From ad5a96db4c1af9680936ee2ff1b8367f208e8004 Mon Sep 17 00:00:00 2001
From: Andre Richter <andre.o.richter@gmail.com>
Date: Sun, 10 Apr 2022 12:18:11 +0200
Subject: [PATCH] Bump compiler version

---
 03_hacky_hello_world/README.md                |  11 ++++++-----
 05_drivers_gpio_uart/README.md                |   7 +++----
 05_drivers_gpio_uart/src/main.rs              |   1 -
 06_uart_chainloader/README.md                 |   2 +-
 06_uart_chainloader/demo_payload_rpi3.img     | Bin 7112 -> 7968 bytes
 06_uart_chainloader/demo_payload_rpi4.img     | Bin 7000 -> 7872 bytes
 06_uart_chainloader/src/main.rs               |   1 -
 07_timestamps/README.md                       |   4 ++--
 07_timestamps/src/main.rs                     |   1 -
 08_hw_debug_JTAG/src/main.rs                  |   1 -
 09_privilege_level/README.md                  |   8 ++++----
 09_privilege_level/src/main.rs                |   1 -
 .../README.md                                 |  11 +++++------
 .../src/main.rs                               |   1 -
 11_exceptions_part1_groundwork/README.md      |   4 ++--
 11_exceptions_part1_groundwork/src/main.rs    |   1 -
 12_integrated_testing/README.md               |  12 +++++-------
 12_integrated_testing/src/lib.rs              |   1 -
 13_exceptions_part2_peripheral_IRQs/README.md |   8 +++-----
 .../src/exception/asynchronous.rs             |   2 +-
 .../src/lib.rs                                |   2 --
 14_virtual_mem_part2_mmio_remap/README.md     |  14 ++++++++------
 .../src/exception/asynchronous.rs             |   2 +-
 14_virtual_mem_part2_mmio_remap/src/lib.rs    |   2 --
 .../src/memory/mmu/types.rs                   |   4 +++-
 .../src/exception/asynchronous.rs             |   2 +-
 .../src/lib.rs                                |   2 --
 .../src/memory/mmu/types.rs                   |   4 +++-
 .../README.md                                 |   2 +-
 .../src/exception/asynchronous.rs             |   2 +-
 .../src/lib.rs                                |   2 --
 .../src/memory/mmu/types.rs                   |   4 +++-
 X1_JTAG_boot/jtag_boot_rpi3.img               | Bin 8104 -> 9000 bytes
 X1_JTAG_boot/jtag_boot_rpi4.img               | Bin 7032 -> 7920 bytes
 X1_JTAG_boot/src/main.rs                      |   1 -
 rust-toolchain.toml                           |   2 +-
 36 files changed, 54 insertions(+), 68 deletions(-)

diff --git a/03_hacky_hello_world/README.md b/03_hacky_hello_world/README.md
index 527757dd..b0cfee12 100644
--- a/03_hacky_hello_world/README.md
+++ b/03_hacky_hello_world/README.md
@@ -35,8 +35,8 @@ Stopping here.
 ```
 
 ## Diff to previous
-
 ```diff
+
 diff -uNr 02_runtime_init/Cargo.toml 03_hacky_hello_world/Cargo.toml
 --- 02_runtime_init/Cargo.toml
 +++ 03_hacky_hello_world/Cargo.toml
@@ -97,7 +97,7 @@ diff -uNr 02_runtime_init/Makefile 03_hacky_hello_world/Makefile
 @@ -169,3 +172,28 @@
  ##------------------------------------------------------------------------------
  check:
-     @RUSTFLAGS="$(RUSTFLAGS)" $(CHECK_CMD) --message-format=json
+ 	@RUSTFLAGS="$(RUSTFLAGS)" $(CHECK_CMD) --message-format=json
 +
 +
 +
@@ -109,7 +109,7 @@ diff -uNr 02_runtime_init/Makefile 03_hacky_hello_world/Makefile
 +ifeq ($(QEMU_MACHINE_TYPE),) # QEMU is not supported for the board.
 +
 +test_boot test :
-+    $(call colorecho, "\n$(QEMU_MISSING_STRING)")
++	$(call colorecho, "\n$(QEMU_MISSING_STRING)")
 +
 +else # QEMU is supported.
