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| # IndigoOS | ||||
| 
 | ||||
| mod testing | ||||
| This project is in it's infancy. There's a lot to clean up (bootloader), and this is for my own entertainment. I'll likely be working on it on and off, and only updating the branch after major steps forward. | ||||
| 
 | ||||
| ##Questions and answers | ||||
| ### Why are you already parsing APCI tables? | ||||
| When I first started this project, it was intended to be a bare metal mandelbrotset, then an operating system. This way I could set up an enviornment and become comftorable with the x86 architecture. I was going to have a pretty simple multi-core SMP setup to acheive a higher speed. However, as I worked more and more, I realized that this plan was counter productive. The main reason for this is that I'd be doing a lot of "static" work (for lack of a better word). It would be too hard to modify an existing project into an operating system, due to all the code I'd need to discard. | ||||
| 
 | ||||
| ### Will you support UEFI? | ||||
| Maybe some day. What I have so far of the bootloader was a lot of work, so I need to take a break on it for now. | ||||
| 
 | ||||
| ##Cleaning list | ||||
| - [] clean RSDP v1 vs v2+ ugly unison code | ||||
| - [] clean static paging code if possible | ||||
| - [] fallback to best compatable video mode if not found | ||||
| - [] find out when and why checksum of binary vs debug binary stripped is occationally diffrent (maybe linker script?) | ||||
| 
 | ||||
| 
 | ||||
| ##debugging | ||||
| - [x] get debugging into into a seperate elf for GDB | ||||
| - [] md5sum of striped binary is the same as one built without debugging info | ||||
| _Almost_ always, there was one time when it wasn't. Can't seem to reproduce. Check linker sizes. | ||||
| 
 | ||||
| ##bootloader | ||||
| - [x] make USB bootable as floppy | ||||
| - [] make USB bootable as harddisk | ||||
| - [x] detect native resolution | ||||
| - [x] set VESA video to native resolution | ||||
| - [] fallback to best compatable video mode if not found | ||||
| - [x] record video mode info for kernel | ||||
| - [x] setup temporary page tabels | ||||
| - [x] get memory map | ||||
| - [x] load sectors into 0x100000 | ||||
| - [x] boot into kernel long mode | ||||
| 
 | ||||
| ##kernel (listed in order of dependency) | ||||
| ###ACPI | ||||
| - [x] find, check, and parse RSDP | ||||
| - [x] find, check, and parse RSDT or XSDT | ||||
| - [x] static page mapping | ||||
| - [] remap paging to higher/more available physical address | ||||
| - [] remap kernel to higher virtual address | ||||
| - [] re-create page tables to accomidate amount of ram in system without becoming too big | ||||
| - [] dynamic page allocation | ||||
| 
 | ||||
| ###multicpu | ||||
| - [] boot cpus | ||||
| - [] parse MDST | ||||
| 
 | ||||
|  | ||||
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