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197 commits

Author SHA1 Message Date
David Teller 76ee483cc9 Documenting use of enable_and_halt(). (#21) 2016-10-24 16:03:03 -06:00
Jeremy Soller 221b4c0116 Add CPU ID lock 2016-10-23 11:24:10 -06:00
Jeremy Soller a715e157d4 Make all perCPU mappings available in all contexts - this will allow APs to pick up threads 2016-10-23 09:13:12 -06:00
Jeremy Soller cbac6c4b8d Remove unnecessary context switch in waitpid 2016-10-20 21:50:11 -06:00
Jeremy Soller 38531e2ecc Improve wait condition performance 2016-10-20 21:49:47 -06:00
Jeremy Soller 9037dee817 Do not block on IRQ read, add more debugging to RTL8168/9 2016-10-20 15:49:17 -06:00
Jeremy Soller 8fd25ee318 Add nonblocking root scheme 2016-10-20 12:31:39 -06:00
Jeremy Soller b50b03f8a0 Send multiple events if there are multiple packets 2016-10-14 22:06:43 -06:00
Jeremy Soller 77810d6713 Significant improvements for events - switch to event queue in orbital 2016-10-14 20:12:21 -06:00
Jeremy Soller 6d19f59c08 Allow O_NONBLOCK to be passed to pipe 2016-10-14 19:34:00 -06:00
Jeremy Soller ad448956d6 Add specification to vesad 
Fix piping
Fix bug where resources are not closed
Add arpd
Remove question_mark features
 2016-10-14 18:22:57 -06:00
Jeremy Soller 64402cfe6c Fixes for updating submodules 2016-10-14 12:00:25 -06:00
Jeremy Soller 4985e1b720 Disable orbital by default 2016-10-13 21:19:02 -06:00
Jeremy Soller c907222657 Allow schemes to be listed 2016-10-13 21:13:37 -06:00
Jeremy Soller d18bf07f3e Add sys scheme to allow inspection of processes. WIP: Signals. 2016-10-13 21:00:51 -06:00
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 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 f28a128198 Add pipe2 2016-10-06 18:46:24 -06:00
Jeremy Soller cb5d1fbc58 Add sudo command, add effective UID and GID, and groups file 2016-10-05 20:31:59 -06:00
Jeremy Soller f38426e458 Implement unix permissions 2016-10-05 18:01:05 -06:00
Jeremy Soller 10c88e7424 Merge branch 'encoded_syscall' 2016-10-05 15:43:35 -06:00
Jeremy Soller f4a1d06f07 Add permissions to the filesystem, preliminary permissions to the syscalls 2016-10-05 14:24:08 -06:00
Jeremy Soller b3d980b9ac Implement vfork 2016-09-28 21:33:54 -06:00
Jeremy Soller 5e1d2f8c64 64-bit stat size, read entire executable in one go 2016-09-28 20:42:03 -06:00
Jeremy Soller a716eee4c3 Fix CWD without trainling slash 2016-09-28 11:52:29 -06:00
Jeremy Soller 14d3798a48 mkdir and rmdir 2016-09-28 11:26:49 -06:00
Jeremy Soller a68d5a5237 Fix dup 2016-09-28 11:22:01 -06:00
Jeremy Soller 4488cde338 Unlink syscall 2016-09-28 11:18:28 -06:00
Jeremy Soller f2dcefc882 Fix kernel user scheme fpath 2016-09-28 10:29:17 -06:00
Jeremy Soller a4df5185d2 Remove unnecessary slash 2016-09-26 17:39:58 -06:00
Jeremy Soller dad81d3c46 WIP: AHCI drivers and more memory syscalls 2016-09-26 17:00:06 -06:00
Jeremy Soller 549fe53bc3 Encode many of the file syscalls 2016-09-25 11:20:59 -06:00
Jeremy Soller 0e8487cf83 Event support - demonstration in example scheme 2016-09-23 17:54:39 -06:00
Jeremy Soller 616dfbc055 WIP: Kevent 2016-09-23 15:47:53 -06:00
Jeremy Soller 94ef9dd14a Add env 2016-09-23 11:01:53 -06:00
Jeremy Soller 5b3aeb4a9f Fix path lookup 2016-09-22 21:27:33 -06:00
Jeremy Soller 0d762918e2 Implement fpath in initfs 2016-09-22 21:13:17 -06:00
Jeremy Soller d5ac1a70bd Trim in env scheme, do not debug initfs 2016-09-22 20:49:28 -06:00
Jeremy Soller c77fbdb69e Folders in initfs 2016-09-22 20:26:33 -06:00
Jeremy Soller 9ce5628fa4 Bring in some coreutils 2016-09-22 19:38:09 -06:00
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 61eb0d1ca8 WIP: Userspace console 2016-09-21 12:18:48 -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 941fc0b494 Grant to allow passing data to scheme handler 2016-09-20 14:50:04 -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 791dbfa7ad Implement user schemes. Example in pcid. Currently deadlocks in UserInner 2016-09-20 08:47:16 -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 94ad63de11 Remove warnings 2016-09-19 17:28:22 -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 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 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 b8d19746e4 Fix creation of kstack 2016-09-17 09:18:35 -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 fbbfe16764 Organize context module 2016-09-16 10:44:52 -06:00
Jeremy Soller 997e229f27 Do not have interrupts enabled during context switch 2016-09-15 08:40:16 -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 6d675fc43a Map kernel TLS to general area 2016-09-12 15:02:03 -06:00
Jeremy Soller 1298e38ed8 cr3 in context 2016-09-12 12:21:34 -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 9796d21906 Add comments 2016-09-11 21:35:02 -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 f2ca411cd6 Load init from initfs 2016-09-10 19:42:26 -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 0b1265d87e Seperate kernel and userspace targets 2016-09-09 19:08:04 -06:00
Jeremy Soller 9040789987 Remove debug warnings 2016-09-09 17:30:22 -06:00
Jeremy Soller aeadd17bb5 Connect schemes so that they can be used 2016-09-08 20:06:33 -06:00