Mirrors/libhermit
1
0
Fork 0
mirror of https://github.com/hermitcore/libhermit.git synced 2025-03-30 00:00:15 +01:00
Code Issues Releases Wiki Activity
%!d() commits 6 branches 0 tags 227 MiB
Commit graph

47 commits

Author SHA1 Message Date
Stefan Lankes
e1bf63d863 disable IPIs to wakeup cores 
because the halt state is only used to shutdown the system
 2016-03-06 13:22:48 +01:00
Stefan Lankes
c577d5bebb reduce the number of FPU restoring 2016-02-15 08:54:49 +01:00
Stefan Lankes
513cc6576e check the FPU owner before restoring the FPU registers 2016-02-15 01:14:55 +01:00
Stefan Lankes
4e04aeecc8 cores goes into the halt state after the termination of the application 2016-02-01 02:29:23 +01:00
Stefan Lankes
26e2d6caa6 use different stack sizes for idle and application tasks 2016-01-29 15:45:35 +01:00
Stefan Lankes
6181cf01e8 remove typo 2016-01-27 23:45:12 +01:00
Stefan Lankes
f9058f51e5 increase the interoperability between LwIP and newlib 
- create own socket functions for newlib
- exchange error numbers between newlib and LwIP
- add LWIP_FD_BIT to mark a file descriptor as LwIP file descriptor
- add netio example
 2016-01-10 03:13:31 +01:00
Stefan Lankes
dccbccbbd6 on a shutdown request, we shutdown the network und flush the cache 2016-01-05 23:17:27 +01:00
Stefan Lankes
c6878be07a remove duplication of the page tables 2016-01-04 17:28:51 +01:00
Stefan Lankes
a7cb623747 remove IPI for a TLB shootdown 
HermitCore is an single address space operating system
=> a TLB shootdown isn't required
=> we have only to check if the page tables have an valid entry
=> if yes, flush TLB and return
=> if no, create a new page frame and map it into the address space
 2016-01-04 16:27:19 +01:00
Stefan Lankes
ba28643e3e add implementation of sys_sem_cancelablewait 
- add nicer debug messages
- add current version of our pthread_library
 2016-01-04 01:33:37 +01:00
Stefan Lankes
1c58494785 remove typos 2016-01-01 20:50:34 +01:00
Stefan Lankes
f33f4e1047 some cleanups, add some debug messages 2016-01-01 17:48:03 +01:00
Stefan Lankes
a8661c1fb8 add a platform independent function to manage the TLS 2015-12-30 09:51:03 +01:00
Stefan Lankes
1dce82e27d add TLS and rudimental pthread support into the libos version 2015-12-30 02:17:23 +01:00
Stefan Lankes
4a549ead41 add first draft of HermitCore as libOS 2015-12-29 02:22:41 +01:00
Stefan Lankes
1c436520b3 remove obsolete file system 2015-11-15 22:24:58 +01:00
Stefan Lankes
d13e3a4432 add helper function to determine the next free core 
- we start with the second core, because the first is used by the LwIP thread
 2015-11-09 23:54:03 +01:00
Stefan Lankes
cacd070d24 enable the support of dynamic ticks 
- a dynamic oneshoot timer is used to wakeup the system instead of
  a periodic timer
 2015-10-06 13:48:25 +02:00
Stefan Lankes
e7cddc3e7e add support of proxy processes 2015-10-03 01:43:17 +02:00
Stefan Lankes
cde3d9dfba start the integration of LwIP 2015-09-13 21:28:30 +02:00
Stefan Lankes
be9ed3064d preliminary works to use the gs register in user space 2015-09-13 14:51:25 +02:00
Stefan Lankes
034098048b add initialization of tls_file_size and tls_mem_size 2015-09-08 08:48:52 +02:00
Stefan Lankes
b4e5bfef75 start new threads in round-robin manner over all cores 
we assume OpenMP applications
=> number of threads is (normaly) equal to the number of
cores
=> search next available core
 2015-09-06 10:41:51 +02:00
Stefan Lankes
7b54dca40f set task to invalid after freeing of all allocated data 2015-08-28 08:00:54 +02:00
Stefan Lankes
213e4518d1 frees the memory of a finished task after the switch to the next task 2015-08-17 12:51:39 +02:00
Stefan Lankes
221d90f02d add initial support of threads 2015-08-09 14:34:36 +02:00
Stefan Lankes
ebeba4c6f0 allocate memory outside the critical section 2015-07-26 18:50:32 +02:00
Stefan Lankes
8aa55a90dc prepare kernel to run on one core (without SMP suppor) 2015-07-24 21:12:05 +02:00
Stefan Lankes
45cae3f991 replace create_stack by a call of kmalloc 2015-07-24 06:45:43 +02:00
Stefan Lankes
fce8249caf code cleanups, increasing the readability, add some comments 2015-07-24 06:27:46 +02:00
Stefan Lankes
8289b76cf9 rename function per_core_set into set_per_core 2015-07-21 18:44:13 +02:00
Stefan Lankes
fed1d028a2 useage of GS selector to determine "per core data" 
=> redesign of the system call interface
=> set RSP0 in TSS by a context switch
 2015-07-19 11:12:05 +02:00
Stefan Lankes
cce69cfe44 add support of sys_times (=> clock()) 2015-07-16 22:33:29 +02:00
Stefan Lankes
8db1094ce4 move cleanup code to correct position (do_exit) 2015-07-13 06:49:46 +02:00
Stefan Lankes
6ba3252012 stores the FPU registers not before another task want to use them 2015-07-12 16:39:27 +02:00
Stefan Lankes
b254df8afa some code cleanups 2015-07-11 17:04:07 +02:00
Stefan Lankes
2f97bcfecb remove some debug messages 2015-07-11 09:58:38 +02:00
Stefan Lankes
4db6d86ad4 fix calculation of the kernel stack, remove some typos 2015-07-11 00:56:15 +02:00
Stefan Lankes
19fed0bd87 add the support of user-level tasks 2015-07-11 00:16:27 +02:00
Stefan Lankes
11ae987bae define create_task as static function, some code cleanups 2015-07-08 22:16:00 +02:00
Stefan Lankes
6b0c6145d2 remove obsolete debug message 2015-06-27 20:13:49 +02:00
Stefan Lankes
2eddb0bb89 integrate lwIP into HermitCore 
- add timer support, which is required for lwIP
 2015-06-11 09:20:34 +02:00
Stefan Lankes
1a256ada95 add helper function to run a task on a specific core 2015-05-31 07:58:05 +02:00
Stefan Lankes
047951bafd enable SMP support 2015-05-31 00:30:13 +02:00
Stefan Lankes
f781f4923b prepare kernel to support SMP 
- only startup code is missing
 2015-05-27 00:04:01 +02:00
Stefan Lankes
d7ec3d4f14 HermitCore is independent to the Linux kernel => move to an own subdirectory 2015-05-23 14:35:45 +02:00