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657 commits

Author SHA1 Message Date
Andreas Kling
4db78dabd3 Kernel: Rename create_framebuffer_wrapper() to create_for_physical_range(). 
Maybe there will be other types of physical ranges to map in the future.
This API doesn't seem at all specific to framebuffers.
Also tidy up a bit in BochsVGADevice.
 2019-02-16 10:58:15 +01:00
Andreas Kling
7210d2ade5 Kernel: Remove knowledge about BochsVGADevice from Process. 2019-02-16 10:40:47 +01:00
Andreas Kling
468113422f Kernel: Add ioctls to BochsVGADevice for mode setting and page flipping. 
Use these in WindowServer instead of poking at the BochsVGADevice directly.
 2019-02-16 10:26:01 +01:00
Andreas Kling
799177feda Kernel: Make BochsVGADevice a BlockDevice and support mmapping it. 
Currently you can only mmap the entire framebuffer.
Using this when starting up the WindowServer gets us yet another step
closer towards it moving into userspace. :^)
 2019-02-16 09:57:42 +01:00
Andreas Kling
2dc7c5a7b0 Kernel: Add empty BlockDevice class. 2019-02-16 00:52:58 +01:00
Andreas Kling
994279d56c Kernel: Add Device base class for CharacterDevice. 
..to prepare for adding a BlockDevice class.
 2019-02-16 00:47:20 +01:00
Andreas Kling
c6ca6522fc Kernel: Sending a signal to another process needs to disable interrupts. 2019-02-15 23:45:01 +01:00
Andreas Kling
749db8237c Ext2FS: Fix various bugs in inode and block allocation. 
I had the wrong idea about how group indices work, so using a larger fs
with more than one group caused all kinds of mess.
 2019-02-15 23:28:20 +01:00
Andreas Kling
df6aaaeeef Enable -Wimplicit-fallthrough. 2019-02-15 12:39:16 +01:00
Andreas Kling
022f7790db Use modern C++ attributes instead of __attribute__ voodoo. 
This is quite nice, although I wish [[gnu::always_inline]] implied inline.
Also "gnu::" is kind of a wart, but whatcha gonna do.
 2019-02-15 12:30:48 +01:00
Andreas Kling
fbcc8ab840 WindowServer: Slurp all available client messages when checking them. 
We were reading one client message per client per event loop iteration.
That was not very snappy. Make the sockets non-blocking and read() until
there are no messages left.

It would be even better to make as few calls to read() as possible to
reduce context switching, but this is already a huge improvement.
 2019-02-15 11:43:43 +01:00
Andreas Kling
a54cd84c59 Move WindowServer API types header into WindowServer/. 2019-02-15 09:14:21 +01:00
Andreas Kling
0d23cd73e6 VFS: Add two assertions to resolve_path() to catch corrupted file systems. 2019-02-15 09:07:29 +01:00
Andreas Kling
18210c606d Kernel: Remove GUIEventDevice. 
It's no longer used since all communication now happens across sockets. :^)
 2019-02-15 08:59:55 +01:00
Andreas Kling
e9d6fbfb47 Kernel: Fix some broken debug log statements. 2019-02-14 17:43:47 +01:00
Andreas Kling
bf58241c11 Port the WindowServer and LibGUI to communicate through local sockets. 
This is really cool! :^)

Apps currently refuse to start if the WindowServer isn't listening on the
socket in /wsportal. This makes sense, but I guess it would also be nice
to have some sort of "wait for server on startup" mode.

