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90937daeb5
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fixes wrong return value of page_map(), fixes #2y
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2014-12-20 00:47:07 +01:00 |
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Stefan Lankes
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0192f70338
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Merge branch 'stage6' of https://github.com/RWTH-OS/eduOS into stage6
Conflicts:
Makefile.example
arch/x86/kernel/uart.c
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2014-12-19 22:05:15 +01:00 |
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Stefan Lankes
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dc8232374f
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some cleanups
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2014-12-19 21:50:26 +01:00 |
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Stefan Lankes
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44cc72b94e
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code cleanups, remove debug messages
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2014-12-19 21:41:33 +01:00 |
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daniel-k
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dd961f8558
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extent uart driver with stubs for additional interrupts and also look for
qemu's pci-serial-2x and pci-serial-4x devices
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2014-12-19 17:05:01 +01:00 |
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Stefan Lankes
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a945d498d7
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reduce the number of interrupts, some cleanups
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2014-12-19 11:36:09 +01:00 |
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Stefan Lankes
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dabd33f37c
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add helper functions to determine if the pci device use MMIO or IO ports
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2014-12-19 11:35:24 +01:00 |
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Stefan Lankes
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75b39829f8
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use flag PG_GLOBAL to map the video memory
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2014-12-14 23:41:24 +01:00 |
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Stefan Lankes
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8cc32095af
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some cleanup
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2014-12-14 23:40:08 +01:00 |
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Stefan Lankes
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1936c4b3eb
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remove typo in a comment
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2014-12-13 18:47:02 +01:00 |
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Stefan Lankes
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4a9440dd62
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redesign of the IO interface
- all messages are stored in a ring buffer
- new devices (e.g. UART) are able to print previous messages
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2014-12-13 18:00:35 +01:00 |
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Stefan Lankes
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7a15541d82
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add function to detect processor features
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2014-12-13 17:56:46 +01:00 |
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Stefan Lankes
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ad291c5294
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add new function to determin if a device supports MMIO
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2014-12-13 17:53:42 +01:00 |
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Stefan Lankes
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3725b1f6d0
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minor modifications in atomic_int32_inc/_dec
=> now, the functions returns also the current counter
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2014-12-13 15:14:31 +01:00 |
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Stefan Lankes
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3d84f776be
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preperation to support memory mapped io
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2014-12-12 14:44:21 +01:00 |
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Stefan Lankes
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e97f08d2ea
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add Daniel to the author list
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2014-12-12 13:59:23 +01:00 |
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Stefan Lankes
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168c8a30ab
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create task to handle incoming messages
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2014-12-11 22:43:45 +01:00 |
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Stefan Lankes
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9ae03d14d5
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cosmetic changes
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2014-12-09 22:35:38 +01:00 |
|
Stefan Lankes
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e3042f167a
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add missing copyright statement
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2014-12-09 22:32:59 +01:00 |
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Stefan Lankes
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9d7bd72ed1
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add missing list of pciids
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2014-12-09 10:52:47 +01:00 |
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Stefan Lankes
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df0b192e21
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add basic support of an UART device
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2014-12-09 10:09:03 +01:00 |
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Stefan Lankes
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5ec1a4e98e
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add Steffen in the copyright statement
=> he complety redesign my paging implementation
=> clearly better than my previous version
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2014-12-05 07:29:38 +01:00 |
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Stefan Lankes
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4f6792e3c2
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Merge remote-tracking branch 'stv0g/stage5' into stage5
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2014-12-04 22:24:58 +01:00 |
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Stefan Lankes
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c0d69c96be
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add demo of a user-level process
dirty hack, map the function userfoo and its stack to user space
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2014-12-04 22:19:18 +01:00 |
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42571eb4eb
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added proper accounting of user used page frames
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2014-12-04 21:44:02 +01:00 |
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5c4e1cee4f
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add PG_PRESENT by default
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2014-12-04 21:38:41 +01:00 |
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09acfdfdf3
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rewrite of page_map_{copy,drop} functions
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2014-12-04 20:42:58 +01:00 |
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18378417a7
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added new custom paging flag to mark page table entries which are used for self-references
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2014-12-04 20:41:39 +01:00 |
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27274dad67
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added proper locking primitives for 'per task' page tables
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2014-12-04 20:35:19 +01:00 |
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67b8ca111a
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a few cleanups
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2014-12-04 20:33:28 +01:00 |
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Stefan Lankes
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e9960dc78e
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get_current_stack set CR3 => required for a context switch
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2014-12-03 23:10:32 +01:00 |
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2cf3c89a40
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fixed syntax errors and compiler warnings in new branch
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2014-11-28 03:20:31 +01:00 |
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1a20a9fb45
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Merge branch 'paging' into paging-fork
Conflicts:
arch/x86/mm/page.c
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2014-11-28 02:45:05 +01:00 |
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2189214003
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removed obsolescent variable
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2014-11-28 02:28:33 +01:00 |
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883756d0b4
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improved documentation
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2014-11-28 02:26:40 +01:00 |
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95791bb12c
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made pagefault handler more verbose
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2014-11-28 02:15:49 +01:00 |
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d289601a0e
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smaller cleanups
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2014-11-28 02:15:15 +01:00 |
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b33107eef7
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removed userspace fork/kill support to separate branch
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2014-11-28 02:00:35 +01:00 |
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a471243f83
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added first version of userspace fork/kill support to new branch
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2014-11-28 01:42:41 +01:00 |
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58876ffe05
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simplified code, fixed smaller bugs
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2014-11-28 01:39:56 +01:00 |
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84fb712308
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removed unnecessary TLB flush
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2014-08-21 22:26:19 +02:00 |
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d190d4c46c
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create self-reference directly in assembler .data section
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2014-08-21 22:25:45 +02:00 |
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fbf55178c1
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added first version of paging code
(only page_map() works for now)
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2014-08-21 20:17:02 +02:00 |
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9b4714113a
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added functions to handle TLB invalidation and control register access
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2014-08-21 20:14:59 +02:00 |
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e514ae24f8
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added some preprocessor macros for upcoming paging code
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2014-08-21 20:13:55 +02:00 |
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838ad909c6
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replaced multiboot_init() by global pointer in entry.asm
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2014-06-30 12:15:52 +02:00 |
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ee3166c21b
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enabled paging by using a transparent idendity paging during boot
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2014-06-30 01:47:33 +02:00 |
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2621c0b261
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fixed comment capitalization, style and indentions
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2014-06-30 01:46:59 +02:00 |
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153447482a
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added headers for paging code
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2014-06-30 00:15:20 +02:00 |
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92c90c299a
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added bitmap initialization based on Multiboot infos
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2014-06-30 00:10:04 +02:00 |
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