 +
@@ -117,8 +117,8 @@ diff -uNr 02_runtime_init/Makefile 03_hacky_hello_world/Makefile
 +## Run boot test
 +##------------------------------------------------------------------------------
 +test_boot: $(KERNEL_BIN)
-+    $(call colorecho, "\nBoot test - $(BSP)")
-+    @$(DOCKER_TEST) $(EXEC_TEST_DISPATCH) $(EXEC_QEMU) $(QEMU_RELEASE_ARGS) -kernel $(KERNEL_BIN)
++	$(call colorecho, "\nBoot test - $(BSP)")
++	@$(DOCKER_TEST) $(EXEC_TEST_DISPATCH) $(EXEC_QEMU) $(QEMU_RELEASE_ARGS) -kernel $(KERNEL_BIN)
 +
 +test: test_boot
 +
@@ -358,4 +358,5 @@ diff -uNr 02_runtime_init/tests/boot_test_string.rb 03_hacky_hello_world/tests/b
 +# frozen_string_literal: true
 +
 +EXPECTED_PRINT = 'Stopping here'
+
 ```
diff --git a/05_drivers_gpio_uart/README.md b/05_drivers_gpio_uart/README.md
index aa39cbaa..d49adf28 100644
--- a/05_drivers_gpio_uart/README.md
+++ b/05_drivers_gpio_uart/README.md
@@ -1333,16 +1333,15 @@ diff -uNr 04_safe_globals/src/driver.rs 05_drivers_gpio_uart/src/driver.rs
 diff -uNr 04_safe_globals/src/main.rs 05_drivers_gpio_uart/src/main.rs
 --- 04_safe_globals/src/main.rs
 +++ 05_drivers_gpio_uart/src/main.rs
-@@ -104,6 +104,8 @@
+@@ -104,6 +104,7 @@
  //!     - It is implemented in `src/_arch/__arch_name__/cpu/boot.s`.
  //! 2. Once finished with architectural setup, the arch code calls `kernel_init()`.
 
 +#![allow(clippy::upper_case_acronyms)]
-+#![feature(const_fn_fn_ptr_basics)]
  #![feature(format_args_nl)]
  #![feature(panic_info_message)]
  #![feature(trait_alias)]
-@@ -113,6 +115,7 @@
+@@ -113,6 +114,7 @@
  mod bsp;
  mod console;
  mod cpu;
@@ -1350,7 +1349,7 @@ diff -uNr 04_safe_globals/src/main.rs 05_drivers_gpio_uart/src/main.rs
  mod panic_wait;
  mod print;
  mod synchronization;
-@@ -122,16 +125,54 @@
+@@ -122,16 +124,54 @@
  /// # Safety
  ///
  /// - Only a single core must be active and running this function.
diff --git a/05_drivers_gpio_uart/src/main.rs b/05_drivers_gpio_uart/src/main.rs
index 55e80f56..70e6b116 100644
--- a/05_drivers_gpio_uart/src/main.rs
+++ b/05_drivers_gpio_uart/src/main.rs
@@ -105,7 +105,6 @@
 //! 2. Once finished with architectural setup, the arch code calls `kernel_init()`.
 
 #![allow(clippy::upper_case_acronyms)]
-#![feature(const_fn_fn_ptr_basics)]
 #![feature(format_args_nl)]
 #![feature(panic_info_message)]
 #![feature(trait_alias)]
diff --git a/06_uart_chainloader/README.md b/06_uart_chainloader/README.md
index b904d9d8..6f786dd8 100644
--- a/06_uart_chainloader/README.md
+++ b/06_uart_chainloader/README.md
@@ -457,7 +457,7 @@ diff -uNr 05_drivers_gpio_uart/src/bsp/raspberrypi/memory.rs 06_uart_chainloader
 diff -uNr 05_drivers_gpio_uart/src/main.rs 06_uart_chainloader/src/main.rs
 --- 05_drivers_gpio_uart/src/main.rs
 +++ 06_uart_chainloader/src/main.rs
-@@ -141,38 +141,56 @@
+@@ -140,38 +140,56 @@
      kernel_main()
  }
 
diff --git a/06_uart_chainloader/demo_payload_rpi3.img b/06_uart_chainloader/demo_payload_rpi3.img
index 1997951a5d4b8429956ff250ab5928d11b3d272f..1491d9b590d392fb5d5998c3037ed74fc8579c89 100755
GIT binary patch
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diff --git a/06_uart_chainloader/demo_payload_rpi4.img b/06_uart_chainloader/demo_payload_rpi4.img
index 9f463d32d7dd4c60080c8b92f3b298fa1d8f9d4c..9f7de6dfbb4dc9afc2d188340fb8a6de00dd6812 100755
GIT binary patch
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diff --git a/06_uart_chainloader/src/main.rs b/06_uart_chainloader/src/main.rs
index e44a1ae6..32a56bda 100644
--- a/06_uart_chainloader/src/main.rs
+++ b/06_uart_chainloader/src/main.rs
@@ -105,7 +105,6 @@
 //! 2. Once finished with architectural setup, the arch code calls `kernel_init()`.
 
 #![allow(clippy::upper_case_acronyms)]
-#![feature(const_fn_fn_ptr_basics)]
 #![feature(format_args_nl)]
 #![feature(panic_info_message)]
 #![feature(trait_alias)]
diff --git a/07_timestamps/README.md b/07_timestamps/README.md
index 0af0b046..e6796930 100644
--- a/07_timestamps/README.md
+++ b/07_timestamps/README.md
@@ -538,7 +538,7 @@ diff -uNr 06_uart_chainloader/src/cpu.rs 07_timestamps/src/cpu.rs
 diff -uNr 06_uart_chainloader/src/main.rs 07_timestamps/src/main.rs
 --- 06_uart_chainloader/src/main.rs
 +++ 07_timestamps/src/main.rs
-@@ -119,6 +119,7 @@
+@@ -118,6 +118,7 @@
  mod panic_wait;
  mod print;
  mod synchronization;
@@ -546,7 +546,7 @@ diff -uNr 06_uart_chainloader/src/main.rs 07_timestamps/src/main.rs
 
  /// Early init code.
