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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e4d215d3d3
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Merge branch 'master' of github.com:stv0g/eduOS
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2014-12-20 00:48:15 +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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Stefan Lankes
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15073197a9
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fix issue in the configuration of the UART device
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2014-12-19 21:38:42 +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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daniel-k
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bc9c1098d2
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adjust qemu commandline to enable serial communication with telnet
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2014-12-19 17:01:12 +01:00 |
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daniel-k
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19f871579d
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Don't strip debug symbols of elf to use as symbol-file in gdb (fix crashing
gdb 7.7.1 on Ubuntu). Add debug-eclipse target and use target-specific CFLAGS
for debug targets.
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2014-12-19 11:42:05 +01:00 |
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daniel-k
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2df269eac0
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fix typo in Makefile example
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2014-12-19 11:42:05 +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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926f818e83
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reduce the number of debug messages
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2014-12-13 17:55:29 +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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020a89e706
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remove typo
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2014-12-11 22:47:18 +01:00 |
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Stefan Lankes
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13e594d16e
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improve some comments
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2014-12-11 22:45:23 +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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41ab209d83
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add mailbox system
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2014-12-11 22:30:06 +01:00 |
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Stefan Lankes
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c2947fbb88
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add missing header
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2014-12-11 22:28:45 +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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8648ca0dfe
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add more details in the README
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2014-12-05 09:43:55 +01:00 |
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Stefan Lankes
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b92ec13995
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some code cleanups
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2014-12-05 09:38:50 +01:00 |
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Stefan Lankes
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f6a5f75725
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fix wrong calculation of active tasks
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2014-12-05 09:29:10 +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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2eaa7589ee
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enable cache for our user-level task
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2014-12-05 07:26:24 +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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Stefan Lankes
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49016fc0c2
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get_pages uses the algorithm "first fit", but starts now at the last hit
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2014-12-04 21:04:22 +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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370997f516
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copy default task's cr3 register to the PCB
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2014-12-03 23:39:13 +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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Stefan Lankes
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04290f885d
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fix wrong pointer check
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2014-12-02 23:37:43 +01:00 |
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Stefan Lankes
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455de5f846
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add crosscompile prefix to environment variable GDB
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2014-12-02 23:04:54 +01:00 |
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