Update semihosting

This commit is contained in:
Emil Fresk 2023-01-08 19:40:31 +01:00 committed by Henrik Tjäder
parent 01e01643f5
commit 1fdcde1ead
25 changed files with 88 additions and 97 deletions

View file

@ -24,8 +24,8 @@ mod app {
struct Local {}
#[init]
fn init(cx: init::Context) -> (Shared, Local) {
hprintln!("init").unwrap();
fn init(_: init::Context) -> (Shared, Local) {
hprintln!("init");
async_task1::spawn().ok();
async_task2::spawn().ok();
@ -51,8 +51,7 @@ mod app {
*a += 1;
*a
})
)
.ok();
);
}
#[task(priority = 1, shared = [a, b])]
@ -63,8 +62,7 @@ mod app {
*a += 1;
*a
})
)
.ok();
);
}
#[task(priority = 2, shared = [a, b])]
@ -75,8 +73,7 @@ mod app {
*a += 1;
*a
})
)
.ok();
);
}
#[task(priority = 2, shared = [a, b])]
@ -87,7 +84,6 @@ mod app {
*a += 1;
*a
})
)
.ok();
);
}
}

View file

@ -24,7 +24,7 @@ mod app {
#[init]
fn init(_cx: init::Context) -> (Shared, Local) {
hprintln!("init").unwrap();
hprintln!("init");
async_task::spawn().unwrap();
async_task2::spawn().unwrap();
@ -44,18 +44,18 @@ mod app {
#[task(binds = UART1, shared = [a])]
fn hw_task(cx: hw_task::Context) {
let hw_task::SharedResources { a: _, .. } = cx.shared;
hprintln!("hello from hw").ok();
hprintln!("hello from hw");
}
#[task(shared = [a])]
async fn async_task(cx: async_task::Context) {
let async_task::SharedResources { a: _, .. } = cx.shared;
hprintln!("hello from async").ok();
hprintln!("hello from async");
}
#[task(priority = 2, shared = [a])]
async fn async_task2(cx: async_task2::Context) {
let async_task2::SharedResources { a: _, .. } = cx.shared;
hprintln!("hello from async2").ok();
hprintln!("hello from async2");
}
}

View file

@ -67,13 +67,13 @@ mod app {
fn uart0(mut cx: uart0::Context) {
cx.shared
.big_struct
.lock(|b| hprintln!("uart0 data:{:?}", &b.data[0..5]).unwrap());
.lock(|b| hprintln!("uart0 data:{:?}", &b.data[0..5]));
}
#[task(shared = [big_struct], priority = 2)]
async fn async_task(mut cx: async_task::Context) {
cx.shared
.big_struct
.lock(|b| hprintln!("async_task data:{:?}", &b.data[0..5]).unwrap());
.lock(|b| hprintln!("async_task data:{:?}", &b.data[0..5]));
}
}

View file

@ -23,14 +23,14 @@ mod app {
fn init(_: init::Context) -> (Shared, Local) {
rtic::pend(Interrupt::UART0);
hprintln!("init").unwrap();
hprintln!("init");
(Shared {}, Local {})
}
#[idle]
fn idle(_: idle::Context) -> ! {
hprintln!("idle").unwrap();
hprintln!("idle");
rtic::pend(Interrupt::UART0);
@ -49,7 +49,6 @@ mod app {
"foo called {} time{}",
*cx.local.times,
if *cx.local.times > 1 { "s" } else { "" }
)
.unwrap();
);
}
}

