Bananymous
ab8aac7dcf
Kernel: GDT tss selector is now 16 bit value
2023-05-06 17:34:22 +03:00
Bananymous
f36b94d039
Kernel: MMU can now provide info about virtual address space
2023-05-06 17:34:22 +03:00
Bananymous
92daa831d1
Kernel: ISRs now print pid and tid
2023-05-06 00:10:15 +03:00
Bananymous
e7a170c89f
Kernel: 64 bit MMU now properly identity maps kernel
2023-05-05 14:19:28 +03:00
Bananymous
3c5d3eb8ad
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
55bb0084aa
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
acf5660090
Kernel: Add set_tss_stack() to 32 bit
2023-04-28 14:44:23 +03:00
Bananymous
9d7530662f
Kernel: dprintln file name is now relative
...
This makes file names much shorter
2023-04-28 14:43:19 +03:00
Bananymous
9cf09165b5
BAN: Add is_power_of_two to Math functions
2023-04-28 14:42:49 +03:00
Bananymous
e1a6e7c3ac
LibC: add proper stdlib.h header
...
Function declarations taken from the posix specifications
2023-04-27 15:14:03 +03:00
Bananymous
3537d53d5c
LibC: add link to posix stdio.h
2023-04-27 14:16:25 +03:00
Bananymous
c20ba3064d
Userspace: Simple stdio test
2023-04-25 14:50:26 +03:00
Bananymous
a22caa38d2
Kernel: Scheduler updates tss stack on thread execution
2023-04-25 14:49:50 +03:00
Bananymous
dc0f8b383f
Kernel: Usespace threads now have an interrupt stack
2023-04-25 14:49:18 +03:00
Bananymous
f1a0625b61
Kernel: TSS stack can be set after initialization
2023-04-25 14:48:12 +03:00
Bananymous
02b961fd7e
Kernel: Stack pointer out of bounds now panics with a message
2023-04-25 13:40:55 +03:00
Bananymous
1d42b26fce
LibC: Fix some bugs
2023-04-25 13:27:01 +03:00
Bananymous
6e01e04922
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
79812b34b0
LibC: fread() now does a single syscall
2023-04-25 12:38:08 +03:00
Bananymous
b7c2ea8d46
Kernel: Fix possible dead lock in Process::read()
2023-04-23 14:46:18 +03:00
Bananymous
cd74b2167d
LibC: Write mostly functioning stdio
2023-04-23 14:32:37 +03:00
Bananymous
9b2a577fc3
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
2dd09163e6
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
850ff93940
LibELF: Add 32 bit support
2023-04-22 19:00:18 +03:00
Bananymous
fb6add2b4a
Kernel: Fix 32 bit MMU
2023-04-22 18:22:39 +03:00
Bananymous
48445f12ac
Kernel: More proper paging in Elf loading
2023-04-22 18:17:44 +03:00
Bananymous
792fad2a03
Kernel: d{print,warn,error}ln(...) now has a spinlock
2023-04-22 17:58:51 +03:00
Bananymous
cc04990ce3
Kernel: Process now frees up its pages on destruction
2023-04-22 16:54:46 +03:00
Bananymous
7530482cc2
Kernel: Cleanup process creation for userspace
2023-04-22 16:51:50 +03:00
Bananymous
33d8c518e9
Kernel: Fix some deadlocks in the Process
2023-04-22 16:19:57 +03:00
Bananymous
e0ce2394fe
Kernel: Remove obsolete userspace stuff from kernel
2023-04-22 15:38:45 +03:00
Bananymous
fadce063a7
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
ef0263e32d
LibELF: Header printing can now be turned off
2023-04-22 15:34:09 +03:00
Bananymous
4588e25d27
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
ff8c0086e2
LibC: puts() now just calls syscall(SYS_WRITE, ...)
2023-04-22 15:29:38 +03:00
Bananymous
dc1b7cf08f
LibC: syscalls have now proper argument order
2023-04-22 15:29:15 +03:00
Bananymous
26fe6ad898
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
fc71d2f7c4
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
35e949ef5e
Kernel: Fix syscall return value in 32 bit
2023-04-21 11:08:02 +03:00
Bananymous
9c506ef85b
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
b1c7af38d0
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
ea0c9b639f
Kernel: Add some bareboness functionality to map virtual addresses
2023-04-19 23:51:36 +03:00
Bananymous
0030f035be
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
c26529ae86
Kernel: kmalloc will always print debug on failed alloc
2023-04-19 18:05:01 +03:00
Bananymous
7d57d2fcfb
LibELF: remove unused file
2023-04-19 17:32:12 +03:00
Bananymous
e8a0df54b1
Kernel: ATAController will fail to initialize in native mode
2023-04-19 17:29:36 +03:00
Bananymous
33393335c8
Kernel: PCI devices now report their prog_if
2023-04-19 16:43:05 +03:00
Bananymous
c5b02bb9f5
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
a1047918d2
Kernel: Shell now has exit() command
2023-04-19 12:53:09 +03:00
Bananymous
fd81e31050
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