1b45b4d728
Kernel: Remove unnecessary BOCKS_BREAK()
2023-02-16 17:52:39 +02:00
6a133782ed
All: Move to c++20
2023-02-09 23:05:26 +02:00
fb7fe73d49
Kernel: Add inw and outw to IO
2023-02-04 23:37:34 +02:00
6fab26692b
Kernel: remove unnecessary function from x86_64 Thread.S
2023-02-02 23:48:18 +02:00
2161528cb6
Kernel: Shell is now launched as a capturing lambda
2023-02-02 23:27:51 +02:00
cdbad56ed7
Kernel: Update shell thread command to run following command as thread
...
'thread echo "Hello World"' runs the command 'echo "Hello World"' after
5 seconds have passed. This was just my test code for threading
2023-02-02 23:26:19 +02:00
5b5e620d8a
Kernel: Improve multithreading support
...
We can now use arbitary BAN::function<void(...)> as the Thread.
I also implemented multithreading for i386 since it was not done
on the initial multithreading commit.
2023-02-02 23:24:12 +02:00
777ede328e
Kernel: Add helper functions for reading current rsp and rbp
2023-02-02 23:19:44 +02:00
c85b97abee
Kernel: fix some of i368 IDT. This was really broken
2023-02-02 15:52:06 +02:00
117d1de038
Kernel: panic does not need to include <kernel/kprint.h>
...
This allows us to not have kprint available literally everywhere
2023-02-02 15:51:15 +02:00
6cbad718fb
Kernel: Add some more cxxabi functionality
...
We can now declate static variables in functions
2023-02-02 15:50:26 +02:00
f6b05212e0
Kernel: Add is_locked() to spinlock
...
I think this is atomic read
2023-02-02 15:49:30 +02:00
01f267a321
Kernel: fix spinlock for i386
2023-02-02 15:49:00 +02:00
9b8de5025a
All: rename every function from UpperCamelCase to snake_case
...
This was a mess since I didn't know which to use but now I decided
to go with snake_case :)
2023-02-01 21:05:44 +02:00
6a9d60a8fb
Kernel: Implement somewhat functioning multithread support
...
This still uses only a single cpu, but we can now have 'parallelization'
This seems to work fine in qemu and bochs, but my own computer did not
like this when I last tried.
I have absolutely no idea how multithreading should actually be
implmemented and I just thought and implemented the most simple one I
could think of. This might not be in any way correct :D
2023-02-01 01:53:35 +02:00
7d8aafa0b5
Kernel: Add macros for current archutecture
2023-02-01 01:52:52 +02:00
337569b0ca
Kernel: Implement basic SpinLock
2023-02-01 01:52:52 +02:00
be502ae616
Kernel: Debug stacktrace now detects if it kernel panics itself
2023-01-31 18:43:09 +02:00
cb3b62d665
Kernel: Only allocate single GDT entry during boot.S
...
When we need more, we should probably initialize rest of them
in cpp code
2023-01-31 18:43:09 +02:00
1954f223ad
Kernel: Add no sse and sse2 for kernel code
2023-01-31 18:43:09 +02:00
1687028ed5
Kernel: Add constructor and destructor to MMU
2023-01-30 18:54:04 +02:00
6dc22b7251
Kernel: Add actual register values to x86_64 kernel panic
...
Very hackish implementation, but we now get actual registers at the
time of the interrupt happening
2023-01-30 18:52:38 +02:00
bfe3426f6d
Kernel: Add processor dump flag to APIC
2023-01-26 13:13:46 +02:00
6418d7cfc3
Kernel: Add Other GDT entries to x86_64
2023-01-26 12:53:04 +02:00
f0093ed2fd
Kernel: kmalloc_eternal now updates the used/free values
...
I also improved the kmalloc_dump_info() formatting. We format the
values as 8-digit hex numbers since (atleast for now) the kmalloc
will always be under 4 GiB address and size :)
2023-01-26 03:04:19 +02:00
e00d18029d
Kernel: rewrite some of APIC since it didn't work with xsdts for some reason
2023-01-26 02:57:14 +02:00
35d2e27292
Kernel: Improve MMU
...
