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libcortex_a9: add interrupt exit support for interrupt_handler macro #107

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sb10q merged 4 commits from morgan/zynq-rs:interrupt into master 2023-11-20 12:30:29 +08:00
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libcortex_a9/src/lib.rs
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@ -66,7 +66,7 @@ macro_rules! interrupt_handler {
concat!("movtne r1, :upper16:", stringify!($stack1)),
"mov r0, sp",
"mov sp, r1",
"push {{r0, r1}}", // for stack alignment
"push {{r0, r1}}", // 2 registers are pushed to maintain 8 byte stack alignment
concat!("bl ", stringify!($name2)),
"pop {{r0, r1}}",
"mov sp, r0",