Tock V2 port - rebased and updated (#620)

* Changes from #580

* fixes USB cancel panic

* style fixes

* Update src/env/tock/storage.rs

Co-authored-by: Zach Halvorsen <zhalvorsen@google.com>

---------

Co-authored-by: Zach Halvorsen <zhalvorsen@google.com>

bootloader/Cargo.lock

@@ -232,9 +232,9 @@ dependencies = [
 
 [[package]]
 name = "tock-registers"
-version = "0.6.0"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f521a79accce68c417c9c77ce22108056b626126da1932f7e2e9b5bbffee0cea"
+checksum = "4ee8fba06c1f4d0b396ef61a54530bb6b28f0dc61c38bc8bc5a5a48161e6282e"
 
 [[package]]
 name = "typenum"

bootloader/Cargo.toml

@@ -15,7 +15,7 @@ cortex-m-rt = "*"
 cortex-m-rt-macros = "*"
 panic-abort = "0.3.2"
 rtt-target = { version = "*", features = ["cortex-m"] }
-tock-registers = { version = "0.6.0", features = ["no_std_unit_tests"] }
+tock-registers = "0.7.0"
 
 [profile.dev]
 panic = "abort"

bootloader/rust-toolchain

@@ -1,4 +1,4 @@
 [toolchain]
-channel = "nightly-2021-03-25"
+channel = "nightly-2023-02-01"
 components = ["clippy", "rustfmt"]
 targets = ["thumbv7em-none-eabi"]

bootloader/src/crypto_cell.rs

@@ -26,6 +26,7 @@ use super::static_ref::StaticRef;
 use core::cell::Cell;
 #[cfg(debug_assertions)]
 use rtt_target::rprintln;
+use tock_registers::interfaces::{Readable, Writeable};
 
 const SHA256_INIT_VALUE: [u32; 8] = [
     0x6A09E667, 0xBB67AE85, 0x3C6EF372, 0xA54FF53A, 0x510E527F, 0x9B05688C, 0x1F83D9AB, 0x5BE0CD19,

bootloader/src/static_ref.rs

@@ -40,7 +40,7 @@ impl<T> Copy for StaticRef<T> {}
 
 impl<T> Deref for StaticRef<T> {
     type Target = T;
-    fn deref(&self) -> &'static T {
+    fn deref(&self) -> &T {
         unsafe { &*self.ptr }
     }
 }