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
e87026f01d
Kernel: I have no idea what this commit does
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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
c0bc002ac6
Kernel: Move debug printing to its own file
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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
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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
ba53582f23
Kernel: Rewrite APIC and PIC more OOP friendly
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x86_64 port is slowly coming together
2023-01-23 20:13:57 +02:00
54043288cb
Kernel: Move CPUID out of arch/
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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
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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
62469c529f
Kernel: IDT now allocates descriptors with kmalloc_eternal
2023-01-22 03:18:42 +02:00
cdd27ae3db
Kernel: rename MMU::m_page_directory_pointer_table -> m_highest_paging_stuct
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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.
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I discovered __builtin_frame_address()
2023-01-22 03:00:13 +02:00
fbfb3d6b70
Kernel: IDT cleanup GateDesctiptor usage
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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
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
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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
b9a4530e54
Kernel: Kernel::Panic now dumps stacktrace to com1
2023-01-16 21:50:50 +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
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
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This allows IDT to print exceptions even when we dont have TTY
2023-01-13 15:04:06 +02:00
75ee592fb5
Kernel: remove debug print from MMU
2023-01-13 00:04:50 +02:00
7f01eaa936
Kernel: Move CPUID feature strings to cpp file
2023-01-13 00:03:37 +02:00
4c7950cd3e
Kernel: remove unused function from IDT
2023-01-13 00:02:39 +02:00
4ae4ad528a
Kernel: APIC use dprintln instead of kprintln
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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
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
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This is now a harware requirement that is verified already in boot.S
2023-01-10 21:28:59 +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
c6467b8ebc
Kernel: Multiboot data and kernel command lines are now global variables
2023-01-10 17:50:24 +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
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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
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
Bananymous