  ///
-@@ -141,56 +142,38 @@
+@@ -140,56 +141,38 @@
      kernel_main()
  }
 
diff --git a/07_timestamps/src/main.rs b/07_timestamps/src/main.rs
index e5d1d81e..3d4ace4f 100644
--- a/07_timestamps/src/main.rs
+++ b/07_timestamps/src/main.rs
@@ -105,7 +105,6 @@
 //! 2. Once finished with architectural setup, the arch code calls `kernel_init()`.
 
 #![allow(clippy::upper_case_acronyms)]
-#![feature(const_fn_fn_ptr_basics)]
 #![feature(format_args_nl)]
 #![feature(panic_info_message)]
 #![feature(trait_alias)]
diff --git a/08_hw_debug_JTAG/src/main.rs b/08_hw_debug_JTAG/src/main.rs
index e5d1d81e..3d4ace4f 100644
--- a/08_hw_debug_JTAG/src/main.rs
+++ b/08_hw_debug_JTAG/src/main.rs
@@ -105,7 +105,6 @@
 //! 2. Once finished with architectural setup, the arch code calls `kernel_init()`.
 
 #![allow(clippy::upper_case_acronyms)]
-#![feature(const_fn_fn_ptr_basics)]
 #![feature(format_args_nl)]
 #![feature(panic_info_message)]
 #![feature(trait_alias)]
diff --git a/09_privilege_level/README.md b/09_privilege_level/README.md
index b9843495..729634ac 100644
--- a/09_privilege_level/README.md
+++ b/09_privilege_level/README.md
@@ -502,7 +502,7 @@ diff -uNr 08_hw_debug_JTAG/src/exception.rs 09_privilege_level/src/exception.rs
 diff -uNr 08_hw_debug_JTAG/src/main.rs 09_privilege_level/src/main.rs
 --- 08_hw_debug_JTAG/src/main.rs
 +++ 09_privilege_level/src/main.rs
-@@ -116,6 +116,7 @@
+@@ -115,6 +115,7 @@
  mod console;
  mod cpu;
  mod driver;
@@ -510,7 +510,7 @@ diff -uNr 08_hw_debug_JTAG/src/main.rs 09_privilege_level/src/main.rs
  mod panic_wait;
  mod print;
  mod synchronization;
-@@ -144,6 +145,8 @@
+@@ -143,6 +144,8 @@
 
  /// The main function running after the early init.
  fn kernel_main() -> ! {
@@ -519,7 +519,7 @@ diff -uNr 08_hw_debug_JTAG/src/main.rs 09_privilege_level/src/main.rs
      use core::time::Duration;
      use driver::interface::DriverManager;
      use time::interface::TimeManager;
-@@ -155,6 +158,12 @@
+@@ -154,6 +157,12 @@
      );
      info!("Booting on: {}", bsp::board_name());
 
@@ -532,7 +532,7 @@ diff -uNr 08_hw_debug_JTAG/src/main.rs 09_privilege_level/src/main.rs
      info!(
          "Architectural timer resolution: {} ns",
          time::time_manager().resolution().as_nanos()
-@@ -169,11 +178,15 @@
+@@ -168,11 +177,15 @@
          info!("      {}. {}", i + 1, driver.compatible());
      }
 
diff --git a/09_privilege_level/src/main.rs b/09_privilege_level/src/main.rs
index c3bca5c3..b4449734 100644
--- a/09_privilege_level/src/main.rs
+++ b/09_privilege_level/src/main.rs
@@ -105,7 +105,6 @@
 //! 2. Once finished with architectural setup, the arch code calls `kernel_init()`.
 
 #![allow(clippy::upper_case_acronyms)]
-#![feature(const_fn_fn_ptr_basics)]
 #![feature(format_args_nl)]
 #![feature(panic_info_message)]
 #![feature(trait_alias)]
diff --git a/10_virtual_mem_part1_identity_mapping/README.md b/10_virtual_mem_part1_identity_mapping/README.md
index f553e0e0..1bf427c0 100644
--- a/10_virtual_mem_part1_identity_mapping/README.md
+++ b/10_virtual_mem_part1_identity_mapping/README.md
@@ -1081,17 +1081,16 @@ diff -uNr 09_privilege_level/src/bsp.rs 10_virtual_mem_part1_identity_mapping/sr
 diff -uNr 09_privilege_level/src/main.rs 10_virtual_mem_part1_identity_mapping/src/main.rs
 --- 09_privilege_level/src/main.rs
 +++ 10_virtual_mem_part1_identity_mapping/src/main.rs
-@@ -105,7 +105,9 @@
+@@ -105,6 +105,8 @@
  //! 2. Once finished with architectural setup, the arch code calls `kernel_init()`.