This has performance issues, and I'll work on those, but this stuff seems
to actually work and I'm very happy with that.
 2019-02-14 17:18:35 +01:00
Andreas Kling
00319c248c Kernel: Let's say that listening+bound sockets "can read." 
This will make it easy-peasy to select() on a socket file descriptor to wait
for incoming connections together with other activities.
 2019-02-14 16:03:37 +01:00
Andreas Kling
eb1c721ef3 Kernel: Actually send things between the socket endpoints. 2019-02-14 16:01:45 +01:00
Andreas Kling
b20a7aca61 Kernel: More work on sockets. Fleshing out connect(). 2019-02-14 15:55:19 +01:00
Andreas Kling
b12ab1270a Kernel: More work on sockets. Getting there.. 2019-02-14 15:40:04 +01:00
Andreas Kling
a63e8839da LibC: Add socket(), bind(), listen(), accept() and connect(). 2019-02-14 15:26:06 +01:00
Andreas Kling
54b1d6f57f Kernel: More sockets work. Fleshing out accept(). 2019-02-14 15:17:30 +01:00
Andreas Kling
77177dbb76 Kernel: Begin fleshing out bind() syscall. 2019-02-14 14:38:30 +01:00
Andreas Kling
2f35e54f80 Kernel: Begin implementing UNIX domain sockets. 2019-02-14 14:17:38 +01:00
Andreas Kling
8d5ba56cf9 Kernel: Remove ProcessGUI.cpp, merging remainders into Process.cpp. 2019-02-14 10:39:26 +01:00
Andreas Kling
222a6f7bbc WindowServer: Post error messages to clients on protocol failure. 2019-02-14 09:32:34 +01:00
Andreas Kling
aa7947c889 WindowServer: Add WSClientConnection class to manage an individual client. 
This makes both object lifetimes and object ID's a lot easier to understand.
 2019-02-14 08:22:47 +01:00
Andreas Kling
f529b845ec WindowServer: Convert entire API to be message-based. 
One big step towards userspace WindowServer. :^)
 2019-02-14 01:21:32 +01:00
Andreas Kling
ef4e9860fd WindowServer: Convert the remaining menu APIs into messages. 2019-02-13 21:47:14 +01:00
Andreas Kling
cf432b4c3d WindowServer: Refactor more of the menu APIs to be message-based. 
This is all pretty verbose but I can whittle it down later. :^)
 2019-02-13 18:49:23 +01:00
Andreas Kling
fbbf57b61c Rename GUI_Event to GUI_ServerMessage. 
Now that communication is becoming bidirectional, "event" is no longer right.
 2019-02-13 17:59:38 +01:00
Andreas Kling
4f98a35beb WindowServer: Begin refactoring towards a fully asynchronous protocol. 
In order to move the WindowServer to userspace, I have to eliminate its
dependence on system call facilities. The communication channel with each
client needs to be message-based in both directions.
 2019-02-13 17:54:30 +01:00
Andreas Kling
c5a00a56c8 WindowServer: Put a clock in the top right corner of the screen. 
This way we don't even need the Clock app anymore. Very cool :^)
 2019-02-13 09:27:08 +01:00
Andreas Kling
961783e0df Let's have makeall.sh build with make -j2. 
The full rebuild keeps getting slower, this makes it a bit more bearable.
 2019-02-12 16:34:19 +01:00
Andreas Kling
d74b131c27 Add a little About app and hook it up to the system menu's "About..." entry. 
Added icons and customizable text alignment to GLabel.
 2019-02-12 15:23:07 +01:00
Andreas Kling
7ce15f1c54 Fix some compilation warnings. 2019-02-12 12:11:22 +01:00
Andreas Kling
f3c8821b0f Bootloader: Bump sector count once again. 
This is starting to get cramped. I wonder how much longer this hilarious
frankenloader will be able to boot us.
 2019-02-12 12:09:50 +01:00
Andreas Kling
111589a558 Kernel: Make sure processes always start out with fds 0, 1 and 2 open. 
If we don't have a TTY for the process, fall back to /dev/null.
 2019-02-12 11:25:25 +01:00
Andreas Kling
4b8133e925 WindowServer: Clean up any menu objects on process exit. 
..and now that this works, implement the Quit menu action in Terminal. :^)
 2019-02-12 10:41:09 +01:00
Andreas Kling
f311d0f353 Kernel: Don't bother trying to pass environment to init's testing processes. 2019-02-12 10:19:52 +01:00
Andreas Kling
db98327bdc Plumb menu item activation events from WindowServer to clients. 
GMenu now has an "on_item_activation" callback that fires whenever one
of its items are activated. The menu item identifier is used to distinguish
between items.

Use this to implement font switching in Terminal. :^)
 2019-02-12 10:08:35 +01:00
Andreas Kling
9c1c885483 WindowServer: Add locking and fix coalesced invalidation race. 
WSWindowManager::invalidate() had a bug where it would mark the entire screen
rect as dirty, but it wouldn't scheduled a deferred recompose.

This would cause any subsequent calls to invalidate(Rect) to be coalesced
with the pending compose, but the pending compose never happened.
 2019-02-12 09:25:50 +01:00
Andreas Kling
431e7bf085 PS2MouseDevice: Add current buffer size to debug logging. 2019-02-12 09:22:55 +01:00
Andreas Kling
133706d697 Add API's and plumbing for WindowServer clients to make menus. 2019-02-12 00:52:19 +01:00
Andreas Kling
14c0f18de9 Kernel: Update block cache on write. 
If a block is present in the cache, just overwrite the cached block.
 2019-02-11 13:18:24 +01:00
Andreas Kling
26230c0647 WindowServer: Remove "unsafe" flag in WSMessageLoop::post_event(). 
This hack is no longer needed now that we have a Finalizer process that can
take locks without having to worry about the interrupt flag.
 2019-02-11 13:05:51 +01:00
Andreas Kling
f8951afe17 Ext2FS: Fix broken logic for accessing inode and block bitmaps. 
This logic only worked for the very first block group.
 2019-02-11 12:46:56 +01:00
Andreas Kling
298a49c688 IDEDiskDevice: Detect disk errors and report failure to clients. 
Previously we'd just fail silently if there was an I/O error of any kind.
 2019-02-11 11:38:14 +01:00
Andreas Kling
443b043b49 WindowServer: Start implementing a menu system. 
I'm going with a global top-of-the-screen menu instead of per-window menus.
The basic idea is that menus will live in the WindowServer and clients can
create menus via WindowServer requests.
 2019-02-11 09:47:10 +01:00
Andreas Kling
6b2d2cc5e3 Create /dev files for null, full, zero and random. 2019-02-11 06:59:28 +01:00