Commenting out some broken code and throwing unimplemented instead.

Author: Matt Liegey

src/lib.rs

@@ -1,5 +1,5 @@
 #![no_std]
-#![feature(asm, global_asm, isa_attribute)]
+#![feature(isa_attribute)]
 
 //! This crate helps you write GBA ROMs.
 //!
@@ -31,11 +31,11 @@ pub mod prelude {
   #[cfg(target_arch = "arm")]
   pub use crate::mmio_addresses::*;
   #[cfg(target_arch = "arm")]
+  pub use crate::random::*;
+  #[cfg(target_arch = "arm")]
   pub use crate::save::*;
   #[cfg(target_arch = "arm")]
   pub use crate::sync::*;
-  #[cfg(target_arch = "arm")]
-  pub use crate::random::*;
 }
 
 pub mod mmio_types;

src/sync/statics.rs

@@ -85,59 +85,64 @@ unsafe fn transfer_align4_thumb<T: Copy>(mut dst: *mut T, mut src: *const T) {
 
 #[cfg(target_arch = "arm")]
 #[instruction_set(arm::a32)]
-#[allow(unused_assignments)]
+#[allow(unused_assignments, unused_variables, unused_mut)] // TODO(rust-console/gba#158)
 unsafe fn transfer_align4_arm<T: Copy>(mut dst: *mut T, mut src: *const T) {
   let size = size_of::<T>();
   if size <= 16 {
     unimplemented!("This should be done via transfer_thumb.");
   } else if size <= 20 {
     // Starting at size == 20, we have to switch to ARM due to lack of
     // accessible registers in THUMB mode.
-    asm!(
-      "ldmia {0}!, {{r2-r5,r8}}",
-      "stmia {1}!, {{r2-r5,r8}}",
-      inout(reg) src, inout(reg) dst,
-      out("r2") _, out("r3") _, out("r4") _, out("r5") _, out("r8") _,
-    )
+    // asm!(
+    //   "ldmia {0}!, {{r2-r5,r8}}",
+    //   "stmia {1}!, {{r2-r5,r8}}",
+    //   inout(reg) src, inout(reg) dst,
+    //   out("r2") _, out("r3") _, out("r4") _, out("r5") _, out("r8") _,
+    // )
+    unimplemented!("Currently higher registers are unavailable. See rust-console/gba#158");
   } else if size <= 24 {
-    asm!(
-      "push {{r9}}",
-      "ldmia {0}!, {{r2-r5,r8-r9}}",
-      "stmia {1}!, {{r2-r5,r8-r9}}",
-      "pop {{r9}}",
-      inout(reg) src, inout(reg) dst,
-      out("r2") _, out("r3") _, out("r4") _, out("r5") _, out("r8") _,
-    )
+    // asm!(
+    //   "push {{r9}}",
+    //   "ldmia {0}!, {{r2-r5,r8-r9}}",
+    //   "stmia {1}!, {{r2-r5,r8-r9}}",
+    //   "pop {{r9}}",
+    //   inout(reg) src, inout(reg) dst,
+    //   out("r2") _, out("r3") _, out("r4") _, out("r5") _, out("r8") _,
+    // )
+    unimplemented!("Currently higher registers are unavailable. See rust-console/gba#158");
   } else if size <= 28 {
-    asm!(
-      "push {{r9}}",
-      "ldmia {0}!, {{r2-r5,r8-r10}}",
-      "stmia {1}!, {{r2-r5,r8-r10}}",
-      "pop {{r9}}",
-      inout(reg) src, inout(reg) dst,
-      out("r2") _, out("r3") _, out("r4") _, out("r5") _, out("r8") _,
-      out("r10") _,
-    )
+    // asm!(
+    //   "push {{r9}}",
+    //   "ldmia {0}!, {{r2-r5,r8-r10}}",
+    //   "stmia {1}!, {{r2-r5,r8-r10}}",
+    //   "pop {{r9}}",
+    //   inout(reg) src, inout(reg) dst,
+    //   out("r2") _, out("r3") _, out("r4") _, out("r5") _, out("r8") _,
+    //   out("r10") _,
+    // )
+    unimplemented!("Currently higher registers are unavailable. See rust-console/gba#158");
   } else if size <= 32 {
-    asm!(
-      "push {{r9}}",
-      "ldmia {0}!, {{r2-r5,r8-r10,r12}}",
-      "stmia {1}!, {{r2-r5,r8-r10,r12}}",
-      "pop {{r9}}",
-      inout(reg) src, inout(reg) dst,
-      out("r2") _, out("r3") _, out("r4") _, out("r5") _, out("r8") _,
-      out("r10") _, out("r12") _,
-    )
+    // asm!(
+    //   "push {{r9}}",
+    //   "ldmia {0}!, {{r2-r5,r8-r10,r12}}",
+    //   "stmia {1}!, {{r2-r5,r8-r10,r12}}",
+    //   "pop {{r9}}",
+    //   inout(reg) src, inout(reg) dst,
+    //   out("r2") _, out("r3") _, out("r4") _, out("r5") _, out("r8") _,
+    //   out("r10") _, out("r12") _,
+    // )
+    unimplemented!("Currently higher registers are unavailable. See rust-console/gba#158");
   } else if size <= 36 {
-    asm!(
-      "push {{r9}}",
-      "ldmia {0}!, {{r2-r5,r8-r10,r12,r14}}",
-      "stmia {1}!, {{r2-r5,r8-r10,r12,r14}}",
-      "pop {{r9}}",
-      inout(reg) src, inout(reg) dst,
-      out("r2") _, out("r3") _, out("r4") _, out("r5") _, out("r8") _,
-      out("r10") _, out("r12") _, out("r14") _,
-    )
+    // asm!(
+    //   "push {{r9}}",
+    //   "ldmia {0}!, {{r2-r5,r8-r10,r12,r14}}",
+    //   "stmia {1}!, {{r2-r5,r8-r10,r12,r14}}",
+    //   "pop {{r9}}",
+    //   inout(reg) src, inout(reg) dst,
+    //   out("r2") _, out("r3") _, out("r4") _, out("r5") _, out("r8") _,
+    //   out("r10") _, out("r12") _, out("r14") _,
+    // )
+    unimplemented!("Currently higher registers are unavailable. See rust-console/gba#158");
   } else {
     unimplemented!("Copy too large for use of ldmia/stmia.");
   }