 
  #![allow(clippy::upper_case_acronyms)]
 +#![allow(incomplete_features)]
- #![feature(const_fn_fn_ptr_basics)]
 +#![feature(core_intrinsics)]
  #![feature(format_args_nl)]
  #![feature(panic_info_message)]
  #![feature(trait_alias)]
-@@ -117,6 +119,7 @@
+@@ -116,6 +118,7 @@
  mod cpu;
  mod driver;
  mod exception;
@@ -1099,7 +1098,7 @@ diff -uNr 09_privilege_level/src/main.rs 10_virtual_mem_part1_identity_mapping/s
  mod panic_wait;
  mod print;
  mod synchronization;
-@@ -127,9 +130,17 @@
+@@ -126,9 +129,17 @@
  /// # Safety
  ///
  /// - Only a single core must be active and running this function.
@@ -1118,7 +1117,7 @@ diff -uNr 09_privilege_level/src/main.rs 10_virtual_mem_part1_identity_mapping/s
 
      for i in bsp::driver::driver_manager().all_device_drivers().iter() {
          if let Err(x) = i.init() {
-@@ -158,6 +169,9 @@
+@@ -157,6 +168,9 @@
      );
      info!("Booting on: {}", bsp::board_name());
 
@@ -1128,7 +1127,7 @@ diff -uNr 09_privilege_level/src/main.rs 10_virtual_mem_part1_identity_mapping/s
      let (_, privilege_level) = exception::current_privilege_level();
      info!("Current privilege level: {}", privilege_level);
 
-@@ -181,6 +195,13 @@
+@@ -180,6 +194,13 @@
      info!("Timer test, spinning for 1 second");
      time::time_manager().spin_for(Duration::from_secs(1));
 
diff --git a/10_virtual_mem_part1_identity_mapping/src/main.rs b/10_virtual_mem_part1_identity_mapping/src/main.rs
index 5b5cb473..faa81ee8 100644
--- a/10_virtual_mem_part1_identity_mapping/src/main.rs
+++ b/10_virtual_mem_part1_identity_mapping/src/main.rs
@@ -106,7 +106,6 @@
 
 #![allow(clippy::upper_case_acronyms)]
 #![allow(incomplete_features)]
-#![feature(const_fn_fn_ptr_basics)]
 #![feature(core_intrinsics)]
 #![feature(format_args_nl)]
 #![feature(panic_info_message)]
diff --git a/11_exceptions_part1_groundwork/README.md b/11_exceptions_part1_groundwork/README.md
index 4df5c939..2f90b7ff 100644
--- a/11_exceptions_part1_groundwork/README.md
+++ b/11_exceptions_part1_groundwork/README.md
@@ -1016,7 +1016,7 @@ diff -uNr 10_virtual_mem_part1_identity_mapping/src/exception.rs 11_exceptions_p
 diff -uNr 10_virtual_mem_part1_identity_mapping/src/main.rs 11_exceptions_part1_groundwork/src/main.rs
 --- 10_virtual_mem_part1_identity_mapping/src/main.rs
 +++ 11_exceptions_part1_groundwork/src/main.rs
-@@ -138,6 +138,8 @@
+@@ -137,6 +137,8 @@
      use driver::interface::DriverManager;
      use memory::mmu::interface::MMU;
 
@@ -1025,7 +1025,7 @@ diff -uNr 10_virtual_mem_part1_identity_mapping/src/main.rs 11_exceptions_part1_
      if let Err(string) = memory::mmu::mmu().enable_mmu_and_caching() {
          panic!("MMU: {}", string);
      }
-@@ -195,13 +197,28 @@
+@@ -194,13 +196,28 @@
      info!("Timer test, spinning for 1 second");
      time::time_manager().spin_for(Duration::from_secs(1));
 
diff --git a/11_exceptions_part1_groundwork/src/main.rs b/11_exceptions_part1_groundwork/src/main.rs
index 22912318..77ffd9cd 100644
--- a/11_exceptions_part1_groundwork/src/main.rs
+++ b/11_exceptions_part1_groundwork/src/main.rs
@@ -106,7 +106,6 @@
 
 #![allow(clippy::upper_case_acronyms)]
 #![allow(incomplete_features)]
-#![feature(const_fn_fn_ptr_basics)]
 #![feature(core_intrinsics)]
 #![feature(format_args_nl)]
 #![feature(panic_info_message)]
diff --git a/12_integrated_testing/README.md b/12_integrated_testing/README.md
index 8a20a0d5..fddd4be5 100644
--- a/12_integrated_testing/README.md
+++ b/12_integrated_testing/README.md
@@ -1325,7 +1325,7 @@ diff -uNr 11_exceptions_part1_groundwork/src/exception.rs 12_integrated_testing/
 diff -uNr 11_exceptions_part1_groundwork/src/lib.rs 12_integrated_testing/src/lib.rs
 --- 11_exceptions_part1_groundwork/src/lib.rs
 +++ 12_integrated_testing/src/lib.rs
-@@ -0,0 +1,184 @@
+@@ -0,0 +1,183 @@
 +// SPDX-License-Identifier: MIT OR Apache-2.0
 +//
 +// Copyright (c) 2018-2022 Andre Richter <andre.o.richter@gmail.com>
@@ -1436,7 +1436,6 @@ diff -uNr 11_exceptions_part1_groundwork/src/lib.rs 12_integrated_testing/src/li
 +
 +#![allow(clippy::upper_case_acronyms)]
 +#![allow(incomplete_features)]
-+#![feature(const_fn_fn_ptr_basics)]
 +#![feature(core_intrinsics)]
 +#![feature(format_args_nl)]
 +#![feature(linkage)]
@@ -1514,7 +1513,7 @@ diff -uNr 11_exceptions_part1_groundwork/src/lib.rs 12_integrated_testing/src/li
 diff -uNr 11_exceptions_part1_groundwork/src/main.rs 12_integrated_testing/src/main.rs
 --- 11_exceptions_part1_groundwork/src/main.rs
 +++ 12_integrated_testing/src/main.rs
-@@ -6,124 +6,12 @@
+@@ -6,123 +6,12 @@
  #![doc(html_logo_url = "https://git.io/JeGIp")]
 
  //! The `kernel` binary.
