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3e91be04d2d18ce0e6c2a182bc767be3a60fe7fe
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5 Commits

Author SHA1 Message Date
Bahadir Balban
7415546410 Reimplemented space handling by introducing an address_space structure. 
- Fixed potential concurrency bugs due to preemption being enabled.
- Introduced a new address space structure to better account for
  address spaces and page tables.
- Currently executes fine up to forking. Will investigate.
 2009-05-08 23:35:19 +03:00
Bahadir Balban
6e1edc0aad Adding address space structure to ktcbs. Still booting until virtual memory is enabled. 2009-05-07 10:26:34 +03:00
Bahadir Balban
4f2e1d3e94 Fixed various minor issues. 
Tag setting before ipc via l4 libraries don't seem to work, whereas
c0 internally generated ipcs do it correctly.
 2008-02-05 18:30:11 +00:00
Bahadir Balban
a82cdd3456 User pointer validity checks. 
Added routines that check whether a user pointer is accessible by the kernel,
and if not ask the pager to map-in those pages. I haven't implemented yet the
bit that asks the pager for paging-in.
 2008-02-05 15:41:14 +00:00
Bahadir Balban
e2b791a3d8 Initial commit 2008-01-13 13:53:52 +00:00