View file

@ -25,7 +25,7 @@ mod app {
#[init]
fn init(_: init::Context) -> (Shared, Local) {
hprintln!("init").unwrap();
hprintln!("init");
(
Shared {
@ -39,31 +39,31 @@ mod app {
#[idle(shared = [s2, s3])]
fn idle(mut cx: idle::Context) -> ! {
hprintln!("idle p0 started").ok();
hprintln!("idle p0 started");
rtic::pend(Interrupt::GPIOC);
cx.shared.s3.lock(|s| {
hprintln!("idle enter lock s3 {}", s).ok();
hprintln!("idle pend t0").ok();
hprintln!("idle enter lock s3 {}", s);
hprintln!("idle pend t0");
rtic::pend(Interrupt::GPIOA); // t0 p2, with shared ceiling 3
hprintln!("idle pend t1").ok();
hprintln!("idle pend t1");
rtic::pend(Interrupt::GPIOB); // t1 p3, with shared ceiling 3
hprintln!("idle pend t2").ok();
hprintln!("idle pend t2");
rtic::pend(Interrupt::GPIOC); // t2 p4, no sharing
hprintln!("idle still in lock s3 {}", s).ok();
hprintln!("idle still in lock s3 {}", s);
});
hprintln!("\nback in idle").ok();
hprintln!("\nback in idle");
cx.shared.s2.lock(|s| {
hprintln!("enter lock s2 {}", s).ok();
hprintln!("idle pend t0").ok();
hprintln!("enter lock s2 {}", s);
hprintln!("idle pend t0");
rtic::pend(Interrupt::GPIOA); // t0 p2, with shared ceiling 2
hprintln!("idle pend t1").ok();
hprintln!("idle pend t1");
rtic::pend(Interrupt::GPIOB); // t1 p3, no sharing
hprintln!("idle pend t2").ok();
hprintln!("idle pend t2");
rtic::pend(Interrupt::GPIOC); // t2 p4, no sharing
hprintln!("idle still in lock s2 {}", s).ok();
hprintln!("idle still in lock s2 {}", s);
});
hprintln!("\nidle exit").ok();
hprintln!("\nidle exit");
debug::exit(debug::EXIT_SUCCESS); // Exit QEMU simulator
@ -81,9 +81,8 @@ mod app {
"t0 p2 called {} time{}",
*cx.local.times,
if *cx.local.times > 1 { "s" } else { "" }
)
.ok();
hprintln!("t0 p2 exit").ok();
);
hprintln!("t0 p2 exit");
}
#[task(binds = GPIOB, priority = 3, local = [times: u32 = 0], shared = [s3, s4])]
@ -95,19 +94,18 @@ mod app {
"t1 p3 called {} time{}",
*cx.local.times,
if *cx.local.times > 1 { "s" } else { "" }
)
.ok();
);
cx.shared.s4.lock(|s| {
hprintln!("t1 enter lock s4 {}", s).ok();
hprintln!("t1 pend t0").ok();
hprintln!("t1 enter lock s4 {}", s);
hprintln!("t1 pend t0");
rtic::pend(Interrupt::GPIOA); // t0 p2, with shared ceiling 2
hprintln!("t1 pend t2").ok();
hprintln!("t1 pend t2");
rtic::pend(Interrupt::GPIOC); // t2 p4, no sharing
hprintln!("t1 still in lock s4 {}", s).ok();
hprintln!("t1 still in lock s4 {}", s);
});
hprintln!("t1 p3 exit").ok();
hprintln!("t1 p3 exit");
}
#[task(binds = GPIOC, priority = 4, local = [times: u32 = 0], shared = [s4])]
@ -119,13 +117,12 @@ mod app {
"t2 p4 called {} time{}",
*cx.local.times,
if *cx.local.times > 1 { "s" } else { "" }
)
.unwrap();
);
cx.shared.s4.lock(|s| {
hprintln!("enter lock s4 {}", s).ok();
hprintln!("enter lock s4 {}", s);
*s += 1;
});
hprintln!("t3 p4 exit").ok();
hprintln!("t3 p4 exit");
}
}

View file

@ -43,7 +43,7 @@ mod app {
let b = cx.shared.b;
let c = cx.shared.c;
hprintln!("foo: a = {}, b = {}, c = {}", a, b, c).unwrap();
hprintln!("foo: a = {}, b = {}, c = {}", a, b, c);
}
// De-structure-ing syntax
@ -51,6 +51,6 @@ mod app {
async fn bar(cx: bar::Context) {
let bar::SharedResources { a, b, c, .. } = cx.shared;
hprintln!("bar: a = {}, b = {}, c = {}", a, b, c).unwrap();
hprintln!("bar: a = {}, b = {}, c = {}", a, b, c);
}
}

