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Author SHA1 Message Date
Peter Elliott
7a27fa3df8 LibC: Implement tcflush(3) 2020-07-11 11:33:33 +02:00
Andreas Kling
f4ddca0a73 UserspaceEmulator: Warn in SoftMMU if accessing unknown memory 2020-07-10 20:29:44 +02:00
Andreas Kling
58fd010caf UserspaceEmulator: Implement a bunch of the MOV instructions 2020-07-10 20:29:14 +02:00
Andreas Kling
04d58f54b3 UserspaceEmulator: Implement the SAR instruction 
Let's try doing this with some inline assembly. We know we're running
on an x86 target anyway. :^)
 2020-07-10 20:20:27 +02:00
Andreas Kling
3899effb19 UserspaceEmulator: Implement the SUB family of instructions 2020-07-10 20:20:27 +02:00
Andreas Kling
0cf7fd5268 UserspaceEmulator+LibX86: Implement all the forms of XOR 
And they're all generic, which will make it easy to support more ops.
 2020-07-10 20:20:27 +02:00
Andreas Kling
9955819d92 UserspaceEmulator: Better 8/16 bit GPR accessors 2020-07-10 20:20:27 +02:00
Andreas Kling
6f27770cea UserspaceEmulator: Add 8/16 bit memory read/write operations 2020-07-10 20:20:27 +02:00
Andreas Kling
f8b38eabeb UserspaceEmulator: First cut of generic instruction implementations 
Let's use C++ templates to implement the generic parts of instructions.
There are tons of them with the same set of inputs, just different
behavior. Templates are perfect for this.
 2020-07-10 20:20:27 +02:00
Andreas Kling
30ef30ca09 UserspaceEmulator: Add proper segment registers 
Some things will flow better if we're able to index into a table of our
segment registers.
 2020-07-10 20:20:27 +02:00
Andreas Kling
4f41fada39 UserspaceEmulator: Add accessors for the 16-bit GPRs 2020-07-10 20:20:27 +02:00
Andreas Kling
45bfdd0063 LibX86: Add a templatized way to resolve ModR/M memory references 
Hopefully this will be flexible enough for our SoftCPU. :^)
 2020-07-10 20:20:27 +02:00
Andreas Kling
3a1cf9505d LibX86: Store Instruction's segment prefix as Optional<SegmentRegister> 
Instead of having a dedicated enum value for the empty state.
 2020-07-10 20:20:27 +02:00
Andreas Kling
f1801cfb28 UserspaceEmulator: Fix a Clang warning 
Clang didn't like default construction of PartAddressableRegister,
so let's just use memset() then.
 2020-07-10 20:20:27 +02:00
thankyouverycool
deceb91c48 FileManager: Show an open folder icon for the selected directory 
The currently selected directory now displays an open folder icon
in the directory tree.
 2020-07-10 19:44:18 +02:00
thankyouverycool
e6ddc7e022 LibGUI: Add missing on_toggle hook to TreeView 
Alt+arrow toggles are now captured.
 2020-07-10 19:44:18 +02:00
thankyouverycool
bd0a4cbbf9 Base: Update 16x16 filetype-folder icons 
Update folder-open icon to match current folder icon, and shift
the current folder icon right 1 pixel for smoove animation.
 2020-07-10 19:44:18 +02:00
Matthew Olsson
119386ffb0 LibJS: Add tests for symbol object integration 2020-07-09 23:33:00 +02:00
Matthew Olsson
7a1d485b19 LibJS: Integrate Symbols into objects as valid keys 
This allows objects properties to be created for symbol keys in addition
to just plain strings/numbers
 2020-07-09 23:33:00 +02:00
Matthew Olsson
9783a4936c LibJS: Add test for well-known symbols 2020-07-09 23:29:28 +02:00
Matthew Olsson
ffb569fd5d LibJS: Uncomment remaining symbol tests 2020-07-09 23:29:28 +02:00
Matthew Olsson
d9db6bec42 LibJS: Move global symbol map from SymbolObject to Interpreter 
This allows different instances of the Interpreter to have their own
global symbols. Also makes Symbol non-copyable and non-moveable.
 2020-07-09 23:29:28 +02:00
Andreas Kling
4d8683b632 UserspaceEmulator: Tidy up SoftCPU's general purpose registers 
This patch adds a PartAddressableRegister type, which divides a 32-bit
value into separate parts needed for the EAX/AX/AL/AH register splits.

