a7104f3 Kernel: Handle invalid stack pointer during signal dispatch 
Instead of crashing the kernel, we simply terminate the process.
 2021-12-01 21:44:11 +02:00
Idan Horowitz
40f64d7379 Kernel: Dispatch handle-able signals instead of crashing if possible 
This matches the behaviour of the other *nixs and allows processes to
try and recover from such signals in userland.
 2021-12-01 21:44:11 +02:00
Idan Horowitz
f415218afe Kernel+LibC: Implement sigaltstack() 
This is required for compiling wine for serenity
 2021-12-01 21:44:11 +02:00
Idan Horowitz
d5d0eb45bf Kernel: Clear up some comments in the sys$mprotect implementation 2021-12-01 21:44:11 +02:00
Idan Horowitz
f27bbec7b2 Kernel: Move incorrect early return in sys$mprotect 
Since we're iterating over multiple regions that interesect with the
requested range, just one of them having the requested access flags
is not enough to finish the syscall early.
 2021-12-01 21:44:11 +02:00
Idan Horowitz
a9e436c4a3 Kernel: Replace usages of SIGSTKFLT with SIGSEGV 
SIGSTKFLT is a signal that signifies a stack fault in a x87 coprocessor,
this signal is not POSIX and also unused by Linux and the BSDs, so let's
use SIGSEGV so programs that setup signal handlers for the common
signals could still handle them in serenity.
 2021-12-01 21:44:11 +02:00
Idan Horowitz
4ca39c7110 Kernel: Move the expand_range_to_page_boundaries helper to MemoryManager 
This helper can (and will) be used in more parts of the kernel besides
the mmap-family of syscalls.
 2021-12-01 21:44:11 +02:00
Idan Horowitz
ff6b43734c Kernel: Add Region::clear_to_zero 
This helper method can be used to quickly and efficiently zero out a
region.
 2021-12-01 21:44:11 +02:00
Idan Horowitz
5f95a1a7b7 LibC: Define the MADV_DONTNEED madvise advice macro 
This isn't actually implemented at the moment, but it is required for
wine to compile
 2021-12-01 21:44:11 +02:00
Idan Horowitz
fc13d0782f LibC: Make the madvise advice field a value instead of a bitfield 
The advices are almost always exclusive of one another, and while POSIX
does not define madvise, most other unix-like and *BSD systems also only
accept a singular value per call.
 2021-12-01 21:44:11 +02:00
Idan Horowitz
48f92f6482 LibC: Add the SIGFPE si_code macros 2021-12-01 21:44:11 +02:00
James Mintram
224b865fda Kernel: Add an x86 include check+error in x86/TSS.h 2021-12-01 11:22:04 -08:00
James Mintram
b08eb37b11 Kernel: Add an x86 include check+error in x86/TrapFrame.h 2021-12-01 11:22:04 -08:00
James Mintram
80cdfee10a Kernel: Add an x86 include check+error in x86/Spinlock.h 2021-12-01 11:22:04 -08:00
James Mintram
34b341e35d Kernel: Add an x86 include check+error in x86/RegisterState.h 2021-12-01 11:22:04 -08:00
James Mintram
1dc1412dee Kernel: Add an x86 include check+error in x86/ProcessorInfo.h 2021-12-01 11:22:04 -08:00
James Mintram
e20884dc0c Kernel: Add an x86 include check+error in x86/Processor.h 2021-12-01 11:22:04 -08:00
James Mintram
eb33df0c30 Kernel: Add an x86 include check+error in x86/PageFault.h 2021-12-01 11:22:04 -08:00
James Mintram
17fb2adf61 Kernel: Add an x86 include check+error in x86/PageDirectory.h 2021-12-01 11:22:04 -08:00
James Mintram
70a18a2271 Kernel: Add an x86 include check+error in x86/MSR.h 2021-12-01 11:22:04 -08:00
