Andreas Kling 153ea704af Add some basic signal support. ...

It only works for sending a signal to a process that's in userspace code.

We implement reception by synthesizing a PUSHA+PUSHF in the receiving process
(operating on values in the TSS.)
The TSS CS:EIP is then rerouted to the signal handler and a tiny return
trampoline is constructed in a dedicated region in the receiving process.

Also hacked up /bin/kill to be able to send arbitrary signals (kill -N PID)

2018-11-06 10:56:41 +01:00

..

Boot

Enable A20 line at boot.

2018-10-27 14:09:33 +02:00

_fs_contents.stock

Stop committing changes to _fs_contents and generate it in the sync script.

2018-10-28 01:21:15 +02:00

_start.cpp

Import the "gerbert" kernel I worked on earlier this year.

2018-10-16 11:02:00 +02:00

.bochsrc

Add gettimeofday() syscall and LibC wrappers gettimeofday() and time().

2018-10-25 17:36:18 +02:00

.gitignore

Stop committing changes to _fs_contents and generate it in the sync script.

2018-10-28 01:21:15 +02:00

Assertions.h

Add a simple IDEDiskDevice class that implements DiskDevice from VFS.

2018-10-16 14:17:43 +02:00

CMOS.cpp

Import the "gerbert" kernel I worked on earlier this year.

2018-10-16 11:02:00 +02:00

CMOS.h

Import the "gerbert" kernel I worked on earlier this year.

2018-10-16 11:02:00 +02:00

Console.cpp

Fix bug where Console::the() was initialized too late.

2018-10-30 23:02:06 +01:00

Console.h

Add a kmalloc_eternal() for things that will never be destroyed.

2018-10-31 23:19:15 +01:00

Disk.cpp

Process now maps regions immediately when they are allocated.

2018-11-01 13:15:46 +01:00

Disk.h

Remove old DatBuffer class.

2018-10-25 10:50:30 +02:00

errno.h

Add basic symlink support.

2018-10-28 14:11:51 +01:00

ext2fs.h

Import the "gerbert" kernel I worked on earlier this year.

2018-10-16 11:02:00 +02:00

i386.cpp

Only COW on fault if the physical page has retain_count > 1.

2018-11-05 14:11:21 +01:00

i386.h

Implement COW pages! :^)

2018-11-05 13:48:07 +01:00

i8253.cpp

Process now maps regions immediately when they are allocated.

2018-11-01 13:15:46 +01:00

i8253.h

Import the "gerbert" kernel I worked on earlier this year.

2018-10-16 11:02:00 +02:00

IDEDiskDevice.cpp

Snazz up the kprintf() output a bit by giving it its own color.

2018-10-31 20:14:23 +01:00

IDEDiskDevice.h

Add a simple IDEDiskDevice class that implements DiskDevice from VFS.

2018-10-16 14:17:43 +02:00

init.cpp

Implement COW pages! :^)

2018-11-05 13:48:07 +01:00

InlineLinkedList.h

Generate a basic /proc/summary file with some info about all tasks.

2018-10-23 12:44:46 +02:00

IO.h

Make IO helpers inline and use immediate-encoded ports when possible.

2018-11-02 10:14:26 +01:00

IRQHandler.cpp

Add IRQHandler class that can be subclasses to handle an IRQ.

2018-10-22 12:58:29 +02:00

IRQHandler.h

Add IRQHandler class that can be subclasses to handle an IRQ.

2018-10-22 12:58:29 +02:00

kassert.h

Move assertion failures out-of-line to reduce binary bloat.

2018-11-04 13:12:58 +01:00

Keyboard.cpp

Basic ^C interrupt implementation.

2018-11-02 14:06:48 +01:00

Keyboard.h

Basic ^C interrupt implementation.

2018-11-02 14:06:48 +01:00

kmalloc.cpp

Fix dumb-but-hard-to-find bug in paging.

2018-11-03 00:35:57 +01:00

kmalloc.h

Give each task its own page directory.

2018-11-01 09:01:51 +01:00

kprintf.cpp

Fix broken SpinLock.

2018-10-29 22:04:26 +01:00

kprintf.h

Fix broken SpinLock.

2018-10-29 22:04:26 +01:00

kstdio.h

Move kprintf to its own file. It has nothing to do with VGA anymore.

2018-10-22 13:20:35 +02:00

ktime.h

Fix some minor build warnings.

2018-10-17 16:48:43 +02:00

linker.ld

Import the "gerbert" kernel I worked on earlier this year.

2018-10-16 11:02:00 +02:00

Makefile

Merge ExecSpace into ELFLoader.

2018-11-04 13:52:53 +01:00

MemoryManager.cpp

Add some basic signal support.

2018-11-06 10:56:41 +01:00

MemoryManager.h

Only COW on fault if the physical page has retain_count > 1.

2018-11-05 14:11:21 +01:00

mkmap.sh

Add a very hackish /proc/PID/stack.

2018-10-26 22:33:15 +02:00

PIC.cpp

A lot of hacking:

2018-10-22 11:15:16 +02:00

PIC.h

Add a PIC::getISR() helper.

2018-10-17 16:54:49 +02:00

Process.cpp

Add some basic signal support.

2018-11-06 10:56:41 +01:00

Process.h

Add some basic signal support.

2018-11-06 10:56:41 +01:00

ProcFileSystem.cpp

Only COW on fault if the physical page has retain_count > 1.

2018-11-05 14:11:21 +01:00

ProcFileSystem.h

Process now maps regions immediately when they are allocated.

2018-11-01 13:15:46 +01:00

Queue.h

Import the "gerbert" kernel I worked on earlier this year.

2018-10-16 11:02:00 +02:00

RTC.cpp

Add assertion that RTC year is >= 2018.

2018-10-31 00:27:28 +01:00

RTC.h

Add gettimeofday() syscall and LibC wrappers gettimeofday() and time().

2018-10-25 17:36:18 +02:00

run

Allow running in QEMU with "./run q"

2018-10-17 16:58:35 +02:00

StdLib.cpp

Fix busted display of tty names in /proc/summary.

2018-10-31 22:43:49 +01:00

StdLib.h

Implement COW pages! :^)

2018-11-05 13:48:07 +01:00

sync-local.sh

Enough compatibility work to make figlet build and run!

2018-10-31 17:52:59 +01:00

sync.sh

Replace zones with individually tracked physical pages.

2018-11-05 10:23:00 +01:00

Syscall.cpp

Add some basic signal support.

2018-11-06 10:56:41 +01:00

Syscall.h

Add some basic signal support.

2018-11-06 10:56:41 +01:00

system.h

Add a kmalloc_eternal() for things that will never be destroyed.

2018-10-31 23:19:15 +01:00

TSS.h

Share code between spawn() and exec() implementations.

2018-11-03 10:55:02 +01:00

TTY.cpp

Basic ^C interrupt implementation.

2018-11-02 14:06:48 +01:00

TTY.h

Basic ^C interrupt implementation.

2018-11-02 14:06:48 +01:00

types.h

Implement COW pages! :^)

2018-11-05 13:48:07 +01:00

VGA.cpp

Process now maps regions immediately when they are allocated.

2018-11-01 13:15:46 +01:00

VGA.h

Virtual consoles kinda work!

2018-10-30 15:33:37 +01:00

VirtualConsole.cpp

Basic ^C interrupt implementation.

2018-11-02 14:06:48 +01:00

VirtualConsole.h

Basic ^C interrupt implementation.

2018-11-02 14:06:48 +01:00