Swap to just-stabilised asm!() and global_asm!() macros

.github/bors.toml

@@ -3,9 +3,9 @@ delete_merged_branches = true
 required_approvals = 1
 status = [
   "ci-linux (stable)",
-  "ci-linux (1.42.0)",
+  "ci-linux (1.59.0)",
   "rt-ci-linux (stable)",
-  "rt-ci-linux (1.42.0)",
+  "rt-ci-linux (1.59.0)",
   "rt-ci-other-os (macOS-latest)",
   "rt-ci-other-os (windows-latest)",
   "rustfmt",

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
 
         include:
           # Test MSRV
-          - rust: 1.42.0
+          - rust: 1.59.0
 
           # Test nightly but don't fail
           - rust: nightly

.github/workflows/cron.yml

@@ -16,7 +16,7 @@ jobs:
           toolchain: stable
           override: true
       - name: Run tests
-        run: cargo test --all
+        run: cargo test --all --exclude cortex-m-rt
       - uses: imjohnbo/issue-bot@v2
         if: failure()
         with:

.github/workflows/rt-ci.yml

@@ -11,8 +11,7 @@ jobs:
     continue-on-error: ${{ matrix.experimental || false }}
     strategy:
       matrix:
-        # All generated code should be running on stable now
-        rust: [nightly, stable, 1.42.0]
+        rust: [nightly, stable, 1.59.0]
 
         include:
           # Nightly is only for reference and allowed to fail

CHANGELOG.md

@@ -21,8 +21,12 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ### Fixed
 - Fixed `singleton!()` statics sometimes ending up in `.data` instead of `.bss` (#364, #380).
 
+### Changed
+- Inline assembly is now always used, requiring Rust 1.59.
+
 ### Removed
 - removed all peripherals `ptr()` functions in favor of the associated constant `PTR` (#385).
+- removed `inline-asm` feature which is now always enabled
 
 ## [v0.7.4] - 2021-12-31
 

Cargo.toml

@@ -12,7 +12,8 @@ name = "cortex-m"
 readme = "README.md"
 repository = "https://github.com/rust-embedded/cortex-m"
 version = "0.7.4"
-edition = "2018"
+edition = "2021"
+rust-version = "1.59"
 links = "cortex-m"  # prevent multiple versions of this crate to be linked together
 
 [dependencies]
@@ -29,7 +30,6 @@ optional = true
 [features]
 cm7 = []
 cm7-r0p1 = ["cm7"]
-inline-asm = []
 linker-plugin-lto = []
 std = []
 

README.md

@@ -11,7 +11,7 @@ This project is developed and maintained by the [Cortex-M team][team].
 
 ## Minimum Supported Rust Version (MSRV)
 
-This crate is guaranteed to compile on stable Rust 1.42 and up. It might compile with older versions but that may change in any new patch release.
+This crate is guaranteed to compile on stable Rust 1.59 and up. It might compile with older versions but that may change in any new patch release.
 
 ## License