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248 commits

Author SHA1 Message Date
Sean Cross
8927ef00a2 kernel: add TryReceiveMessage support 
This is a nonblocking form of ReceiveMessage.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-11-25 20:26:21 +08:00
bunnie
db25b05a14 Merge branch 'master' of github.com:betrusted-io/xous-core 2020-11-24 22:46:24 +08:00
bunnie
772bceeb2d fix interrupt pending clear issue in debug module 
during conversion to documented interrupts from Litex a case was
missed.
 2020-11-24 22:46:10 +08:00
Sean Cross
59b108f0d2 Cargo: update to latest lockfiles 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-11-24 22:30:40 +08:00
Sean Cross
f3a2c31067 kernel: add test for out-of-order blockingscalars 
This already works, we just want to make sure it works.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-11-24 15:35:54 +08:00
Sean Cross
e3cb05baf5 kernel: syscall: send WouldBlock to retry messages 
This is handled by the client library to re-send the request.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-11-23 20:04:37 +08:00
bunnie
1aa01fdf5d confirm sleep works, some minor fixup to UTRA style usage 2020-11-23 19:02:02 +08:00
Sean Cross
65c8c6eef5 kernel: implement and use klog!() macro 
This replaces the majority of println!() and print!() calls, and works
on baremetal and hosted modes.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-11-23 17:24:28 +08:00
Sean Cross
eecd9c2367 kernel: syscall: return Ok for yield() on hosted 
When running in Hosted mode, a yield shouldn't do anything.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-11-23 17:23:53 +08:00
Sean Cross
dfa20cc1b1 kernel: test: rename send_repeat_mutableborrow_message 
This function would previously clash with the other name.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-11-23 17:22:59 +08:00
Sean Cross
657604a199 kernel: test: use as_ptr() for memory messages 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-11-23 17:22:37 +08:00
Sean Cross
1291a2b3aa kernel: hosted: fix unused variable warnings 
These only appear when not printing messages.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-11-23 17:21:57 +08:00
Sean Cross
6041269033 kernel: Cargo: minor spacing reformat 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-11-23 17:14:39 +08:00
Sean Cross
8a3f6a2b43 kernel: fix mutableborrow message returning 
We weren't properly updating the packet when a mutableborrow was getting
returned.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-11-23 15:19:02 +08:00
Sean Cross
be1687ffdd Merge branch 'master' of github.com:betrusted-io/xous-core 2020-11-23 14:20:27 +08:00
bunnie
2d5bd20c16 bouncing ball "招财猫"-like totem now working 2020-11-23 03:18:43 +08:00
bunnie
710abce418 fixup to latest soc.svd register documentation standard 2020-11-22 03:45:44 +08:00
Sean Cross
5186594f17 kernel: remove excess debug output from hosted mode 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-11-11 16:22:29 +08:00
Sean Cross
b8d9d1e1b3 Revert "kernel: hosted: don't send responses twice" 
This causes problems, and fixes an issue that doesn't actually exist.
Revert it.

