Bananymous
cf96bb6cc3
Kernel: Add support for multiboot
...
I don't know why I did it but it works now :D
2025-08-05 03:09:24 +03:00
Bananymous
8da4f80453
Kernel: Add custom stack to double fault handler
...
This prevents triple faults!
2025-07-02 23:14:52 +03:00
Bananymous
17f1ac10e3
Kernel: Don't ignore modules passed with multiboot2
2025-07-02 00:17:42 +03:00
Bananymous
ddf1babfe1
Kernel: Cleanup constructor calls
2024-08-31 02:23:08 +03:00
Bananymous
2c520391eb
Kernel/LibC: Add support for init_array and fini_array
2024-08-27 00:47:03 +03:00
Bananymous
969563c06a
Kernel: Don't load AP init code to 0xF000, but relocate it later
...
This cleans up the kernel executable as bootloaders don't have to
load AP init code straight to 0xF000, but it will be moved there once
kernel is doing the AP initialization.
2024-08-21 13:37:50 +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
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
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
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
284a012509
Kernel: Add framebuffer information to kernel image
2023-12-09 17:33:58 +02:00
Bananymous
84040e64b8
Kernel: Don't use multiboot2 explicitly. Parse it to common structure
...
This allows support of multiple different bootloaders
2023-11-17 18:54:59 +02:00
Bananymous
c17cdb39d5
Kernel: Map multiboot2 memory in PageTable initialization
...
It cannot be assumed that multiboot data lies between kernel_end
and 2 GiB mark, so I properly allocate virtual address space for it.
2023-10-17 01:15:08 +03:00
Bananymous
69a39b7077
Kernel: Start using multiboot2 instead of multiboot
...
This allows better compatibility with (U)EFI and gives RSDP location
instead of me having to scan ram to find it.
2023-10-17 01:06:24 +03:00
921d95d18f
All: Clear lines with only whitspace in them
2023-09-10 00:31:42 +03:00
f75adab9d8
Kernel: Move structures in boot.S to .data section
2023-08-11 00:26:12 +03:00
68691faca1
Kernel: boot.S is back to 2 MiB pages
...
bochs doesn't seem to support 1 GiB pages
2023-06-03 18:53:36 +03:00
dcb23f686f
Kernel: boot.S maps GiB as single pdpte
2023-05-31 00:51:15 +03:00
81cf389754
Kernel: Booting with higher half kernel gets to Heap initialization
2023-05-30 22:21:12 +03:00
0907965dc5
Kernel: start work on higher half kernel
2023-05-30 08:00:17 +03:00
210d90ec79
Kernel: We now identity map full GiB in boot.S
...
The paging structure is pre-built so no unnecessary calculations are done
2023-05-30 00:08:52 +03:00
6a3b3213cf
Kernel: Kmalloc now has its memory statically allocated
...
We don't use the memory map given by bootloader since this automatically
maps the memory to a available space.
2023-04-18 10:18:15 +03:00
df8811fc1a
Kernel: Remove "a" from .section .text
2023-03-07 01:57:09 +02:00
06db890d49
Kernel: Add ubsan
...
My brain has been melting since I'm getting very random bugs.
I hope I can debug them better with ubsan :)
2023-03-06 23:38:05 +02:00
7fcbb869e1
Kernel: Initialize GDT in kernel code
...
We dont use the boot GDT only while booting
2023-03-01 21:21:56 +02:00
7f8cad83b1
Kernel: x86_64 boot script now makes GDT with null, kernel code and data
2023-03-01 21:21:56 +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
6418d7cfc3
Kernel: Add Other GDT entries to x86_64
2023-01-26 12:53:04 +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
Bananymous
Bananymous