Merge #28

28: Add thumbv8m main. r=adamgreig a=nezza

rustup supports the `thumbv8m.main-none-eabi` target, this adds support for `thumbv8m.main-none-eabi` to cortex-m-semihosting.

Related PRs:

rust-embedded/cortex-m#130
rust-embedded/cortex-m-rt#167

Co-authored-by: Thomas Roth <thomas.roth@leveldown.de>

Author: bors[bot]

.travis.yml

@@ -42,6 +42,10 @@ matrix:
       rust: nightly
       if: (branch = staging OR branch = trying) OR (type = pull_request AND branch = master)
 
+    - env: TARGET=thumbv8m.main-none-eabi
+      rust: nightly
+      if: (branch = staging OR branch = trying) OR (type = pull_request AND branch = master)
+
 before_install: set -e
 
 install:

assemble.sh

@@ -22,4 +22,7 @@ ar crs bin/thumbv7em-none-eabihf.a bin/$crate.o
 arm-none-eabi-as -march=armv8-m.base asm.s -o bin/$crate.o
 ar crs bin/thumbv8m.base-none-eabi.a bin/$crate.o
 
+arm-none-eabi-as -march=armv8-m.main asm.s -o bin/$crate.o
+ar crs bin/thumbv8m.main-none-eabi.a bin/$crate.o
+
 rm bin/$crate.o