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572 Commits 18 Branches 28 Tags 44 MiB
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187 Commits

Author SHA1 Message Date
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
Jeremy Soller
9afe0645e1 Cleanup to use question mark 2016-09-08 19:31:26 -06:00
Jeremy Soller
46f9f90e3c Add syscall library, make init program Rust 2016-09-08 19:10:50 -06:00
Jeremy Soller
fb0df8530d Debug reads writes better, set up stdio for BSP 2016-09-07 21:32:09 -06:00
Jeremy Soller
850792bbf1 Load a very simple ELF and launch it in usermode 2016-09-07 21:16:30 -06:00
Jeremy Soller
0ccfd2125a Improve efficiency of kernel console 2016-09-01 14:39:45 -06:00
Jeremy Soller
d7d61f82af Draw on VESA for console using ransid 2016-09-01 11:51:33 -06:00
Jeremy Soller
53c71d9183 Warnings removal 2016-09-01 11:14:47 -06:00
Jeremy Soller
f784e9a06a Fill in all exception and IRQ entries. Handle PIT, keyboard IRQs 2016-08-31 17:45:21 -06:00
ticki
a9a8c2b340 Merge branch 'master' of github.com:redox-os/kernel 2016-08-31 17:02:47 +02:00
ticki
03e7f221a8 Add the Fd definition file. 
Damn, I forgot to `git add` it.
 2016-08-31 17:01:08 +02:00
Jeremy Soller
165485b721 Add file descriptor type 2016-08-30 16:27:10 -06:00
Jeremy Soller
de761ce921 Merge branch 'master' of https://github.com/redox-os/kernel 2016-08-30 16:23:56 -06:00
Jeremy Soller
d3dfff8d51 Improvements for context switching 2016-08-30 16:23:51 -06:00
ticki
94a1a0fa0c Newtype file descriptors. 
To avoid various bugs regarding the typing of file descriptors, we
newtype them into a simple wrapper type.

- Document some stuff.
 2016-08-29 11:58:31 +02:00
Jeremy Soller
6e3f59ba8e Simple, unsafe context switch 2016-08-28 18:38:53 -06:00
Jeremy Soller
6715d5c534 Arm! 2016-08-25 17:03:01 -06:00
Jeremy Soller
c9d338715d Fix the build. Sorry 2016-08-24 19:30:14 -06:00
Jeremy Soller
2be7ccaec2 Arch context in kernel context 2016-08-24 10:35:42 -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
0501b2580d Setup independent page tables, map heap to a single location 2016-08-19 14:53:16 -06:00
Jeremy Soller
55a0154eac Switch to goblin as executable parser 2016-08-19 07:57:24 -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
71a17070b1 Remove clone from context 2016-08-18 09:02:31 -06:00
Jeremy Soller
490dd16776 Refactor context list 2016-08-18 08:30:45 -06:00
Jeremy Soller
2de2d4cac4 Cleanup schemes list, remove lazy_static 2016-08-18 08:10:08 -06:00
Jeremy Soller
8ddddcec9f Print out more useful information about AP and BSP, create kmain_ap 2016-08-17 19:38:04 -06:00
Jeremy Soller
0d995bfb5c Keep track of AP count, allocate bigger AP stack, stack trace function 2016-08-17 19:34:33 -06:00
Jeremy Soller
b756dd59eb Remove warnings 2016-08-17 16:54:48 -06:00
Jeremy Soller
d383cfb595 Lazy static init of schemes 2016-08-16 11:04:14 -06:00
Jeremy Soller
2a66a84a50 Cleanup, use spinlock for allocator 2016-08-15 15:01:24 -06:00
Jeremy Soller
cc8fe85e6a GDT and IDT in kernel space 
Paging constructs completed, remap kernel before jumping to kmain
Panic will do a stack trace
Remove SSE from none target
 2016-08-15 14:34:20 -06:00
Jeremy Soller
465363f0a1 Add simple paging, use rust libcore and compile without sse 2016-08-15 11:30:14 -06:00
Jeremy Soller
9f0819dafb Bump allocator 2016-08-14 22:05:32 -06:00
Jeremy Soller
19077d69db WIP: Schemes 2016-08-14 21:38:32 -06:00
Jeremy Soller
8a6d9b8c9d Test for BadFile 2016-08-14 19:17:55 -06:00
Jeremy Soller
d97e2e4b4a Add stdout/stderr tests 2016-08-14 18:22:50 -06:00
Jeremy Soller
4e270bb807 Add context and file structs 2016-08-14 18:16:56 -06:00
Jeremy Soller
49739d47e8 WIP: Exec 2016-08-14 16:07:41 -06:00
Jeremy Soller
a490ff13ae Add syscall module 2016-08-14 15:58:35 -06:00
Jeremy Soller
29b6544d8f Add test architecture 2016-08-14 14:59:18 -06:00
ticki
1c9b6361c9 Merge branch 'master' of github.com:redox-os/kernel 2016-08-14 20:55:19 +02:00
ticki
740aabad90 Interrupt tables. 
We add lookup table for interrupt descriptions containing information
about the CPU exceptions etc.
 2016-08-14 20:54:23 +02:00
Jeremy Soller
ef22aafb60 Add comment 2016-08-14 12:11:53 -06:00
Jeremy Soller
2730144e2a Move arch to seperate crate 2016-08-14 11:45:47 -06:00
ticki
3967c0f291 Strongly typed virtual/physical memory seperation. 
This minicommit introduces two newtpyes, `Physical` and `Virtual`,
respectively. These serves as a way to segregate the different forms of
addresses to avoid the issues we had in the old kernel.
 2016-08-14 19:21:21 +02:00
ticki
f8bd171efd Rename the src directory to kernel. 2016-08-14 18:42:32 +02:00