@@ -1618,7 +1617,6 @@ diff -uNr 11_exceptions_part1_groundwork/src/main.rs 12_integrated_testing/src/m
 -
 -#![allow(clippy::upper_case_acronyms)]
 -#![allow(incomplete_features)]
--#![feature(const_fn_fn_ptr_basics)]
 -#![feature(core_intrinsics)]
 +
  #![feature(format_args_nl)]
@@ -1641,7 +1639,7 @@ diff -uNr 11_exceptions_part1_groundwork/src/main.rs 12_integrated_testing/src/m
 
  /// Early init code.
  ///
-@@ -134,6 +22,7 @@
+@@ -133,6 +22,7 @@
  ///     - MMU + Data caching must be activated at the earliest. Without it, any atomic operations,
  ///       e.g. the yet-to-be-introduced spinlocks in the device drivers (which currently employ
  ///       NullLocks instead of spinlocks), will fail to work (properly) on the RPi SoCs.
@@ -1649,7 +1647,7 @@ diff -uNr 11_exceptions_part1_groundwork/src/main.rs 12_integrated_testing/src/m
  unsafe fn kernel_init() -> ! {
      use driver::interface::DriverManager;
      use memory::mmu::interface::MMU;
-@@ -160,15 +49,9 @@
+@@ -159,15 +49,9 @@
  fn kernel_main() -> ! {
      use bsp::console::console;
      use console::interface::All;
@@ -1666,7 +1664,7 @@ diff -uNr 11_exceptions_part1_groundwork/src/main.rs 12_integrated_testing/src/m
      info!("Booting on: {}", bsp::board_name());
 
      info!("MMU online. Special regions:");
-@@ -194,31 +77,6 @@
+@@ -193,31 +77,6 @@
          info!("      {}. {}", i + 1, driver.compatible());
      }
 
diff --git a/12_integrated_testing/src/lib.rs b/12_integrated_testing/src/lib.rs
index 036e8e5d..51f10d7c 100644
--- a/12_integrated_testing/src/lib.rs
+++ b/12_integrated_testing/src/lib.rs
@@ -108,7 +108,6 @@
 
 #![allow(clippy::upper_case_acronyms)]
 #![allow(incomplete_features)]
-#![feature(const_fn_fn_ptr_basics)]
 #![feature(core_intrinsics)]
 #![feature(format_args_nl)]
 #![feature(linkage)]
diff --git a/13_exceptions_part2_peripheral_IRQs/README.md b/13_exceptions_part2_peripheral_IRQs/README.md
index d89093df..4224d8b9 100644
--- a/13_exceptions_part2_peripheral_IRQs/README.md
+++ b/13_exceptions_part2_peripheral_IRQs/README.md
@@ -2376,7 +2376,7 @@ diff -uNr 12_integrated_testing/src/exception/asynchronous.rs 13_exceptions_part
 +    pub const fn new(number: usize) -> Self {
 +        assert!(number <= MAX_INCLUSIVE);
 +
-+        Self { 0: number }
++        Self(number)
 +    }
 +
 +    /// Return the wrapped number.
