zynq-rs/experiments/src/ps7_init/mod.rs

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use libboard_zynq::println;
mod zc706;
// mod cora_z7_10;
#[cfg(feature = "target_zc706")]
use zc706 as target;
#[cfg(feature = "target_cora_z7_10")]
use cora_z7_10 as target;
pub fn report_differences() {
for (i, op) in target::INIT_DATA.iter().enumerate() {
let address = op.address();
let overwritten_later = target::INIT_DATA[(i + 1)..].iter()
.any(|later_op| later_op.address() == address);
if !overwritten_later {
op.report_difference();
}
}
}
pub enum InitOp {
MaskWrite(usize, usize, usize),
MaskPoll(usize, usize),
}
impl InitOp {
fn address(&self) -> usize {
match self {
InitOp::MaskWrite(address, _, _) => *address,
InitOp::MaskPoll(address, _) => *address,
}
}
fn read(&self) -> usize {
unsafe { *(self.address() as *const usize) }
}
fn difference(&self) -> Option<(usize, usize)> {
let (mask, expected) = match self {
InitOp::MaskWrite(_, mask, expected) =>
(*mask, *expected),
InitOp::MaskPoll(_, mask) =>
(*mask, *mask),
};
let actual = self.read();
if actual & mask == expected {
None
} else {
Some((actual & mask, expected))
}
}
pub fn report_difference(&self) {
if let Some((actual, expected)) = self.difference() {
println!(
"Register {:08X} is {:08X}&={:08X} != {:08X} expected",
self.address(),
self.read(),
actual,
expected
);
}
}
}