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151 commits

Author SHA1 Message Date
Stefan Lankes
a4a4c5b9f0 use RCCE's method to flush the write combining buffers 2011-08-22 13:16:54 -07:00
Stefan Lankes
6f1c07c0dc some code cleanups 2011-08-20 01:03:18 -07:00
Stefan Lankes
9c15383d2c add first running version of our svm system 2011-08-19 00:11:36 -07:00
Stefan Lankes
1f178b99cc now, the page fault handler determines the PGT's address correctly 2011-08-18 07:08:25 -07:00
Stefan Lankes
35621d72d1 first try to realize task stealing 2011-08-18 12:16:31 +02:00
Stefan Lankes
6e55a3a874 add some debug messages and remove obsolete macros 2011-08-16 16:08:04 -07:00
Stefan Lankes
a0bae35a88 add untested prototype of an SVM system 2011-08-16 03:29:54 -07:00
Stefan Lankes
62e7ead997 add SVM demo example and redesign of the SVM system 2011-08-15 07:16:12 -07:00
Stefan Lankes
5c3c757cbb Merge branch 'master' into svm 2011-08-15 01:13:02 -07:00
Stefan Lankes
1583f886b8 on the SCC, the kernel determines the virtual address for the initrd 2011-08-10 03:25:22 -07:00
Stefan Lankes
e2c546a782 first steps to realize a SVM subsystem 2011-08-02 07:17:49 -07:00
Stefan Lankes
75cf088989 use nicer output messages 2011-08-02 06:19:26 -07:00
Stefan Lankes
85768e6f58 fix bug in APIC code 
=> before we enable the interrupts,  we map the APIC registers
 2011-07-18 15:51:26 +02:00
Stefan Lankes
09b3655ea4 reserve a page for the boot code of the application processors 2011-07-18 09:13:33 +02:00
root
7724b70d55 upgrade to newest metalsvm 2011-06-27 11:39:01 +02:00
Stefan Lankes
29ab43f289 First steps to realize Inter-Core-Communication via RCCE 2011-04-23 00:13:12 -07:00
Stefan Lankes
900c67c2a0 remove obsolete flags 2011-04-22 09:31:33 +02:00
Stefan Lankes
0c411fd702 add basic support of sbrk and fix bug in saving of the fpu context 2011-04-21 07:32:20 +02:00
Stefan Lankes
23313590be use logical operations instead of / and % to increase the performance 2011-04-21 07:31:45 +02:00
Stefan Lankes
b5908af744 Merge branch 'master' of git.lfbs.rwth-aachen.de:metalsvm into doxygen 
Conflicts:
	.gitignore
	arch/x86/include/asm/apic.h
	arch/x86/include/asm/page.h
	arch/x86/include/asm/processor.h
	arch/x86/kernel/idt.c
 2011-04-14 08:40:52 +02:00
Stefan Lankes
eeb49cdb90 add the SCC support of a initial ramdisk 2011-04-13 11:03:34 -07:00
Stefan Lankes
12fb2a60f2 create a dynamic region, which specifies the boot parameters 2011-04-13 07:04:50 -07:00
Stefan Lankes
ba1388c13d Merge branch 'master' of git.lfbs.rwth-aachen.de:metalsvm into rcce 2011-04-08 07:26:55 -07:00
Stefan Lankes
92c5917ef4 add support to map kernel pages above 1GB 2011-04-08 16:02:29 +02:00
Stefan Lankes
1ff9c397a9 fix bug in the debug messages 2011-04-08 16:02:08 +02:00
Stefan Lankes
f0e4a2b833 add the support of the memory type MPBT 
=> seesection "10.1.2 Internal Cache Changes" of SCC External Architecture Specification (R1.1)
 2011-04-05 23:43:44 -07:00
Stefan Lankes
9918db81ec fix bugs in initialization of RCCE 
at first, we have to enable paging and to disable caching for the configuration registers
 2011-04-05 01:55:02 -07:00
Jacek Galowicz
1581d3e075 Added a doxyfile and documented arch/x86/include/asm/page.h 2011-04-01 20:13:26 +02:00
Stefan Lankes
3729433b37 Fix bug in wrong using of synchronisation primitives 
=> reported by Jacek...
 2011-04-01 19:33:41 +02:00
Stefan Lankes
fc407a3eda copy also the entries of the pgt container 2011-03-07 20:25:52 +01:00
Stefan Lankes
6f092641ba remove memory leak and redesign of the internal memory accounting 2011-03-04 22:44:53 +01:00
Stefan Lankes
08dd1852b6 create all page tables for the kernel space 2011-03-04 21:38:36 +01:00
Stefan Lankes
08b0207dc9 introduce a special PGD lock for the kernel space 2011-03-04 13:47:06 +01:00
Stefan Lankes
56ee331596 add nested spinlocks 
- required to avoid deadlocks
 2011-03-04 11:38:40 +01:00
Stefan Lankes
464f31a53b optimize the system call fork 
- add a function to copy a physical page
=> reduce the using of vm_alloc and vm_free
 2011-03-03 09:13:00 +01:00
Stefan Lankes
a27150b923 Fix bug in system call "fork" 
- issues: memory leak
 2011-03-02 23:08:01 +01:00
Stefan Lankes
5ce3ed9338 First steps to support the system calls "fork" and "wait" 
- Currently, the system call "fork" doesn't work and has a memory leak
- However, it is a good starting point for further developments.
 2011-03-02 13:49:36 +01:00
Stefan Lankes
17193475bb use a spinlock for each PGD 
increases also the useability of vm_alloc and vm_free
 2011-02-24 19:06:32 +01:00
Stefan Lankes
e157f93104 create also for kernel tasks a new PGD 2011-02-24 18:44:11 +01:00
Stefan Lankes
54d636d25c after process termination, the PGD and its PGTs will be freed 2011-02-24 18:32:58 +01:00
Stefan Lankes
16efb49204 remove obsolete function arguments 2011-02-24 10:15:58 +01:00
Stefan Lankes
b4884cde2d add a function to change the pape permissions 2011-02-24 09:36:05 +01:00
Stefan Lankes
31ad08b7ae Remap lapic and ioapic to the kernel space + some cosmetic changes 2011-02-21 08:36:06 +01:00
Stefan Lankes
c355adb300 create a new pgd for each process 2011-02-18 21:20:15 +01:00
Stefan Lankes
5fe9d5b3e9 Increasing the readability 2011-02-16 22:35:46 +01:00
stefan
308e023a85 - use non-recursive Makefiles 
- this patch based on Florian Zeitz's hint


