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988 Commits

Author SHA1 Message Date
Bananymous c0dff5e203 Kernel: Scheduler/Thread add inline assembly for i386 2024-03-22 14:01:27 +02:00
Bananymous d920785256 Kernel: RDRAND on i386 is called twice with 32 bit register 2024-03-22 14:01:27 +02:00
Bananymous 45cea14165 Kernel: Move sys_fork trampolines to kernel/arch/ directory 2024-03-22 12:48:54 +02:00
Bananymous 26ed689d30 Kernel: Remove old GDT, IDT and MMU code from i386 
It will be easier to just rewrite them
 2024-03-22 12:47:34 +02:00
Bananymous 7ce0370b6a Kernel: Define KERNEL_OFFSET for i386 target 2024-03-22 12:35:49 +02:00
Bananymous aa2e53c4f8 Kernel: E1000 fix physical address on 32 bit target 2024-03-22 12:35:38 +02:00
Bananymous 9ecd156622 Kenrel: Ext2 fix signed-unsigned comparisons 2024-03-22 12:35:29 +02:00
Bananymous 62f6128ba1 Kernel: Cleanup NVMe Queue command submission 
There is techically a race condition on thread sleep and checking
done mask. This patch allows read to success even if this race
condition is hit, although the full timeout has to be waited.

This can be fixed in future with some sort of wait queues that
can properly handle this race condition.
 2024-03-19 13:01:27 +02:00
Bananymous 9607b4205a Kernel: Fix kernel panic on signal 
Signals are now added/handled without Scheduler's lock
 2024-03-18 16:05:47 +02:00
Bananymous 090c3c9930 Kernel: NVMe queues now supports upto 64 simultaneous operations 2024-03-15 13:46:35 +02:00
Bananymous 48ea9e1c1d Kernel: PS2Controller uses RecursiveSpinLock so timeouts don't panic 2024-03-15 13:45:44 +02:00
Bananymous 42469b83fe Kernel: kernel panic is now sent to all processors 2024-03-15 13:45:01 +02:00
Bananymous e65bc040af Kernel: Now all active processors are used in scheduling 
When a timer reschedule happens, ipi is broadcasted too all
processors for them to perform a reschedule!
 2024-03-09 23:53:50 +02:00
Bananymous 89ca4c8a8b Kernel: Implement IPI broadcasting 2024-03-09 23:53:38 +02:00
Bananymous 2323a55517 Kernel: Debug lock is locked while dumping stack trace 2024-03-09 23:52:06 +02:00
Bananymous 45d6caa1d0 Kernel: APs now start their idle threads when scheduler is started 2024-03-09 23:51:40 +02:00
Bananymous 55d2a64f54 Kernel: Map interrupt handlers for all processors 
This doesn't mean that processors will actually handle the irqs
 2024-03-09 23:50:57 +02:00
Bananymous 2420886c2c Kernel: Move current and idle thread to Processor 2024-03-08 23:39:29 +02:00
Bananymous e636dce919 Kernel: Rewrite scheduler thread lists 
Scheduler now has its own data SchedulerQueue which holds active nad
blocking thread lists. This removes need for BAN/Errors.h and making
current thread separate element instead of iterator into linked list.
This makes it possible to have current_thread on each processor
instead of a global one in Scheduler.
 2024-03-08 22:13:45 +02:00
Bananymous 1a1f9b1cf2 Kernel: Fix {read,write}_gs_sized input operands to work always 2024-03-08 22:12:33 +02:00
Bananymous 23a2f8b903 Kernel: Cleanup multiprocessor startup by removing magic numbers 2024-03-07 17:01:17 +02:00
Bananymous 29fd682672 Kernel: Store current processor pointer in IA32_GS_BASE 
This allows easier access to processors fields
 2024-03-07 16:05:29 +02:00
Bananymous 6234a5bc0b Kernel: Move multiprocessor initialize after framebuffer is created 
This allows getting output before multiprocessor is started.
 2024-03-06 16:00:19 +02:00
Bananymous 54f64e7618 Kernel: Move current page table to Processor 
APs can now map kernel page table and print current time!
