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* Task structure had wrong enum size.Patrick Williams2012-08-091-1/+1
| | | | | | | | | | | | | hb-Ps debug tool gave wrong task state because the removal of compile option -fshort-enums caused the enum to grow and be in the wrong location for the debug tool to find. Change-Id: Ib0bcec1cddc648b3cee649be7e5ad258b4142bc3 Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/1507 Tested-by: Jenkins Server Reviewed-by: Nicholas E. Bofferding <bofferdn@us.ibm.com> Reviewed-by: Douglas R. Gilbert <dgilbert@us.ibm.com> Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* Execute 'doze' in idle loop.Patrick Williams2012-07-281-22/+24
| | | | | | | | | Change-Id: Ifd611129c2d7173b5e0dec36c870e06a4d851009 Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/1384 Tested-by: Jenkins Server Reviewed-by: Douglas R. Gilbert <dgilbert@us.ibm.com> Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com> Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* Support task_wait / task_wait_tid syscalls:Patrick Williams2011-10-241-2/+37
| | | | | | | | | | | | | | | | | | | | | | | | | - Add task_end2 syscall to allow pthread_exit-like retval. - Add/maintain task states. - Create task parent/child tracking tree. - Add task_detach function. - Implement wait syscalls. Make task_exec caller the parent of spawned task: Previously the task_exec call caused a message to the VFS task, which called task_create and returned the tid in response to the message. This causes the parent of the spawned task to appear to be the VFS task. Modify task_exec / VFS handling to instead return the entry point address on the message and have task_exec call task_create directly itself. Change-Id: I6b6796f45875de37b1ab01e7596639b073820b95 Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/443 Tested-by: Jenkins Server Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com> Reviewed-by: Andrew J. Geissler <andrewg@us.ibm.com>
* Floating point support.Patrick Williams2011-09-121-0/+14
| | | | | | | Change-Id: I859cac1c01bf631d12223702d68813b45339b65f Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/295 Tested-by: Jenkins Server Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* Add copyright headers to all source files.Patrick Williams2011-08-241-0/+22
| | | | | | | Change-Id: I205f2409e56032cfc0aaf01d7e26d357f0b86373 Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/277 Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com> Tested-by: Jenkins Server
* Implement Kernel->User-space message bridge.Patrick Williams2011-08-161-3/+16
| | | | | | | Change-Id: Icf6fc9e10b1c39e981dddf180607b710c597112b Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/249 Tested-by: Jenkins Server Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* Kernel support for processor affinity.Patrick Williams2011-05-261-1/+22
| | | | | | | | | Change-Id: Ie84a805bad58032085208a98b1b31393def681cb Reviewed-on: http://gfwr801.rchland.ibm.com:8080/gerrit/100 Tested-by: Jenkins Server Reviewed-by: Douglas R. Gilbert <dgilbert@us.ibm.com> Reviewed-by: Andrew J. Geissler <andrewg@us.ibm.com> Reviewed-by: Nicholas E. Bofferding <bofferdn@us.ibm.com>
* Change scheduler to locked queue instead of stack-pair.Patrick Williams2010-06-091-0/+1
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* Add task control syscalls.Patrick Williams2010-06-071-0/+2
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* Implement task saving and dispatching.Patrick Williams2010-06-031-0/+1
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* Initial cpu / task structs.Patrick Williams2010-06-021-0/+25
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