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17 commits

Author SHA1 Message Date
Jonas 'Sortie' Termansen
13c0ab638a Sort the output of ls(1). 2012-09-08 18:45:52 +02:00
Jonas 'Sortie' Termansen
17a93359dd Add . and .. support to kernel filesystems.
This makes the hack in ls(1) not needed and is hence removed.
2012-09-08 18:45:52 +02:00
Jonas 'Sortie' Termansen
92c5533820 Improved the implementation of the exec* functions. 2012-04-30 21:10:02 +02:00
Jonas 'Sortie' Termansen
c403c1d798 Greatly improved ls(1). 2012-03-11 17:58:25 +01:00
Jonas 'Sortie' Termansen
cadac5ce2a Moved the /bin and /dev hack into the kernel.
This makes ls seem less hacky.
2012-03-11 17:25:32 +01:00
Jonas 'Sortie' Termansen
dc0f78f6b7 Added copyright headers to benchmarks, games and utilities.
It's all GPLv3 or later.
2012-03-11 15:57:13 +01:00
Jonas 'Sortie' Termansen
0ed0082070 Added execv(3) and execve(3).
Removed the older libmaxsi system call.
2012-03-02 15:00:11 +01:00
Jonas 'Sortie' Termansen
158909033e ls(1) now pipe(2) into column(1) if stdout(3) isatty(2).
This saves precious screen space as Sortix only supports 25-line ttys.
2012-03-01 14:37:28 +01:00
Jonas 'Sortie' Termansen
ff9221de1a Updated ls(1) to use the DIR API. 2012-01-15 00:51:35 +01:00
Jonas 'Sortie' Termansen
d4231b2027 Added program_invocation_name(3), error(3), and perror(3) and used them. 2011-11-26 11:00:45 +01:00
Jonas 'Sortie' Termansen
9f35df813e Implemented errno(3), added support in both kernel and utils. 2011-11-22 17:26:47 +01:00
Jonas 'Sortie' Termansen
55240fb3f5 Added devfs, with files /tty and /null and mounted it at /dev. 2011-11-21 21:49:13 +01:00
Jonas 'Sortie' Termansen
d4590cefa1 Added chdir(2), getcwd(2), which mxsh and ls now uses. 2011-11-21 12:19:57 +01:00
Jonas 'Sortie' Termansen
23fde42249 Added readdirents(2), which ls(1) now uses, and added dir devices.
The initfs and ramfs are now able to list their contents.
2011-11-21 00:02:53 +01:00
Jonas 'Sortie' Termansen
f9e10ab265 Added an API for user-space to list the initrd, and 'ls' does so now. 2011-11-03 18:26:43 +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
2c18d43359 Added the programs ls and help. 2011-08-28 12:38:01 +02:00