Bananymous
dd8060d64f
Kernel: Add FieldElement access attribute for AML interpreter
2024-04-12 01:49:15 +03:00
Bananymous
afb1d7ef0c
Kernel: Implement more features for AML parser/interpreter
...
Added
- BankField
- BufferField
- PowerResource
- ThermalZone
- Reference
- Package element forward declare
2024-04-12 01:47:40 +03:00
Bananymous
93ddee5956
Kernel: Implement locking for AML
...
Now global lock uses the actual global lock. Currenly if no lock
can be acquired, we just panic the kernel so that I remember to
implement it properly once AML is running concurrently.
2024-04-11 01:48:46 +03:00
Bananymous
0184e5beb5
Kernel: AML tries to initialize processors when entering ACPI mode
...
I had forgotten that Processors used to be a different definition
in AML.
I also implemented reads/writes for FieldElement/IndexFieldElement
that fit in 64 bits. Reads and writes to buffer are still a TODO.
2024-04-11 01:48:46 +03:00
Bananymous
3f2e110eab
Kernel: Entering ACPI mode now actually enables ACPI
...
I used to only initialize devices, but now I send ACPI_ENABLE if
machine is not hardware reduced.
2024-04-11 00:17:03 +03:00
Bananymous
0ff68b7d66
Kernel: Make ACPI load all SSDT headers after DSDT is loaded
2024-04-10 15:03:54 +03:00
Bananymous
cdbdc1a822
Kernel: Remove lai as a dependecy
...
I don't think lai is needed anymore, since my own AML interpreter
can do ACPI poweroff which was all that lai was used for.
2024-04-10 04:39:48 +03:00
Bananymous
7a2be05c69
Kernel: Implement poweroff with my AML interpreter
...
This can succesfully poweroff qemu!
2024-04-10 04:32:35 +03:00
Bananymous
5be38d0702
Kernel: My AML parser can now enable ACPI mode on QEMU!
2024-04-10 03:05:27 +03:00
Bananymous
ff203d8d34
Kernel: Implement more AML method invocation stuff
...
Method invocation is starting to come together. This implemenetation
can interpret some of the qemu's functions to enter ACPI mode.
PCI config space access is currently the one thing is between
entering ACPI mode.
2024-04-10 01:52:14 +03:00
Bananymous
23fa39121c
Kernel: Start working on AML method evaluations
...
Also fix namespace lookup and scope creations.
2024-04-09 18:37:51 +03:00
Bananymous
b16e65168f
Kernel: Rewrite whole AML parser
...
Now AML parsing is actually done while respecting namespaces and
scopes. I implemented the minimal functionality to parse qemu's AML.
Next step is to implement AML interpreting and then we can drop lai
as a dependency.
2024-04-09 01:16:07 +03:00
Bananymous
22bc4b4271
Kernel: Fix AML package parsing
2024-04-07 20:32:22 +03:00
Bananymous
e01c049401
Kernel: Fix AML buffer parsing
2024-04-07 20:24:05 +03:00
Bananymous
e7ef7a9e55
Kernel: Implement barebones AML parser
...
This implements only parsing for AML in qemu. InvokeMethods are not
parsed since number of arguments to Methods is not yet known.
Parsing AML uses multiple kilobytes of stack space, so I increased
boot stack size by a lot :D
I am not sure where my own AML is going, but this is good start if
I decide to implement full ACPI on my own.
This code is very much just ugly macro expansion.
Qemu has 2 DefPackage elements that I am not able to parse. Package
data ends while there should be still multiple elements.
2024-04-07 17:03:30 +03:00
Bananymous
e0011d22f2
Kernel: Move ACPI to its own directory and namespace
2024-04-04 15:00:13 +03:00
Bananymous
fa900df5a7
Kernel: Add signals for threads after IRQs
...
This allows signals to be called even if the process does no syscalls
The old scheduler did signal handling but I feel like it should be
enough to handle them only after syscalls and IRQs. ISRs already
handle signals that caused the ISR and there is no other route to
kernel space.
2024-04-03 15:07:18 +03:00
Bananymous
7ef751ba95
Kernel: Fix multiprocessor for i686
...
i686 is now actually ran with multiple processors.
2024-04-03 14:42:17 +03:00
Bananymous
f8c01418b1
Kernel: Fix multiprocessing on x86_64
...
I did not even start APs after initializing them... :D
2024-04-03 14:21:55 +03:00
Bananymous
d2df55b1ac
Kernel: Allow booting with multiple processors on i686
...
Also remove unnecessary ds clearing in x86_64.
2024-04-03 02:30:38 +03:00
Bananymous
0dd74e3c9d
Kernel: Implement syscalls for i686 and cleanup x86_64
...
This actually allows i686 to boot properly!
2024-04-03 02:23:23 +03:00
Bananymous
9e073e9fa0
Kernel: Add offset for interrupt stack in Scheduler::yield()
...
This allows accessing (garbage) sp and ss in interrupt stack.
