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Author SHA1 Message Date
Stefan Lankes
52ad45072f move image boundary to 2MB 
=> which is a requirement of HermitCore's memory management
 2016-07-25 07:47:51 +02:00
Stefan Lankes
1d23b3b8dc remove obsolete line 2016-07-25 07:46:55 +02:00
Stefan Lankes
fabfd1067e set max page size to 0x1000, which reduces the image size 2016-07-25 07:45:34 +02:00
Stefan Lankes
6c339c64d6 trampoline code doesn't longer enable SMEP 
because old CPUs don't support this feature
 2016-07-19 23:36:01 +02:00
Stefan Lankes
534170354e Merge branch 'devel' of github.com:RWTH-OS/HermitCore into devel 2016-07-19 23:23:29 +02:00
Stefan Lankes
724a2cd70d some code cleanups, the current version is just proof of concept 2016-07-19 23:19:14 +02:00
Stefan Lankes
66195c7795 add basic bootloader to support a non multi-kernel mode 
=> HermitCore will support a classical unikernel mode
 2016-07-18 23:06:40 +02:00
Stefan Lankes
6228598646 Merge branch 'devel' of github.com:RWTH-OS/HermitCore into devel 2016-07-05 12:36:39 +02:00
Stefan Lankes
bcaccc2e69 add checks to be sure that HermitCore receives the whole IP message 2016-07-05 12:35:36 +02:00
Stefan Lankes
b71faae53c align memory to 8 byte, add patch for bug #39683 
- Bug description: https://savannah.nongnu.org/bugs/index.php?39683
- Patch: http://git.savannah.gnu.org/cgit/lwip.git/commit/?id=8c1f834a4a9c21f454ee0c034d14df93c4bb4909
 2016-07-05 12:34:59 +02:00
Stefan Lankes
25b360e589 remove some obsolete memory barries 2016-07-05 12:33:59 +02:00
Stefan Lankes
e32af9c2d6 Merge pull request #27 from daniel-k/pr/minor_fixes 
Remove some compiler warnings
 2016-07-01 23:09:57 +02:00
daniel-k
cd30d0969b kernel/tasks: add missing include <asm/processor.h> for get_tls() 2016-07-01 20:33:26 +02:00
daniel-k
3d752ed737 kernel/main: get rid of unused variable warning 2016-07-01 20:33:26 +02:00
daniel-k
53331b3daa hermit/tasks.h: typo 2016-07-01 20:33:26 +02:00
daniel-k
b3f156b7a5 hermit/stddef.h: remove excess ';' 2016-07-01 20:33:26 +02:00
Stefan Lankes
11c32c5676 move functions to serialize load and store operations to the headers 
HermitCore supports only 64bit processors
=> all processors support sfence & co
=> no descision at runtime required
 2016-07-01 19:45:27 +02:00
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