Monday	Tuesday	Wednesday	Thursday	Friday
jan 13 week 1	jan 14 LEC 1: Introduction, slides, and Xv6 book Preparation: Read Xv6: Ch 2 OS Organization (for your amusement: Unix) Assignment: Lab shell: Unix shell	jan 15	jan 16 LEC 2: C Programming, slides, and examples Preparation: Read Introduction in Lab firstlab: C Programming, Pointers: 5.1- 5.6, and Structures: 6.1-6.4 in Kernighan & Ritchie Assignment: Lab firstlab: C Programming	jan 17
jan 20 week 2 Martin Luther King Day	jan 21 LEC 3: C Programming - Xv6 API, slides, and examples Preparation: Read Xv6: Ch 1 OS Interfaces	jan 22	jan 23 DUE at 8AM: Lab firstlab: C Programming LEC 4: C Programming - Xv6 API, slides, and examples Preparation: Read Bitwise Operators: 2.9, Pointers: 5.1- 5.6, and Structures: 6.1-6.4 in Kernighan & Ritchie Assignment: Lab util: Unix utilities	jan 24
jan 27 week 3	jan 28 LEC 5: OS Design, slides Preparation: Read Xv6: Ch 2 OS Organization and xv6 code: kernel/proc.h, kernel/defs.h, kernel/entry.S, kernel/main.c, user/initcode.S, user/init.c, and skim kernel/proc.c and kernel/exec.c	jan 29	jan 30 DUE at 8AM: Lab util: Unix utilities LEC 6: RISC-V Calling conventions, slides Preparation: Read RISC-V Calling Convention	jan 31 DROP w/o W
feb 3 week 4	feb 4 LEC 7: System Call Entry/Exit and Traps, slides Preparation: Read Xv6 Ch 4 Traps, except 4.6 and kernel/riscv.h, kernel/trampoline.S, and kernel/trap.c Assignment: Lab syscall: System calls	feb 5	feb 6 LEC 8: Virtual Addressing Preparation: Read OSTEP: Ch 15: Address Translation, Ch 16: Segmentation, and Ch 18:Intro to Paging.	feb 7
feb 10 week 5	feb 11 DUE at 8AM: Lab syscall: System calls LEC 7: Page Tables Preparation: Read Xv6: Ch 3 Page Tables and kernel/memlayout.h, kernel/vm.c, kernel/kalloc.c, kernel/riscv.h, and kernel/exec.c	feb 12	feb 13 LEC 8: Page Faults, slides Preparation: Read Xv6: Section 4.6 Page Faults Assignment: Lab pgtbl: Page Tables	feb 14
feb 17 week 6	feb 18 LEC 9: Device drivers, slides Preparation: Read Xv6: Ch 5 Interrupts and kernel/kernelvec.S, kernel/plic.c, kernel/console.c, kernel/uart.c, kernel/printf.c	feb 19	feb 20 DUE at 8AM: Lab pgtbl: Page Tables LEC 10: Locking, slides Preparation: Read Xv6: Ch 6 Locking with kernel/spinlock.h and kernel/spinlock.c Assignment: Lab traps: Traps	feb 21
feb 24 week 7	feb 25 Review Material from First Half of Class Prepare for Midterm Exam Discuss Second Half Material	feb 26	feb 27 Midterm Exam	feb 28
mar 3 week 8 Spring Break	mar 4 Spring Break	mar 5 Spring Break	mar 6 Spring Break	mar 7 Spring Break
mar 10 week 9	mar 11 Review Midterm Exam Begin Second Half of Material	mar 12	mar 13 DUE at 8AM: Lab traps: Traps LEC 11: Scheduling Basics Preparation: Read OSTEP: Ch 6: Direct Execution and Ch 7: Scheduling.	mar 14
mar 17 week 10	mar 18 LEC 12: Scheduling Fair Preparation: Read OSTEP: Ch 8: MLFQ and Ch 9: Lottery.	mar 19	mar 20 LEC 13: Scheduling Details, Scheduling Coordination, code, slides Preparation: Read Xv6: Ch 7 Scheduling at least through Section 7.6, and kernel/proc.c, kernel/swtch.S, kernel/sleeplock.c Assignment: Lab scheduling: Scheduling	mar 21 DROP w/o F
mar 24 week 11	mar 25 LEC 14: File systems, slides Preparation: Read Xv6: Ch 8 File system (except for logging sections) and kernel/bio.c, kernel/fs.c, kernel/sysfile.c, kernel/file.c	mar 26	mar 27 DUE at 8AM: Lab scheduling: Scheduling LEC 15: Crash recovery, slides Preparation: Read Xv6: Ch 8 logging sections and kernel/log.c	mar 28
mar 31 week 12	apr 1 LEC 17: File system performance and fast crash recovery Preparation: Read Journaling the Linux ext2fs Filesystem (1998) Assignment: Lab fs: File Systems	apr 2	apr 3 LEC 18: Concurrency - Threads Intro Preparation: Read OSTEP: Ch 26: Concurrency Intro and Ch 27: Threads API.	apr 4
apr 7 week 13	apr 8 DUE at 8AM: Lab fs: File Systems LEC 19: Concurrency - Locks Preparation: Read OSTEP: Ch 28: Locks	apr 9	apr 10 LEC 20: Concurrency - Condition Variables, Semaphores Preparation: Read OSTEP: Ch 30: Condition Variables Ch 31: Semaphores. Assignment: Lab thread: Multithreading	apr 11
apr 14 week 14	apr 15 Cushion Day - snow, extra time, etc	apr 16	apr 17 DUE at 8AM: Lab thread: Multithreading Cushion Day - snow, extra time, etc	apr 18
apr 21 week 15	apr 22 Special Lab Day - Security Lab. Preparation: Read and aswer the questions in Lab Security. Assignment: Lab security: Security	apr 23	apr 24 DUE at 8AM: Lab shell: Unix shell Review Material from Entire Class Prepare for Final Exam	apr 25
apr 28 week 16 - Exams	apr 29 Final Exam (date/time TBD): 8:30-11	apr 30 Exam Week	may 1 Exam Week	may 2 Exam Week

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