2024-04-03 00:45:22 +03:00
Bananymous
c95a271821
Kernel: Set ss in i686 tss
2024-04-03 00:43:38 +03:00
Bananymous
fe386fa819
Kernel: Implement thread start trampoline for userspace
...
This is needed on i686 to set segment registers.
2024-04-03 00:42:39 +03:00
Bananymous
4d70322eab
Kernel: Save segment registers on all interrupts on i686
2024-04-03 00:41:13 +03:00
Bananymous
d9b8391968
Kernel: Fix i686 page table global mappings
2024-04-03 00:40:16 +03:00
Bananymous
2106a9e373
Kernel: Rework scheduler/processor stacks.
2024-04-02 12:34:42 +03:00
Bananymous
5050047cef
Kernel: Rewrite whole scheduler
...
Current context saving was very hacky and dependant on compiler
behaviour that was not consistent. Now we always use iret for
context saving. This makes everything more clean.
2024-03-29 18:02:12 +02:00
Bananymous
1b65f850ee
Kernel: Rename thread stacks to more appropriate names
2024-03-27 15:06:24 +02:00
Bananymous
7c2933aae1
Kernel: Fix ISR error code formatting to 32 bit
2024-03-26 21:01:18 +02:00
Bananymous
96babec22a
Kernel: Implement Thread trampolines for x86_32
2024-03-26 21:01:18 +02:00
Bananymous
c12d1e9bd9
Kernel: Implement PageTable for x86_32
...
This is mostly copied from x86_64 with necessary modifications
2024-03-26 20:16:20 +02:00
Bananymous
4d1f0e77f2
Kernel: Fix physical address size for x86_32
...
Having 32 bit address space does not mean physical address space
is also only 32 bits...
2024-03-26 20:16:20 +02:00
Bananymous
d7bf34ecd0
Kernel: Write isr handler for x86_32 and cleanup x86_64
2024-03-26 20:16:20 +02:00
Bananymous
1943c3e7a1
Kernel: Unify IDT and GDT code between x86_64 and x86_32
...
The code is pretty much the same, so there are just couple macros
differiating initialization.
2024-03-26 16:42:02 +02:00
Bananymous
af050cc729
Kernel: Fix boot code for x86_32
...
Boot assembly now initializes processor and jumps to kernel
2024-03-26 13:25:22 +02:00
Bananymous
99e30a4d7d
Kernel: Replace i386 with i686
...
I don't really want to be working with i386 since it doesn't support
compare exchange instruction
2024-03-26 02:48:26 +02:00
Bananymous
93975fdc45
Kernel: Process signal mask is now 2 32 bit values
...
This allows signal mask to be atomic on 32 bit target
2024-03-26 02:46:51 +02:00
Bananymous
fbef90f7cb
Kernel/LibC: Write cxx abi with proper locking
2024-03-26 02:28:10 +02:00
Bananymous
a9db4dd9a3
Kernel: NVMe Queue max simultaneous commands is dependent on arch
...
This allows mask to be atomic on 32 bit architectures
2024-03-26 01:45:43 +02:00
Bananymous
fc7e96fa66
Kernel: Rewrite i386 boot code + linker script
2024-03-26 00:10:42 +02:00
Bananymous
097d9a6479
Kernel: Implement dummy IDT and GDT for i386
2024-03-26 00:10:42 +02:00
Bananymous
2dd0bfdece
Kernel: Make i386 thread tramplines crash
2024-03-26 00:10:42 +02:00
Bananymous
26585bb1d9
Kernel: Implement signal trampoline for i386
2024-03-22 15:41:15 +02:00
Bananymous
0d92719433
Kernel: Remove old i386 spinlock code
2024-03-22 15:41:15 +02:00
Bananymous
1ab2722850
Kernel: Add PageTable stub to progress linking
2024-03-22 15:41:15 +02:00
Bananymous
fe17958b9f
Kernel: Rename rsp->sp and rip->ip
...
This makes more sense if we support i386
2024-03-22 15:41:15 +02:00
Bananymous
3e4d410646
Kernel: Fix AHCI device physical address writing on i386 target
2024-03-22 15:41:15 +02:00
Bananymous
b5aae34d86
Kernel: Specify template paramenters where they cannot be deduced
2024-03-22 15:41:15 +02:00
Bananymous
7f029b2713
Kernel: Allow Processor compilation for i386 targets
...
This is achieved by rewriting some inline assembly and changing
ProcessorID to be 32 bit value. For some reason if processor id
is 8 bits gcc runs out of 8 bit registers on i386.
2024-03-22 15:41:15 +02:00
Bananymous
0424082e7b
Kernel: Only compile lai for x86_64 targets
...
I will be dropping lai entirely soon. Once I get to writing AML
interpreter.
2024-03-22 15:41:15 +02:00
Bananymous
2352c86048
Kernel: i386 has 14 indirect blocks in TmpInode instead of 2
...
This allows keeping size of TmpInodeInfo as 128
2024-03-22 14:01:27 +02:00
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