View file

@ -10,7 +10,7 @@ use panic_semihosting as _;
// Free function implementing the interrupt bound task `foo`.
fn foo(_: app::foo::Context) {
hprintln!("foo called").ok();
hprintln!("foo called");
}
#[rtic::app(device = lm3s6965)]
@ -29,14 +29,14 @@ mod app {
fn init(_: init::Context) -> (Shared, Local) {
rtic::pend(Interrupt::UART0);
hprintln!("init").unwrap();
hprintln!("init");
(Shared {}, Local {})
}
#[idle]
fn idle(_: idle::Context) -> ! {
hprintln!("idle").unwrap();
hprintln!("idle");
rtic::pend(Interrupt::UART0);

View file

@ -12,7 +12,7 @@ use panic_semihosting as _;
// Free function implementing the spawnable task `foo`.
// Notice, you need to indicate an anonymous lifetime <'a_>
async fn foo(_c: app::foo::Context<'_>) {
hprintln!("foo").unwrap();
hprintln!("foo");
debug::exit(debug::EXIT_SUCCESS); // Exit QEMU simulator
}

View file

@ -32,7 +32,7 @@ mod app {
#[task(binds = UART0, shared = [shared], local = [state: u32 = 0])]
fn uart0(c: uart0::Context) {
hprintln!("UART0(STATE = {})", *c.local.state).unwrap();
hprintln!("UART0(STATE = {})", *c.local.state);
// second argument has type `shared::shared`
super::advance(c.local.state, c.shared.shared);
@ -44,7 +44,7 @@ mod app {
#[task(binds = UART1, priority = 2, shared = [shared], local = [state: u32 = 0])]
fn uart1(c: uart1::Context) {
hprintln!("UART1(STATE = {})", *c.local.state).unwrap();
hprintln!("UART1(STATE = {})", *c.local.state);
// second argument has type `shared::shared`
super::advance(c.local.state, c.shared.shared);
@ -61,5 +61,5 @@ fn advance(state: &mut u32, mut shared: impl Mutex<T = u32>) {
(old, *shared)
});
hprintln!("shared: {} -> {}", old, new).unwrap();
hprintln!("shared: {} -> {}", old, new);
}

View file

@ -24,7 +24,7 @@ mod app {
// `init` returns because interrupts are disabled
rtic::pend(Interrupt::UART0); // equivalent to NVIC::pend
hprintln!("init").unwrap();
hprintln!("init");
(Shared {}, Local {})
}
@ -33,7 +33,7 @@ mod app {
fn idle(_: idle::Context) -> ! {
// interrupts are enabled again; the `UART0` handler runs at this point
hprintln!("idle").unwrap();
hprintln!("idle");
rtic::pend(Interrupt::UART0);
@ -53,7 +53,6 @@ mod app {
"UART0 called {} time{}",
*cx.local.times,
if *cx.local.times > 1 { "s" } else { "" }
)
.unwrap();
);
}
}

View file

@ -19,7 +19,7 @@ mod app {
#[init]
fn init(mut cx: init::Context) -> (Shared, Local) {
hprintln!("init").unwrap();
hprintln!("init");
// Set the ARM SLEEPONEXIT bit to go to sleep after handling interrupts
// See https://developer.arm.com/docs/100737/0100/power-management/sleep-mode/sleep-on-exit-bit
@ -33,7 +33,7 @@ mod app {
// Locals in idle have lifetime 'static
let _x: &'static mut u32 = cx.local.x;
hprintln!("idle").unwrap();
hprintln!("idle");
debug::exit(debug::EXIT_SUCCESS); // Exit QEMU simulator

View file

@ -19,7 +19,7 @@ mod app {
#[init]
fn init(_: init::Context) -> (Shared, Local) {
hprintln!("init").unwrap();
hprintln!("init");
(Shared {}, Local {})
}
@ -29,7 +29,7 @@ mod app {
// Locals in idle have lifetime 'static
let _x: &'static mut u32 = cx.local.x;
hprintln!("idle").unwrap();
hprintln!("idle");
debug::exit(debug::EXIT_SUCCESS); // Exit QEMU simulator