@@ -2411,17 +2411,15 @@ diff -uNr 12_integrated_testing/src/exception/asynchronous.rs 13_exceptions_part
 diff -uNr 12_integrated_testing/src/lib.rs 13_exceptions_part2_peripheral_IRQs/src/lib.rs
 --- 12_integrated_testing/src/lib.rs
 +++ 13_exceptions_part2_peripheral_IRQs/src/lib.rs
-@@ -108,7 +108,9 @@
+@@ -108,6 +108,7 @@
 
  #![allow(clippy::upper_case_acronyms)]
  #![allow(incomplete_features)]
 +#![feature(asm_const)]
- #![feature(const_fn_fn_ptr_basics)]
-+#![feature(const_fn_trait_bound)]
  #![feature(core_intrinsics)]
  #![feature(format_args_nl)]
  #![feature(linkage)]
-@@ -131,6 +133,7 @@
+@@ -130,6 +131,7 @@
  pub mod exception;
  pub mod memory;
  pub mod print;
diff --git a/13_exceptions_part2_peripheral_IRQs/src/exception/asynchronous.rs b/13_exceptions_part2_peripheral_IRQs/src/exception/asynchronous.rs
index 0e2835b2..fb1785c2 100644
--- a/13_exceptions_part2_peripheral_IRQs/src/exception/asynchronous.rs
+++ b/13_exceptions_part2_peripheral_IRQs/src/exception/asynchronous.rs
@@ -119,7 +119,7 @@ impl<const MAX_INCLUSIVE: usize> IRQNumber<{ MAX_INCLUSIVE }> {
     pub const fn new(number: usize) -> Self {
         assert!(number <= MAX_INCLUSIVE);
 
-        Self { 0: number }
+        Self(number)
     }
 
     /// Return the wrapped number.
diff --git a/13_exceptions_part2_peripheral_IRQs/src/lib.rs b/13_exceptions_part2_peripheral_IRQs/src/lib.rs
index 235aca13..6133f01a 100644
--- a/13_exceptions_part2_peripheral_IRQs/src/lib.rs
+++ b/13_exceptions_part2_peripheral_IRQs/src/lib.rs
@@ -109,8 +109,6 @@
 #![allow(clippy::upper_case_acronyms)]
 #![allow(incomplete_features)]
 #![feature(asm_const)]
-#![feature(const_fn_fn_ptr_basics)]
-#![feature(const_fn_trait_bound)]
 #![feature(core_intrinsics)]
 #![feature(format_args_nl)]
 #![feature(linkage)]
diff --git a/14_virtual_mem_part2_mmio_remap/README.md b/14_virtual_mem_part2_mmio_remap/README.md
index ccec183c..07a82cda 100644
--- a/14_virtual_mem_part2_mmio_remap/README.md
+++ b/14_virtual_mem_part2_mmio_remap/README.md
@@ -2135,8 +2135,8 @@ diff -uNr 13_exceptions_part2_peripheral_IRQs/src/driver.rs 14_virtual_mem_part2
 diff -uNr 13_exceptions_part2_peripheral_IRQs/src/lib.rs 14_virtual_mem_part2_mmio_remap/src/lib.rs
 --- 13_exceptions_part2_peripheral_IRQs/src/lib.rs
 +++ 14_virtual_mem_part2_mmio_remap/src/lib.rs
-@@ -113,8 +113,10 @@
- #![feature(const_fn_trait_bound)]
+@@ -111,8 +111,10 @@
+ #![feature(asm_const)]
  #![feature(core_intrinsics)]
  #![feature(format_args_nl)]
 +#![feature(generic_const_exprs)]
@@ -2146,7 +2146,7 @@ diff -uNr 13_exceptions_part2_peripheral_IRQs/src/lib.rs 14_virtual_mem_part2_mm
  #![feature(trait_alias)]
  #![no_std]
  // Testing
-@@ -127,6 +129,7 @@
+@@ -125,6 +127,7 @@
  mod synchronization;
 
  pub mod bsp;
@@ -2154,7 +2154,7 @@ diff -uNr 13_exceptions_part2_peripheral_IRQs/src/lib.rs 14_virtual_mem_part2_mm
  pub mod console;
  pub mod cpu;
  pub mod driver;
-@@ -179,6 +182,7 @@
+@@ -177,6 +180,7 @@
  #[no_mangle]
  unsafe fn kernel_init() -> ! {
      exception::handling_init();
@@ -2639,7 +2639,7 @@ diff -uNr 13_exceptions_part2_peripheral_IRQs/src/memory/mmu/translation_table.r
 diff -uNr 13_exceptions_part2_peripheral_IRQs/src/memory/mmu/types.rs 14_virtual_mem_part2_mmio_remap/src/memory/mmu/types.rs
 --- 13_exceptions_part2_peripheral_IRQs/src/memory/mmu/types.rs
 +++ 14_virtual_mem_part2_mmio_remap/src/memory/mmu/types.rs
-@@ -0,0 +1,373 @@
+@@ -0,0 +1,375 @@
 +// SPDX-License-Identifier: MIT OR Apache-2.0
 +//
 +// Copyright (c) 2020-2022 Andre Richter <andre.o.richter@gmail.com>
@@ -2723,7 +2723,9 @@ diff -uNr 13_exceptions_part2_peripheral_IRQs/src/memory/mmu/types.rs 14_virtual
 +            return Some(self);
 +        }
 +
-+        let delta = (count.abs() as usize).checked_mul(bsp::memory::mmu::KernelGranule::SIZE)?;
++        let delta = count
++            .unsigned_abs()
++            .checked_mul(bsp::memory::mmu::KernelGranule::SIZE)?;
 +        let result = if count.is_positive() {
 +            self.inner.as_usize().checked_add(delta)?
