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1218 Commits

Author SHA1 Message Date
Bananymous b576d373c4 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 522aa8e762 Kernel: add Thread::queue_signal() 2023-07-24 22:26:10 +03:00
Bananymous 146802fa4c Kernel: Scheduler can now block threads based on tid 2023-07-24 22:24:21 +03:00
Bananymous cc8af25d73 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 f5f4bf58ad Kernel: add is_tty() to inode 2023-07-24 22:19:59 +03:00
Bananymous 3784da0d18 Kernel: you can now ask process if it is userspace process 2023-07-23 18:54:10 +03:00
Bananymous 9eb72f4392 Kernel: OpenFileDesctiptor can now return inode of fd 2023-07-23 18:52:33 +03:00
Bananymous f7bf6d5e62 Kernel: Change signal kernel API 
return rsp and rip are now stored per thread
 2023-07-23 18:33:10 +03:00
Bananymous adb14ba373 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 7391d91317 Kernel/LibC: add SYS_SIGNAL/signal() 2023-07-21 20:08:13 +03:00
Bananymous 2149cec29f Kernel: Make signals more POSIX 2023-07-21 20:01:12 +03:00
Bananymous ad756c36fc Kernel/LibC: Add SYS_KILL/kill() 2023-07-21 19:27:38 +03:00
Bananymous b56316e9da Kernel: Scheduler now sends queued signals 2023-07-21 19:27:10 +03:00
Bananymous a989c44211 Kernel: Make signals thread specific 2023-07-21 19:00:59 +03:00
Bananymous 217e5f81cc Kernel: add default signal actions 2023-07-21 18:02:35 +03:00
Bananymous 5f2549b198 BuildSystem: Strip kernel. We will add the map once we use it 2023-07-21 15:47:31 +03:00
Bananymous dcd4d0daeb 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 faf4220b38 Kernel: kernel memory takes now full pml4e 
This allows flags to work properly
 2023-07-21 13:47:05 +03:00
Bananymous 193ddaa2f6 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After I added NXE bit, the flags mask is no longer valid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 46eb27883a Kernel: Don't map kernel executable memory as writable 2023-07-21 11:17:39 +03:00
Bananymous 2db7cdb71e Kernel: Syscalls now get the interrupt stack 2023-07-21 11:04:16 +03:00
Bananymous 5411c5aa4a BAN: Fix function call in Optional 2023-07-21 10:57:46 +03:00
Bananymous f8a1a10897 Kernel: add NullDevice to /dev/null 2023-07-20 00:06:22 +03:00
Bananymous adbe13938e Kernel: move Device.h to its own directory 2023-07-19 23:55:38 +03:00
Bananymous 4d5b14753d Kernel: cleanup sys_exec() 
We now scope everyting so desctructors get called
 2023-07-19 23:20:39 +03:00
Bananymous ba9fa00947 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 98cedf155c Kernel: FixedWidthAllocator creation can now fail 2023-07-19 18:07:24 +03:00
Bananymous 88e3998664 Kernel: VirtualRange creation can fail 2023-07-19 17:56:26 +03:00
Bananymous c0c0bbc1bf Kernel: SYS_FORK can now fail instead of panicing on error 2023-07-19 17:47:12 +03:00
Bananymous 650e1b4fc5 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 6c1ada8d0a Kernel: Enable global bit on kernel pages 2023-07-13 15:23:25 +03:00
Bananymous 7d00c2670f Kernel: Support execute disable bit 
We will now map executable memory explicitly as executable.
 2023-07-13 14:28:53 +03:00
Bananymous bca7e9a1e8 Kernel: CPUID can detect wether cpu supports nxe bit 2023-07-13 14:24:58 +03:00
Bananymous 3748f0304f Kernel: Fix multiple bugs with terminal 2023-07-13 13:09:52 +03:00
Bananymous 2576bdbd14 Kernel: Fix ATA disk and partition numbering 2023-07-13 12:12:47 +03:00
Bananymous e341a36287 Init: Use the new pwd.h api for user parsing 2023-07-13 12:01:41 +03:00
Bananymous bba09a3cd0 LibC: add getpwname() and getpwuid() 2023-07-13 12:01:16 +03:00
Bananymous 985df3532b LibC: implement endpwent(), getpwent() and setpwent() 2023-07-13 11:22:09 +03:00
Bananymous 72041a52e8 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 891144dac1 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 41e7b53903 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 6b0920e8c0 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 4285729d5c 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 a9c10d0751 Base: add empty directories with .gitkeep to base/ 2023-07-11 08:02:28 +03:00
Bananymous 74c79c7eff 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 9174a89971 BAN: Add iterators to HashMap 2023-07-10 23:16:41 +03:00
Bananymous 5c94a583bc Userspace: add basic 'touch' command 2023-07-10 16:38:15 +03:00
Bananymous 6e1fc2766f tee: indent with tabs 2023-07-10 16:18:08 +03:00
Bananymous d3bb00cb55 Userspace: Add basic tee command 2023-07-10 16:07:53 +03:00
Bananymous 5a5656b2d3 Kenrel: RamInode now implements truncate() 2023-07-10 16:07:09 +03:00