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21 commits

Author SHA1 Message Date
Jonas 'Sortie' Termansen
e230854ee9 Removed the idle program. 2012-09-08 18:45:41 +02:00
Jonas 'Sortie' Termansen
ce43f9c306 Add chvideomode(1) using the /dev/video interface. 2012-07-30 19:00:24 +02:00
Jonas 'Sortie' Termansen
fa6d445b0d Added type(1), a replacement for the "traditional" Sortix cat(1).
cat(1) now work as you would expect.
2012-03-16 15:56:09 +01:00
Jonas 'Sortie' Termansen
87248fbce9 Aded kernelinfo(1) as a frontend of kernelinfo(2). 2012-03-07 18:20:40 +01:00
Jonas 'Sortie' Termansen
617c4333c6 Added head(1), tail(1). 2012-03-03 00:29:24 +01:00
Jonas 'Sortie' Termansen
caddf8c191 Added column(1). 2012-03-01 14:36:56 +01:00
Jonas 'Sortie' Termansen
081bb6481c Added pwd(1). 2012-03-01 00:27:30 +01:00
Jonas 'Sortie' Termansen
d6d404f3f0 Added a simple pager program while we wait for less(1) to be ported. 2011-12-26 17:23:40 +01:00
Steve Dougherty
567786d26b Added calc, an integer-based reverse polish notation calculator. 2011-12-17 11:40:16 +01:00
Jonas 'Sortie' Termansen
8c146f14c0 Added uptime(1). 2011-11-28 16:29:53 +01:00
Jonas 'Sortie' Termansen
9152443816 Added memstat, a program for displaying memory usage. 2011-11-26 20:14:57 +01:00
Jonas 'Sortie' Termansen
867627c085 Added echo(1). 2011-11-26 00:54:17 +01:00
Jonas 'Sortie' Termansen
2b032b0414 Initial signal support. Please squash improvements into this commit. 2011-11-23 00:19:09 +01:00
Jonas 'Sortie' Termansen
8b2b52b9f6 Added unlink(2) and rm(1). 2011-11-21 19:01:56 +01:00
Jonas 'Sortie' Termansen
66f6055a13 Added cp(1). 2011-11-21 14:57:02 +01:00
Jonas 'Sortie' Termansen
5714eaa882 Added a simple text editor that can save/load files. 2011-11-19 00:57:17 +01:00
Jonas 'Sortie' Termansen
2afe9d1fd6 Implemented the fork() system call and what it needed to work properly.
This commit got completely out of control.

Added the fork(), getpid(), getppid(), sleep(), usleep() system calls, and
aliases in the Maxsi:: namespace.

Fixed a bug where zero-byte allocation would fail.

Worked on the DescriptorTable class which now works and can fork.

Got rid of some massive print-registers statements and replaced them with
the portable InterruptRegisters::LogRegisters() function.

Removed the SysExecuteOld function and replaced it with Process::Execute().

Rewrote the boot sequence in kernel.cpp such that it now loads the system
idle process 'idle' as PID 0, and the initization process 'init' as PID 1.

Rewrote the SIGINT hack.

Processes now maintain a family-tree structure and keep track of their
threads. PIDs are now allocated using a simple hack. Virtual memory
per-process can now be allocated using a simple hack. Processes can now be
forked. Fixed the Process::Execute function such that it now resets the
stack pointer to where the stack actually is - not just a magic value.
Removed the old and ugly Process::_endcodesection hack.

Rewrote the scheduler into a much cleaner and faster version. Debug code is
now moved to designated functions. The noop kernel-thread has been replaced
by a simple user-space infinite-loop program 'idle'.

The Thread class has been seperated from the Scheduler except in Scheduler-
related code. Thread::{Save,Load}Registers has been improved and has been
moved to $(CPU)/thread.cpp. Threads can now be forked. A new CreateThread
function creates threads properly and portably.

Added a MicrosecondsSinceBoot() function.

Fixed a crucial bug in MemoryManagement::Fork().

Added an 'idle' user-space program that is a noop infinite loop, which is
used by the scheduler when there is nothing to do.

Rewrote the 'init' program such that it now forks off a shell, instead of
becoming the shell.

Added the $$ (current PID) and $PPID (parent PPID) variables to the shell.
2011-11-01 01:00:20 +01:00
Jonas 'Sortie' Termansen
7037b2f002 Userspace program's makefiles now properly delete from initrd/. 2011-09-06 15:55:56 +02:00
Jonas 'Sortie' Termansen
f26e6e803a The Sortix programs are now compiled into initrd/. 2011-08-28 12:42:06 +02:00
Jonas 'Sortie' Termansen
2c18d43359 Added the programs ls and help. 2011-08-28 12:38:01 +02:00
Jonas 'Sortie' Termansen
34e9ca277d Added a shell, a few programs, and added support for SIGINT. 2011-08-28 12:38:01 +02:00