Commit Graph

1319 Commits

Author SHA1 Message Date
Bananymous
f6ee4b3496 Kernel: Implement SYS_GET_PID and SYS_TCSETPGID
we don't have consept of process groups yet
2023-07-24 22:29:59 +03:00
Bananymous
1ef0534b69 Kernel: TTY now stores foreground process pid
this will be process pgid when we have process groups
2023-07-24 22:29:59 +03:00
Bananymous
b9dd1895bb Kernel: add Thread::queue_signal() 2023-07-24 22:26:10 +03:00
Bananymous
be47743dfa Kernel: Scheduler can now block threads based on tid 2023-07-24 22:24:21 +03:00
Bananymous
57798e5d76 Kernel: remove Semaphore::is_blocked
this will not mean anything after semaphores can spuriously wake up
2023-07-24 22:23:13 +03:00
Bananymous
cd64c1cfec Kernel: add is_tty() to inode 2023-07-24 22:19:59 +03:00
Bananymous
f76d921e25 Kernel: you can now ask process if it is userspace process 2023-07-23 18:54:10 +03:00
Bananymous
a2bf474013 Kernel: OpenFileDesctiptor can now return inode of fd 2023-07-23 18:52:33 +03:00
Bananymous
9729e5a05b Kernel: Change signal kernel API
return rsp and rip are now stored per thread
2023-07-23 18:33:10 +03:00
Bananymous
2dce0a0415 Kernel: Userspace signal handlers are now called one at a time
I added a syscall for telling the kernel when signal execution has
finished. We should send a random hash or id to the signal trampoline
that we would include in the syscall, so validity of signal exit can
be confirmed.
2023-07-23 13:34:53 +03:00
Bananymous
d560137ae6 Kernel/LibC: add SYS_SIGNAL/signal() 2023-07-21 20:08:13 +03:00
Bananymous
c12f4fb40f Kernel: Make signals more POSIX 2023-07-21 20:01:12 +03:00
Bananymous
10169d773d Kernel/LibC: Add SYS_KILL/kill() 2023-07-21 19:27:38 +03:00
Bananymous
b78596dcf4 Kernel: Scheduler now sends queued signals 2023-07-21 19:27:10 +03:00
Bananymous
40f7c6b8fa Kernel: Make signals thread specific 2023-07-21 19:00:59 +03:00
Bananymous
8063700d7b Kernel: add default signal actions 2023-07-21 18:02:35 +03:00
Bananymous
70f89ed1fc BuildSystem: Strip kernel. We will add the map once we use it 2023-07-21 15:47:31 +03:00
Bananymous
c2cf98e32f Kernel/LibC: Add bareboness signals
You can now call raise() to raise a signal. Signal handlers are
not yet supported, but the handling works :)
2023-07-21 15:45:02 +03:00
Bananymous
a1db032ba9 Kernel: kernel memory takes now full pml4e
This allows flags to work properly
2023-07-21 13:47:05 +03:00
Bananymous
5babd7b4f2 Kernel: remove PAGE_FLAGS_MASK as that was not correct anymore
After I added NXE bit, the flags mask is no longer valid
2023-07-21 12:01:50 +03:00
Bananymous
c0029a2fa2 Kernel: Don't map kernel executable memory as writable 2023-07-21 11:17:39 +03:00
Bananymous
4e35b8b49d Kernel: Syscalls now get the interrupt stack 2023-07-21 11:04:16 +03:00
Bananymous
21c6135ae2 BAN: Fix function call in Optional 2023-07-21 10:57:46 +03:00
Bananymous
b02c486ad0 Kernel: add NullDevice to /dev/null 2023-07-20 00:06:22 +03:00
Bananymous
08cd285ca6 Kernel: move Device.h to its own directory 2023-07-19 23:55:38 +03:00
Bananymous
94af856db0 Kernel: cleanup sys_exec()
We now scope everyting so desctructors get called
2023-07-19 23:20:39 +03:00
Bananymous
bf5d74b8bc Kernel: fix memory leak in PageTable
PageTable used to leak 2 pages on creation and other two on deletion
2023-07-19 23:17:39 +03:00
Bananymous
fd9210ba9e Kernel: FixedWidthAllocator creation can now fail 2023-07-19 18:07:24 +03:00
Bananymous
66d9260257 Kernel: VirtualRange creation can fail 2023-07-19 17:56:26 +03:00
Bananymous
5d2bfc858e Kernel: SYS_FORK can now fail instead of panicing on error 2023-07-19 17:47:12 +03:00
Bananymous
8b34880064 Kernel: Fix bug which made bochs unbootable
We could not boot if ATABus did not have valid primary device.
2023-07-13 15:53:09 +03:00
Bananymous
98c698d9ec Kernel: Enable global bit on kernel pages 2023-07-13 15:23:25 +03:00
Bananymous
9ea2c1d932 Kernel: Support execute disable bit
We will now map executable memory explicitly as executable.
2023-07-13 14:28:53 +03:00
Bananymous
297e65f19a Kernel: CPUID can detect wether cpu supports nxe bit 2023-07-13 14:24:58 +03:00
Bananymous
65559a3e44 Kernel: Fix multiple bugs with terminal 2023-07-13 13:09:52 +03:00
Bananymous
c3a71e94a9 Kernel: Fix ATA disk and partition numbering 2023-07-13 12:12:47 +03:00
Bananymous
fb4b363a16 Init: Use the new pwd.h api for user parsing 2023-07-13 12:01:41 +03:00
Bananymous
4154f43b49 LibC: add getpwname() and getpwuid() 2023-07-13 12:01:16 +03:00
Bananymous
b1fcb0b58f LibC: implement endpwent(), getpwent() and setpwent() 2023-07-13 11:22:09 +03:00
Bananymous
00409ffa60 Kernel: Ext2Inode::create_file actually sets the inode data
We used to just create inode without touching its memory.
2023-07-13 10:20:56 +03:00
Bananymous
16acd50559 BAN: Iterators are now single general type with CONST template
This allows us to use the same base class for iterator and
const_iterator which were practically the same code.
2023-07-12 13:35:21 +03:00
Bananymous
5df48804e1 BAN: add either_or and either_or_t
This allows you to select type depending on constexpr evaluatable
boolean
2023-07-12 13:34:31 +03:00
Bananymous
9eab6710ce BAN: Implement ConstIteratorDouble and add it to HashMap
This is same as IteratorDouble except it uses const_iterator and does
not return non-const references.
2023-07-12 11:41:05 +03:00
Bananymous
65424a6769 BAN: Generalize HashMapIterator to IteratorDouble
This iterator should be able to iterate any container within container
with type iterator defined.

This also fixed bug if first entry in outer container is empty container.
2023-07-12 09:29:05 +03:00
Bananymous
12d53ac233 Base: add empty directories with .gitkeep to base/ 2023-07-11 08:02:28 +03:00
Bananymous
9bcfb34524 Kernel: Rewrite whole device structure
We now have DevFileSystem which is derived from RamFileSystem. All
devices are RamInodes. We don't have separate DeviceManager anymore.
To iterate over devices, you can loop througn every inode in devfs.
2023-07-10 23:17:14 +03:00
Bananymous
f88b9ae4f2 BAN: Add iterators to HashMap 2023-07-10 23:16:41 +03:00
Bananymous
8cd91f5a6a Userspace: add basic 'touch' command 2023-07-10 16:38:15 +03:00
Bananymous
f65e5f4190 tee: indent with tabs 2023-07-10 16:18:08 +03:00
Bananymous
f521a98157 Userspace: Add basic tee command 2023-07-10 16:07:53 +03:00