Frans Kaashoek
1e4d7065d6
Merge branch 'riscv' into riscv-proc
2019-07-02 14:19:31 -04:00
Frans Kaashoek
67702cf706
Checkpoint switching to per-process locks, in attempt clarify xv6's
...
locking plan, which is a difficult to understand because ptable lock
protects many invariants. This implementation has a bug: once in a
while xv6 unlocks a proc lock that is locked by another core.
2019-07-02 09:14:47 -04:00
Robert Morris
40f1041a0a
don't enable interrupts until done with sstatus, scause, &c
2019-07-02 05:20:11 -04:00
Robert Morris
0498bfd159
timer interrupt in the kernel -> yield
2019-07-01 13:46:11 -04:00
Robert Morris
ca39672a30
clean up virtio code
2019-06-13 09:40:17 -04:00
Robert Morris
de9d72c908
virtio disk driver
2019-06-13 06:49:02 -04:00
Robert Morris
5753553213
separate source into kernel/ user/ mkfs/
2019-06-11 09:57:14 -04:00