 +        } else {
diff --git a/14_virtual_mem_part2_mmio_remap/src/exception/asynchronous.rs b/14_virtual_mem_part2_mmio_remap/src/exception/asynchronous.rs
index 0e2835b2..fb1785c2 100644
--- a/14_virtual_mem_part2_mmio_remap/src/exception/asynchronous.rs
+++ b/14_virtual_mem_part2_mmio_remap/src/exception/asynchronous.rs
@@ -119,7 +119,7 @@ impl<const MAX_INCLUSIVE: usize> IRQNumber<{ MAX_INCLUSIVE }> {
     pub const fn new(number: usize) -> Self {
         assert!(number <= MAX_INCLUSIVE);
 
-        Self { 0: number }
+        Self(number)
     }
 
     /// Return the wrapped number.
diff --git a/14_virtual_mem_part2_mmio_remap/src/lib.rs b/14_virtual_mem_part2_mmio_remap/src/lib.rs
index 7808f5ba..9ed0941c 100644
--- a/14_virtual_mem_part2_mmio_remap/src/lib.rs
+++ b/14_virtual_mem_part2_mmio_remap/src/lib.rs
@@ -109,8 +109,6 @@
 #![allow(clippy::upper_case_acronyms)]
 #![allow(incomplete_features)]
 #![feature(asm_const)]
-#![feature(const_fn_fn_ptr_basics)]
-#![feature(const_fn_trait_bound)]
 #![feature(core_intrinsics)]
 #![feature(format_args_nl)]
 #![feature(generic_const_exprs)]
diff --git a/14_virtual_mem_part2_mmio_remap/src/memory/mmu/types.rs b/14_virtual_mem_part2_mmio_remap/src/memory/mmu/types.rs
index 84214836..82d5009c 100644
--- a/14_virtual_mem_part2_mmio_remap/src/memory/mmu/types.rs
+++ b/14_virtual_mem_part2_mmio_remap/src/memory/mmu/types.rs
@@ -81,7 +81,9 @@ impl<ATYPE: AddressType> PageAddress<ATYPE> {
             return Some(self);
         }
 
-        let delta = (count.abs() as usize).checked_mul(bsp::memory::mmu::KernelGranule::SIZE)?;
+        let delta = count
+            .unsigned_abs()
+            .checked_mul(bsp::memory::mmu::KernelGranule::SIZE)?;
         let result = if count.is_positive() {
             self.inner.as_usize().checked_add(delta)?
         } else {
diff --git a/15_virtual_mem_part3_precomputed_tables/src/exception/asynchronous.rs b/15_virtual_mem_part3_precomputed_tables/src/exception/asynchronous.rs
index 0e2835b2..fb1785c2 100644
--- a/15_virtual_mem_part3_precomputed_tables/src/exception/asynchronous.rs
+++ b/15_virtual_mem_part3_precomputed_tables/src/exception/asynchronous.rs
@@ -119,7 +119,7 @@ impl<const MAX_INCLUSIVE: usize> IRQNumber<{ MAX_INCLUSIVE }> {
     pub const fn new(number: usize) -> Self {
         assert!(number <= MAX_INCLUSIVE);
 
-        Self { 0: number }
+        Self(number)
     }
 
     /// Return the wrapped number.
diff --git a/15_virtual_mem_part3_precomputed_tables/src/lib.rs b/15_virtual_mem_part3_precomputed_tables/src/lib.rs
index 7808f5ba..9ed0941c 100644
--- a/15_virtual_mem_part3_precomputed_tables/src/lib.rs
+++ b/15_virtual_mem_part3_precomputed_tables/src/lib.rs
@@ -109,8 +109,6 @@
 #![allow(clippy::upper_case_acronyms)]
 #![allow(incomplete_features)]
 #![feature(asm_const)]
-#![feature(const_fn_fn_ptr_basics)]
-#![feature(const_fn_trait_bound)]
 #![feature(core_intrinsics)]
 #![feature(format_args_nl)]
 #![feature(generic_const_exprs)]
diff --git a/15_virtual_mem_part3_precomputed_tables/src/memory/mmu/types.rs b/15_virtual_mem_part3_precomputed_tables/src/memory/mmu/types.rs
index 84214836..82d5009c 100644
--- a/15_virtual_mem_part3_precomputed_tables/src/memory/mmu/types.rs
+++ b/15_virtual_mem_part3_precomputed_tables/src/memory/mmu/types.rs
@@ -81,7 +81,9 @@ impl<ATYPE: AddressType> PageAddress<ATYPE> {
             return Some(self);
         }
 
-        let delta = (count.abs() as usize).checked_mul(bsp::memory::mmu::KernelGranule::SIZE)?;
+        let delta = count
+            .unsigned_abs()
+            .checked_mul(bsp::memory::mmu::KernelGranule::SIZE)?;
         let result = if count.is_positive() {
             self.inner.as_usize().checked_add(delta)?
