srenblad/artiq
1
0
Fork 0
forked from M-Labs/artiq
Code Pull Requests Activity

Rust: style (NFC).

Browse Source
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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

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

@ -1,5 +1,5 @@
use core::ptr; use core::ptr;
use board::csr::kernel_cpu; use board::csr;
use mailbox; use mailbox;
const KERNELCPU_EXEC_ADDRESS: usize = 0x42000000; const KERNELCPU_EXEC_ADDRESS: usize = 0x42000000;
@ -8,7 +8,7 @@ const KERNELCPU_LAST_ADDRESS: usize = (0x4fffffff - 1024*1024);
const KSUPPORT_HEADER_SIZE: usize = 0x80; const KSUPPORT_HEADER_SIZE: usize = 0x80;
pub unsafe fn start() { 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") 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, (KERNELCPU_EXEC_ADDRESS - KSUPPORT_HEADER_SIZE) as *mut u8,
ksupport_end - ksupport_start); ksupport_end - ksupport_start);
kernel_cpu::reset_write(0); csr::kernel_cpu::reset_write(0);
} }
pub fn stop() { pub fn stop() {
unsafe { kernel_cpu::reset_write(1) } unsafe { csr::kernel_cpu::reset_write(1) }
mailbox::acknowledge(); mailbox::acknowledge();
} }