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120 commits

Author SHA1 Message Date
Jeremy Soller 224c43f761 Orbital (#16) 
* Port previous ethernet scheme

* Add ipd

* Fix initfs rebuilds, use QEMU user networking addresses in ipd

* Add tcp/udp, netutils, dns, and network config

* Add fsync to network driver

* Add dns, router, subnet by default

* Fix e1000 driver. Make ethernet and IP non-blocking to avoid deadlocks

* Add orbital server, WIP

* Add futex

* Add orbutils and orbital

* Update libstd, orbutils, and orbital
Move ANSI key encoding to vesad

* Add orbital assets

* Update orbital

* Update to add login manager

* Add blocking primitives, block for most things except waitpid, update orbital

* Wait in waitpid and IRQ, improvements for other waits

* Fevent in root scheme

* WIP: Switch to using fevent

* Reorganize

* Event based e1000d driver

* Superuser-only access to some network schemes, display, and disk

* Superuser root and irq schemes

* Fix orbital
 2016-10-13 17:21:42 -06:00
Jeremy Soller 5d7b0a3889 Enable interrupt flag in userspace 2016-10-06 20:52:24 -06:00
Jeremy Soller 64cc730eac Time (#11) 
* WIP: Time syscalls

* Count time from PIT using low tickrate

* Implement realtime

* Implement nanosleep with a tight loop
 2016-10-06 20:50:14 -06:00
Jeremy Soller 4331195693 Allocate AP stack linearly 2016-09-28 08:59:14 -06:00
Jeremy Soller d72609898a Fix allocate_frames 2016-09-26 17:13:35 -06:00
Jeremy Soller dad81d3c46 WIP: AHCI drivers and more memory syscalls 2016-09-26 17:00:06 -06:00
Jeremy Soller 79f7e09230 Add FX 2016-09-22 16:13:05 -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 0540726890 Fix context_switch_unlock being optimized out 2016-09-21 14:47:45 -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 be3bcbb878 Add function for getting mapped page flags 2016-09-20 17:36:36 -06:00
Jeremy Soller 941fc0b494 Grant to allow passing data to scheme handler 2016-09-20 14:50:04 -06:00
Jeremy Soller 0b3be623fc Move PS/2 driver to userspace 2016-09-19 17:19:49 -06:00
Jeremy Soller c957c2a105 PS/2 driver convert to char 2016-09-19 10:24:19 -06:00
Jeremy Soller 727647dbf1 Seperate PS/2 keyboard and mouse driver 2016-09-19 09:43:30 -06:00
Jeremy Soller 70a2faa0c7 Correctly position stack in higher half 2016-09-19 08:46:11 -06:00
Jeremy Soller 1331f4103f Unlock context switch lock without potentially screwing up switch_to function 2016-09-18 21:05:59 -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 4bcee99d9f Add mechanism to read IRQ count 2016-09-18 18:59:46 -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 cfbaccf4d2 Complete execve - add argument support using safe ABI 2016-09-17 21:44:50 -06:00
Jeremy Soller d5766c092f Remove debug breaks 2016-09-17 09:19:55 -06:00
Jeremy Soller 4e78a12002 Do not halt on page fault, do a stack dump 2016-09-17 08:13:09 -06:00
Jeremy Soller aa7e38882b Map display in kernel shared memory 2016-09-15 08:50:29 -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 c000820d72 Move kernel heap into kernel PML4, now a single PML4 needs to be copied to initialize a new table 2016-09-14 21:28:09 -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 3f9012b931 Restore page fault handler 2016-09-13 20:35:01 -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 31fdc8f175 Cleanup usermode jump 2016-09-12 17:52:38 -06:00
Jeremy Soller e50e6d2e4f Remove user TLS 2016-09-12 15:52:04 -06:00
Jeremy Soller ea8b9189a3 Pass page table of BSP to AP 2016-09-12 15:50:16 -06:00
Jeremy Soller 6d675fc43a Map kernel TLS to general area 2016-09-12 15:02:03 -06:00
Jeremy Soller 11eddfecd1 Cleanup PML4 entries, pass correct cpu ID to trampoline 2016-09-12 13:06:00 -06:00
Jeremy Soller 1298e38ed8 cr3 in context 2016-09-12 12:21:34 -06:00
Jeremy Soller bed09d0518 Allow thread control block to be moved 2016-09-11 18:25:05 -06:00
Jeremy Soller f05cc96db1 KVM default off, ack after irq handling 2016-09-11 15:13:09 -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 00db6ddd62 vga=no mode and serial echo 2016-09-10 19:24:16 -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 ce717ff277 Reorganize kernel memory mappings 2016-09-10 18:48:27 -06:00
Jeremy Soller 7ace92c60c Show where frame allocator ran out 2016-09-10 16:28:01 -06:00
Jeremy Soller 729c7fd004 Prepare for higher half 2016-09-09 18:31:48 -06:00