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fixes to get it working in hosted mode

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This commit is contained in:
bunnie 2021-01-13 15:09:53 +08:00
parent 8a1991876f
commit 36cefdac3c
1 changed files with 6 additions and 6 deletions
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12
services/trng/src/main.rs
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@ -124,7 +124,7 @@ mod implementation {
}
}
fn move_lfsr(mut lfsr: u32) -> u32 {
fn move_lfsr(&self, mut lfsr: u32) -> u32 {
lfsr ^= lfsr >> 7;
lfsr ^= lfsr << 9;
lfsr ^= lfsr >> 13;
@ -133,12 +133,12 @@ mod implementation {
pub fn wait_full(&self) { }
pub fn get_trng(&mut self, count: usize) -> [u32; 2] {
pub fn get_trng(&mut self, _count: usize) -> [u32; 2] {
info!("TRNG: hosted mode TRNG is *not* random, it is an LFSR");
let ret: [u32; 2];
self.seed = move_lfsr(self.seed);
let mut ret: [u32; 2] = [0; 2];
self.seed = self.move_lfsr(self.seed);
ret[0] = self.seed;
self.seed = move_lfsr(self.seed);
self.seed = self.move_lfsr(self.seed);
ret[1] = self.seed;
ret
@ -155,7 +155,7 @@ fn xmain() -> ! {
let trng_sid = xous_names::register_name(xous::names::SERVER_NAME_TRNG).expect("TRNG: can't register server");
info!("TRNG: registered with NS -- {:?}", trng_sid);
let trng = Trng::new();
let mut trng = Trng::new();
info!("TRNG: ready to accept requests");
loop {