We don't have to invalidate page in AllocatePage() if we don't make
any changes. We also should not assert on deallocating non-present
pages, just return early :)
2023-01-26 02:57:14 +02:00
589f338357
Kernel: Cleanup IDT register dump inline assembly
2023-01-26 02:57:14 +02:00
05b48fa71c
Kernel: add gcc option to make sure we have (r/e)bp saved on stack
2023-01-26 02:57:14 +02:00
aa0757e135
Kernel: Move dump_stacktrace from panic -> debug
2023-01-26 02:57:14 +02:00
e87026f01d
Kernel: I have no idea what this commit does
...
I had committed a change in IDT but reverted it now.
This propably only adds a spurious interrupt detection to common cpp
interrupt handler?
2023-01-26 02:55:37 +02:00
9c31790359
Kernel: Add option to disable Serial output
...
This makes all debug output to appear on the TTY
2023-01-25 22:51:42 +02:00
c0bc002ac6
Kernel: Move debug printing to its own file
...
It didn't make sense that dprint was defined in Serial.h.
We also now dump dprint to tty if there is no serial and tty is initialized
2023-01-25 22:51:42 +02:00
b315fdc27f
Kernel: Finally managed to get 64-bit working
...
I had weird problems with interrupts but everything should work now
2023-01-25 19:19:28 +02:00
c4670f49d4
Kernel: Refactor some IDT code
2023-01-25 19:19:28 +02:00
48348c9e57
Kernel: Cleanup APIC code. Remove unnecessary defines and add consts
2023-01-25 19:00:41 +02:00
ba53582f23
Kernel: Rewrite APIC and PIC more OOP friendly
...
x86_64 port is slowly coming together
2023-01-23 20:13:57 +02:00
b50bb03ed4
Kernel: Panic now halts machine even if we get spurious irqs
2023-01-23 18:25:48 +02:00
54043288cb
Kernel: Move CPUID out of arch/
...
CPUID instructions behaves the same on x86 and x86_64. I am not
planning on supporting any non x86 based architectures.
2023-01-23 18:12:52 +02:00
1b9f7aa815
Kernel: Rewrite the whole VESA driver
...
We dont support vga text mode currently. I might add it later if needed.
I also removed mouse 'support' from Shell since it didn't do anything
and I didn't implement arbitary bitmap rendering to framebuffer
2023-01-23 13:21:53 +02:00
10c7ef7baa
Kernel: MMU rename weird variable
2023-01-22 20:16:44 +02:00
b67bbab083
Kernel: fix dump_stacktrace
2023-01-22 20:05:24 +02:00
62469c529f
Kernel: IDT now allocates descriptors with kmalloc_eternal
2023-01-22 03:18:42 +02:00
026fdc251c
Kernel: Add kmalloc_eternal back
2023-01-22 03:10:48 +02:00
cdd27ae3db
Kernel: rename MMU::m_page_directory_pointer_table -> m_highest_paging_stuct
...
This might not always be pdpt. In x86_64 it is pml4/pml5
2023-01-22 03:03:58 +02:00
6ec4ba3dc9
Kernel: Move dump_backtrace() out of arch.
...
I discovered __builtin_frame_address()
2023-01-22 03:00:13 +02:00
fbfb3d6b70
Kernel: IDT cleanup GateDesctiptor usage
...
And move everything to IDT namespace
2023-01-22 02:06:43 +02:00
558374a47c
Kernel: IDT flush only once in initialization
2023-01-22 02:06:43 +02:00
6e24ef8323
Kernel: IDT cleanup Kernel panic messages
2023-01-22 02:06:43 +02:00
3e8fbbaabd
Kernel: Fix small typos in IDT
2023-01-22 01:12:47 +02:00
491610db2c
Kernel: move GDT initialization to boot.S
2023-01-22 00:48:12 +02:00
aac7595a47
Kernel: cleanup boot.S code and enable SSE
2023-01-21 23:44:23 +02:00
fdbc04f29d
Kernel: kmalloc now uses the actual kernel end location
2023-01-21 22:40:23 +02:00
9088f7b305
Kernel: kmalloc prints addresses on panic
2023-01-21 22:29:44 +02:00
b5453fad5c
Kernel: dump_stacktrace uses now "\r\n" line endings for bochs
2023-01-21 22:21:38 +02:00
bb051604a1
Kernel: Move dump_stacktrace() to arch folder
...
