Bahadir Balban 4f346cea53 Added the first means to pass information between 2 tasks using the ...

utcb as a shared page instead of the message registers.

Implemented the code that passes task information from mm0 to fs0
using the fs0 utcb. The code seems to work OK but:

There's an issue with anon pages that they end up on the same swapfile
and with same file offsets (e.g. utcb and stack at offset 0). Need to
fix this issue but otherwise this implementation seems to work.

TODO:
- Separate anon regions into separate vmfiles.
- Possibly map the stacks from virtual files so that they can be
  read from userspace in the future for debugging.
- Possibly utcb could be created as a shared memory object using shmget/shmat
  during startup.

2008-02-29 21:56:05 +00:00

..

lib

Added sys_mkdir and memfs_vnode_mkdir() functions. Untested but all implemented.

2008-02-15 17:32:41 +00:00

memfs

Some efforts to adding better support for readdir

2008-02-14 12:08:21 +00:00

bdev.h

Finished adding untested bare functionality vfs

2008-02-03 17:42:38 +00:00

file.h

Finished adding untested bare functionality vfs

2008-02-03 17:42:38 +00:00

fs.h

Added per-task curdir. and chdir, pager_read/write, mmap and munmap calls.

2008-02-20 00:50:03 +00:00

init.h

Finished adding untested bare functionality vfs

2008-02-03 17:42:38 +00:00

kdata.h

FS0 compiles now, with a mock-up rootfs.

2008-01-15 00:34:10 +00:00

linker.lds

Modified task initialisation so that stack now comes beneath the environment

2008-02-29 01:43:56 +00:00

stat.h

Added vfs_create() to create files and directories.

2008-02-16 15:22:08 +00:00

syscalls.h

Added per-task curdir. and chdir, pager_read/write, mmap and munmap calls.

2008-02-20 00:50:03 +00:00

task.h

Added the first means to pass information between 2 tasks using the

2008-02-29 21:56:05 +00:00

vfs.h

Added per-task curdir. and chdir, pager_read/write, mmap and munmap calls.

2008-02-20 00:50:03 +00:00