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banan-os
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205 Commits 1 Branch 0 Tags 3.9 MiB
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77 Commits

Author SHA1 Message Date
Bananymous 10c7ef7baa Kernel: MMU rename weird variable 2023-01-22 20:16:44 +02:00
Bananymous 62469c529f Kernel: IDT now allocates descriptors with kmalloc_eternal 2023-01-22 03:18:42 +02:00
Bananymous 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
Bananymous 6ec4ba3dc9 Kernel: Move dump_backtrace() out of arch. 
I discovered __builtin_frame_address()
 2023-01-22 03:00:13 +02:00
Bananymous fbfb3d6b70 Kernel: IDT cleanup GateDesctiptor usage 
And move everything to IDT namespace
 2023-01-22 02:06:43 +02:00
Bananymous 558374a47c Kernel: IDT flush only once in initialization 2023-01-22 02:06:43 +02:00
Bananymous 6e24ef8323 Kernel: IDT cleanup Kernel panic messages 2023-01-22 02:06:43 +02:00
Bananymous 3e8fbbaabd Kernel: Fix small typos in IDT 2023-01-22 01:12:47 +02:00
Bananymous 491610db2c Kernel: move GDT initialization to boot.S 2023-01-22 00:48:12 +02:00
Bananymous aac7595a47 Kernel: cleanup boot.S code and enable SSE 2023-01-21 23:44:23 +02:00
Bananymous b5453fad5c Kernel: dump_stacktrace uses now "\r\n" line endings for bochs 2023-01-21 22:21:38 +02:00
Bananymous 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
Bananymous 9e092c80c0 Kernel: Cleanup boot.S 2023-01-21 22:16:01 +02:00
Bananymous b9a4530e54 Kernel: Kernel::Panic now dumps stacktrace to com1 2023-01-16 21:50:50 +02:00
Bananymous 73abc3b2ee fixup! Kernel: Move GDT to its own namespace and cleanup 2023-01-16 15:24:59 +02:00
Bananymous 46e5b3f3d6 Kernel: Move GDT to its own namespace and cleanup 2023-01-16 15:24:10 +02:00
Bananymous 32453daf66 Kernel: actually dont map page 0 2023-01-13 15:04:06 +02:00
Bananymous 416a41745f Kernel: Kernel::Panic now checks that TTY is initialized instead of VESA 2023-01-13 15:04:06 +02:00
Bananymous 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
Bananymous 75ee592fb5 Kernel: remove debug print from MMU 2023-01-13 00:04:50 +02:00
Bananymous 7f01eaa936 Kernel: Move CPUID feature strings to cpp file 2023-01-13 00:03:37 +02:00
Bananymous 4c7950cd3e Kernel: remove unused function from IDT 2023-01-13 00:02:39 +02:00
Bananymous 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
Bananymous f412c164b3 Kernel: Rename ACPI debug print macro 2023-01-12 13:48:05 +02:00
Bananymous 5493d1bae1 Kernel: Add debug print to MMU and fix comment 2023-01-12 13:46:02 +02:00
Bananymous 301ad89783 Kernel: Unallocate RSDT after we are done with it 2023-01-12 13:45:01 +02:00
Bananymous 8fd51fb47d Kernel: Replace Paging{.h,.cpp} with better MMU{.h,.cpp} 2023-01-12 13:24:36 +02:00
Bananymous 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
Bananymous 6f9552d673 BAN: Add math to its own namespace 2023-01-10 19:11:27 +02:00
Bananymous 181478119e Kernel: Paging is now enabled by boot.S 2023-01-10 17:53:29 +02:00
Bananymous c6467b8ebc Kernel: Multiboot data and kernel command lines are now global variables 2023-01-10 17:50:24 +02:00
Bananymous efd8638a96 Kernel: Improve kernel panic message and rename it 'panic'->'Panic' 2023-01-09 21:57:03 +02:00
Bananymous 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
Bananymous 086f0c7cf6 Kernel: Better error reporting from VESA and fix texmode rendering 2023-01-05 03:36:20 +02:00
Bananymous d6623def32 Kernel: Paging uses now PAE with 2 MiB pages 2023-01-05 02:00:18 +02:00
Bananymous 9d9a6b2fec Kernel: VESA can now print 8x16 bitmaps 2022-12-30 20:47:25 +02:00
Bananymous f51ca4b642 Kernel: Rewrite IDT exception kernel panic message 2022-12-30 20:03:09 +02:00
Bananymous fc05642b74 Kernel: Make Render from buffer public tty function 2022-12-30 19:57:44 +02:00
Bananymous ef0b2010e0 Kernel: Add basic PS/2 Mouse driver 2022-12-30 19:38:21 +02:00
Bananymous 3c92aa45fb Kernel: 'cpuinfo' command in shell now shows wheter you are running on 64-bit cpu 2022-12-28 19:46:37 +02:00
Bananymous 267367333e Kernel: Move paging code to a helper 2022-12-28 19:01:01 +02:00
Bananymous 5d7a767f8b Kernel: Enable basic paging 2022-12-28 04:17:34 +02:00
Bananymous 3e8590687f Kernel: Cleanup code and move kmalloc initialization to later 2022-12-28 04:16:21 +02:00
Bananymous 9169020ad2 Kernel: Remove unnecessary checks from GraphicsPutCharAt() 2022-12-27 18:29:51 +02:00
Bananymous 620b836fc3 Kernel: VESA now somewhat handles Cursor in Graphics mode 2022-12-27 18:29:02 +02:00
Bananymous 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
Bananymous 5ae1fc58e9 Kernel: Clean code in tty and vesa 2022-12-27 17:22:45 +02:00
Bananymous 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
Bananymous f7eb85babd Kernel: IDT exceptions print better errors now 2022-12-23 15:56:10 +02:00
Bananymous d8fd6afd12 Kernel: Make TTY a class 2022-12-23 15:55:45 +02:00