stv0g/eduOS
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity
212 commits 10 branches 0 tags 9.4 MiB
Commit graph

95 commits

Author SHA1 Message Date
Stefan Lankes
06d34e9b67 switch to autotools 2016-01-10 21:50:24 +01:00
Stefan Lankes
6e3f1171de initialize boot task's esp0 with the correct value (and not a pseudo value) 2015-03-08 11:18:08 +01:00
Stefan Lankes
b3b4862b79 fix missinterpretation of the page attributes & code cleanups 2015-03-08 11:05:23 +01:00
Stefan Lankes
f220fc6d4b Merge branch 'stage7' into stage8 2015-01-18 20:43:17 +01:00
Stefan Lankes
774f919a1b Merge branch 'stage6' of https://github.com/RWTH-OS/eduOS into stage6 2015-01-18 20:41:26 +01:00
Stefan Lankes
548cf25120 add records and macros to interpret an ELF binary 2015-01-18 20:33:15 +01:00
Stefan Lankes
a125dd6dce add support to start elf binaries 
- add ELF loader
- create heap on demand (on first touch)
- add system call to increase the heap
 2015-01-18 20:31:32 +01:00
Stefan Lankes
532c631f85 map multiboot info during boot straping into the address space 
required to support mmio devices as output device during startup
 2015-01-17 18:36:32 +01:00
Stefan Lankes
83ea776de8 remove conflict 2015-01-17 16:46:14 +01:00
Stefan Lankes
bdebe44a26 Merge branch 'stage5' into stage6 
Conflicts:
	arch/x86/include/asm/page.h
	arch/x86/kernel/entry.asm
	arch/x86/mm/page.c
 2015-01-17 16:45:06 +01:00
Stefan Lankes
7f8e4d2934 remove obsolte code and switch back to Steffen's revised page handling 2015-01-17 16:17:20 +01:00
Stefan Lankes
f1dd432a53 merge Steffen's heap implementation into eduOS 2015-01-12 22:35:08 +01:00
daniel-k
0277f11570 fix wrong pci id for qemu pci-serial-4x 2015-01-09 09:36:04 +01:00
Stefan Lankes
9af10f2f53 fix bug in the calculation of the number of gdt entries 
Signed-off-by: Stefan Lankes <slankes@eonerc.rwth-aachen.de>
 2015-01-04 04:54:57 +01:00
Stefan Lankes
7228ff3b12 fix bug in the calculation of the number of gdt entries 
Signed-off-by: Stefan Lankes <slankes@eonerc.rwth-aachen.de>
 2015-01-04 04:54:02 +01:00
Stefan Lankes
87668dd5cc support of high addresses by early printing via UART 2014-12-29 12:18:55 +01:00
Stefan Lankes
211fa113f0 add helper function to map a page frame into the boot page table 2014-12-29 12:17:18 +01:00
Stefan Lankes
2e75a39295 increasing the readability 2014-12-29 12:11:15 +01:00
Stefan Lankes
83a4832d15 usage of the boot paramter to establish an early output device 2014-12-29 00:15:03 +01:00
Stefan Lankes
c26a8fa4f8 extend the function pci_get_device_info to determine a device with a specific IO address 2014-12-29 00:13:57 +01:00
Stefan Lankes
21b6fdf309 add macro to determine if the bootloader append a cmdline string 2014-12-29 00:12:12 +01:00
Stefan Lankes
eaaaaeb4bd Merge branch 'stage5' into stage6 2014-12-28 19:19:09 +01:00
Stefan Lankes
6eefe8f2bd disable FPU support 2014-12-28 19:18:13 +01:00
Stefan Lankes
f0c0a764ea Merge branch 'stage5' into stage6 2014-12-27 23:28:25 +01:00
Stefan Lankes
03cf4a4f94 fix wrong page attributes 2014-12-27 23:21:49 +01:00
Stefan Lankes
239ee0c051 fix wrong initialization of CR4 2014-12-27 23:20:45 +01:00
Stefan Lankes
840a28465d remove obsolete graphic field 2014-12-23 07:52:21 +01:00
Stefan Lankes
5a5ddb35e2 add missing address and graphic field of the multiboot header 2014-12-22 23:21:57 +01:00
Steffen Vogel
9a2cb452e5 fixes wrong return value of page_map(), fixes #2y 
Signed-off-by: Stefan Lankes <slankes@eonerc.rwth-aachen.de>
 2014-12-20 07:33:13 +01:00
Steffen Vogel
90937daeb5 fixes wrong return value of page_map(), fixes #2y 2014-12-20 00:47:07 +01:00
Stefan Lankes
0192f70338 Merge branch 'stage6' of https://github.com/RWTH-OS/eduOS into stage6 
Conflicts:
	Makefile.example
	arch/x86/kernel/uart.c
 2014-12-19 22:05:15 +01:00
Stefan Lankes
dc8232374f some cleanups 2014-12-19 21:50:26 +01:00
Stefan Lankes
44cc72b94e code cleanups, remove debug messages 2014-12-19 21:41:33 +01:00
daniel-k
dd961f8558 extent uart driver with stubs for additional interrupts and also look for 
qemu's pci-serial-2x and pci-serial-4x devices
 2014-12-19 17:05:01 +01:00
Stefan Lankes
a945d498d7 reduce the number of interrupts, some cleanups 2014-12-19 11:36:09 +01:00
Stefan Lankes
dabd33f37c add helper functions to determine if the pci device use MMIO or IO ports 2014-12-19 11:35:24 +01:00
Stefan Lankes
75b39829f8 use flag PG_GLOBAL to map the video memory 2014-12-14 23:41:24 +01:00
Stefan Lankes
8cc32095af some cleanup 2014-12-14 23:40:08 +01:00
Stefan Lankes
1936c4b3eb remove typo in a comment 2014-12-13 18:47:02 +01:00
Stefan Lankes
4a9440dd62 redesign of the IO interface 
- all messages are stored in a ring buffer
- new devices (e.g. UART) are able to print previous messages
 2014-12-13 18:00:35 +01:00
Stefan Lankes
7a15541d82 add function to detect processor features 2014-12-13 17:56:46 +01:00
Stefan Lankes
ad291c5294 add new function to determin if a device supports MMIO 2014-12-13 17:53:42 +01:00
Stefan Lankes
3725b1f6d0 minor modifications in atomic_int32_inc/_dec 
=> now, the functions returns also the current counter
 2014-12-13 15:14:31 +01:00
Stefan Lankes
3d84f776be preperation to support memory mapped io 2014-12-12 14:44:21 +01:00
Stefan Lankes
e97f08d2ea add Daniel to the author list 2014-12-12 13:59:23 +01:00
Stefan Lankes
168c8a30ab create task to handle incoming messages 2014-12-11 22:43:45 +01:00
Stefan Lankes
9ae03d14d5 cosmetic changes 2014-12-09 22:35:38 +01:00
Stefan Lankes
e3042f167a add missing copyright statement 2014-12-09 22:32:59 +01:00
Stefan Lankes
9d7bd72ed1 add missing list of pciids 2014-12-09 10:52:47 +01:00
Stefan Lankes
df0b192e21 add basic support of an UART device 2014-12-09 10:09:03 +01:00