27 lines
536 B
Rust
27 lines
536 B
Rust
//! Implementation of [`TaskContext`]
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use crate::trap::trap_return;
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#[repr(C)]
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/// task context structure containing some registers
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pub struct TaskContext {
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ra: usize,
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sp: usize,
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s: [usize; 12],
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}
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impl TaskContext {
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pub fn zero_init() -> Self {
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Self {
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ra: 0,
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sp: 0,
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s: [0; 12],
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}
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}
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pub fn goto_trap_return(kstack_ptr: usize) -> Self {
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Self {
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ra: trap_return as usize,
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sp: kstack_ptr,
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s: [0; 12],
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}
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}
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}
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