diff options
Diffstat (limited to 'cortex-m-rt/build.rs')
-rw-r--r-- | cortex-m-rt/build.rs | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/cortex-m-rt/build.rs b/cortex-m-rt/build.rs index a978146..5a8fb9c 100644 --- a/cortex-m-rt/build.rs +++ b/cortex-m-rt/build.rs @@ -8,7 +8,6 @@ fn main() { let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap()); has_fpu(&target); - let is_armv6m = is_armv6m(&target); if target.starts_with("thumbv") { fs::copy( @@ -43,7 +42,23 @@ INCLUDE device.x"# f }; - let max_int_handlers = if is_armv6m { 32 } else { 240 }; + let max_int_handlers = if target.starts_with("thumbv6m-") { + println!("cargo:rustc-cfg=cortex_m"); + println!("cargo:rustc-cfg=armv6m"); + 32 + } else if target.starts_with("thumbv7m-") || target.starts_with("thumbv7em-") { + println!("cargo:rustc-cfg=cortex_m"); + println!("cargo:rustc-cfg=armv7m"); + 240 + } else if target.starts_with("thumbv8m") { + println!("cargo:rustc-cfg=cortex_m"); + println!("cargo:rustc-cfg=armv8m"); + 240 + } else { + // Non ARM target. We assume you're just testing the syntax. + // This value seems as soon as any + 240 + }; // checking the size of the interrupts portion of the vector table is sub-architecture dependent writeln!( @@ -58,6 +73,10 @@ handlers."); max_int_handlers ).unwrap(); + if target.ends_with("-eabihf") { + println!("cargo:rustc-cfg=has_fpu"); + } + println!("cargo:rustc-link-search={}", out.display()); println!("cargo:rerun-if-changed=build.rs"); @@ -69,12 +88,3 @@ fn has_fpu(target: &str) { println!("cargo:rustc-cfg=has_fpu"); } } - -fn is_armv6m(target: &str) -> bool { - if target.starts_with("thumbv6m-") { - println!("cargo:rustc-cfg=armv6m"); - true - } else { - false - } -} |