git-svn-id: http://svn.lfbs.rwth-aachen.de/svn/scc/trunk/MetalSVM@400 315a16e6-25f9-4109-90ae-ca3045a26c18
 2011-02-09 19:13:40 +00:00
stefan
9a9df5ed2e - merge current eduOS branch to MetalSVM 
=> add the support of "real" user-space applications, which could be loaded via initrd


git-svn-id: http://svn.lfbs.rwth-aachen.de/svn/scc/trunk/MetalSVM@394 315a16e6-25f9-4109-90ae-ca3045a26c18
 2011-02-08 18:37:56 +00:00
stefan
8646b56a63 - minor changes to support APIC 
(currently, we got page fault by entering apic_calibration)
- first steps to realize a loader



git-svn-id: http://svn.lfbs.rwth-aachen.de/svn/scc/trunk/MetalSVM@365 315a16e6-25f9-4109-90ae-ca3045a26c18
 2011-01-05 10:16:53 +00:00
stefan
7ff346df44 - remove typo 
git-svn-id: http://svn.lfbs.rwth-aachen.de/svn/scc/trunk/MetalSVM@344 315a16e6-25f9-4109-90ae-ca3045a26c18
 2010-12-15 13:39:37 +00:00
stefan
2127c42070 - remove typo 
git-svn-id: http://svn.lfbs.rwth-aachen.de/svn/scc/trunk/MetalSVM@340 315a16e6-25f9-4109-90ae-ca3045a26c18
 2010-12-15 12:08:37 +00:00