Commit graph

59 commits

Author SHA1 Message Date
Jeremy Soller bc1b503d25 Enable SSE and FPU 2016-09-22 16:14:45 -06:00
Jeremy Soller 76b0c7eeea Add wnohang, make PS/2 driver write input to display scheme, which then passes it to the shell 2016-09-22 10:10:27 -06:00
Jeremy Soller 046236c10f Add login process. Remove debugging. Fix order of arguments 2016-09-22 08:43:22 -06:00
Jeremy Soller 5757f3436e Clone grants 2016-09-20 22:14:08 -06:00
Jeremy Soller e110ab81b8 WIP: VESA driver. Make initfs generated by code 2016-09-20 21:52:45 -06:00
Jeremy Soller 8dfd003c72 Validate memory pointers 2016-09-20 18:03:14 -06:00
Jeremy Soller ed3170bdcc Implement more system calls 2016-09-20 16:57:45 -06:00
Jeremy Soller f60661820d Create example userspace scheme. Remove kernel duplication of syscalls, use syscall crate instead 2016-09-20 16:23:28 -06:00
Jeremy Soller 2b915953c9 Increase buffer size when reading executable, update libstd 2016-09-20 09:51:26 -06:00
Jeremy Soller d329f7c7d2 Fix deadlock 2016-09-20 09:21:54 -06:00
Jeremy Soller c512d04378 WIP: User scheme 2016-09-19 21:24:54 -06:00
Jeremy Soller abdbadfea3 Minimize locking in schemes. Reenable pcid and ion launch in init. WIP: Userspace schemes 2016-09-19 18:29:28 -06:00
Jeremy Soller 36fde7c7c5 Allow userspace to handle IRQs (WIP). Create basic keyboard handler 2016-09-18 20:17:08 -06:00
Jeremy Soller 483d466b1a Add fsync. Add env scheme, currently hardcoded to get ion to launch. Make serial IRQ send data to debug scheme 2016-09-18 17:55:35 -06:00
Jeremy Soller 1b056395bb Canonicalize paths in open 2016-09-18 12:54:10 -06:00
Jeremy Soller cfbaccf4d2 Complete execve - add argument support using safe ABI 2016-09-17 21:44:50 -06:00
Jeremy Soller 57f5699664 Update libstd. Add CWD and associated syscalls. Remove debugging 2016-09-17 19:01:34 -06:00
Jeremy Soller dfbcca99dd Add exit status to status enum 2016-09-17 09:23:36 -06:00
Jeremy Soller 3e726a5d0d Implement the typical use of waitpid 2016-09-16 18:50:47 -06:00
Jeremy Soller e680a84a57 Allow cloning of files and memory 2016-09-16 18:27:54 -06:00
Jeremy Soller 8ee9f1d7da work on shared memory accross threads 2016-09-16 17:51:27 -06:00
Jeremy Soller 0b2fd79816 Panic upon use of unsupported flags 2016-09-16 13:45:00 -06:00
Jeremy Soller 6ad843184d Collapse status of context into one status variable 2016-09-16 11:10:53 -06:00
Jeremy Soller 53a5a9188a Remove debugging 2016-09-15 08:39:20 -06:00
Jeremy Soller 33e098c124 Fix implementation of clone and exec. Now the init process can load and execute the pci driver 2016-09-15 08:35:07 -06:00
Jeremy Soller b01a918556 WIP: Create new page table for clone 2016-09-14 22:21:52 -06:00
Jeremy Soller 83bc8a0da5 Higher-half kernel mapping. Unmap where possible, freeing up lower memory 2016-09-14 20:47:55 -06:00
Jeremy Soller 6e16298e71 WIP: Copy usermode stack 2016-09-13 21:27:27 -06:00
Jeremy Soller dc87afd2ac Fix userspace clone by clobbering all variables on clone 2016-09-13 20:31:45 -06:00
Jeremy Soller ce50faf7ca Allow cloning of kernel threads. Userspace breaks potentially due to stack aliasing 2016-09-13 20:06:39 -06:00
Jeremy Soller 4341a2d725 Use flush_all instead of flush for performance 2016-09-13 11:20:55 -06:00
Jeremy Soller 85fef883d6 Implement exit, partly 2016-09-11 22:03:03 -06:00
Jeremy Soller aa2915001e Clear memory on demand 2016-09-11 21:47:44 -06:00
Jeremy Soller 0d101ae5fa Cleanup heap management 2016-09-11 21:18:18 -06:00
Jeremy Soller bcd318d80b Store context memory information 2016-09-11 21:04:34 -06:00
Jeremy Soller f0431f4de1 Allow exec, emulate clone by pretending to be child 2016-09-11 18:03:10 -06:00
Jeremy Soller 2fffe3ee77 Fix close, add dup 2016-09-11 17:31:21 -06:00
Jeremy Soller 951831c4bb Improve init process, debug missing syscalls, fix error codes in syscall return 2016-09-11 16:48:58 -06:00
Jeremy Soller c9a4b3882c PCI driver WIP 2016-09-11 15:56:48 -06:00
Jeremy Soller 8563961f28 Flush TLB correctly when remapping
Seperate mouse and keyboard structs in PS/2 driver
2016-09-11 15:02:35 -06:00
Jeremy Soller 44e8b99b46 Implement exec
Implement brk
2016-09-10 22:06:09 -06:00
Jeremy Soller 842826c1b0 Implement sched_yield, enable interrupts in userspace 2016-09-10 19:18:59 -06:00
Jeremy Soller bd7bca30fa Remove debugging messages, launch elf on APs 2016-09-10 19:03:31 -06:00
Jeremy Soller aeadd17bb5 Connect schemes so that they can be used 2016-09-08 20:06:33 -06:00
Jeremy Soller 9afe0645e1 Cleanup to use question mark 2016-09-08 19:31:26 -06:00
Jeremy Soller fb0df8530d Debug reads writes better, set up stdio for BSP 2016-09-07 21:32:09 -06:00
Jeremy Soller 5b9c821ff5 Initialize contexts, add getpid 2016-08-20 14:32:45 -06:00
Jeremy Soller 3b8f396229 Context list class, static context ID magic 2016-08-20 13:43:35 -06:00
Jeremy Soller 5588c38178 Add syscall handler, still work in progress
Add elf files
2016-08-18 19:44:31 -06:00
Jeremy Soller 490dd16776 Refactor context list 2016-08-18 08:30:45 -06:00