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8cb2e9b344
* 修复cpumask的迭代器的错误。 * 能进系统（AP核心还没有初始化自身） * 初始化ap core * 修改percpu * 删除无用的cpu.c * riscv64编译通过
16 lines
343 B
Rust
16 lines
343 B
Rust
use crate::time::TimeArch;
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use super::driver::tsc::TSCManager;
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pub struct X86_64TimeArch;
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impl TimeArch for X86_64TimeArch {
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fn get_cycles() -> usize {
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unsafe { x86::time::rdtsc() as usize }
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}
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fn cal_expire_cycles(ns: usize) -> usize {
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Self::get_cycles() + ns * TSCManager::cpu_khz() as usize / 1000000
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}
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}
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