James Mintram
bffc3da9d7 Kernel: Add an x86 include check+error in x86/ISRStubs.h 2021-12-01 11:22:04 -08:00
James Mintram
1e5b82f0c6 Kernel: Add an x86 include check+error in x86/IO.h 2021-12-01 11:22:04 -08:00
James Mintram
b9ae6daa02 Kernel: Add an x86 include check+error in x86/Inerrupts.h 2021-12-01 11:22:04 -08:00
James Mintram
ed2aa96511 Kernel: Add an x86 include check+error in x86/InerruptDisabler.h 2021-12-01 11:22:04 -08:00
James Mintram
62d86afee9 Kernel: Add an x86 include check+error in x86/DescriptorTable.h 2021-12-01 11:22:04 -08:00
James Mintram
db1fbdabf9 Kernel: Add an x86 include check+error in x86/CPUID.h 2021-12-01 11:22:04 -08:00
James Mintram
8350b44ebd Kernel: Add an x86 include check+error in x86/CPU.h 2021-12-01 11:22:04 -08:00
James Mintram
3e3c632969 Kernel: Add an x86 include check+error in x86/ASM_Wrapper.h 2021-12-01 11:22:04 -08:00
James Mintram
1c86b7043b Kernel: Remove ASM_Wrapper include from platform independent processor.h 2021-12-01 11:22:04 -08:00
Hendiadyoin1
c7b90fa7d3 Kernel: Don't rewrite the whole file on sys$msync 2021-12-01 09:47:46 +01:00
Hendiadyoin1
259f78545a Kernel: Allow flushing of partial regions in sys$msync 2021-12-01 09:47:46 +01:00
Hendiadyoin1
49d6ad6633 Kernel: Handle more error cases in sys$msync 2021-12-01 09:47:46 +01:00
Brian Gianforcaro
d7568b28b4 Kernel: Surface errors when generating a process core dump :^) 2021-11-30 11:16:35 +01:00
Brian Gianforcaro
fa517b213a Kernel: Handle string format errors in FileSystem APIs :^) 2021-11-30 11:16:35 +01:00
Brian Gianforcaro
e626d7098d Kernel: Handle string format errors in Device::pseudo_path(..) :^) 2021-11-30 11:16:35 +01:00
Brian Gianforcaro
1f65728d8b Kernel: Handle string format errors in PCIDeviceAttributeSysFSComponent 2021-11-30 11:16:35 +01:00
Brian Gianforcaro
74ee491b84 Kernel: Handle string format errors in SlabAllocator stats :^) 
Switch to KString::formatted and fix API so we can propagate errors.
 2021-11-30 11:16:35 +01:00
Brian Gianforcaro
a0e59099fc Kernel: Handle string format errors in KCOVInstance :^) 2021-11-30 11:16:35 +01:00
Brian Gianforcaro
a5cec06135 Kernel: Handle string format error in page_fault_handler(..) :^) 
Utilize the new KString::formatted to provide a fallback
if formatting fails because of OOM or whatever reason.
 2021-11-30 11:16:35 +01:00
Brian Gianforcaro
4cc41ea186 Kernel: Add an error propagating KString::format(..) API :^) 
In the continuous effort of better handling OOM in the kernel,
we want to move away from all AK::String usage. One of the final
pieces left to accomplish this goal is replacing all of the usages
of `String::formatted` with something that can actually propagate
failure.

The StringBuilder API was enhanced in the recent past to propagate
failure and thus a slightly modified version of what exists in
`AK::format` will work well for implementing failable format with
`KString`.
 2021-11-30 11:16:35 +01:00
Jelle Raaijmakers
e187207610 Kernel: Register Virtio console ports with device management 
Previously, Virtio console ports would not show up in `/sys/dev/char/`.
Also adds support to `SystemServer` to create more than one console
port device in `/dev/` in the multiport case.
 2021-11-30 10:53:41 +01:00