Lecture Topics • x86 instructions • Operate instructions • Data movement instructions • Conditional codes • Control flow instructions • Assembler conventions • Code example Aministrivia • MP0 – In TAs office hours by 2/2 – you can hand in anytime during office hours Lecture Recordings ZJUI Students Lecture Recordings Discussion Recordings Live Discussion (Zoom […]
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Lecture Topics • Continue x86 instructions • Conditional codes • Control flow instructions • Assembler conventions • Code example • PS1 (Problem Set 1) posted – Due by 2/8 – PS1 must be done in at least groups of 4. • Only one person in this group should submit the completed problem set with a
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Name: Problem 1 Problem 2 Problem 3 Problem 4 Total 2 25 points 25 points 25 points 25 points 100 points Name: 3 Problem 1 (25 points): Short Answers Please answer concisely. If you find yourself writing more than a sentence or two, your answer is probably wrong. PartA(5points): Recalltheuser-leveltestharnessprovidedforyourusewithMP1.Describeoneadvantageand one disadvantage of developing and
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OSU CSE 2421 calling functions, caller/callee saved registers J.E.Jones OSU CSE 2421 stdlinux is running hundreds of processes for hundreds of different people Everyone doesn’t get a private CPU, so how does this work? ◦ When considering multiple processes (executables), the operating system takes care of this ◦ Uses a construct called a
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ECE391: Computer Systems Engineering Spring 2021 Machine Problem 1 Due: in Gitlab repository by 9:59 AM CST Thursday 18 February (11:59PM in China on Thursday 18 February) Text-Mode Fish Animation Demo on Monday 22 February, 6 PM CST: UIUC campus and last name starts with A-J Demo on Tuesday 23 February, 8 AM in China:
Lecture Topics • Calling convention and stack frames • Application to example • Misc. x86 instructions © Steven Lumetta, Zbigniew Kalbarczyk ECE391 The Calling Convention (1) • What is a calling convention? – generally: rules for subroutine interface structure – specifically • how information is passed into subroutine • how information is returned to caller
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Lecture Topics • Role of system software • System calls, exceptions, & interrupts • Processor support for interrupts MP1 Handin and Demo Schedule • Code must be committed to master/main branch on GitLab by – 9:59AM on 2/18 (11:59PM on 2/18 for ZJUI) • Handin Demo – Monday 2/22, Starts at 6 PM: All ZJUI
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Lecture Topics • Synch issues • Conservative synchronization design • Semaphores • Reader/writer synchronization • Selecting a synchronization mechanism ECE391 EXAM 1 • EXAM 1 – March 2 (Tuesday); 6:00pm – 8:00pm – Detailed instructions will be provided soon • Conflict Exam – Deadline to request conflict exam: Friday February 26 (by email to: kalbarcz@Illinois.edu)
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OSU CSE 2421 • Required Reading: Computer Systems: A Programmer’s Perspective, 3rd Edition • Chapter 3 thru 3.2.1 (inclusive), Section 3.3 through 3.4.2 (inclusive) J.E.Jones OSU CSE 2421 “I ain’t gonna lie, I really like this stuff” “Don’t tell anyone I said this, but I really like X86!” “There’s so much more
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Lecture Topics • Programmable interrupt controller (PIC) – motivation & design – hardware for x86 – Linux abstraction of PIC ECE391 EXAM 1 • EXAM 1 – March 2 (Tuesday); – UIUC students: 6:00pm to 8:00pm; Illinois time (or CST) – ZJUI students: 8:00pm to 10:00pm; China time (which is 6:00am to 8:00am Illinois time)
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