PPT-Syscalls , exceptions, and interrupts, …oh my!

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Syscalls exceptions and interrupts oh my Hakim Weatherspoon CS 3410 Computer Science Cornell University Altinbuken Weatherspoon Bala Bracy McKee and Sirer

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Syscalls , exceptions, and interrupts, …oh my!: Transcript

Syscalls exceptions and interrupts oh my Hakim Weatherspoon CS 3410 Computer Science Cornell University Altinbuken Weatherspoon Bala Bracy McKee and Sirer Announcements P4Buffer Overflow is due tomorrow. Microarchitecture. Lecture 13: Commit, Exceptions, . Interrupts. The End of the Road (um… Pipe). Commit is typically the last stage of the pipeline. Anything that an instruction does at this point is . for the Kernel. Piyus. . Kedia. and . Sorav. Bansal. IIT Delhi. Applications of Dynamic Binary Translation (DBT). . OS Virtualization. . Testing and Verification of Compiled Programs. . Profiling and Debugging. Anurag Dwivedi. Let Us Revise. Micro-Controllers. A small . computer integrated . in . a single IC. Has I/O pins, . RAM and Memory. We Use . Atmega. 16. Software Used. CvAvr. : Editor and Compiler. Interrupt Handling. David Ferry, Chris Gill. CSE 522S - Advanced Operating Systems. Washington University in St. Louis. St. Louis, MO 63130. 1. Why Interrupts?. Interrupts allow a currently executing process to be preempted. Fall 2009. Kipp Schoenwald. Stephen . Hunte. Joseph Storey. Outline. Interrupts . Vectors and Vector Table. Flow Chart. Applications. Example 1. Example 2. Thermistors. Theory. Applications. Opto-isolators. 1. Murphy’s Law. Anything that can go wrong will go wrong. Lesson 14 -- Exceptions. 2. Exceptions. Allow you to deal with the things that go wrong:. Indicate that something unexpected has occurred or been detected. Handling. Presented by: Group#10. Ahmad Ibrahim Fayed.. Ahmad Mohamed . Abd. el-. Fadeel. .. Akram. Ahmad Mohamed.. Hassan Mohamed.. Agenda. Exception handling.. Interrupts.. Interrupt handling schemes.. David Ferry, Chris Gill. CSE 422S - Operating Systems Organization. Washington University in St. Louis. St. Louis, MO 63130. 1. Why Interrupts?. Interrupts allow a currently executing process to be preempted. Opto. -isolators, . Triacs. , and Thermistors. Alex Buchanan. Aaron May. Peter Ngo. Reason for Interrupts. You might want a certain subroutine executed immediately after a request from an external device or from an internal program, providing certain conditions are met.. Syscalls , exceptions, and interrupts, …oh my! Hakim Weatherspoon CS 3410 Computer Science Cornell University [ Altinbuken , Weatherspoon, Bala , Bracy , McKee, and Sirer ] Announcements P4-Buffer Overflow is due tomorrow Arvind. Computer Science & Artificial Intelligence Lab.. Massachusetts Institute of Technology. April 30, 2012. L21-. 1. http://csg.csail.mit.edu/6.S078. Interrupts. :. altering the normal flow of control. Fall 2014. Hadi Esmaeilzadeh. hadi@cc.gatech.edu. . Georgia Institute of Technology. Some slides adopted from Prof. . Milos . Prvulovic. Better Devices. Now SW, KEY can be read. Problem: several instructions needed to detect change. x0000x0000StroustrupC exceptions and alternativesP1947x0000x00002 x/MCIxD 0 x/MCIxD 0 HistoryThe origins of exception handling lie in the problems experienced managing a variety of errorhandling appr disable interrupts // Must finish put on queue of threads waiting for lock set guard to 0 call switch enable interrupts else value BUSY guard 0 LockRelease Why disable interrupts N

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