Sinipelto/banan-os
1
0
Fork 0
forked from Bananymous/banan-os
Code Pull Requests Activity
755 Commits 1 Branch 0 Tags
3fe67e4882d306391bf4306f491bce668413227d
Commit Graph

755 Commits

This Branch
This Branch
All Branches
Author SHA1 Message Date
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
Bananymous
160315c4d0 Update README.md 
Add cool badges :D
 2023-04-19 00:46:42 +03:00
Bananymous
d9b7747fc5 LibC: exit() calls _fini() 2023-04-19 00:42:00 +03:00
Bananymous
dcce18799f Kernel: We now launch Shell again on boot 
Adding this just before push :D
 2023-04-19 00:41:24 +03:00
Bananymous
a9a15ea2c0 Kernel: init2 is now launched as a process instead of thread 
Also only process can now add threads to scheduler. Nobody should
have raw access to scheduler and everything should be through
Process::current() or irqs (reschedules)
 2023-04-19 00:39:06 +03:00
Bananymous
d63716db96 Kernel: Process is not reference counted any more 
This was not necessary and it made things needlessly complicated
 2023-04-19 00:34:18 +03:00
Bananymous
3ca623349a BAN: Add {TRY,MUST}_REF for references 
It is annoying that we have to have separate macros for these but
I can't find a way to cleanly return lvalue reference from statement
expression. Currently we cast the reference to pointer and return
unreference the pointer outside of the expression.

This feature will probably not be used any time soon, but atleas
it is implemented if I need it one day
 2023-04-19 00:31:15 +03:00
Bananymous
121f4bc1dd BAN: TRY and MUST macros use rvalue references 2023-04-19 00:11:15 +03:00
Bananymous
8e31ef9905 BAN: Add specialization for ErrorOr<LValueReference> 
ErrorOr can now return a reference :)
 2023-04-18 22:02:47 +03:00
Bananymous
2c52e0aad8 BAN: Variant with reference now supports copy/assign 2023-04-18 20:21:23 +03:00
Bananymous
06916f56be BAN: Variant now works with references 
References can be assigned with the set() method. Construction nor
assigment operators cannot be used with references to avoid ambiguity
with what assignment to reference does.

You can set the underlying reference with the set() method and access
it with the get() method.

The references are stored as pointers to the object under the hood
which means that size of a reference is sizeof pointer.
 2023-04-18 19:53:34 +03:00
Bananymous
c3df0bd15e BAN: Variant::set now copy/move assigns when possible 2023-04-18 19:10:22 +03:00
Bananymous
b41a8e2829 BAN: Variant now has variadic template types 2023-04-18 18:29:48 +03:00
Bananymous
96ac072166 Kernel: Heap allows us to take free pages. 
The API is kinda weird and will probably be reworked in near future
but this will work for now :)
 2023-04-18 10:18:15 +03:00
Bananymous
295a27f16a Kernel: Panic wont print stacktrace if it has already paniced 
This prevents stack trace dump to panic and loop
 2023-04-18 10:18:15 +03:00
Bananymous
88f60b5e41 Kernel: Map all ACPI tables on initialization 
This makes their usage much easier and less error prone

They won't mapped be processes when we get to there, so this won't be
a problem
 2023-04-18 10:18:15 +03:00
Bananymous
1c22e90fa0 Scripts: remove disk build from install-usb.sh 
You can still use the install-usb.sh script from the build directory.
 2023-04-18 10:18:15 +03:00
Bananymous
d23604b0d5 Kernel: Handle some Heap edge cases 2023-04-18 10:18:15 +03:00