Commit graph

151 commits

Author SHA1 Message Date
7d756306cf removed more 32 bit only paging code which is broken anyway 2014-06-14 17:57:52 +02:00
4f5e2ce13b heading towards merging the 32/64 paging code 2014-05-14 18:56:15 +02:00
1f641e440c simplified macros 2014-05-14 15:13:11 +02:00
d358a78e56 added comments and @author 2014-05-14 15:11:02 +02:00
00127d06cf some cleanup 2014-04-15 16:28:02 +02:00
6bd2f64687 set PG_GLOBAL flag on pagetables
this leads to global self-mapped page tables
and therefore reduces to effect of TLB shootdowns.
2014-04-15 16:27:16 +02:00
3203d53a83 another rewrite of the paging code without nested functions 2014-02-18 13:08:22 +01:00
eb0298fc2f moved some helper functions to page_helpers.h (mostly static inline address calculation) 2014-02-07 11:01:10 +01:00
a3d621142a added paging and memory related CPUID feature flags 2014-01-28 11:09:00 +01:00
5a20e0953f we do not need syncronization for virt_to_phys (atomic memory access) 2014-01-09 16:55:05 +01:00
af9bda06f8 renamed mmu.h to memory.h as its not related to the MMU and contains
prototypes for memory.c
2014-01-09 16:20:18 +01:00
d5f60ef542 fixed two smaller bugs and some compiler warnings 2014-01-09 16:12:13 +01:00
11977e40bc implemented userspace task loading and userpsace heap management with the new vma_list 2014-01-09 14:06:09 +01:00
d7644300a8 code cleanup of task creation and some additions to the previous commit 2014-01-09 13:59:01 +01:00
ab67350783 thats a huge commit: reimplemented all remaining page map functions according to the new page_iterate() 2014-01-09 13:44:20 +01:00
494ee1299a unified and extended pagefault exception handler
some cleanup
2014-01-09 13:32:00 +01:00
d5ac6e6092 added macros for x86 control registers & some MSRs 2014-01-09 13:13:59 +01:00
066e29fde9 added NX bit support
renamed some CPP macros
2014-01-09 12:49:04 +01:00
c21ea42058 added page_dump() and page_stats() for testing and demonstration of page_iterate() 2013-12-03 16:40:14 +01:00
8fe165c162 added page_iterate(): a recursive page tree walker 2013-12-03 16:34:34 +01:00
4514080014 enable global pages for the kernelspace 2013-12-03 15:54:58 +01:00
fff2708c5a move page map setup to arch_paging_init() 2013-12-03 15:52:16 +01:00
443ffdf012 replaced PAGE_ALIGN macro by PAGE_CEIL, PAGE_FLOOR pair 2013-12-03 15:29:05 +01:00
2923b1a7ed cleanup of macros and comments, idention etc... 2013-12-03 15:26:21 +01:00
edf178f39a Merge branch 'vogel' into x64_paging 2013-11-26 17:25:53 +01:00
a972efe288 Merge branch 'vma_kernel' into vogel
Conflicts:
	kernel/tasks.c
2013-11-20 14:00:04 +01:00
9db28ec380 using PAGE_ALIGN macro to calc pages 2013-11-20 13:43:18 +01:00
de33962e9d removed old vm_alloc()/vm_free() which have been replaced by vma_alloc()/vma_free() 2013-11-20 13:22:09 +01:00
aa1730919e standardized comment format and code cleanup 2013-11-20 12:03:24 +01:00
ec171dfcce implemented map_region() (more testing needed; will propably replaced by a iterative solution) 2013-11-14 13:12:35 +01:00
892154c9f1 implemented drop_page_map() (more testing needed) 2013-11-14 13:09:56 +01:00
bbb8c5c186 implemented copy_page_frame() (more testing needed) 2013-11-14 13:09:31 +01:00
92b2badf71 implemented copy_page_map() (more testing needed) 2013-11-14 13:08:56 +01:00
cdcd9e7d20 implemented create_page_map() 2013-11-14 12:25:52 +01:00
14938ef7e1 added some helper functions to for the recursive mapping structures 2013-11-14 12:25:07 +01:00
4b485f5733 implemented virt_to_phys() 2013-11-14 12:23:42 +01:00
9441d21d89 more cleanup of old 32bit code relicts, typos and indention 2013-11-14 12:22:52 +01:00
fca96e9851 unified paging preprocessor #defines and naming scheme 2013-10-24 12:36:05 +02:00
Steffen Vogel
9b47b3ef45 refactored paging code to be more universial and suitable for 64bit paging 2013-10-16 17:50:37 +02:00
1fc3e40c4e fixed some typos, added comments and some code cleanup 2013-10-10 11:09:36 +02:00
Stefan Lankes
941a7006a4 backport of the 32bit code 2012-09-10 15:37:45 +02:00
Stefan Lankes
e1c3ddbc8d use irqsave page directory lock to avoid deadlocks 2012-09-10 13:41:00 +02:00
Stefan Lankes
4131221b9a By entering/leaving the kernel, DS and ES registers will be saved/restored. 2012-08-24 20:21:21 +02:00
Stefan Lankes
e2550fbdb2 avoid deadlock by disabling interrupts in map_region
- the page_fault handler uses also map_region and implicitly its spinlock
- risk of a deadlock
2012-08-01 21:12:55 +02:00
Stefan Lankes
8b91ff3fff remove some compiler warnings 2012-07-22 20:10:16 +02:00
Stefan Lankes
9d422ed700 define the function shmalloc to allocate a shared page
caution, the function returns the physical address
2012-07-15 05:57:39 -07:00
Stefan Lankes
531556f53c remove warnings, optimize vm_alloc 2012-06-12 09:24:38 +02:00
Stefan Lankes
1e275732c5 simplify the APIC and GDT code 2012-06-10 23:40:22 +02:00
Stefan Lankes
609500a6d8 add additional output messages 2012-06-10 12:10:54 +02:00
Stefan Lankes
c2935e2f66 remove "unsecure" usage of get_page in page_init 2012-06-10 11:53:33 +02:00