Commit Graph

2 Commits

Author SHA1 Message Date
Bahadir Balban
cc96e2c86c Full IPC working.
- Test0 has a full ipc mr read/write test.
- A full ipc occurs for definite only if both parties use the FULL IPC flag.
  Otherwise the thread that makes the ipc copy rules on whether it was a short
  or a full copy.
2009-05-19 15:39:01 +03:00
Bahadir Balban
40e088b042 Modifications towards full ipc
- Added a full ipc send/recv test
- Removed non-zero value checking in r2 for ipc that was there
  to catch inadvertent full ipc calls.
- Added correct hanlding for read/write mrs for current status of utcb.

TODO:
- Add mapping of every utcb to every task for privileged access so that
  the kernel can access every utcb without switching spaces.
- Removal of same mappings
- Upon thread creation need to copy page tables accordingly i.e.
  each task will have its own utcb mapped with USER access, but every
  other utcb as kernel access only. Need to handle this case upon page
  table copying.
2009-05-17 20:49:13 +03:00