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kernel: add Connect stub

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It doesn't respond, but it prints a message now at least.

Signed-off-by: Sean Cross <sean@xobs.io>
This commit is contained in:
Sean Cross 2020-03-19 08:54:52 +08:00
parent 2dd62e50fd
commit 04eb18e2fb
2 changed files with 13 additions and 1 deletions
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8
kernel/src/services.rs
View file

@ -5,7 +5,7 @@ pub use crate::arch::ProcessContext;
use crate::args::KernelArguments;
use crate::mem::{MemoryManagerHandle, PAGE_SIZE};
use core::{mem, slice};
use xous::{MemoryFlags, PID, SID};
use xous::{MemoryFlags, CID, PID, SID};
const MAX_PROCESS_COUNT: usize = 32;
const MAX_SERVER_COUNT: usize = 32;
@ -490,6 +490,12 @@ impl SystemServices {
}
Err(xous::Error::OutOfMemory)
}
/// Allocate a new server ID for this process and return the address.
/// If the server table is full, return an error.
pub fn connect_to_server(&mut self, sid: SID) -> Result<CID, xous::Error> {
Err(xous::Error::OutOfMemory)
}
}
/// How many people have checked out the handle object.

6
kernel/src/syscall.rs
View file

@ -244,6 +244,12 @@ pub fn handle(call: SysCall) -> xous::Result {
.map(|x| xous::Result::ServerID(x))
.unwrap_or_else(|e| xous::Result::Error(e))
}
SysCall::Connect(sid) => {
let mut ss = SystemServicesHandle::get();
ss.connect_to_server(sid)
.map(|x| xous::Result::ConnectionID(x))
.unwrap_or_else(|e| xous::Result::Error(e))
}
_ => xous::Result::Error(xous::Error::UnhandledSyscall),
}
}