| Monday | Tuesday | Wednesday | Thursday | Friday |
| sep 6 Labor Day |
sep 7 Reg Day |
sep 8 LEC 1 (ab): Introduction and examples (handouts: xv6 book; 2020: notes, video) Preparation: Read chapter 1 (for your amusement: Unix) Homework 1 due: Question Assignment: Lab util: Unix utilities |
sep 9 | sep 10 |
| sep 13 LEC 2 (TAs): C and gdb Preparation: 2.9 (Bitwise operators) and 5.1 (Pointers and addresses) through 5.6 (Pointer arrays) and 6.4 (pointers to structures) by Kernighan and Ritchie (K&R) |
sep 14 | sep 15 LEC 3 (ab): OS organization and system calls (2020: notes, boards, video) Preparation: Read chapter 2 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 Homework 2 due: Question Assignment: Lab syscall: System calls |
sep 16 DUE: Lab util |
sep 17 |
| sep 20 LEC 4 (ab): Page tables (2020: notes, boards, video) Preparation: Read Chapter 3 and kernel/memlayout.h, kernel/vm.c, kernel/kalloc.c, kernel/riscv.h, and kernel/exec.c Homework 3 due: Question |
sep 21 | sep 22 LEC 5 (TAs): GDB, calling conventions and stack frames RISC-V (2020: notes, boards, video) Preparation: Read Calling Convention Assignment: Lab pgtbl: Page tables |
sep 23 DUE: Lab syscall |
sep 24 |
| sep 27 LEC 6 (ab): Isolation & system call entry/exit (2020: notes, video) Preparation: Read Chapter 4, except 4.6 and kernel/riscv.h, kernel/trampoline.S, and kernel/trap.c Homework 4 due: Question |
sep 28 | sep 29 LEC 7 (ab): Page faults (2020: notes, boards, video) Preparation: Read Section 4.6 Homework 5 due: Question Assignment: Lab traps: Traps |
sep 30 DUE: Lab pgtbl |
oct 1 |
| oct 4 LEC 8 (ab): Q&A labs Homework 6 due: Question |
oct 5 | oct 6 LEC 9 (ab): Interrupts (2020: notes, boards, video) Preparation: Read Chapter 5 and kernel/kernelvec.S, kernel/plic.c, kernel/console.c, kernel/uart.c, kernel/printf.c Homework 7 due: Question Assignment: Lab cow: Copy-on-write fork |
oct 7 DUE: Lab traps |
oct 8 ADD DATE |
| oct 11 Indigenous Peoples Day |
oct 12 | oct 13 LEC 10 (ab): Multiprocessors and locking (2020: notes, boards, video) Preparation: Read "Locking" with kernel/spinlock.h and kernel/spinlock.c Homework 8 due: Question |
oct 14 | oct 15 |
| oct 18 LEC 11 (ab): Scheduling 1 (2020: notes, video) Preparation: Read "Scheduling" through Section 7.4, and kernel/proc.c, kernel/swtch.S Homework 9 due: Question |
oct 19 | oct 20 LEC 12 (ab): Scheduling 2 (2020: notes, code, video) Preparation: Read remainder of "Scheduling", and corresponding parts of kernel/proc.c, kernel/sleeplock.c Homework 10 due: Question Assignment: Lab thread: Multithreading |
oct 21 DUE: Lab cow |
oct 22 |
| oct 25 LEC 13 (ab): Q&A labs Homework 11 due: Question |
oct 26 | oct 27 LEC 14 (ab): File systems (2020: notes, boards, video) Preparation: Read kernel/bio.c, kernel/fs.c, kernel/sysfile.c, kernel/file.c and "File system" (except for the logging sections) Homework 12 due: Question Assignment: Lab net: Network driver |
oct 28 DUE: Lab thread |
oct 29 |
| nov 1 LEC 15 (ab): Crash recovery (2020: notes, boards, video) Preparation: Read kernel/log.c and the logging sections of "File system" Homework 13 due: Question |
nov 2 | nov 3 LEC 16 (ab): File system performance and fast crash recovery (2020: notes, video) Preparation: Read Journaling the Linux ext2fs Filesystem (1998) Homework 14 due: Question |
nov 4 | nov 5 |
| nov 8 LEC 17 (ab): Virtual memory for applications (2020: notes, boards, video) (baker example) Preparation: Read Virtual Memory Primitives for User Programs (1991) Homework 15 due: Question |
nov 9 DUE: Lab net |
nov 10 LEC 18 (ab): OS Organization (2020: notes, video) Preparation: Read The Performance of micro-Kernel-Based Systems (1997) Homework 16 due: Question Assignment: Lab lock: Parallelism/locking |
nov 11 Veteran's Day |
nov 12 |
| nov 15 LEC 19 (ab): Virtual Machines (2020: notes, video) Preparation: Read Dune: Safe User-level Access to Privileged CPU Features (2012) Homework 17 due: Question |
nov 16 | nov 17 LEC 20 (ab): Kernels and HLL] (2020: notes, slides, video) Preparation: Read the Biscuit paper (2018), FAQ Homework 18 due: Question Assignment: Lab fs: File system |
nov 18 DROP DATE DUE: Lab lock |
nov 19 |
| nov 22 LEC 21 (ab): Networking (2020: notes, video) Preparation: Read Receive Livelock (1996) Homework 19 due: Question |
nov 23 | nov 24 Hacking day: no class meeting; work on the lab DUE: Lab fs Assignment: Lab mmap: Mmap |
nov 25 - nov 26 Thanksgiving |
|
| nov 29 LEC 22 (ab): Meltdown (2020: notes, video) Preparation: Read Meltdown (2018) Homework 20 due: Question |
nov 30 | dec 1 LEC 23 (ab): Multi-Core scalability and RCU (2020: notes, video) Preparation: Read RCU paper (2013), FAQ Homework 21 due: Question |
dec 2 | dec 3 |
| dec 6 LEC 24 (TAs): Current Research: Radiation Tolerance Preparation: Read NASA CALIPSO paper (2006) for background Homework 22 due: Question |
dec 7 DUE: Lab mmap |
dec 8 LEC 25 (ab): Q&A Homework 23 due: Question |
dec 9 LAST DAY OF CLASSES |
dec 10 |
Questions or comments regarding S6.081? Send e-mail to the course staff at [email protected].
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Last updated Monday, 06-Dec-2021 00:41:21 EST