         } else {
diff --git a/16_virtual_mem_part4_higher_half_kernel/README.md b/16_virtual_mem_part4_higher_half_kernel/README.md
index 487ce443..52ca9bfe 100644
--- a/16_virtual_mem_part4_higher_half_kernel/README.md
+++ b/16_virtual_mem_part4_higher_half_kernel/README.md
@@ -799,7 +799,7 @@ diff -uNr 15_virtual_mem_part3_precomputed_tables/src/bsp/raspberrypi/memory.rs
 diff -uNr 15_virtual_mem_part3_precomputed_tables/src/lib.rs 16_virtual_mem_part4_higher_half_kernel/src/lib.rs
 --- 15_virtual_mem_part3_precomputed_tables/src/lib.rs
 +++ 16_virtual_mem_part4_higher_half_kernel/src/lib.rs
-@@ -152,11 +152,6 @@
+@@ -150,11 +150,6 @@
      )
  }
 
diff --git a/16_virtual_mem_part4_higher_half_kernel/src/exception/asynchronous.rs b/16_virtual_mem_part4_higher_half_kernel/src/exception/asynchronous.rs
index 0e2835b2..fb1785c2 100644
--- a/16_virtual_mem_part4_higher_half_kernel/src/exception/asynchronous.rs
+++ b/16_virtual_mem_part4_higher_half_kernel/src/exception/asynchronous.rs
@@ -119,7 +119,7 @@ impl<const MAX_INCLUSIVE: usize> IRQNumber<{ MAX_INCLUSIVE }> {
     pub const fn new(number: usize) -> Self {
         assert!(number <= MAX_INCLUSIVE);
 
-        Self { 0: number }
+        Self(number)
     }
 
     /// Return the wrapped number.
diff --git a/16_virtual_mem_part4_higher_half_kernel/src/lib.rs b/16_virtual_mem_part4_higher_half_kernel/src/lib.rs
index c15d35ee..76cd3792 100644
--- a/16_virtual_mem_part4_higher_half_kernel/src/lib.rs
+++ b/16_virtual_mem_part4_higher_half_kernel/src/lib.rs
@@ -109,8 +109,6 @@
 #![allow(clippy::upper_case_acronyms)]
 #![allow(incomplete_features)]
 #![feature(asm_const)]
-#![feature(const_fn_fn_ptr_basics)]
-#![feature(const_fn_trait_bound)]
 #![feature(core_intrinsics)]
 #![feature(format_args_nl)]
 #![feature(generic_const_exprs)]
diff --git a/16_virtual_mem_part4_higher_half_kernel/src/memory/mmu/types.rs b/16_virtual_mem_part4_higher_half_kernel/src/memory/mmu/types.rs
index 43a96a11..b72ece28 100644
--- a/16_virtual_mem_part4_higher_half_kernel/src/memory/mmu/types.rs
+++ b/16_virtual_mem_part4_higher_half_kernel/src/memory/mmu/types.rs
@@ -86,7 +86,9 @@ impl<ATYPE: AddressType> PageAddress<ATYPE> {
             return Some(self);
         }
 
-        let delta = (count.abs() as usize).checked_mul(bsp::memory::mmu::KernelGranule::SIZE)?;
+        let delta = count
+            .unsigned_abs()
+            .checked_mul(bsp::memory::mmu::KernelGranule::SIZE)?;
         let result = if count.is_positive() {
             self.inner.as_usize().checked_add(delta)?
         } else {
diff --git a/X1_JTAG_boot/jtag_boot_rpi3.img b/X1_JTAG_boot/jtag_boot_rpi3.img
index 14b22a47c71443e49155f7e5c782e9f24bb121bc..a55f8318566fdb849b3c50333105ee4118586b14 100755
GIT binary patch
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diff --git a/X1_JTAG_boot/jtag_boot_rpi4.img b/X1_JTAG_boot/jtag_boot_rpi4.img
index 8622b9be7170b4557239565e64e74a6903bee4cd..c7b3bf0e87b803b7a3e142ad92b2a7bb03b668ca 100755
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diff --git a/X1_JTAG_boot/src/main.rs b/X1_JTAG_boot/src/main.rs
index 808b3176..6e6cf909 100644
--- a/X1_JTAG_boot/src/main.rs
+++ b/X1_JTAG_boot/src/main.rs
@@ -105,7 +105,6 @@
 //! 2. Once finished with architectural setup, the arch code calls `kernel_init()`.
 
 #![allow(clippy::upper_case_acronyms)]
-#![feature(const_fn_fn_ptr_basics)]
 #![feature(format_args_nl)]
 #![feature(panic_info_message)]
 #![feature(trait_alias)]
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 19f8449a..96b65c78 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,4 +1,4 @@
 [toolchain]
-channel = "nightly-2021-12-18"
+channel = "nightly-2022-04-10"
 components = ["llvm-tools-preview"]
 targets = ["aarch64-unknown-none-softfloat"]