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50 commits

Author SHA1 Message Date
Andreas Kling
2c3cf22bc9 LibC: A whole bunch of compat work towards porting Lynx. 2019-03-14 15:18:15 +01:00
Andreas Kling
a017a77442 Kernel+LibC+Userland: Start working on an IPv4 socket backend. 
The first userland networking program will be "ping" :^)
 2019-03-12 15:51:42 +01:00
Andreas Kling
eda0866992 Add a C++ helper class for working with shared buffers. 
This is a bit more comfortable than passing the shared buffer ID manually
everywhere and keeping track of size etc.
 2019-03-08 12:24:05 +01:00
Andreas Kling
3f29a12d90 More compat work. Rename libraries from LibFoo.a => libfoo.a 
This makes it more straightforward to build a cross-compiler toolchain.
Also move math stuff from LibC to LibM.
 2019-02-26 13:30:57 +01:00
Andreas Kling
93c0dfd1d7 LibC: A bunch of compat work towards porting GCC. 2019-02-24 15:20:07 +01:00
Andreas Kling
d7753c7c8d Move over to building all of userspace with i686-pc-serenity-g++. 2019-02-22 14:45:14 +01:00
Andreas Kling
75b100673f Switch over to building everything with i686-elf-g++. 2019-02-22 10:45:32 +01:00
Andreas Kling
42342d2337 LibC: Tidy up _start a bit and rename compilation unit to "crt0" 2019-02-22 09:21:54 +01:00
Andreas Kling
8eedbbc9ca Prune compiler flags a bit. Let's go with -march=i686 for now. 2019-02-17 15:17:21 +01:00
Andreas Kling
640360e958 Move WindowServer to userspace. 
This is a monster patch that required changing a whole bunch of things.
There are performance and stability issues all over the place, but it works.
Pretty cool, I have to admit :^)
 2019-02-17 00:13:47 +01:00
Andreas Kling
df6aaaeeef Enable -Wimplicit-fallthrough. 2019-02-15 12:39:16 +01:00
Andreas Kling
a63e8839da LibC: Add socket(), bind(), listen(), accept() and connect(). 2019-02-14 15:26:06 +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
736e852525 LibC: Implement enough missing stuff to get bash-5.0 running. :^) 2019-02-08 02:38:21 +01:00
Andreas Kling
5158bee08c Don't use -mregparm=3 in userspace. 
It's pretty comfy having arguments in registers in the kernel for now though.
 2019-02-08 01:24:52 +01:00
Andreas Kling
1f159eaab0 Add a fast memcpy() using MMX when we're moving >= 1KB. 
This is a nice speedup for WindowServer. I'll eventually have to do this
with SSE but the kernel doesn't support SSE yet so this is it for now.
 2019-02-07 08:46:52 +01:00
Andreas Kling
27263b6172 Clean up LDFLAGS a bit. 
While working on the ELF loader I was trying to keep binaries as simple as
possible so I could understand them easily. Now that the ELF loader is mature
and working fine, we can move closer towards ld defaults.
 2019-02-06 14:48:09 +01:00
Andreas Kling
5e0b7f1a56 Add basic automatic dependency management to Makefiles. 2019-02-02 04:41:59 +01:00
Andreas Kling
2bedabbd6c Stub out poll() syscall and LibC wrapper. 2019-01-23 07:28:25 +01:00
Andreas Kling
7e5b81fe48 Make a SharedGraphics directory for classes shared between Kernel and LibGUI. 2019-01-19 23:22:46 +01:00
Andreas Kling
b5c76d7559 Get rid of #ifdef SERENITY. We're past that phase of bootstrapping. 2019-01-17 01:41:36 +01:00
Andreas Kling
10387beda7 Implement basic support for POSIX-style select(). 
Now we can block on both the PTY *and* the GUI event stream in Terminal.
 2019-01-16 00:09:58 +01:00
Andreas Kling
b673c1a77d Build Painter & friends into LibC. Use it in the GUI test app. 2019-01-14 20:02:51 +01:00
Andreas Kling
0c5ecd303c Share GraphicsBitmaps between the windowing server and the client process. 
This is pretty cool. :^)

GraphicsBitmaps are now mapped into both the server and the client address
space (usually at different addresses but that doesn't matter.)