 2024-03-06 02:19:59 +02:00
Bananymous f0105cb7fb Kernel: Move Interruptable from InterruptController.h to its own file 2024-03-06 00:47:02 +02:00
Bananymous 76b0f80169 Kernel: Move IDT to Processor 2024-03-06 00:45:54 +02:00
Bananymous f84df175ce Kernel: Save BSB id 2024-03-06 00:36:09 +02:00
Bananymous 58aca68726 Kernel: Move GDT to Processor 2024-03-06 00:35:45 +02:00
Bananymous 8670364f44 BAN: Remove unnecessary include from Array.h 2024-03-06 00:01:06 +02:00
Bananymous 418bc54f2b Kernel: Move SpinLock definition to header and fix Scheduler locking 
This patch allows inlining of spinlocks :)
 2024-03-04 22:36:41 +02:00
Bananymous 9c36d7c338 BAN/Kernel: Rework assertion/panic system 
BAN/Assert.h does not need any includes meaning it can be included
anywhere without problems.
 2024-03-04 11:41:54 +02:00
Bananymous 8141b9977d Kernel: Per processor information is now stored in class Processor 
This allows us to allocate processor stacks, and other per processor
structures dynamically in runtime. Giving processor stack to
ap_trampoline feels super hacky, but it works for now.
 2024-03-03 22:30:06 +02:00
Bananymous c035d3c82c Kernel: Start all processors on kernel boot 
Processors don't do anything, except print hello message and halt.
 2024-03-03 02:19:43 +02:00
Bananymous 1de9daa40f Kernel: Move interrupt status stuff to Processor.h 
SpinLocks are now locked with processor id instead of thread id. This
allows having multiple processors running while scheduler is not yet
activated.
 2024-03-03 01:47:22 +02:00
Bananymous a667d88f93 Kernel: Remove now obsolete CriticalScope 
All critical scopes in kernel are now replaced by SpinLocks. This
allows proper locking in actual multiprocessing with multiple cores.
 2024-03-01 15:51:02 +02:00
Bananymous 8d7dd577ab Kernel: Replace last CriticalScopes in kernel with SpinLocks 2024-03-01 15:49:39 +02:00
Bananymous 054b41383f Kernel: Implement SpinLock unsafe that does not keep track of locker 
This will be used in scheduler where thread ids are changing
 2024-03-01 15:48:08 +02:00
Bananymous 02ad199138 Kernel: Move interrupt status functions to kernel/Interrupts.h 2024-03-01 02:13:28 +02:00
Bananymous 65c4f9db5b Kernel: Replace CriticalScopes with SpinLocks in Process/Thread 2024-03-01 02:13:28 +02:00
Bananymous 51e38b7614 Kernel: Replace CriticalScope with SpinLock in SerialTTY 2024-02-29 19:17:28 +02:00
Bananymous 90878a7c2b Kernel: Replace CriticalScopes with SpinLocks in networking code 2024-02-29 19:17:28 +02:00
Bananymous 7f028f70d5 Kernel: Replace CriticalScopes with SpinLock in PS/2 and input code 2024-02-29 19:17:28 +02:00
Bananymous ec0cb5fd54 Kernel: Remove CriticalScopes from memory handing code 2024-02-29 19:16:41 +02:00
Bananymous 682de62c57 Kernel: Replace HPET CriticalScope with SpinLock 2024-02-29 19:15:33 +02:00
Bananymous 18253b6966 Kernel: Replace InterruptController CriticalScopes with SpinLock 2024-02-29 19:15:33 +02:00
Bananymous d94f6388b7 Kernel: Fix all broken locks from new mutexes 2024-02-28 22:45:34 +02:00
Bananymous 5c39903323 Kernel: Simplify writing to threads stacks 
This can be done more simply as all stacks are now page aligned
 2024-02-28 13:20:17 +02:00
Bananymous 6d59a2b45d Kernel: Remove VirtualRanges created in kmalloc memory 
These were only used as stacks of kernel threads, but they can just
as well be allocated as full pages from Heap
 2024-02-28 13:19:18 +02:00
Bananymous 09c24088a2 Kernel: Cleanup kmalloc VirtualRange creation 2024-02-28 13:19:18 +02:00
Bananymous efdc4817bb Kernel: Print to debug log ICMP unreachable messages 
These messages should be forwarded to underlying sockets
 2024-02-28 13:19:18 +02:00