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Rust: style (NFC).

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This commit is contained in:
whitequark 2016-10-01 07:56:34 +00:00
parent 999290fe52
commit ab3bd67412
2 changed files with 15 additions and 15 deletions
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22
artiq/runtime.rs/src/clock.rs
View File

@ -1,30 +1,30 @@
use board::csr::timer0;
use board::csr;
const INIT: u64 = ::core::i64::MAX as u64;
const FREQ: u64 = ::board::csr::CONFIG_CLOCK_FREQUENCY as u64;
pub fn init() {
unsafe {
timer0::en_write(0);
timer0::load_write(INIT);
timer0::reload_write(INIT);
timer0::en_write(1);
csr::timer0::en_write(0);
csr::timer0::load_write(INIT);
csr::timer0::reload_write(INIT);
csr::timer0::en_write(1);
}
}
pub fn get_ms() -> u64 {
unsafe {
timer0::update_value_write(1);
(INIT - timer0::value_read()) / (FREQ / 1_000)
csr::timer0::update_value_write(1);
(INIT - csr::timer0::value_read()) / (FREQ / 1_000)
}
}
pub fn spin_us(interval: u64) {
unsafe {
timer0::update_value_write(1);
let threshold = timer0::value_read() - interval * (FREQ / 1_000_000);
while timer0::value_read() > threshold {
timer0::update_value_write(1)
csr::timer0::update_value_write(1);
let threshold = csr::timer0::value_read() - interval * (FREQ / 1_000_000);
while csr::timer0::value_read() > threshold {
csr::timer0::update_value_write(1)
}
}
}

8
artiq/runtime.rs/src/kernel.rs
View File

@ -1,5 +1,5 @@
use core::ptr;
use board::csr::kernel_cpu;
use board::csr;
use mailbox;
const KERNELCPU_EXEC_ADDRESS: usize = 0x42000000;
@ -8,7 +8,7 @@ const KERNELCPU_LAST_ADDRESS: usize = (0x4fffffff - 1024*1024);
const KSUPPORT_HEADER_SIZE: usize = 0x80;
pub unsafe fn start() {
if kernel_cpu::reset_read() == 0 {
if csr::kernel_cpu::reset_read() == 0 {
panic!("attempted to start kernel CPU when it is already running")
}
@ -24,11 +24,11 @@ pub unsafe fn start() {
(KERNELCPU_EXEC_ADDRESS - KSUPPORT_HEADER_SIZE) as *mut u8,
ksupport_end - ksupport_start);
kernel_cpu::reset_write(0);
csr::kernel_cpu::reset_write(0);
}
pub fn stop() {
unsafe { kernel_cpu::reset_write(1) }
unsafe { csr::kernel_cpu::reset_write(1) }
mailbox::acknowledge();
}