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Author SHA1 Message Date
Stefan Lankes
49cc6ade16 some code cleanups 2015-07-12 10:38:40 +02:00
Stefan Lankes
8147a9b3bf optimizing system calls 
- disable the option to call a system call via int 80
- reduce the number of instruction to store / restore the user-level context
 2015-07-12 10:21:41 +02:00
Stefan Lankes
b254df8afa some code cleanups 2015-07-11 17:04:07 +02:00
Stefan Lankes
6926ccc644 the system call write consider the parameter length 2015-07-11 15:20:19 +02:00
Stefan Lankes
2ce695750a some code cleanups 2015-07-11 10:19:29 +02:00
Stefan Lankes
2f97bcfecb remove some debug messages 2015-07-11 09:58:38 +02:00
Stefan Lankes
6213310d7b add VMA_USER to specify regions, which are mapped into the user space 2015-07-11 09:54:04 +02:00
Stefan Lankes
07fd81de35 using the kernel stack by calling a system call 
TODO: this version isn't optimzed!
 2015-07-11 09:40:59 +02:00
Stefan Lankes
ab6b9d2035 disable tuning flags to create platform independent code 2015-07-11 09:04:11 +02:00
Stefan Lankes
9447f3df38 add jacobi example 2015-07-11 07:15:40 +02:00
Stefan Lankes
b9d8188dba add some debug messages 2015-07-11 07:15:23 +02:00
Stefan Lankes
cb566fc56e per default HermitCore doesn't support a graphic adapter 
=> disable the option in the configuration file
 2015-07-11 00:57:50 +02:00
Stefan Lankes
4db6d86ad4 fix calculation of the kernel stack, remove some typos 2015-07-11 00:56:15 +02:00
Stefan Lankes
6d742c4d33 switch back to the default example 2015-07-11 00:53:33 +02:00
Stefan Lankes
e3be1be9fc fix wrong intialization of the task state segment 2015-07-11 00:49:07 +02:00
Stefan Lankes
17b6c73573 remove some typos 2015-07-11 00:24:00 +02:00
Stefan Lankes
eb5bee0ea9 remove some typos 2015-07-11 00:21:06 +02:00
Stefan Lankes
2e84ef7dc7 fix some typos 2015-07-11 00:18:45 +02:00
Stefan Lankes
19fed0bd87 add the support of user-level tasks 2015-07-11 00:16:27 +02:00
Stefan Lankes
9dfe7be783 call apic_eio to signalize that an exception is handled 2015-07-11 00:14:54 +02:00
Stefan Lankes
48386ce69e add the support of system call via "int 80" 2015-07-11 00:12:59 +02:00
Stefan Lankes
27ee4b52a6 remove obsolte file 2015-07-11 00:07:50 +02:00
Stefan Lankes
e0f188d739 add virtual filesystem and support of an initrd 
- initrd is embedded in the kernel
 2015-07-10 07:30:45 +02:00
Stefan Lankes
31df452d71 add temporary file to the list of ignored files 2015-07-09 17:05:35 +02:00
Stefan Lankes
8190bb6889 add cpuid level check 
only level >= 7 is able to determine AVX2
 2015-07-09 10:51:55 +02:00
Stefan Lankes
fcd1404ccd add version of AVX support, detect more CPU features 2015-07-09 10:16:25 +02:00
Stefan Lankes
37f45b70d5 determin more cpu features 2015-07-08 22:54:44 +02:00
Stefan Lankes
11ae987bae define create_task as static function, some code cleanups 2015-07-08 22:16:00 +02:00
Stefan Lankes
0e88629e24 disable temporary x2APIC support because our test system doesn't use it 2015-07-08 22:14:50 +02:00
Stefan Lankes
c121404af1 add some comments 2015-07-08 20:55:26 +02:00
Stefan Lankes
46e229ba7c increasing the readability of the code 2015-07-08 20:11:36 +02:00
Stefan Lankes
71d2152df8 add workaround because static fields aren't able to be in section .kmsg 
=> compiler bug in gcc 5.1?
 2015-07-08 20:10:22 +02:00
Stefan Lankes
bfd302c655 clear NW bit in CR0 because it is not allowed in long mode 2015-07-08 20:08:53 +02:00
Stefan Lankes
4c2244680d remove "global bit" from the root page tables 
- fix wrong usage of the "global bit"
- every process has its own pml4 => no global view to the self references
 2015-07-08 16:33:08 +02:00
Stefan Lankes
51927e7e6d enable PGE and PAE, remove label Linvalid 2015-07-08 08:12:13 +02:00
Stefan Lankes
8ec49a3582 switch to BSD License 2015-07-07 23:53:16 +02:00
Stefan Lankes
2d9d2949fd enable KVM support 2015-07-07 23:50:37 +02:00
Stefan Lankes
2228795e3d extend the list of ignored files 
- demo executables should be not part of the repository
 2015-07-05 23:39:21 +02:00
Stefan Lankes
8af184c341 use a more usual definition of int64_t & uint64_t 2015-06-29 09:58:32 +02:00
Stefan Lankes
f4bbedd3c8 use place holder for ascii code 0 
=> 0 terminates a C string
=> bad for linux, because linux copies the messages
   via strcpy to the user-space
 2015-06-29 09:46:03 +02:00
Stefan Lankes
b7665a1547 use "git describe" to determine the version 2015-06-28 23:25:23 +02:00
Stefan Lankes
3e969125c5 define auxiliary array as static 2015-06-28 19:17:15 +02:00
Stefan Lankes
5b224d13a2 add debug messages to check the interrupt handling 2015-06-27 20:16:21 +02:00
Stefan Lankes
003ee08ea7 fix bug in the creation of a pseudo interrupt 
by using the 64bit mode, an interrupt pushs always SS
and RSP on the stack
 2015-06-27 20:14:18 +02:00
Stefan Lankes
6b0c6145d2 remove obsolete debug message 2015-06-27 20:13:49 +02:00
Stefan Lankes
1e41214cad add example to test the timer 2015-06-27 20:12:28 +02:00
Stefan Lankes
73a5ae0c11 add missing declaration of wint_t 2015-06-27 08:53:35 +02:00
Stefan Lankes
8a77d46550 Merge branch 'master' into lwip 2015-06-27 08:14:54 +02:00
Stefan Lankes
d58e6ff9f7 enable architecture depedent optimization 2015-06-26 21:02:55 +02:00
Stefan Lankes
fd817f02f0 add newlib as C library for HermitCore apps 2015-06-26 20:49:43 +02:00