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29 commits

Author SHA1 Message Date
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