Clean up the code around register access to make it a little less
cumbersome to use.
 2020-07-09 23:27:50 +02:00
Tom
b02d33bd63 Kernel: Fix some flaws that caused crashes or hangs during boot 
We need to halt the BSP briefly until all APs are ready for the
first context switch, but we can't hold the same spinlock by all
of them while doing so. So, while the APs are waiting on each other
they need to release the scheduler lock, and then once signaled
re-acquire it. Should solve some timing dependent hangs or crashes,
most easily observed using qemu with kvm disabled.
 2020-07-09 23:24:55 +02:00
Tom
5d9ea2c787 Shell: Pledge sigaction 
The shell is wiring up signal handlers, and when they get torn
down by Core::EventLoop, they are reset, which requires sigaction.
 2020-07-09 21:58:07 +02:00
Tom
6dfd503518 Shell: Handle signals asynchronously 
Fixes #2717
 2020-07-09 21:58:07 +02:00
Tom
6751d03ea7 LibCore: Add register_signal and unregister_signal to EventLoop 
This allows safer asynchronous handling of signals. Signals are
dispatched with highest priority.
 2020-07-09 21:58:07 +02:00
Tom
dadd53e4f2 AK: HashTable/HashMap return whether action was performed for set/remove 
This allows performing an action based on whether something
was actually added or removed without having to look it up
prior to calling set() or remove().
 2020-07-09 21:58:07 +02:00
Tom
df54229954 LibVT: Set scrollbar page size 2020-07-09 21:56:45 +02:00
Tom
fc568ea13a LibGUI: Make scrollbar thumb size relative to content size 
In order to calculate a thumb size that is a representation
of the visible portion (page) of the content, that information
needs to be taken into account.
 2020-07-09 21:56:45 +02:00
Tom
6df87b51f7
 		Kernel: Protect Inode list with SpinLock (#2748) 
Fixes crashes when a context switch happens in the middle
of modifying it, or when another thread on another processor
modifies it at the same time.
 2020-07-09 21:51:58 +02:00
Tom
d4b87fb18e LibGUI: Implement IconView auto-scrolling when trying to select items out of view 
If selecting in a large icon view, and dragging the mouse outside
of the widget, or close to the border of it, start scrolling
automatically. This allows for selecting large amount of items
that exceed the amount that can be displayed.
 2020-07-09 21:51:01 +02:00
Andreas Kling
d10765bec3 UserspaceEmulator: Add an initial stack and implement PUSH/POP reg32 
Programs now start out with a 64 KB stack at 0x10000000. :^)
 2020-07-09 16:20:08 +02:00
Andreas Kling
d5c46cf528 UserspaceEmulator: Start sketching out a SoftMMU class :^) 
This Emulator sub-object will keep track of all active memory regions
and handle memory read/write operations from the CPU.

A memory region is currently represented by a virtual Region object
that can implement arbitrary behavior by overriding read/write ops.
 2020-07-09 16:18:47 +02:00
Andreas Kling
3a73fdd244 UserspaceEmulator: Start executing in _start() instead of main() 
This is one step closer to the real thing. :^)
 2020-07-09 15:47:10 +02:00
thankyouverycool
066ae29c07 Base+Demos: Add icons to WidgetGallery 2020-07-08 23:48:26 +02:00
Tom
ce5ae83963 Kernel: Detect syscall/sysenter support 2020-07-08 23:47:36 +02:00
Kevin Meyer
5b6920a18a LibWeb: Don't call did_layout in non-main frame documents 
Fixes https://github.com/SerenityOS/serenity/issues/2649

Loading a page with iframes could lead to a scenario, where the iframe
document finished layout prior to the main frame beeing laid out
initially. This caused a crash/assertion of the browser.
 2020-07-08 23:45:12 +02:00
Kevin Meyer
a5b8cc2d0b LibWeb: Add type for FrameLoader::load 
This should enable to destinguish between IFrame, Reload and Navigation
motivated loads in order to call the appropriate hooks.

This change is motivated as loading the IFrame test page causes the
IFrame url to be added to the history and shows up as the current
browser location bar.
 2020-07-08 23:45:12 +02:00
Nico Weber
6105f063cb LibLine: Add ctrl-t shortcut for transposing characters 2020-07-07 23:13:25 +02:00
Linus Groh
ec5845212d WindowServer: Apply the "wait" cursor to unresponsive windows 2020-07-07 23:11:39 +02:00
Linus Groh
e99cb74a0c WidgetGallery: Add "Cursors" tab 2020-07-07 23:11:39 +02:00
Linus Groh
899dcba158 WindowServer+LibGUI: Add "wait" cursor 2020-07-07 23:11:39 +02:00
Linus Groh
b8a8e417f1 WindowServer+LibGUI: Add "help" cursor 2020-07-07 23:11:39 +02:00
Linus Groh
b86a59ec05 LibGUI: Use Resize{Column,Row} cursor for Splitter and AbstractTableView 2020-07-07 23:11:39 +02:00
Linus Groh
62866208ee WindowServer+LibGUI: Add "resize row/column" cursors 2020-07-07 23:11:39 +02:00
Nico Weber
2dd40aac4d Piano: Make menu bar consistent with other apps 
"Help" should be after "Edit".

The "Quit" menu item should be at the end of the app menu, and
after a separator.
 2020-07-07 23:11:08 +02:00
AnotherTest
173effc88d Shell: Suggest aliases when completing program names :^) 
Closes #2732
 2020-07-07 23:11:01 +02:00
Andreas Kling
8ab601f9e1 UserspaceEmulator: Implement XOR_RM32_reg32 
Note that this is a partial implementation since we don't have support
for memory r/m variants yet.
 2020-07-07 22:44:58 +02:00
Andreas Kling
934f0b999e UserspaceEmulator: Add arithmetic CPU flags 2020-07-07 22:44:58 +02:00