View file

@ -32,7 +32,7 @@ mod app {
// to indicate that this is a critical section
let _cs_token: bare_metal::CriticalSection = cx.cs;
hprintln!("init").unwrap();
hprintln!("init");
debug::exit(debug::EXIT_SUCCESS); // Exit QEMU simulator

View file

@ -45,7 +45,7 @@ mod app {
let local_to_idle = cx.local.local_to_idle;
*local_to_idle += 1;
hprintln!("idle: local_to_idle = {}", local_to_idle).unwrap();
hprintln!("idle: local_to_idle = {}", local_to_idle);
debug::exit(debug::EXIT_SUCCESS); // Exit QEMU simulator
@ -69,7 +69,7 @@ mod app {
// error: no `local_to_bar` field in `foo::LocalResources`
// cx.local.local_to_bar += 1;
hprintln!("foo: local_to_foo = {}", local_to_foo).unwrap();
hprintln!("foo: local_to_foo = {}", local_to_foo);
}
// `local_to_bar` can only be accessed from this context
@ -81,6 +81,6 @@ mod app {
// error: no `local_to_foo` field in `bar::LocalResources`
// cx.local.local_to_foo += 1;
hprintln!("bar: local_to_bar = {}", local_to_bar).unwrap();
hprintln!("bar: local_to_bar = {}", local_to_bar);
}
}

View file

@ -30,7 +30,7 @@ mod app {
// when omitted priority is assumed to be `1`
#[task(shared = [shared])]
async fn foo(mut c: foo::Context) {
hprintln!("A").unwrap();
hprintln!("A");
// the lower priority task requires a critical section to access the data
c.shared.shared.lock(|shared| {
@ -40,7 +40,7 @@ mod app {
// bar will *not* run right now due to the critical section
bar::spawn().unwrap();
hprintln!("B - shared = {}", *shared).unwrap();
hprintln!("B - shared = {}", *shared);
// baz does not contend for `shared` so it's allowed to run now
baz::spawn().unwrap();
@ -48,7 +48,7 @@ mod app {
// critical section is over: bar can now start
hprintln!("E").unwrap();
hprintln!("E");
debug::exit(debug::EXIT_SUCCESS); // Exit QEMU simulator
}
@ -62,11 +62,11 @@ mod app {
*shared
});
hprintln!("D - shared = {}", shared).unwrap();
hprintln!("D - shared = {}", shared);
}
#[task(priority = 3)]
async fn baz(_: baz::Context) {
hprintln!("C").unwrap();
hprintln!("C");
}
}

View file

@ -48,7 +48,7 @@ mod app {
*s2 += 1;
*s3 += 1;
hprintln!("Multiple locks, s1: {}, s2: {}, s3: {}", *s1, *s2, *s3).unwrap();
hprintln!("Multiple locks, s1: {}, s2: {}, s3: {}", *s1, *s2, *s3);
});
debug::exit(debug::EXIT_SUCCESS); // Exit QEMU simulator

View file

@ -32,7 +32,7 @@ mod app {
#[init]
fn init(_: init::Context) -> (Shared, Local) {
hprintln!("init").unwrap();
hprintln!("init");
foo::spawn().unwrap();
bar::spawn().unwrap();
@ -56,12 +56,12 @@ mod app {
#[task(shared = [&shared])]
async fn foo(c: foo::Context) {
let shared: &NotSync = c.shared.shared;
hprintln!("foo a {}", shared.data).unwrap();
hprintln!("foo a {}", shared.data);
}
#[task(shared = [&shared])]
async fn bar(c: bar::Context) {
let shared: &NotSync = c.shared.shared;
hprintln!("foo a {}", shared.data).unwrap();
hprintln!("foo a {}", shared.data);
}
}

