Bananymous
0cb53efa01
Kernel: 64 bit MMU now properly identity maps kernel
2023-05-05 14:19:28 +03:00
Bananymous
4e859bedbc
Kernel: TTY input process is now single instance
...
Process sends key events to the active (currently only) tty
2023-04-30 16:11:14 +03:00
Bananymous
f139fc2229
Kernel: namespace and function renames
...
MMU moved to namespace kernel
Kernel::Memory::Heap moved to just Kernel
MMU::map_{page,range} renamed to identity_map_{page,range}
Add MMU::get_page_flags
2023-04-28 14:48:38 +03:00
Bananymous
e48acbb03b
Kernel: Add set_tss_stack() to 32 bit
2023-04-28 14:44:23 +03:00
Bananymous
d1155c968e
Kernel: dprintln file name is now relative
...
This makes file names much shorter
2023-04-28 14:43:19 +03:00
Bananymous
88a2c60065
BAN: Add is_power_of_two to Math functions
2023-04-28 14:42:49 +03:00
Bananymous
5bfcf6783e
LibC: add proper stdlib.h header
...
Function declarations taken from the posix specifications
2023-04-27 15:14:03 +03:00
Bananymous
94f8a657f1
LibC: add link to posix stdio.h
2023-04-27 14:16:25 +03:00
Bananymous
7fac2a7526
Userspace: Simple stdio test
2023-04-25 14:50:26 +03:00
Bananymous
46dcf98fc1
Kernel: Scheduler updates tss stack on thread execution
2023-04-25 14:49:50 +03:00
Bananymous
58ce907327
Kernel: Usespace threads now have an interrupt stack
2023-04-25 14:49:18 +03:00
Bananymous
6ecc8cac0e
Kernel: TSS stack can be set after initialization
2023-04-25 14:48:12 +03:00
Bananymous
bd95f17426
Kernel: Stack pointer out of bounds now panics with a message
2023-04-25 13:40:55 +03:00
Bananymous
0718bea5a1
LibC: Fix some bugs
2023-04-25 13:27:01 +03:00
Bananymous
175f07cd2f
Kernel: Fix bug in Process::create_userspace()
...
We used to write more than we needed to. This could lead to unwanted
page faults
2023-04-25 13:21:28 +03:00
Bananymous
7b19d6e479
LibC: fread() now does a single syscall
2023-04-25 12:38:08 +03:00
Bananymous
77c83e5552
Kernel: Fix possible dead lock in Process::read()
2023-04-23 14:46:18 +03:00
Bananymous
b15deb420f
LibC: Write mostly functioning stdio
2023-04-23 14:32:37 +03:00
Bananymous
b38989d594
Kernel: Add ASSERTion to Process::exit()
...
This is just so I don't forget that exit can currently only
be called on the executing thread itself
2023-04-22 19:05:27 +03:00
Bananymous
79e6de325f
Kernel: Process can now load 32 bit elf files on i386
...
We are page faulting on process exit but I'm investigating
the reason.
2023-04-22 19:03:30 +03:00
Bananymous
163d2e4ba8
LibELF: Add 32 bit support
2023-04-22 19:00:18 +03:00
Bananymous
4f8f3ddc29
Kernel: Fix 32 bit MMU
2023-04-22 18:22:39 +03:00
Bananymous
82a1a29260
Kernel: More proper paging in Elf loading
2023-04-22 18:17:44 +03:00
Bananymous
8a5608df91
Kernel: d{print,warn,error}ln(...) now has a spinlock
2023-04-22 17:58:51 +03:00
Bananymous
3f1c0ec91b
Kernel: Process now frees up its pages on destruction
2023-04-22 16:54:46 +03:00
Bananymous
1406a75a92
Kernel: Cleanup process creation for userspace
2023-04-22 16:51:50 +03:00
Bananymous
8001493df3
Kernel: Fix some deadlocks in the Process
2023-04-22 16:19:57 +03:00
Bananymous
8c1f5bfe1e
Kernel: Remove obsolete userspace stuff from kernel
2023-04-22 15:38:45 +03:00
Bananymous
ec8b9640e2
Kernel: Usespace programs are now ran through ELF files
...
only 64 bit elf files are supported for now.
2023-04-22 15:35:32 +03:00
Bananymous
4ae1332a43
LibELF: Header printing can now be turned off
2023-04-22 15:34:09 +03:00
Bananymous
10c884bba4
LibELF: ELF now has methods for accessing more attributes
...
You can now access the program headers and the memory itself
2023-04-22 15:31:05 +03:00
Bananymous
c15f031c3f
LibC: puts() now just calls syscall(SYS_WRITE, ...)
2023-04-22 15:29:38 +03:00
Bananymous
1b4c744974
LibC: syscalls have now proper argument order
2023-04-22 15:29:15 +03:00
Bananymous
d9068eebb5
Kernel: kmalloc does not dump stack trace
...
dump_stack_trace() page faults and i dont feel like debugging this
now :)
2023-04-21 13:45:13 +03:00
Bananymous
3ad0d2328d
Kernel: Don't call 'cli' on interrupt
...
This is automatically done because we are using interrupt gates
in the IDT
2023-04-21 11:18:08 +03:00
Bananymous
3f2beb4547
Kernel: Fix syscall return value in 32 bit
2023-04-21 11:08:02 +03:00
Bananymous
be14a6c239
Kernel: Stack pointer is validated when updated
...
This allows us not to fail stack pointer when in syscall since
interrupts use their own stack
2023-04-21 10:40:24 +03:00
Bananymous
3aa0eeb4a3
Kernel: Add barebones per process virtual addresses
...
We now assign every (userspace) process its own MMU which we load
in scheduler. This allows every process to have separate virtual
address space.
This is very hackish implementations but it works for now
2023-04-20 00:45:41 +03:00
Bananymous
b3eeb6412f
Kernel: Add some bareboness functionality to map virtual addresses
2023-04-19 23:51:36 +03:00
Bananymous
d38470c8e2
Kernel: Rename MMU::{un,}allocate... to MMU::{un,}map
...
This is more appropriate name for the behaviour :D
2023-04-19 21:50:30 +03:00
Bananymous
a159c980ee
Kernel: kmalloc will always print debug on failed alloc
2023-04-19 18:05:01 +03:00
Bananymous
a993d997ad
LibELF: remove unused file
2023-04-19 17:32:12 +03:00
Bananymous
4475e3e184
Kernel: ATAController will fail to initialize in native mode
2023-04-19 17:29:36 +03:00
Bananymous
cf0320e47d
Kernel: PCI devices now report their prog_if
2023-04-19 16:43:05 +03:00
Bananymous
cd03a95128
Kernel: Shell fix file reading
...
We were reading 8 bytes at a time instead of the 1024 we were
supposed to :DD
2023-04-19 14:09:23 +03:00
Bananymous
51e299c7e3
Kernel: Shell now has exit() command
2023-04-19 12:53:09 +03:00
Bananymous
6f65453fd4
Kernel: Fix Process::exit() and where it is called from
...
cksum doesn't seem to work anymore on big files. I have to look
into this. It locks up after couple of seconds...
2023-04-19 12:52:21 +03:00
Bananymous
67e0c21e0f
Update README.md
...
Add cool badges :D
2023-04-19 00:46:42 +03:00
Bananymous
702016a6e3
LibC: exit() calls _fini()
2023-04-19 00:42:00 +03:00
Bananymous
d74ce4950c
Kernel: We now launch Shell again on boot
...
Adding this just before push :D
2023-04-19 00:41:24 +03:00