It uses mov instruction which has different register on x86/x86-64
2023-01-21 22:16:31 +02:00
9e092c80c0
Kernel: Cleanup boot.S
2023-01-21 22:16:01 +02:00
53a5ad3cf9
BAN: Function now properly forward arguments
2023-01-17 11:16:46 +02:00
b9a4530e54
Kernel: Kernel::Panic now dumps stacktrace to com1
2023-01-16 21:50:50 +02:00
7540fa0385
Kernel: Shell now 'properly' parses commandline
2023-01-16 20:09:22 +02:00
e307db47eb
Kernel: Kernel::Panic() will now always print to serial output
2023-01-16 15:44:27 +02:00
73abc3b2ee
fixup! Kernel: Move GDT to its own namespace and cleanup
2023-01-16 15:24:59 +02:00
46e5b3f3d6
Kernel: Move GDT to its own namespace and cleanup
2023-01-16 15:24:10 +02:00
b46fa0d116
Kernel: Shell can now dump kmalloc info
2023-01-16 15:17:00 +02:00
8881c1e117
Kernel: Shell is no longer singleton
2023-01-16 15:16:39 +02:00
1545850be3
Kernel: Input callbacks use the new BAN::Function
2023-01-16 15:15:02 +02:00
d5e162b1ea
Kernel: fix kmalloc header
2023-01-16 12:10:50 +02:00
689338b506
Kernel: kmalloc can now dump current memory usage
2023-01-13 17:42:19 +02:00
f547a788f2
Kernel: Add support for arrow keys in Shell
2023-01-13 15:07:24 +02:00
bf4b26d1fd
Kernel: kmalloc now returns nullptr if you try to allocate over kmalloc size
2023-01-13 15:04:06 +02:00
32453daf66
Kernel: actually dont map page 0
2023-01-13 15:04:06 +02:00
416a41745f
Kernel: Kernel::Panic now checks that TTY is initialized instead of VESA
2023-01-13 15:04:06 +02:00
77e82de51e
Kernel: Make IDT exceptions use a single Kernel:Panic
...
This allows IDT to print exceptions even when we dont have TTY
2023-01-13 15:04:06 +02:00
af8d486893
Kenrel: TTY fix cursor position with ANSI escapes
2023-01-13 15:04:06 +02:00
75ee592fb5
Kernel: remove debug print from MMU
2023-01-13 00:04:50 +02:00
6b73547989
All: edit gcc flags
2023-01-13 00:04:15 +02:00
7f01eaa936
Kernel: Move CPUID feature strings to cpp file
2023-01-13 00:03:37 +02:00
d0aa938b35
Kernel: remove unused function from kmalloc
2023-01-13 00:03:10 +02:00
4c7950cd3e
Kernel: remove unused function from IDT
2023-01-13 00:02:39 +02:00
61bd9da8e0
BAN: Add [[nodiscard]] to BAN functions returning ErrorOr
2023-01-12 23:57:07 +02:00
4ae4ad528a
Kernel: APIC use dprintln instead of kprintln
...
VESA drivers will be initialized much later now so kprintln
will not be available when initializing APIC
2023-01-12 13:52:22 +02:00
f412c164b3
Kernel: Rename ACPI debug print macro
2023-01-12 13:48:05 +02:00
5493d1bae1
Kernel: Add debug print to MMU and fix comment
2023-01-12 13:46:02 +02:00
301ad89783
Kernel: Unallocate RSDT after we are done with it
2023-01-12 13:45:01 +02:00
087d14fbb7
Kenrel: Remove unnecessary print from kmalloc_initialize()
2023-01-12 13:24:41 +02:00
3dfe062de1
Kernel: Cleanup TTY code
2023-01-12 13:24:41 +02:00
33a4fcc662
Kernel: Add helper macro for bochs magic break point
2023-01-12 13:24:41 +02:00
8fd51fb47d
Kernel: Replace Paging{.h,.cpp} with better MMU{.h,.cpp}
2023-01-12 13:24:36 +02:00
64c57ea3d0
Kernel: Remove obsole CPUID::IsAvailable
...
