Stefan Lankes
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83ea776de8
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remove conflict
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2015-01-17 16:46:14 +01:00 |
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Stefan Lankes
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bdebe44a26
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Merge branch 'stage5' into stage6
Conflicts:
arch/x86/include/asm/page.h
arch/x86/kernel/entry.asm
arch/x86/mm/page.c
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2015-01-17 16:45:06 +01:00 |
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Stefan Lankes
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7f8e4d2934
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remove obsolte code and switch back to Steffen's revised page handling
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2015-01-17 16:17:20 +01:00 |
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Stefan Lankes
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f1dd432a53
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merge Steffen's heap implementation into eduOS
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2015-01-12 22:35:08 +01:00 |
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Stefan Lankes
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9af10f2f53
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fix bug in the calculation of the number of gdt entries
Signed-off-by: Stefan Lankes <slankes@eonerc.rwth-aachen.de>
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2015-01-04 04:54:57 +01:00 |
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Stefan Lankes
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7228ff3b12
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fix bug in the calculation of the number of gdt entries
Signed-off-by: Stefan Lankes <slankes@eonerc.rwth-aachen.de>
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2015-01-04 04:54:02 +01:00 |
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Stefan Lankes
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87668dd5cc
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support of high addresses by early printing via UART
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2014-12-29 12:18:55 +01:00 |
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Stefan Lankes
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211fa113f0
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add helper function to map a page frame into the boot page table
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2014-12-29 12:17:18 +01:00 |
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Stefan Lankes
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2e75a39295
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increasing the readability
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2014-12-29 12:11:15 +01:00 |
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Stefan Lankes
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83a4832d15
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usage of the boot paramter to establish an early output device
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2014-12-29 00:15:03 +01:00 |
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Stefan Lankes
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c26a8fa4f8
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extend the function pci_get_device_info to determine a device with a specific IO address
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2014-12-29 00:13:57 +01:00 |
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Stefan Lankes
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21b6fdf309
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add macro to determine if the bootloader append a cmdline string
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2014-12-29 00:12:12 +01:00 |
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Stefan Lankes
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eaaaaeb4bd
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Merge branch 'stage5' into stage6
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2014-12-28 19:19:09 +01:00 |
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Stefan Lankes
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6eefe8f2bd
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disable FPU support
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2014-12-28 19:18:13 +01:00 |
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Stefan Lankes
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f0c0a764ea
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Merge branch 'stage5' into stage6
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2014-12-27 23:28:25 +01:00 |
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Stefan Lankes
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03cf4a4f94
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fix wrong page attributes
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2014-12-27 23:21:49 +01:00 |
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Stefan Lankes
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239ee0c051
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fix wrong initialization of CR4
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2014-12-27 23:20:45 +01:00 |
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Stefan Lankes
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840a28465d
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remove obsolete graphic field
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2014-12-23 07:52:21 +01:00 |
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Stefan Lankes
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5a5ddb35e2
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add missing address and graphic field of the multiboot header
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2014-12-22 23:21:57 +01:00 |
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9a2cb452e5
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fixes wrong return value of page_map(), fixes #2y
Signed-off-by: Stefan Lankes <slankes@eonerc.rwth-aachen.de>
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2014-12-20 07:33:13 +01:00 |
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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 |
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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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