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Author SHA1 Message Date
Stefan Lankes
bb1b451f13 remove obsolete staff to debug the driver 2016-06-30 22:49:34 +02:00
Stefan Lankes
ffc38104c9 add memory barriers, use __builtin_memcpy to improve the performance 2016-06-30 22:38:24 +02:00
Stefan Lankes
a3ed137f07 trampoline code doesn't longer enable SMEP 
because old CPUs don't support this feature
 2016-06-28 20:52:36 +02:00
Stefan Lankes
7d471b4691 use per default rdtsc instead of rdtscp 
because old CPUs don't support the instruction rdtscp
 2016-06-28 20:46:33 +02:00
Stefan Lankes
05da1694a1 add store barrier to avoid consistency problems 2016-06-28 13:50:05 +02:00
Stefan Lankes
5bdc732cd8 add support of old architectures, which doesn't support AVX 2016-06-27 19:13:40 +02:00
Stefan Lankes
f1ba1aa30f Merge branch 'devel' of github.com:RWTH-OS/HermitCore into devel 2016-06-27 12:29:27 +02:00
Stefan Lankes
f3cbd83fd3 recommend to disable Linux NO_HZ feature 2016-06-27 12:28:38 +02:00
Stefan Lankes
3675ab6ec6 switch to Linux 4.5.6 2016-06-27 12:19:12 +02:00
Stefan Lankes
5782edd4eb set MAX_APIC_CORES to MAX_CORES 
- a separation of both values isn't meaningful
 2016-06-25 14:45:24 +02:00
Stefan Lankes
995d88d7e4 remove obsolete macro LIBOS 2016-06-25 14:36:55 +02:00
Stefan Lankes
bb1e2d7d5f Merge pull request #26 from daniel-k/devel 
kernel/clone_task: also destroy interrupt stack on failure
 2016-06-24 21:52:26 +02:00
daniel-k
74c3d4f0ba kernel/create_task: also destroy interrupt stack on failure 2016-06-24 21:07:21 +02:00
daniel-k
0384aa3443 kernel/clone_task: also destroy interrupt stack on failure 2016-06-24 21:06:35 +02:00
Stefan Lankes
0ba2e482eb Merge remote-tracking branch 'origin' into devel 2016-06-19 00:43:40 +02:00
Stefan Lankes
2b83259da6 Merge pull request #25 from daniel-k/xray 
Thanks! This helps me...
 2016-06-19 00:48:52 +02:00
daniel-k
dc1761a548 gitignore: add .pyc, .callgrind and .xray 2016-06-17 14:59:08 +02:00
daniel-k
088ccbb556 xray: add a conversion tool to visualize reports with kCacheGrind 2016-06-17 14:59:08 +02:00
Stefan Lankes
08658af9fc update external libs 2016-06-10 18:51:10 +02:00
Stefan Lankes
a0fab89608 add additional debug message 2016-06-03 17:17:56 +02:00
Stefan Lankes
3dea76c4b9 add basic support of signal 
currently, HermitCore is only able to raise signals to itself
 2016-06-03 17:16:20 +02:00
Stefan Lankes
a2b36849d9 create for each task an interrupt stack table (IST1) 
Currently, "user-level" code has to deactivate the red zone support.
To avoid this, we create an interrupt stack table (IST1), which is
the default stack for all interrupts. Consequently, the common stack
isn't touch by handling any interrupt and the red-zone could be used
for compiler optimizations.

By using IST1, nested interrupts (beside NMI) arn't longer supported.
But HermitCores doesn't rely on this support.
 2016-06-03 06:24:46 +02:00
Stefan Lankes
b17b74fe49 fix cache line size to 64 byte 2016-06-02 17:11:22 +02:00
Stefan Lankes
d21bbeec74 switch to gcc 5.3.1 2016-06-02 10:22:20 +02:00
Stefan Lankes
2ec60a7602 fix the calucaltion of VMA's lower border 2016-05-31 04:41:16 +02:00
Stefan Lankes
629a42dc4b vma_add resize the region if the predecessor has the same start address 2016-05-31 04:37:38 +02:00
Stefan Lankes
0f4ed50569 newlib doesn't longer define fd_set 
=> the definition of _POSIX_SOURCE isn't longer required
 2016-05-31 00:30:49 +02:00
Stefan Lankes
bb07c7c7a4 includ stdint.h to be sure that alle types are defined 2016-05-31 00:29:21 +02:00
Stefan Lankes
5543f477de reduce the output only on TravisCI 2016-05-26 10:52:22 +02:00
Stefan Lankes
82d5ec690e add function for the stack creation, protect stack by the NX flags 2016-05-26 10:04:45 +02:00
Stefan Lankes
82017fe436 fix bug in resizing and splitting of a VMA regions 2016-05-26 10:03:13 +02:00
Stefan Lankes
8eb597d0c5 align vma region to the page boundary 2016-05-26 10:02:02 +02:00
Stefan Lankes
69bb0a6a1c add option to print VMA information 2016-05-26 10:00:25 +02:00
Stefan Lankes
6a2d7e4727 create VMA region by increasing the heap 2016-05-23 23:50:43 +02:00
Stefan Lankes
966a40e6d0 remove obsolete debug messages 2016-05-22 11:08:21 +02:00
Stefan Lankes
895cd14983 remove obsolete line 2016-05-22 09:10:31 +02:00
Stefan Lankes
12553532db page mapping set the no execustion flag to protect the data 2016-05-22 07:24:56 +02:00
Stefan Lankes
8a1534f545 protect heap by setting the NX flag in PML4 2016-05-21 15:55:34 +02:00
Stefan Lankes
44cc801525 disable temporary ICC example 2016-05-21 07:20:25 +02:00
Stefan Lankes
5cc31057d5 add example to create an HermitCore App with Intel's C compiler 2016-05-20 23:03:30 +02:00
Stefan Lankes
86fd7789df reduce the number of output messages 2016-05-20 22:05:18 +02:00
Stefan Lankes
59ec9bd93d swapout the build process of the newlib 2016-05-20 15:12:41 +02:00
Stefan Lankes
c3daaebe24 reduce the number of submodules to the minimal required number 2016-05-20 13:10:45 +02:00
Stefan Lankes
75f6d5db09 truncate the submodule's history to 50 2016-05-20 11:36:20 +02:00
Stefan Lankes
6950824114 reduce output messages 2016-05-20 09:54:04 +02:00
Stefan Lankes
620d2e5846 increase output message to control the process 2016-05-20 09:15:19 +02:00
Stefan Lankes
fc640167e7 seperate for TravisCI the build of HermitCore in different stages 2016-05-20 08:52:50 +02:00
Stefan Lankes
3615f393c0 Merge pull request #23 from daniel-k/xray 
Add Xray profiler
 2016-05-18 20:01:31 +02:00
daniel-k
91603343b0 xray: implement frame labeling 2016-05-18 11:55:37 +02:00
daniel-k
341d1f39d2 openmpbench: add local gitignore 2016-05-18 01:24:30 +02:00