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46 commits

Author SHA1 Message Date
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 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 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 bed09d0518 Allow thread control block to be moved 2016-09-11 18:25:05 -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 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 850792bbf1 Load a very simple ELF and launch it in usermode 2016-09-07 21:16:30 -06:00
Jeremy Soller f45958f449 Fix stack trace, WIP usermode 2016-09-02 12:27:45 -06:00
Jeremy Soller f14569e313 Only one AP can start at a time 2016-09-01 17:08:43 -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 f784e9a06a Fill in all exception and IRQ entries. Handle PIT, keyboard IRQs 2016-08-31 17:45:21 -06:00
Jeremy Soller d3dfff8d51 Improvements for context switching 2016-08-30 16:23:51 -06:00
Jeremy Soller 6e3f59ba8e Simple, unsafe context switch 2016-08-28 18:38:53 -06:00
Jeremy Soller 234fb64999 Add display 2016-08-24 20:10:55 -06:00
Jeremy Soller f6e57ff5d1 Add arch context, WIP switching 2016-08-22 19:56:35 -06:00
Jeremy Soller 4ced24e8d1 Setup TSS, using thread local storage 2016-08-22 14:53:03 -06:00
Jeremy Soller 3eca1e3451 Thread local TSS 2016-08-22 14:47:33 -06:00
Jeremy Soller 7a59e08e70 Fix thread locals 2016-08-20 08:39:03 -06:00
Jeremy Soller 8ddd0ad3f0 WIP: Thread control block and TSS in kernel 2016-08-19 17:38:37 -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 5588c38178 Add syscall handler, still work in progress 
Add elf files
 2016-08-18 19:44:31 -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 26c86f8242 Set page table of AP to BSP, to allow mapping of heap to be shared 2016-08-17 19:06:33 -06:00
Jeremy Soller 48741e3b99 Do not map heap on AP, due to it being independent from the BSP heap. We need to adjust the mapping so that kernel mappings are shared accross processors, probably using higher half mapping for the kernel 2016-08-17 17:46:56 -06:00
Jeremy Soller ec1302bbe1 Remove debugging 2016-08-17 17:41:42 -06:00
Jeremy Soller b0797a5d8a Allocate a very small 4K stack for the other CPUs, increase count to 4 2016-08-17 17:40:18 -06:00
Jeremy Soller b756dd59eb Remove warnings 2016-08-17 16:54:48 -06:00
Jeremy Soller 78432b3875 Move frame allocation to two global functions, locking happens inside them 2016-08-17 16:26:43 -06:00
Jeremy Soller ebf9766ef5 Map kernel in AP, WIP 2016-08-17 15:47:54 -06:00
Jeremy Soller 27d5996abf Get the APs into rust code, set stack and page table in trampoline 2016-08-16 21:25:48 -06:00
Jeremy Soller 7a1c263bc1 WIP: ACPI 
Map and find ACPI tables, starting with RSDT
 2016-08-15 18:37:58 -06:00
Jeremy Soller fda1ab2327 Global allocator, page table - protected by spinlock 2016-08-15 16:29:54 -06:00
Jeremy Soller 617516b949 Move main to start 2016-08-15 15:32:33 -06:00
Renamed from arch/x86_64/src/main.rs (Browse further)