Robert Morris
e7ffb74ad1
fix a potential memory leak
2019-10-27 13:36:46 -04:00
Robert Morris
d9160fb4b9
nits
2019-10-27 08:03:19 -04:00
Anish Athalye
f2ab0eb644
Clean up linker script
...
This patch does the following:
- Add .text.* to the .text section in the output
- Add an assertion that the trampoline does not overflow a page
- Add the .rodata section
- Make .sdata and .sdata.* (which is for small data) be absorbed into
the .data section, because we don't need to distinguish between them;
this prevents .sdata from appearing in the output
- Make the analogous change for .srodata and .sbss
- Make all the data sections 16-byte aligned
This patch also updates the .editorconfig for *.ld files.
2019-10-21 22:27:18 -04:00
Fumiya Shigemitsu
90eb90b5e2
Fix minor typos
2019-10-21 21:01:07 +09:00
Robert Morris
2821d43cc9
nits
2019-10-16 12:27:08 -04:00
Anish Athalye
f2df0fa547
Fix ulib's memmove to handle overlap when src<dst
2019-10-08 21:24:03 -04:00
Anish Athalye
8509784d80
Add implementations of memcmp and memcpy to ulib
...
This is necessary because gcc may generate calls to memcmp, memset,
memcpy, and memmove when compiling with -nostdlib.
2019-10-08 21:18:54 -04:00
Robert Morris
a52d296814
delete alarmtest from riscv
2019-10-03 15:09:31 -04:00
Robert Morris
56583b1402
updated alarmtest
2019-10-03 15:02:19 -04:00
Anish Athalye
78f863f8ae
Add editorconfig
2019-09-30 20:38:17 -04:00
Anish Athalye
d441674477
Make QEMU memory size match PHYSTOP
2019-09-30 20:32:57 -04:00
Robert Morris
deaff5d8a6
no buf->qnext
2019-09-24 14:41:51 -04:00
Xi Wang
9ead904afe
fix major validation
...
fileread/filewrite should validate major to avoid buffer overflows
or bogus function pointers.
2019-09-23 20:01:56 -04:00
Robert Morris
37df68e5de
story is more complex than I thought.
2019-09-23 07:24:41 -04:00
Robert Morris
d175beadf5
bug fix: reparent() sometimes deadlocked
...
bug fix: exit() sometimes released a different parent lock than it acquired
usertests
2019-09-23 06:50:25 -04:00
Frans Kaashoek
843ce77765
Stress copyin for the full allocated page (good for lazy lab).
2019-09-21 17:28:18 -04:00
Robert Morris
d940fd122d
don't leak memory if exec() arguments are invalid.
2019-09-21 04:54:25 -04:00
Frans Kaashoek
6b79ee69b7
Refactor big sbrk test in smaller, easier-to-understand tests
2019-09-21 02:07:24 -04:00
Frans Kaashoek
ee67dbd211
Not much: factor sbrksimple from big sbrktest
2019-09-20 17:08:13 -04:00
Robert Morris
7c7ed20822
don't leak a file system block if the buf argument to write is invalid
...
and a usertest
2019-09-20 13:09:26 -04:00
Robert Morris
e1a37303c8
yet another sbrk() bug fix, and usertest
2019-09-20 12:13:57 -04:00
Robert Morris
4de161f973
don't panic if a program frees all its memory with sbrk().
...
if a program sbrk()'s to a non-page-boundary, don't free that page.
corresponding usertests.
2019-09-20 11:35:27 -04:00
Robert Morris
ca30cac702
more incorrect cast to uint
2019-09-20 10:27:03 -04:00
Robert Morris
402e7b5605
fix a potential kernel crash
...
add a regression test for it
2019-09-20 09:41:03 -04:00
Robert Morris
57e40a0204
nits
2019-09-20 06:02:47 -04:00
Frans Kaashoek
ba1c42849a
print name at start of test
2019-09-19 15:39:05 -04:00
Frans Kaashoek
25e6803e17
a comment
2019-09-19 15:22:45 -04:00
Frans Kaashoek
3f6e372a29
make exec test self contained
2019-09-19 15:14:52 -04:00
Frans Kaashoek
f6a37c17f2
Standarize the way tests are run and report errors
...
Support running one test, by specifying the name as a command argument to usertests
2019-09-19 06:58:28 -04:00
Robert Morris
0d01de2a32
Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscv
2019-09-17 06:08:10 -04:00
Robert Morris
2df42355f7
all of PTE_FLAGS
2019-09-17 06:07:58 -04:00
Xi Wang
b150908354
add `-bios none' to silence qemu
...
QEMU 4.1+ emits warnings if -bios is not given, as newer versions
will load the OpenSBI firmware in this case. Pass `-bios none' to
avoid this issue.
2019-09-13 17:23:36 -04:00
Robert Morris
036b5edf12
set architecture riscv:rv64 -- fix gdb trampoline disassembly, thanks jonathan
2019-09-12 10:48:48 -04:00
Robert Morris
35010f0d0f
error exit status is 1
2019-09-11 10:04:40 -04:00
Frans Kaashoek
7e6c37e67e
Support exit status for exit/wait
...
One test case for returning a exit status
Passes usertests, but haven't used it to simplify tests
2019-09-10 12:30:10 -04:00
Frans Kaashoek
035cca95fe
Make the end variable be really at the end of bss, and delete + 4096 in freerange()
2019-09-08 15:19:19 -04:00
Robert Morris
e5b7fa62cc
thanks to Anthony Coulter
2019-09-08 06:51:58 -04:00
Robert Morris
fc337af2b6
fix a grep bug
2019-09-05 16:50:55 -04:00
Robert Morris
c0beeccb1b
have echo use FD 1 for clarity
2019-09-04 10:12:53 -04:00
Robert Morris
25e113138d
sfence.vma in trampoline as well
2019-09-03 16:29:48 -04:00
Robert Morris
9b9e2dd0f2
fix sfence_vma comment
2019-09-03 16:25:11 -04:00
Robert Morris
86a1d4b295
sfence_vma after satp
2019-09-03 15:45:07 -04:00
Robert Morris
64b93d175a
user printf(1 -> printf(
2019-08-27 13:13:03 -04:00
Frans Kaashoek
a3f6d9fd1e
cow moved to xv6-riscv-fall19
2019-08-26 21:16:33 -04:00
Frans Kaashoek
92c3c02098
RISC-V port doesn't borrow this code
2019-08-26 08:49:50 -04:00
Frans Kaashoek
510bcde894
Add major/minor/mkdev
...
Maybe apply this change to master
2019-08-23 19:41:53 -04:00
Frans Kaashoek
7241838b4c
Move labs into 6.828 repo. The lab text isn't dependent on specific
...
xv6 code. Lab submission instructions etc. are likely going to be more
MIT 6.828 specific.
2019-08-20 20:23:18 -04:00
Frans Kaashoek
c612d452fd
validateint doesn't test something interesting on RISC-V; delete it.
2019-08-20 13:04:12 -04:00
Frans Kaashoek
b564fca246
Rationalize some constants in usertests
2019-08-20 12:58:00 -04:00
Frans Kaashoek
d98ddadd79
Also release buffer on failed copyout
2019-08-20 12:46:56 -04:00
