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Author SHA1 Message Date
Sean Cross
e2296fceac ThreadID: rename from CtxID 
Contexts are now renamed to Threads, which better reflects what they
actually are.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-07-16 11:04:31 +08:00
Sean Cross
11994d325b kernel: test: add test for server_client_same_process 
This is part of `multiple_contexts`, but it's nice to have an explicit
test for this functionality.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-07-16 10:22:26 +08:00
Sean Cross
b52847e467 xous-rs: mark Scalar messaages as Clone,Copy 
They are all scalar values, so there's no reason not to mark them Copy.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-07-16 10:22:04 +08:00
Sean Cross
1216963d24 rename contexts -> threads and spawn -> create 
This ensures we're more consistent in naming for these constructs.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-07-16 10:17:46 +08:00
Sean Cross
ba7bb29ce2 kernel: don't block on full queue for Scalar/Move msgs 
For Scalar and Move messages, the client does not need to block if the
server does not have any waiting messages. In this case, send an `Ok`
response.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-07-16 10:16:42 +08:00
Sean Cross
506d01fe4a kernel: test: use server_address() to create fn as_process() 
This allows us to spawn a new process and set the server address
transparently.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-07-16 10:04:50 +08:00
Sean Cross
62cff0b9c7 xous-rs: add a function call to get current server address 
This function will assist us in creating calls to spawn processes and
threads.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-07-16 10:04:17 +08:00
Sean Cross
fb32aab691 kernel: testing: move memory profiling into its own test 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-07-15 21:24:18 +08:00
Sean Cross
bf15ac08f4 kernel: tests: add memory measurement to test suite 
This adds a feature to enable memory measurement, so we can determine if
we're leaking memory anywhere.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-07-15 17:08:05 +08:00
Sean Cross
e652150c6e kernel: get multiple message passing working 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-07-15 16:09:42 +08:00
Sean Cross
0ffbaa369a kernel: fix remaining warnings 
This just silences them, which isn't great in the long run.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-07-14 15:16:51 +08:00
Sean Cross
b93abcc926 kernel: test: implement mutable borrow 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-07-14 15:10:25 +08:00
Sean Cross
d7006e675e kernel: get send_borrow_message test working 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-07-14 12:11:57 +08:00
Sean Cross
964b6e0f46 kernel: disable more debug prints 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-07-14 10:08:49 +08:00
Sean Cross
05d1cf71dc port: use kernel-assigned port number for tests 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-07-13 19:57:30 +08:00
Sean Cross
b388d2e1f4 kernel: use SocketAddr instead of &str 
This is easier to copy around and seems to be more informative.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-07-13 19:45:29 +08:00
Sean Cross
8f74159674 rename ImmutableBorrow -> Borrow 
THis is more in-line with Rust conventions.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-07-13 19:19:25 +08:00
Sean Cross
85c719643a kernel: tests: factor out common connect code 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-07-13 19:15:51 +08:00
Sean Cross
05ccba9450 kernel: implement move test 
We can now `Move` memory from one "process" to another.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-07-13 18:31:51 +08:00
Sean Cross
40ed6365e2 first memory message works 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-07-13 17:41:50 +08:00
Sean Cross
acf9b049f7 hosted: start working on memory-based message passing 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-07-12 11:18:26 +08:00
Sean Cross
e1a92e929c kernel: replace more unimplemented!() with UnhandledSyscall 
This should prevent pacnics when calling unhandled functions.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-07-04 11:58:18 +08:00
Sean Cross
acfe8e5076 kernel: fix pid termination 
Previously, we were recycling PIDs when devices disconnected, however we
weren't cleaning up PIDs within the system-level table.

This now cleans up these entries.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-06-25 18:15:36 +08:00
Sean Cross
9f1b1e7ec8 kernel: tests: get both tests working 
We now have two tests. These tests may be run either in parallel or in series.

If they are run in parallel, then they will each have their own thread
local storage, and each will initialize things from scratch.

