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fix: 清理 clint
这个 clint 问题很大,真的离谱,对性能有完全无法理解的影响 Signed-off-by: YdrMaster <[email protected]>
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rustsbi-qemu/src/main.rs

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@@ -159,6 +159,9 @@ extern "C" fn rust_main(_hartid: usize, opaque: usize) {
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// 设置陷入栈
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unsafe { ROOT_STACK[hart_id()].load_as_stack() };
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}
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// 清理 clint
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clint::msip::clear();
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clint::mtimecmp::clear();
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// 准备启动调度
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unsafe {
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asm!("csrw mcause, {}", in(reg) cause::BOOT);

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