This is now a harware requirement that is verified already in boot.S
2023-01-10 21:28:59 +02:00
7d45b3cbd6
Kernel: Rewrote kmalloc to be much simpler and allow alignment
2023-01-10 21:10:36 +02:00
d89b6aa9ce
Kernel: Serial output now gives clickable links
2023-01-10 21:09:59 +02:00
6f9552d673
BAN: Add math to its own namespace
2023-01-10 19:11:27 +02:00
181478119e
Kernel: Paging is now enabled by boot.S
2023-01-10 17:53:29 +02:00
85068e27d6
BAN: BAN/Memory.h now provides the operator new and delete
2023-01-10 17:51:33 +02:00
c6467b8ebc
Kernel: Multiboot data and kernel command lines are now global variables
2023-01-10 17:50:24 +02:00
5106552bfd
Kernel: Serial output uses now "\r\n" as line endings
2023-01-10 11:24:30 +02:00
979a5960e4
Kernel: We don't use floating point arithemtic anymore in kernel
2023-01-10 11:10:17 +02:00
efd8638a96
Kernel: Improve kernel panic message and rename it 'panic'->'Panic'
2023-01-09 21:57:03 +02:00
531f470132
Kernel: Add helper to map pages with base address and size
...
This allows us to easily map enough pages for buffer with known size
VESA driver can now allocate enough memory for whole framebuffer if it
doesn't fit in a single page (1920x1080 for example)
2023-01-05 03:44:41 +02:00
086f0c7cf6
Kernel: Better error reporting from VESA and fix texmode rendering
2023-01-05 03:36:20 +02:00
d6623def32
Kernel: Paging uses now PAE with 2 MiB pages
2023-01-05 02:00:18 +02:00
a12ddfa12a
Kernel: Update PS/2 controller
2023-01-04 19:22:23 +02:00
fcec793873
Kernel: Shell now renders a mouse
...
PS/2 mouse doesn't seem to work with PIC.
2022-12-30 20:48:15 +02:00
9d9a6b2fec
Kernel: VESA can now print 8x16 bitmaps
2022-12-30 20:47:25 +02:00
f51ca4b642
Kernel: Rewrite IDT exception kernel panic message
2022-12-30 20:03:09 +02:00
fc05642b74
Kernel: Make Render from buffer public tty function
2022-12-30 19:57:44 +02:00
ef0b2010e0
Kernel: Add basic PS/2 Mouse driver
2022-12-30 19:38:21 +02:00
3c92aa45fb
Kernel: 'cpuinfo' command in shell now shows wheter you are running on 64-bit cpu
2022-12-28 19:46:37 +02:00
267367333e
Kernel: Move paging code to a helper
2022-12-28 19:01:01 +02:00
06a4ef1d87
Kernel: Commandline parsing does not depend on kmalloc anymore
2022-12-28 04:17:46 +02:00
5d7a767f8b
Kernel: Enable basic paging
2022-12-28 04:17:34 +02:00
3e8590687f
Kernel: Cleanup code and move kmalloc initialization to later
2022-12-28 04:16:21 +02:00
2a65c5fd0f
Kernel: Shell now actually prints to its TTY
2022-12-27 20:11:49 +02:00
fd4fdffd46
BAN::Formatter now takes putc like function as a parameter
...
This allows us to use capturing lambdas as a putc like function
2022-12-27 19:55:07 +02:00
98fc72b0d0
Kernel: kmalloc now aligns everything by alignof(max_align_t)
...
kmalloc properly aligns everything now.
I also changed so that kmalloc addresses are stored as uintptr_t
instead of void* or uint8_t* for easier arithemetic and less casting
2022-12-27 19:07:20 +02:00
9169020ad2
Kernel: Remove unnecessary checks from GraphicsPutCharAt()
2022-12-27 18:29:51 +02:00
620b836fc3
Kernel: VESA now somewhat handles Cursor in Graphics mode
2022-12-27 18:29:02 +02:00
2d46281c16
Kernel: TTY scroll is now done using memmove
...
This will be faster when memory functions will be optimized
2022-12-27 17:45:47 +02:00
5ae1fc58e9
Kernel: Clean code in tty and vesa
2022-12-27 17:22:45 +02:00
2535eb1c4c
Kernel: TTY now handles keeping terminal buffer
...
