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Smp (#23)

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* Fire up multiple processors

* Use IPIs to wake up secondary processors

* Much better exception information

* Modifications to show more information on fault

* WIP: Use real libstd

* Add TLS (not complete)

* Add random function, export getpid, cleanup

* Do not spin APs until new context

* Update rust

* Update rust

* Use rd/wrfsbase

* Implement TLS

* Implement compiler builtins and update rust

* Update rust

* Back to Redox libstd

* Update rust
This commit is contained in:
Jeremy Soller 2016-10-31 10:49:00 -06:00 • committed by GitHub
parent 25dc44b348
commit 149b0297a4
54 changed files with 1121 additions and 380 deletions
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16
kernel/context/context.rs
View file

@ -5,7 +5,7 @@ use spin::Mutex;
use arch;
use context::file::File;
use context::memory::{Grant, Memory, SharedMemory};
use context::memory::{Grant, Memory, SharedMemory, Tls};
use syscall::data::Event;
use sync::{WaitCondition, WaitQueue};
@ -36,7 +36,7 @@ pub struct Context {
/// Context running or not
pub running: bool,
/// CPU ID, if locked
pub cpuid: Option<usize>,
pub cpu_id: Option<usize>,
/// Context is halting parent
pub vfork: bool,
/// Context is being waited on
@ -55,6 +55,8 @@ pub struct Context {
pub heap: Option<SharedMemory>,
/// User stack
pub stack: Option<Memory>,
/// User Tls
pub tls: Option<Tls>,
/// User grants
pub grants: Arc<Mutex<Vec<Grant>>>,
/// The name of the context
@ -81,7 +83,7 @@ impl Context {
egid: 0,
status: Status::Blocked,
running: false,
cpuid: None,
cpu_id: None,
vfork: false,
waitpid: Arc::new(WaitCondition::new()),
wake: None,
@ -91,6 +93,7 @@ impl Context {
image: Vec::new(),
heap: None,
stack: None,
tls: None,
grants: Arc::new(Mutex::new(Vec::new())),
name: Arc::new(Mutex::new(Vec::new())),
cwd: Arc::new(Mutex::new(Vec::new())),
@ -153,6 +156,13 @@ impl Context {
pub fn unblock(&mut self) -> bool {
if self.status == Status::Blocked {
self.status = Status::Runnable;
if let Some(cpu_id) = self.cpu_id {
if cpu_id != ::cpu_id() {
// Send IPI if not on current CPU
// TODO: Make this more architecture independent
unsafe { arch::device::local_apic::LOCAL_APIC.ipi(cpu_id) };
}
}
true
} else {
false