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32 Commits

Author SHA1 Message Date
Andreas Kling
500df578fe LibGUI+Kernel: Add a GLock class (userspace mutex.) 
It's basically a userspace port of the kernel's Lock class.
Added gettid() and donate() syscalls to support the timeslice donation
feature we already enjoyed in the kernel.
 2019-03-25 13:03:49 +01:00
Andreas Kling
424368034b LibC: Make errno codes be #defines instead of enum values. 
It turns out that a lot of 3rd party software does things like:

    #ifdef EINTR
        ...
    #endif

This won't work if EINTR is an enum. So much for that nice idea.
 2019-02-26 22:40:35 +01:00
Andreas Kling
a356746d04 Compat work towards porting vim. 2019-02-26 15:57:59 +01:00
Andreas Kling
cccc8d8aeb More compat work. 
Move syscall to int 0x82 since using int 0x80 was kinda prone to fork bombs
when building things on Linux. :^)
 2019-02-26 12:57:02 +01:00
Andreas Kling
93c0dfd1d7 LibC: A bunch of compat work towards porting GCC. 2019-02-24 15:20:07 +01:00
Andreas Kling
75b100673f Switch over to building everything with i686-elf-g++. 2019-02-22 10:45:32 +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
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
dddd0e7b03 Get nyancat nyanning in Serenity. 
I found a cute program that renders an animated nyancat in the terminal.
This patch adds enough hackery to get it working correctly. :^)
 2019-02-03 16:11:28 +01:00
Andreas Kling
ab56f36bfb LibC: strdup() forgot to allocate space for the null character. 2019-02-03 11:49:23 +01:00
Andreas Kling
c2adfd0e2d LibC: Implement various things to get GNU bc building and running. 
Looks like that's all we needed, and bc now runs. :^)
 2019-02-03 04:32:31 +01:00
Andreas Kling
76f53b40f4 LibC: Add some things needed to build GNU bc. 
This patch adds vprintf(), sig_atomic_t, random() and strdup().
bc doesn't build yet, but it will.
 2019-02-01 16:03:21 +01:00
Andreas Kling
ffab6897aa Big, possibly complete sweep of naming changes. 2019-01-31 17:31:23 +01:00
Andreas Kling
c7ded89f05 LibC: Support backwards copy in memmove(). 2019-01-23 08:31:23 +01:00
Andreas Kling
14712ad9c5 Let's do dword-at-a-time memcpy() and memset() in userspace as well. 
Also fix a dumb bug that showed up when I was memsetting something other
than zeroes.
 2019-01-15 08:14:44 +01:00
Andreas Kling
303577df16 Various stubs while trying to get an old coreutils to build. 2018-11-17 15:56:09 +01:00
Andreas Kling
18e3ddf605 Add a naive /bin/fgrep for testing pipes. 2018-11-11 20:42:41 +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
e9cdb6bb9b Fix all current build warnings in LibC. 2018-11-09 10:09:46 +01:00
Andreas Kling
7c3746592b Add strsignal() and improve sharing signal numbers between LibC and kernel. 2018-11-06 15:45:16 +01:00
Andreas Kling
8d1f8b2518 Add sys_nerr and sys_errlist. 
Also keep the canonical errno list in LibC for now. The kernel gets it
from there. This makes building 3rd party code easier.

..also fix broken strchr().
 2018-11-06 14:42:28 +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
8039a20611 Tiny LibC things. 2018-11-05 14:54:11 +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
9160fd0d47 More LibC portability work while trying to get figlet building. 2018-10-31 10:14:56 +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
2749e7f1c2 Implement sys$chdir() and teach sh+ls to cd around and browse different dirs. 2018-10-26 14:24:11 +02:00
Andreas Kling
ac738b03d6 Add memcpy() and strcmp() to LibC. 2018-10-26 13:32:13 +02:00
Andreas Kling
53abfa7ea1 Add sys$gethostname and /bin/hostname 2018-10-26 09:54:29 +02:00
Andreas Kling
260b14e505 Implement errno in LibC. 
This also meant I had to implement BSS (SHT_NOBITS) sections in ELFLoader.
I also added an strerror() so we can print out what the errors are.
 2018-10-25 12:06:50 +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