ca88006b5b
Exercise 2.9.1
2025-02-10 06:01:08 +01:00
a3dc50bff7
Add a note to install what is necessary to run xv6.
2025-02-10 02:10:41 +01:00
0f46dc4652
Notes: starting xv6.
2025-02-09 07:02:32 +01:00
d2beeaa0c9
Partial chapter 2 summary.
2025-02-08 21:02:08 +01:00
fed8339de9
Chapter 1, exercise 1, ping pong.
2025-02-08 18:35:56 +01:00
43085c9e38
Add XV6 RISC-V book.
2025-02-08 15:03:42 +01:00
82ed141f99
Add RISC-V ISA documents.
2025-02-08 13:39:57 +01:00
Robert Morris
de247db5e6
menvcfg also
2024-09-04 17:29:58 -04:00
Robert Morris
4060b671d8
change stimecmp to 0x14d
2024-09-04 15:21:52 -04:00
Frans Kaashoek
9b9ab5e130
Remove redundant copyright, now there is a license file
2024-08-31 14:27:22 -04:00
Frans Kaashoek
dab0032eb5
x
2024-08-21 12:46:05 -04:00
Robert Morris
f8bd2f9739
synchronize usertests and exec with util lab
2024-08-10 05:08:04 -04:00
Frans Kaashoek
c28e177f8d
Use BPB
2024-08-04 14:33:44 -04:00
Frans Kaashoek
44f1ffbe38
assert that length of filename <= DIRSIZ
2024-07-31 08:37:23 -04:00
Frans Kaashoek
1957d3e185
x
2024-07-31 08:20:08 -04:00
Frans Kaashoek
03c36a69a1
Update acks
2024-07-31 08:19:24 -04:00
Frans Kaashoek
e5d80dfee5
x
2024-07-26 20:10:08 -04:00
Frans Kaashoek
47cdb5f096
wfi to save CPU time on Athena
2024-07-26 20:08:40 -04:00
Frans Kaashoek
4d4d066d9f
Thanks Taojie
2024-07-26 19:53:53 -04:00
Frans Kaashoek
c0d9f31eec
Thanks Lucas Wolf
2024-07-26 19:47:40 -04:00
Frans Kaashoek
6cc3d4f7de
Thanks phosphagos@github
2024-07-26 19:43:03 -04:00
Frans Kaashoek
a60bf178c6
Thanks segfault@github
2024-07-26 19:40:01 -04:00
Frans Kaashoek
271427920b
Thanks Marcelo Arroyo
2024-07-26 19:35:03 -04:00
Frans Kaashoek
969f03dd8e
Thanks snoire@github
2024-07-26 19:22:29 -04:00
Alissa Tung
e0c3ad4d47
Fix ref file name in user.h
2024-07-26 19:14:17 -04:00
RayAndrew
93c70ce0f9
Remove all files created during testing
...
Remove the following files to restore the state of the filesystem,
so subsequent tests don't fail unexpectedly by creating same filename.
q0 2 21 0
q? 2 22 0
q; 2 23 0
qC 2 24 0
q= 2 25 0
qA 2 26 0
q: 2 27 0
q< 2 28 0
q> 2 29 0
q@ 2 30 0
qB 2 31 0
r0 2 32 0
r? 2 33 0
r; 2 34 0
rC 2 35 0
r= 2 36 0
rA 2 37 0
r: 2 38 0
r< 2 39 0
r> 2 40 0
r@ 2 41 0
rB 2 42 0
s0 2 43 0
s? 2 44 0
s; 2 45 0
sC 2 46 0
s= 2 47 0
sA 2 48 0
s: 2 49 0
s< 2 50 0
s> 2 51 0
p? 2 52 0
p; 2 53 0
pC 2 54 0
p= 2 55 0
pA 2 56 0
p: 2 57 0
p< 2 58 0
p> 2 59 0
p@ 2 60 0
pB 2 61 0
s@ 2 62 0
sB 2 63 0
2024-07-26 19:11:05 -04:00
RayAndrew
7687b389c2
Report an error when n is not equal to MAXFILE
...
The variable `n` represents the number of blocks that have been read.
2024-07-26 19:10:21 -04:00
x653
72cb3849eb
Update uart.c
...
added read of register ISR to clear interrupt source of UART16550.
2024-07-26 19:04:07 -04:00
Wenyang Duan
343d1ab482
Put parentheses around macro argument.
...
It might be too paranoid but makes it safe to deal with operators
with lower priorities than '+', '<<' for example.
2024-07-26 19:02:01 -04:00
Robert Morris
92e60dd833
switch from machine-mode to supervisor timer interrupts.
...
this requires qemu version >= 7.2.
2024-07-10 07:29:26 -04:00
Robert Morris
5a1a4d45a4
slightly more thorough testing that one can't write invalid addresses
2024-01-01 16:10:02 -05:00
Robert Morris
fe940f4d63
fix user.ld to get read-only text with riscv64-linux-gnu-ld 2.41
2024-01-01 13:10:35 -05:00
Robert Morris
dd2574bc10
tell gcc to check printf format strings
...
add %ld %lld %u %lu %llu %lx %llx to kernel and user printf
2023-12-31 12:21:46 -05:00
Robert Morris
2b552503c0
no need to check state == RUNNING in timer interrupt because
...
interrupts are always off (i.e. a lock is held) any time the
current process is not in RUNNING state.
2023-10-14 06:24:14 -04:00
Robert Morris
0c32c04b29
kernelvec only needs to save caller-saved registers
2023-10-14 06:23:09 -04:00
asselism
74c1eba516
Made va and size page aligned in mappages
2022-10-18 00:11:49 -04:00
Robert Morris
0802d56a9b
x
2022-10-17 04:10:01 -04:00
Robert Morris
4a88273db5
oops. scheduler() inherits the interrupt status of the
...
most recent process to run, so it must explicitly
turn them on again. It would be better if cpu->intena
were really thread->intena.
2022-10-17 04:07:24 -04:00
Robert Morris
f376ad7f1f
scheduler()'s intr_on() is in the wrong place, reflecting
...
the locking scheme from long ago.
2022-10-16 15:28:21 -04:00
Robert Morris
348cf7fee4
forkret first memory model
2022-10-12 13:07:55 -04:00
Robert Morris
d2b2dff749
fix copyout() to refuse to write a read-only page
2022-10-04 11:52:57 -04:00
Frans Kaashoek
989e8f2f1f
Remove unused PLIC_M* macros
2022-09-18 16:32:21 -04:00
Frans Kaashoek
4b46c0c6eb
Use O_RDONLY instead of 0
2022-09-11 13:51:11 -04:00
Robert Morris
463ae0abc3
handle negative arguments to sleep() a little better
2022-09-09 09:17:37 -04:00
Frans Kaashoek
f5b93ef12f
Update acks
...
61810
2022-08-25 14:20:52 -04:00
Frans Kaashoek
3d6ce9b308
Separate tests in slow and quick. The slow tests run xv6 out of
...
memory, out of disk space, or test big directories.
Support -q option to run only the quick tests, which saves about
7mins.
Clean up driver by removing duplicated code.
2022-08-25 09:45:35 -04:00
Robert Morris
ed101befee
comment the sfences
2022-08-24 13:47:47 -04:00
Robert Morris
581bc4cbd1
sfence before enabling paging
2022-08-24 13:42:59 -04:00
Robert Morris
29ce3161f8
Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscv
2022-08-24 13:24:37 -04:00
Robert Morris
9c1b8a4eb0
sfence before writing satp, as well as after
2022-08-24 13:24:24 -04:00
