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-rw-r--r--build.rs42
1 files changed, 41 insertions, 1 deletions
diff --git a/build.rs b/build.rs
index 4d5a706..4866ed2 100644
--- a/build.rs
+++ b/build.rs
@@ -1,18 +1,58 @@
+extern crate cc;
+
use std::env;
fn main() {
let target = env::var("TARGET").unwrap();
+ if target.starts_with("thumb") && env::var_os("CARGO_FEATURE_INLINE_ASM").is_none() {
+ // NOTE we need to place each routine in a separate assembly file or the linker won't be
+ // able to discard the unused routines
+ let mut build = cc::Build::new();
+ build
+ .file("asm/basepri_r.s")
+ .file("asm/bkpt.s")
+ .file("asm/control.s")
+ .file("asm/cpsid.s")
+ .file("asm/cpsie.s")
+ .file("asm/dmb.s")
+ .file("asm/dsb.s")
+ .file("asm/faultmask.s")
+ .file("asm/isb.s")
+ .file("asm/msp_r.s")
+ .file("asm/msp_w.s")
+ .file("asm/nop.s")
+ .file("asm/primask.s")
+ .file("asm/psp_r.s")
+ .file("asm/psp_w.s")
+ .file("asm/sev.s")
+ .file("asm/wfe.s")
+ .file("asm/wfi.s");
+
+ if env::var_os("CARGO_FEATURE_CM7_R0P1").is_some() {
+ build.file("asm/basepri_max-cm7-r0p1.s");
+ build.file("asm/basepri_w-cm7-r0p1.s");
+ } else {
+ build.file("asm/basepri_max.s");
+ build.file("asm/basepri_w.s");
+ }
+
+ build.compile("asm");
+ }
+
if target.starts_with("thumbv6m-") {
+ println!("cargo:rustc-cfg=cortex_m");
println!("cargo:rustc-cfg=armv6m");
} else if target.starts_with("thumbv7m-") {
+ println!("cargo:rustc-cfg=cortex_m");
println!("cargo:rustc-cfg=armv7m");
} else if target.starts_with("thumbv7em-") {
+ println!("cargo:rustc-cfg=cortex_m");
println!("cargo:rustc-cfg=armv7m");
//println!("cargo:rustc-cfg=armv7em");
}
- if target.ends_with("eabihf") {
+ if target.ends_with("-eabihf") {
println!("cargo:rustc-cfg=has_fpu");
}
}