Add thumbv8m main.

Author: nezza

assemble.sh

@@ -25,6 +25,9 @@ ar crs bin/thumbv7em-none-eabihf.a bin/$crate.o bin/$crate-v7.o bin/$crate-cm7-r
 arm-none-eabi-as -march=armv8-m.base asm.s -o bin/$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/$crate.o
 rm bin/$crate-v7.o
 rm bin/$crate-cm7-r0p1.o