Commit graph

3852 commits

Author SHA1 Message Date
Jeremy Soller 94ad63de11 Remove warnings 2016-09-19 17:28:22 -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 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 7561839cfc Do not optimize kernel 2016-09-17 09:23:55 -06:00
Jeremy Soller dfbcca99dd Add exit status to status enum 2016-09-17 09:23:36 -06:00
Jeremy Soller da9e703c4d Remove debug break 2016-09-17 09:20:13 -06:00
Jeremy Soller d5766c092f Remove debug breaks 2016-09-17 09:19:55 -06:00
Jeremy Soller b8d19746e4 Fix creation of kstack 2016-09-17 09:18:35 -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 0cb5a1045a Debug init exec and wait 2016-09-17 08:10:44 -06:00
Jeremy Soller 9ad8ea7dd2 Run pcid as a daemon 2016-09-17 08:09:32 -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 a4f8613971 Merge pull request #5 from redox-os/clone
Clone
2016-09-15 08:56:41 -06:00
Jeremy Soller aa7e38882b Map display in kernel shared memory 2016-09-15 08:50:29 -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 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 4341a2d725 Use flush_all instead of flush for performance 2016-09-13 11:20:55 -06:00
Jeremy Soller 0a2abe0f54 Initialize FPU and SSE on APs 2016-09-12 20:37:22 -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 6560cc653b Simplify bootloader GDT 2016-09-12 15:49:54 -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 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