Added a GUI syscall for getting a window's backing store, and another one
for invalidating a window so that the server redraws it.
 2019-01-14 15:25:34 +01:00
Andreas Kling
038d8641f9 Implement utime() along with a naive /bin/touch. 
This synchronous approach to inodes is silly, obviously. I need to rework
it so that the in-memory CoreInode object is the canonical inode, and then
we just need a sync() that flushes pending changes to disk.
 2018-12-19 21:14:55 +01:00
Andreas Kling
9d05f6b7a7 Make bash-2.05b build with minimal changes. 
This is really neat. :^)
 2018-11-17 00:14:07 +01:00
Andreas Kling
c99f8af66d Add ioctl() and reimplement tcsetpgrp/tcsetpgrp as ioctls. 2018-11-16 13:13:50 +01:00
Andreas Kling
d5d45d1088 Rage hacking to get bash to run. It finally runs. So cool! :^) 2018-11-11 15:38:07 +01:00
Andreas Kling
f394e3486a Stub out a bunch more functions to get closer to that sweet bash build. 2018-11-11 10:38:33 +01:00
Andreas Kling
7cc4caee4f Add ispunct() to LibC + some minor cleanups. 2018-11-11 00:44:04 +01:00
Andreas Kling
4914f3b837 Build LibC and Userland with clang as well. 2018-11-09 14:29:00 +01:00
Andreas Kling
8249c086c3 Get rid of redundant sys$spawn now that we have fork+exec. 2018-11-09 10:22:27 +01:00
Andreas Kling
d7a41579e5 Miscellaneous compat work while seeing if GNU coreutils would build. 2018-11-07 10:23:16 +01:00
Andreas Kling
90bab5ea71 Add getgrent() family of functions. 2018-11-06 22:27:51 +01:00
Andreas Kling
b2d23f83ab Add umask(). 2018-11-06 13:47:56 +01:00
Andreas Kling
82f84bab11 More random compat hacking towards getting bash to build. 
I'm now at the build stage where it complains about a bajillion missing
symbols. This is a good place to be!
 2018-11-05 18:21:42 +01:00
Andreas Kling
e76312ab63 Lots of minor compat stuff while seeing if bash would build. 
We're quite far from bash building, but we'll get there eventually!
 2018-11-05 16:40:48 +01:00
Andreas Kling
9886b27d9c Add getpwent() family of functions to LibC. 
Also add a little /etc/passwd database. There's just me in there.
 2018-10-31 19:54:25 +01:00
Andreas Kling
819ce91395 Enough compatibility work to make figlet build and run! 
I ran out of steam writing library routines and imported two
BSD-licensed libc routines: sscanf() and getopt().

I will most likely rewrite them sooner or later. For now
I just wanted to see figlet running.
 2018-10-31 17:52:59 +01:00
Andreas Kling
bb90c8ecab A bunch of LibC boilerplate stuff added while trying to get figlet to build. 2018-10-31 02:09:11 +01:00
Andreas Kling
3218f00099 Implement basic sys$kill() and add a /bin/kill 
All it can do right now is send SIGKILL which just murders the target task.
 2018-10-31 01:06:57 +01:00
Andreas Kling
e904f193c1 Canonicalize the path used by sh. 
With a bunch of LibC work to support the feature. LibC now initializes
AK::StringImpl by default. It's now fine to use AK in LibC/Userland! :^)
 2018-10-28 09:36:21 +01:00
Andreas Kling
9a71c7759a Implement loading of linked ELF executables. 
This took me a couple hours. :^)

The ELF loading code now allocates a single region for the entire
file and creates virtual memory mappings for the sections as needed.

Very nice!
 2018-10-27 14:56:52 +02:00
Andreas Kling
1c45b28da6 Add sys$uname() and a /bin/uname utility. 2018-10-26 14:57:26 +02:00
Andreas Kling
dc6f57f19c Add gettimeofday() syscall and LibC wrappers gettimeofday() and time(). 
This only has second accuracy right now, I'll work out subseconds later.
 2018-10-25 17:36:18 +02:00
Andreas Kling
bca4b71bfa Lots of hacking to make a very simple "ls" utility. 
I added a dead-simple malloc that only allows allocations < 4096 bytes.
It just forwards the request to mmap() every time.

I also added simplified versions of opendir() and readdir().
 2018-10-24 12:50:07 +02:00
Andreas Kling
9a296d63f3 Add simplified mmap() and munmap() syscalls. 2018-10-24 09:48:41 +02:00
Andreas Kling
fe237ee215 Lots of hacking: 
- Turn Keyboard into a CharacterDevice (85,1) at /dev/keyboard.
- Implement MM::unmapRegionsForTask() and MM::unmapRegion()
- Save SS correctly on interrupt.
- Add a simple Spawn syscall for launching another process.
- Move a bunch of IO syscall debug output behind DEBUG_IO.
- Have ASSERT do a "cli" immediately when failing.
  This makes the output look proper every time.
- Implement a bunch of syscalls in LibC.
- Add a simple shell ("sh"). All it can do now is read a line
  of text from /dev/keyboard and then try launching the specified
  executable by calling spawn().

There are definitely bugs in here, but we're moving on forward.
 2018-10-23 10:12:50 +02:00
Andreas Kling
63764b3a65 Import very modest Userland. 2018-10-22 14:06:22 +02:00
Andreas Kling
4cbf079a17 Start work on a standard C library. I'm calling it... LibC. 2018-10-22 13:57:25 +02:00