commit renode changes

This commit is contained in:
bunnie 2021-06-29 00:51:52 +08:00
parent 0bad1ad755
commit c880eda822
2 changed files with 18 additions and 2 deletions

View file

@ -52,6 +52,8 @@ impl Scalar {
let mut x_u64 = [0u64; 5];
LittleEndian::read_u64_into(&self.bytes, &mut x_u64[0..4]);
log::info!("x_u64: {:x?}", x_u64);
let width = 1 << w;
let window_mask = width - 1;
@ -66,7 +68,14 @@ impl Scalar {
let bit_buf: u64;
if bit_idx < 64 - w {
// This window's bits are contained in a single u64
bit_buf = x_u64[u64_idx] >> bit_idx;
/*
let mut lower = x_u64[u64_idx] as u32;
let upper = (x_u64[u64_idx] >> 32) as u32;
lower >>= bit_idx;
lower |= upper << (32 - bit_idx);
bit_buf = ((upper >> bit_idx) as u64) << 32 | lower as u64;*/
bit_buf = x_u64[u64_idx] >> bit_idx; /////////////////////////////// <----------- culprit
log::info!("bit_buf: {:x}", bit_buf);
} else {
// Combine the current u64's bits with the bits from the next u64
bit_buf = (x_u64[u64_idx] >> bit_idx) | (x_u64[1+u64_idx] << (64 - bit_idx));
@ -85,9 +94,15 @@ impl Scalar {
}
if window < width/2 {
log::info!("carry 0 width {} naf[{}] = {}; c.{} bb.{:x} wm.{} idx64.{} idxbit.{} xu64[0].{:x}", width, pos, window,
carry, bit_buf, window_mask, u64_idx, bit_idx, x_u64[0],
);
carry = 0;
naf[pos] = window as i8;
} else {
log::info!("carry 1 width {} naf[{}] = {}/{}; c.{} bb.{:x} wm.{} idx64.{} idxbit.{} xu64[0].{:x}", width, pos, window, (window as i8).wrapping_sub(width as i8),
carry, bit_buf, window_mask, u64_idx, bit_idx, x_u64[0]
);
carry = 1;
naf[pos] = (window as i8).wrapping_sub(width as i8);
}
@ -99,6 +114,7 @@ impl Scalar {
}
}
// see https://godbolt.org/z/K8MK1v6f9 for the compiler explorer version of this
#[xous::xous_main]
fn xmain() -> ! {
log_server::init_wait().unwrap();

View file

@ -109,7 +109,7 @@ fn try_main() -> Result<(), DynError> {
let mut args = env::args();
let task = args.nth(1);
match task.as_deref() {
Some("renode-image") => renode_image(false, &hw_pkgs)?,
Some("renode-image") => renode_image(false, &minimal_pkgs)?,
Some("renode-test") => renode_image(false, &cbtest_pkgs)?,
Some("libstd-test") => renode_image_extra(false, &base_pkgs, args.collect())?,
Some("renode-aes-test") => renode_image(false, &aestest_pkgs)?,