If they are run in series, then the thread local storage will be reused
between the two processes.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-06-25 17:41:17 +08:00
Sean Cross
54a0db50b3 kernel: start using tls 
This allows us to run multiple kernels in parallel.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-06-24 17:51:31 +08:00
Sean Cross
abcba48a2a kernel: add tests 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-06-24 12:29:04 +08:00
Sean Cross
04faa898c7 hosted: cutting down on println messages 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-06-23 16:40:51 +08:00
Sean Cross
cbd8ec3a30 test: get message passing working 
We are now able to pass messages around as part of a test.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-06-23 15:47:18 +08:00
Sean Cross
e9469991be test: get initial test passing 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-06-23 14:42:01 +08:00
Sean Cross
b1a41978ba shutdown: add shutdown syscall 
This will be used during testing to shutdown the kernel once it's
finished.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-06-23 13:58:15 +08:00
Sean Cross
14bb1ac1e5 kernel: working on getting process termination functioning 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-06-22 17:42:24 +08:00
Sean Cross
9361055aec kernel: work-in-progress for process termination 
Processes can go away. This is initial work to support process
termination.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-06-18 11:39:46 +08:00
Sean Cross
2786ad697b kernel: get scalar message passing working again 
This gets basic scalar message passing working again. With this, the
following operations may be performed:

    * Starting a server
    * Connecting to a server
    * Sending a scalar message

Care must be taken to not overflow a server's queue, particularly if
writers are faster than readers.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-06-16 16:34:49 +08:00
Sean Cross
723529ba20 wip: working on getting message passing working 
The goal is to get a basic message passing engine working that will also
function as a device that works on real hardware.

This is still reworking it to function correctly on a desktop system.
Once that is working, it will be reworked to function once again on
hardware.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-06-15 18:13:10 +08:00
Sean Cross
973945fce2 tools: read-tags: fix bad pointer arithmetic 
This removes raw pointer usage that could cause unaligned accesses.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-06-15 12:30:21 +08:00
Sean Cross
7da67f050a tools: fix most clippy warnings 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-06-15 12:04:23 +08:00
Sean Cross
c1c31dbfe4 loader: fix most clippy warnings 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-06-15 12:03:59 +08:00
Sean Cross
a6c45339e2 docs: remove outdated syscall documentation 
This document was horribly out of date. The canonical implementation is
located within `syscall.rs`.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-06-10 10:29:16 +08:00
Sean Cross
21c46de60e kernel: move to allow hosted init 
This prepares for new calls to init SystemServices and the MemoryManager
so that they can be initialized with something other than a
KernelArguments struct.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-06-03 18:28:22 +08:00
Sean Cross
322e2e7804 xous: remove all instances of raw pointers 
We now use MemoryAddress and MemorySize wrappers where applicable.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-06-03 15:40:15 +08:00
Sean Cross
6ad48ab062 examples: shell: adapt to new form of syscalls 
We're not slinging raw pointers around anymore.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-06-03 15:39:48 +08:00
Sean Cross
8cc43d64b5 examples: log: get building cross-platform 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-06-03 15:39:38 +08:00
Sean Cross
17ae34a1c1 kernel: begin actor refactor 
This refactors the kernel so that it *can* run on baremetal, but it can
also run as part of a full system.

This will aid in developing, and ensure that a minimum amount of unsafe
code is present within the kernel.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-06-03 15:34:55 +08:00
Sean Cross
0ad04605ad cargo: add lazy_static to lockfile 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-06-03 12:07:33 +08:00
Sean Cross
e059494a7f xous-rs: begin adding support for native message passing 
This will send data via a TCP connection to simulate making syscalls.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-06-03 12:06:46 +08:00
Sean Cross
0fae191651 examples: shell: get building in a hosted env 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-06-03 11:02:44 +08:00
Sean Cross
40d4483e4f clippy: fix several clippy warnings 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-06-01 11:36:19 +08:00
Sean Cross
d4db20e516 kernel: add preemptive multitasking 
This is still a work in progress, but we now can have multiple processes
running at once.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-04-06 15:52:07 +08:00
Sean Cross
aec047b944 loader: add test for minielf spanning a page 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-04-06 15:34:18 +08:00
Sean Cross
73ad16d367 loader: fix loading when init spans pages 
Due to an issue withow MiniELF files were loaded, one page was mapped to
two addresses rather than having two adjacent addresses mapped.  This
occurred when a small section spanned two pages.

This has now been corrected, and an additional test binary will be added
to demonstrate the issue.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-04-06 15:29:37 +08:00