using compiler builtins to realize basic operations (e.g. memcpy)

.cargo/config

@@ -1,5 +1,6 @@
 [unstable]
 build-std = ["core", "alloc"]
+build-std-features = ["compiler-builtins-mem"]
 
 [build]
 target = "x86_64-unknown-hermit-kernel"

.github/workflows/experimental.yml → .github/workflows/nightly.yml

@@ -1,4 +1,4 @@
-name: Tests (experimental)
+name: Tests (nightly)
 
 on:
   pull_request:
@@ -10,11 +10,11 @@ on:
 
 jobs:
   build:
-    name: Tests (experimental)
+    name: Tests
     runs-on: ${{ matrix.os }}
     # these tests based on the nightly compiler, which can be broken
     # consequently, we continue on an error
-    continue-on-error: true
+    #continue-on-error: true
 
     strategy:
       matrix:
@@ -31,7 +31,7 @@ jobs:
             targets: 'x86_64-pc-windows-msvc'
           - os: ubuntu-latest
             rust: 'nightly'
-            components: 'rust-src, llvm-tools-preview, rustfmt'
+            components: 'rust-src, llvm-tools-preview'
             targets: 'x86_64-unknown-linux-gnu'
 
 
@@ -116,8 +116,12 @@ jobs:
           qemu-system-x86_64 -display none -smp 2 -m 64M -serial stdio -kernel loader/target/x86_64-unknown-hermit-loader/debug/rusty-loader -initrd target/x86_64-unknown-hermit/release/rusty_demo -cpu qemu64,apic,fsgsbase,rdtscp,xsave,fxsr
         timeout-minutes: 20
       - name: Integration Tests
+        working-directory: libhermit-rs
         run:
           cargo test --tests --no-fail-fast -Z build-std=core,alloc --target x86_64-unknown-hermit-kernel -- --bootloader_path=../loader/target/x86_64-unknown-hermit-loader/debug/rusty-loader
+        if: ${{ matrix.os == 'ubuntu-latest' }}
       - name: Integration Tests (smp)
+        working-directory: libhermit-rs
         run:
           cargo test --tests --no-fail-fast -Z build-std=core,alloc --target x86_64-unknown-hermit-kernel -- --bootloader_path=../loader/target/x86_64-unknown-hermit-loader/debug/rusty-loader --num_cores 2
+        if: ${{ matrix.os == 'ubuntu-latest' }}

bors.toml

@@ -1,5 +1,8 @@
 status = [
   "Tests",
+  "Tests (macOS-latest, nightly)",
+  "Tests (windows-latest, nightly)",
+  "Tests (ubuntu-latest, nightly)",
   "Format check (ubuntu-latest, nightly)",
   "continuous-integration/travis-ci/push"
 ]

src/lib.rs

@@ -95,8 +95,6 @@ pub mod environment;
 mod errno;
 mod kernel_message_buffer;
 mod mm;
-#[cfg(not(feature = "newlib"))]
-mod rlib;
 #[cfg(target_os = "hermit")]
 mod runtime_glue;
 mod scheduler;