Commit graph

93 commits

Author SHA1 Message Date
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
Jeremy Soller 5d97fd75c7 Fix crash in libstd 2016-09-09 17:25:56 -06:00
Jeremy Soller 3cd846a756 Update rust, use redox branch to prepare for libstd 2016-09-09 15:48:54 -06:00
Jeremy Soller fcec69efdc remove bochs breaks 2016-09-08 15:53:45 -06:00
Jeremy Soller a5d79d7957 Nographic mode, fix userspace transition by setting kernel TLS back on syscall 2016-09-08 15:45:26 -06:00
Jeremy Soller fb0df8530d Debug reads writes better, set up stdio for BSP 2016-09-07 21:32:09 -06:00
Jeremy Soller 850792bbf1 Load a very simple ELF and launch it in usermode 2016-09-07 21:16:30 -06:00
Jeremy Soller 398838dc1b Log bad mouse events 2016-09-07 19:35:50 -06:00
Jeremy Soller 486b11eb1c Force scancode set, combine keyboard packets 2016-09-02 14:47:56 -06:00
Jeremy Soller f45958f449 Fix stack trace, WIP usermode 2016-09-02 12:27:45 -06:00
Jeremy Soller 7a4c5de2ae Assertions in PS/2 driver 2016-09-01 21:01:38 -06:00
Jeremy Soller 3d79c653bd Enable display first to catch ps2 output 2016-09-01 20:52:52 -06:00
Jeremy Soller 69faf5f377 Do not disable local apic, it appears to turn off irqs on BSP 2016-09-01 20:23:47 -06:00
Jeremy Soller da88cdcb61 Better debugging messages 2016-09-01 20:16:58 -06:00
Jeremy Soller f706dda8af Support both X2 and XAPIC modes 2016-09-01 19:54:44 -06:00
Jeremy Soller a4da0121ea Make sure to enable xAPIC mode as well as x2APIC mode 2016-09-01 17:23:04 -06:00
Jeremy Soller f14569e313 Only one AP can start at a time 2016-09-01 17:08:43 -06:00
Jeremy Soller c74abfc8a7 Set write combining for AP 2016-09-01 17:08:15 -06:00
Jeremy Soller 7ae58a11d7 Remove debugging times, set PIT to slower frequency 2016-09-01 16:46:34 -06:00
Jeremy Soller 817638b7aa Write combining is useable on real hardware, significantly improving scroll performance 2016-09-01 16:14:42 -06:00
Jeremy Soller ff4d06f678 More efficient iteration in graphics functions 2016-09-01 15:31:39 -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 543ef3d96f Add serial init and serial interrupts 2016-09-01 11:10:56 -06:00
Jeremy Soller 722d738254 Fix mouse position, map display on APs 2016-09-01 08:12:50 -06:00
Jeremy Soller 1e5d992ab5 Show mouse trail 2016-09-01 07:05:46 -06:00
Jeremy Soller 3b700191cf Set up fourth mouse packet 2016-08-31 22:31:51 -06:00