74c1eba516
Made va and size page aligned in mappages
3 years ago
0802d56a9b
x
3 years ago
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.
3 years ago
f376ad7f1f
scheduler()'s intr_on() is in the wrong place, reflecting
...
the locking scheme from long ago.
3 years ago
348cf7fee4
forkret first memory model
3 years ago
d2b2dff749
fix copyout() to refuse to write a read-only page
3 years ago
989e8f2f1f
Remove unused PLIC_M* macros
3 years ago
463ae0abc3
handle negative arguments to sleep() a little better
3 years ago
ed101befee
comment the sfences
3 years ago
581bc4cbd1
sfence before enabling paging
3 years ago
29ce3161f8
Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscv
3 years ago
9c1b8a4eb0
sfence before writing satp, as well as after
3 years ago
cc486ddee0
Help students read this C syntax
3 years ago
96047832c6
Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscv
3 years ago
7c1810e1ae
tolerate running out of inodes
3 years ago
ac8c0bb177
x
3 years ago
858fc68bdf
Linker script makes binaries bigger; use larger disk so that usertests
...
can run.
Must assumed_free in badwrite() be adjusted?
3 years ago
ccb7bd14c7
Merge branch 'riscv' into uvm-perm
3 years ago
4cd4d194b8
Use simple linker script to force data segment to be page aligned
3 years ago
8621be8f3d
tolerate out of disk when creating . and .. in mkdir()
3 years ago
dc405cdb7b
don't panic if out of disk space when extending a directory.
3 years ago
cd6207a972
Merge branch 'riscv-killed' into riscv
3 years ago
2f0b4d698b
Use pp instead of np to be more consistent
3 years ago
2a391ebc8b
Make argint() and argaddr() of type void (thanks Harry Porter)
3 years ago
7086197c27
Simplify uartputc slightly (thanks Harry Porter)
3 years ago
63ef3b8c9f
slightly better comments
3 years ago
1d4c437ea1
Use uint64 (thanks carlclone and Harry Porter)
3 years ago
cef1b57d4a
Compile user binary to map text without W and data without X
...
Use the flags in elf header to set vm permissions
Modify pgbug() so that usertests text segment is without W
Add test to check app cannot write text segment
3 years ago
7a6d57235c
Costmestic change (thanks Harry Porter)
3 years ago
899cc02660
Experiment with being more precise setting permissions for user pages.
...
Growing adds R|W pages (without X). Exec() marks the stack only R|W.
Probably could setup permissions for text and data better if we call
ld with --no-omagic instead of -N.
3 years ago
8f58cc7df9
Cosmetic change (thanks Harry Porter)
3 years ago
62bc610424
cosmetic changes (thanks Harry Porter)
3 years ago
dd5a720044
cosmetic changes (thanks Harry Porter)
3 years ago
8bd04852c9
Delete rtcdate, which is a left-over from an old lab (thanks Harry Porter)
3 years ago
48d1a7ffa5
Add USED to states (thanks Harry Porter)
3 years ago
4f716c8550
Use p->lock to read p->killed
3 years ago
429c7b717e
Use atomic store_n and load_n
3 years ago
975f3b31d3
Clean up using killed()
3 years ago
4087a6e7fc
Read and write p->killed using atomics
3 years ago
c908d20132
put walk() in defs.h so it's clear students can call it
3 years ago
872fa88e8a
tolerate running out of disk blocks
3 years ago
7d573bae2a
Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscv
3 years ago
f4b3edf5ab
comment nits
3 years ago
9f3673c4da
fix 'kfree' comment in kalloc.c
...
'kfree' has a parameter named 'pa' but referenced in the comment as 'v'.
3 years ago
a2e4051b99
Added missing va_end().
3 years ago
7d8bfdcbe3
nothing much
3 years ago
27a669ef25
comment nits
3 years ago
af9abaca05
Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscv
3 years ago
3abd7a16dd
comment
3 years ago
cf0c095721
sscratch cleanup
3 years ago
asselism
Robert Morris
Frans Kaashoek
WaheedHafez
Ravjot Singh Samra