View file

@ -31,13 +31,13 @@ mod app {
#[task(shared = [&key])]
async fn foo(cx: foo::Context) {
let key: &u32 = cx.shared.key;
hprintln!("foo(key = {:#x})", key).unwrap();
hprintln!("foo(key = {:#x})", key);
debug::exit(debug::EXIT_SUCCESS); // Exit QEMU simulator
}
#[task(priority = 2, shared = [&key])]
async fn bar(cx: bar::Context) {
hprintln!("bar(key = {:#x})", cx.shared.key).unwrap();
hprintln!("bar(key = {:#x})", cx.shared.key);
}
}

View file

@ -26,21 +26,21 @@ mod app {
#[task(priority = 1)]
async fn foo(_: foo::Context) {
hprintln!("foo - start").unwrap();
hprintln!("foo - start");
baz::spawn().unwrap();
hprintln!("foo - end").unwrap();
hprintln!("foo - end");
debug::exit(debug::EXIT_SUCCESS); // Exit QEMU simulator
}
#[task(priority = 2)]
async fn bar(_: bar::Context) {
hprintln!(" bar").unwrap();
hprintln!(" bar");
}
#[task(priority = 2)]
async fn baz(_: baz::Context) {
hprintln!(" baz - start").unwrap();
hprintln!(" baz - start");
bar::spawn().unwrap();
hprintln!(" baz - end").unwrap();
hprintln!(" baz - end");
}
}

View file

@ -33,7 +33,7 @@ mod app {
#[inline(never)]
#[task]
async fn foo(_: foo::Context) {
hprintln!("foo").unwrap();
hprintln!("foo");
debug::exit(debug::EXIT_SUCCESS); // Exit QEMU simulator
}

View file

@ -55,7 +55,7 @@ mod app {
*shared
});
hprintln!("UART0: shared = {}", shared).unwrap();
hprintln!("UART0: shared = {}", shared);
}
// `shared` can be accessed from this context
@ -66,6 +66,6 @@ mod app {
*shared
});
hprintln!("UART1: shared = {}", shared).unwrap();
hprintln!("UART1: shared = {}", shared);
}
}

View file

@ -34,7 +34,7 @@ mod app {
fn idle(mut c: idle::Context) -> ! {
loop {
if let Some(byte) = c.shared.c.lock(|c| c.dequeue()) {
hprintln!("received message: {}", byte).unwrap();
hprintln!("received message: {}", byte);
debug::exit(debug::EXIT_SUCCESS); // Exit QEMU simulator
} else {

View file

@ -20,7 +20,7 @@ mod app {
#[init]
fn init(_: init::Context) -> (Shared, Local) {
hprintln!("init").unwrap();
hprintln!("init");
foo::spawn().unwrap();
(Shared {}, Local {})
@ -28,7 +28,7 @@ mod app {
#[task]
async fn foo(_: foo::Context) {
hprintln!("foo").unwrap();
hprintln!("foo");
debug::exit(debug::EXIT_SUCCESS); // Exit QEMU simulator
}

View file

@ -38,7 +38,7 @@ mod app {
loop {
// Lock-free access to the same underlying queue!
if let Some(data) = c.local.c.dequeue() {
hprintln!("received message: {}", data).unwrap();
hprintln!("received message: {}", data);
// Run foo until data
if data == 3 {

View file

@ -27,31 +27,31 @@ mod app {
#[task]
async fn foo(_: foo::Context) {
hprintln!("foo - start").unwrap();
hprintln!("foo - start");
// spawns `bar` onto the task scheduler
// `foo` and `bar` have the same priority so `bar` will not run until
// after `foo` terminates
bar::spawn().unwrap();
hprintln!("foo - middle").unwrap();
hprintln!("foo - middle");
// spawns `baz` onto the task scheduler
// `baz` has higher priority than `foo` so it immediately preempts `foo`
baz::spawn().unwrap();
hprintln!("foo - end").unwrap();
hprintln!("foo - end");
}
#[task]
async fn bar(_: bar::Context) {
hprintln!("bar").unwrap();
hprintln!("bar");
debug::exit(debug::EXIT_SUCCESS); // Exit QEMU simulator
}
#[task(priority = 2)]
async fn baz(_: baz::Context) {
hprintln!("baz").unwrap();
hprintln!("baz");
}
}