Commit Graph

100 Commits

Author SHA1 Message Date
Matheus 2f8c8fc8e3 ELF: don't change the cpu context 2022-09-04 14:42:59 -03:00
Matheus 56bee8be77 VFS: dot entries 2022-08-28 16:28:11 -03:00
Matheus edba446ba4 ELF: refactor loader 2022-08-27 20:27:14 -03:00
Matheus 023937809d bugfixes, change types.h to be linux abi, stat system call 2022-08-23 19:44:18 -03:00
Matheus 9c6ce452f8 /dev/console 2022-08-20 15:15:10 -03:00
Matheus f7e5b5ba67 proper limine terminal interface 2022-08-20 14:16:26 -03:00
Matheus b3b5981f7a isatty syscall 2022-08-20 12:47:23 -03:00
Matheus f04d4b5a31 page allocator for alloc() 2022-08-19 22:11:06 -03:00
Matheus 098b2f5691 open syscall 2022-08-19 20:03:38 -03:00
Matheus 1d3405ba10 file decriptors 2022-08-19 18:01:32 -03:00
Matheus 4de0ff2556 gettid syscall, fix issues with vmm and mmap syscall 2022-08-18 22:12:51 -03:00
Matheus da99da2b36 arch_ctl syscall
it controls architecture specific things such as the GSBASE in x86_64
2022-08-18 20:42:03 -03:00
Matheus 0984a6458d fix several issues relating to elf and registers and add mmap 2022-08-18 17:53:09 -03:00
Matheus fc6d0000c5 added auxv to elf stack setup
the needed ones for rtdl; AT_NULL, AT_PHDR, AT_ENTRY, AT_PHNUM, AT_PHENT
2022-08-16 22:06:18 -03:00
Matheus df2e7b1c34 fix stupid bugs
strcmp was funky, added a few guard checks to hashtable, added error printing to initrd and fixed swapgs (again) in isr.asm
2022-08-16 20:37:45 -03:00
Matheus 7a540ca1e1 fix elf stack issues and interrupt gsbase stuff 2022-08-16 19:12:16 -03:00
Matheus 432e85b837 system calls 2022-08-15 21:52:57 -03:00
Matheus 261d7d3743 elf loading and userland 2022-08-14 20:19:38 -03:00
Matheus 33a516a611 user thread/process and elf loader stub 2022-08-13 23:16:34 -03:00
Matheus e7f4245c6d kernel threads
kernel threads and preemptive multitasking
2022-08-13 15:26:12 -03:00
Matheus ac5339453b per cpu timer queue 2022-08-12 22:11:59 -03:00
Matheus ab2bd69481 semaphores 2022-08-12 16:35:27 -03:00
Matheus c565bc006f apic ipis, scheduler stub, crappy and slow tlb shootdown 2022-08-09 23:53:39 -03:00
Matheus b2d8e5a166 devman initial implementation 2022-08-07 17:53:31 -03:00
Matheus 7ec69a219c devfs initial implementation 2022-08-07 17:33:49 -03:00
Matheus bdc19f90ef vfs and tmpfs read 2022-08-07 13:13:42 -03:00
Matheus dee3fe16db initialise the APs 2022-08-06 16:33:14 -03:00
Matheus fa1b35bf18 basic apic + fix some stupid issues
created an initial stub implementation of the apic driver, added the madt to acpi, fixed an issue with the strncmp, made the pmm set only free pages rather than used ones
2022-08-05 23:33:54 -03:00
Matheus ea8f21fb71 add tmpfs writing, vfs node tree dumping and fix some stupid issues 2022-08-04 20:49:59 -03:00
Matheus 479c51ec52 Initrd parsing and more VFS funcs.
Finished the initrd_parse() function for now and added vfs_open(), vfs_close() and vfs_write()
2022-08-04 19:31:10 -03:00
Matheus 947f4b4a06 initrd stub 2022-08-03 23:38:56 -03:00
Matheus 6ae75a9e99 create and mkdir funcs
file and directory creation functions for both the vfs and tmpfs
2022-08-03 22:05:11 -03:00
Matheus 2419b2e9e0 vfs filesystem mounting 2022-08-02 22:14:32 -03:00
Matheus 8d90e27f15 hashtable entrycount 2022-08-02 21:44:27 -03:00
Matheus 3653e01505 hashtable_set() 2022-07-31 14:18:13 -03:00
Matheus 151235694d VFS stub 2022-07-30 22:51:07 -03:00
Matheus 0fcb602574 hashtable_destroy() 2022-07-29 21:04:44 -03:00
Matheus f8d0c13520 hashtables 2022-07-29 18:27:50 -03:00
Matheus 61d1e17599 Initial slab implementation 2022-07-29 14:42:06 -03:00
Matheus 0f1222dd6d move spinlock.h
the implementation is more arch specific than anything. it has been placed under arch/include
2022-07-27 22:17:24 -03:00
Matheus ed866b05a9 vmm_cacheheader firstfree
keep track of the first free entry of each cache to make searching quicker
2022-07-27 20:44:34 -03:00
Matheus 940c39c0de finish the vmm 2022-07-27 20:31:56 -03:00
Matheus f1d3126990 Add a WIP VMM
As of now the VMM (pretty much a doubly linked list of regions) supports allocating and demand paging. still no deallocation though so if you allocate something you can't free it yet :')
2022-07-27 00:39:55 -03:00
Matheus 81d7e7e84f pmm_hhdmfree()
we had a pmm_hhdmalloc() but not a pmm_hhdmfree(), so that interface function is now implemented
2022-07-25 22:15:40 -03:00
Matheus 2d7dca8b8a pmm changes 2022-07-23 19:16:59 -03:00
Matheus 4d0d6347ad finish pmm 2022-07-23 13:52:09 -03:00
Matheus 1a509d02cf pmm stub 2022-07-23 01:06:12 -03:00
Matheus 21f353778d spinlock change
add a pause instruction in order to not completely demolish the system bus in a lock
2022-07-23 00:13:01 -03:00
Matheus 8f24f480b1 spinlocks 2022-07-22 18:30:13 -03:00
Matheus b44469a3e1 Initial commit 2022-07-21 22:50:12 -03:00