VESA Driver cannot scroll anymore, this is handled by tty
2022-12-27 17:06:33 +02:00
f7eb85babd
Kernel: IDT exceptions print better errors now
2022-12-23 15:56:10 +02:00
d8fd6afd12
Kernel: Make TTY a class
2022-12-23 15:55:45 +02:00
3f7a61a4d2
Kernel: VESA driver has now second buffer for fast scrolling
...
This allows us to not read from video memory, since it was very slow
I also implemented fast path for graphics clearing and scrolling if bpp is 32
2022-12-20 14:02:44 +02:00
5e2680cade
Kernel: You can now disable APIC from the grub commandline
2022-12-20 11:57:09 +02:00
4c559f50a4
BAN: StringView::Split() now precomputes number of elements
...
We dont have to resize vector on PushBack()'s if we reserve required size
2022-12-20 11:37:28 +02:00
c82caacbaa
Kernel: Cleanup APIC code
...
APIC seems to work on my main machine, but not on other one
2022-12-20 04:45:46 +02:00
64a5a28ff0
Kernel: Add time since boot to Shell
2022-12-19 11:46:38 +02:00
c8866aa88b
Kernel: Move GDT and IDT assembly to inline assembly
2022-12-19 11:46:38 +02:00
0bdb01ee04
Kernel: Replace PIC with APIC
...
If APIC/IOAPIC is not found, we fallback to PIC
Interrupts don't seem to work on real hardware (?)
2022-12-19 11:46:25 +02:00
7efa5bfb75
Kernel: Shell backspace unicode detection cleanup
2022-12-16 11:53:59 +02:00
f244728d33
Kernel: Add unicode support
2022-12-16 03:55:13 +02:00
6fe0d04f07
Kernel: Implement basic VESA Graphics mode driver
...
We now support VESA Graphics mode with some bitmap fonts
2022-12-16 00:47:03 +02:00
9274c9ee2f
Kernel: Abstract TTY to use new VESA
2022-12-15 19:05:07 +02:00
930661619b
Kernel: Add more functionality to Shell
...
commands 'time', 'cpuid', 'random'
2022-12-15 17:29:35 +02:00
a2d38af37a
Kernel: Implement 'cpuid' and enumerations for features
2022-12-15 17:28:54 +02:00
7bddcafadd
Kernel: Remove a lot of empty lines
2022-12-14 21:17:46 +02:00
711ba19a82
Kernel: Add basic Shell to test functionality
2022-12-13 21:34:50 +02:00
f8224e55b1
Kernel: Force strlen compilation so BAN can use it
2022-12-13 21:33:54 +02:00
ced05ff5f2
BAN: use only memcmp when comparing string(view) with const char*
2022-12-13 21:32:51 +02:00
833a82c8d1
Kernel: Fix keymay brace/bracket to correct way around
2022-12-13 21:10:25 +02:00
fd6e0ed0f7
Kernel: debug printing now show system time correctly
2022-12-13 20:44:52 +02:00
174daa3e02
Kernel: Keyboard event callback can now be registered later
2022-12-13 16:15:10 +02:00
171a33bbcd
Kernel/BAN: Add weekday to Time structure and get it with RTC
2022-12-13 14:37:10 +02:00
52c793bb5c
Kernel/BAN: Make Time a struct in BAN and add formatter to it
2022-12-13 12:37:26 +02:00
334abe6b27
Kernel: lol
2022-12-13 12:12:15 +02:00
68e88d9413
Kernel: Add clear() command public TTY API
2022-12-13 10:45:24 +02:00
e62a626b39
Kernel: Improve keyboard input by a lot
...
Seems to work on my 2 computerss
2022-12-13 10:45:06 +02:00
7ebe727a29
Kernel: Add RTC to get current time
2022-12-13 10:41:36 +02:00
835430e7b0
BAN: Move Formatter to new project called BAN
...
I also implemented basic ErrorOr and Queue
2022-12-13 10:39:57 +02:00
1283e74ee6
Kernel: Formatter now supports fill to length
2022-12-13 01:16:49 +02:00
Bananymous