This reverts commit fc9f597092.
 2020-11-11 16:18:39 +08:00
Sean Cross
4e6a189e4e kernel: fix returning scalars in interrupt context 
This is now allowed.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-11-11 16:06:08 +08:00
Sean Cross
4b83edc43b kernel: server: replace ctx with tid 
Threads haven't been called contexts for a very long time.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-11-11 16:04:35 +08:00
Sean Cross
7156ab5e79 kernel: mem: match riscv printf with rest of formatting 
We don't use `println` anymore, we use `print`.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-11-11 16:03:52 +08:00
Sean Cross
aee42bf264 kernel: print message when idling 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-11-11 16:03:29 +08:00
Sean Cross
fc9f597092 kernel: hosted: don't send responses twice 
If we've already sent a response, don't send a second response.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-11-11 12:55:58 +08:00
Sean Cross
2698333382 kernel: allow making syscalls from an interrupt 
This enables calling some syscalls from within an interrupt context.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-11-01 17:59:26 +08:00
Sean Cross
c6e12a5ecd kernel: remove dead code from hosted/irq.rs 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-11-01 16:29:36 +08:00
Sean Cross
7ab2338ff3 kernel: add in_irq parameter to syscall::handle() 
This parameter will determine whether a syscall is being handled from
within an interrupt context. This is because certain calls cannot be
called from such a context.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-11-01 16:27:39 +08:00
Sean Cross
719549a2cb xous: rename ReturnToParentI -> ReturnToParent 
This syscall isn't the only one that can be called from an interrupt
context.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-11-01 16:26:19 +08:00
Sean Cross
d76832dada kernel: services: return ServerNotFound when server isn't found 
This is more intuitive than `OutOfMemory`.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-10-30 20:43:59 +08:00
Sean Cross
2244a78f16 kernel: allow syscall processing when printing is disabled 
Due to a missing comment, syscalls wouldn't work at all when printing
was disabled. Fix this.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-10-30 20:43:22 +08:00
Sean Cross
6e312ffc8a kernel: process: only print process inits when printing is enabled 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-10-30 20:42:57 +08:00
Sean Cross
e5003eee6d kernel: only print RISC-V exceptions when printing is enabled 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-10-30 20:42:25 +08:00
Sean Cross
49d3ce8a6f kernel: syscall: unify print!() messages 
Use `print!()` instead of `println!()` in order to make error messages
easier to read in the debug console.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-10-30 10:19:28 +08:00
Sean Cross
b3d918358e kernel: syscall: don't error on unaligned memory when Hosted 
When running in a Hosted environment, unaligned memory is not an error,
so don't return `BadAlignment`.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-10-30 10:18:50 +08:00
Sean Cross
95ab9d3c02 kernel: server: unify print messages 
Don't use `println!()`, and instead prefer to use `print!()` when in the
kernel.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-10-30 10:17:27 +08:00
Sean Cross
20a65b88f2 kernel: server: don't Forget Borrow and MutableBorrow messages 
These should be returned to the client process after the message is
done, not forgotten straightaway.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-10-30 10:16:52 +08:00
Sean Cross
cb2d810b38 kernel: irq: prefix pagefault message with KERNEL(pid) 
This unifies this message with other kernel messages.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-10-30 10:16:14 +08:00
Sean Cross
04a3493550 kernel: hosted: print status adding memory to return val 
When returning memory to a thread, attach memory if present.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-10-30 10:15:32 +08:00
Sean Cross
74b3fde198 kernel: add memory from Results to network packets 
If a Result contains attached memory, add that memory on to the network
packet that gets sent by the kernel.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-10-30 10:14:43 +08:00
Sean Cross
702676031e kernel: hosted: run rustfmt 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-10-30 10:14:33 +08:00
Sean Cross
5f6b42d534 kernel: hosted: print pid of a process that exited 
Signed-off-by: Sean Cross <sean@xobs.io>
 2020-10-30 10:14:02 +08:00
Sean Cross
fa9a3e0954 kernel: rework hosted network protocol 
This fixes issues regarding passing memory between processes.

We now properly catch `ReturnMemory` and give the memory back.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-10-29 19:46:17 +08:00
bunnie
9a8c402cc2 add hosted mode bits back in 2020-10-14 23:04:54 +08:00
bunnie
6ff8c8518c Merge branch 'master' of github.com:betrusted-io/xous-core 2020-10-14 23:02:14 +08:00
bunnie
ac4d79ea68 logging server bringup 2020-10-14 23:01:57 +08:00
Sean Cross
797d622cc7 kernel: use connect() for some kernel tests 
Now that `connect()` works, use that for some tests rather than
exclusively using `try_connect()`.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-10-14 19:19:01 +08:00
Sean Cross
80a003c839 kernel: syscall: implement connect() 
This implements the `connect()` syscall as a blocking version of
`try_connect()`.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-10-14 19:18:16 +08:00
bunnie
5cf8e9e3bc Merge remote-tracking branch 'origin/master' into ticktimer 2020-10-14 15:30:47 +08:00
Sean Cross
54a8de2776 kernel: fix return_scalar and return_scalar2 
These didn't correctly set the thread status in the server when
returning a value. Instead of marking a server as runnable, it remained
in an idle state.

This correctly sets the thread status in the server, and resumes the
client.

This has been tested in Renode as well as using `cargo test`.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-10-14 11:16:21 +08:00
Sean Cross
ecd2d00f47 kernel: fix return_scalar2 
This call did not work, because it wasn't properly returning control to
the parent process.

Signed-off-by: Sean Cross <sean@xobs.io>
 2020-10-14 10:54:23 +08:00