forked from M-Labs/zynq-rs
FPU: moved enable function to zc706
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@ -0,0 +1,14 @@
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/// Enable FPU in the current core.
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pub fn enable_fpu() {
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unsafe {
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llvm_asm!("
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mrc p15, 0, r1, c1, c0, 2
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orr r1, r1, (0b1111<<20)
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mcr p15, 0, r1, c1, c0, 2
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vmrs r1, fpexc
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orr r1, r1, (1<<30)
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vmsr fpexc, r1
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":::"r1");
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}
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}
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@ -11,6 +11,8 @@ pub mod mmu;
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pub mod mutex;
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pub mod sync_channel;
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mod uncached;
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mod fpu;
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pub use uncached::UncachedSlice;
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pub use fpu::enable_fpu;
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global_asm!(include_str!("exceptions.s"));
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