25 lines
579 B
Rust
25 lines
579 B
Rust
use crate::hardware_bridge::HardwareBridge;
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use crate::vm_fault::VmFault;
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pub struct HostContext<'a> {
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pub hw: Option<&'a mut dyn HardwareBridge>,
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}
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impl<'a> HostContext<'a> {
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pub fn new(hw: Option<&'a mut dyn HardwareBridge>) -> Self {
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Self { hw }
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}
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#[inline]
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pub fn require_hw(&mut self) -> Result<&mut dyn HardwareBridge, VmFault> {
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match &mut self.hw {
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Some(hw) => Ok(*hw),
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None => Err(VmFault::Unavailable),
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}
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}
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}
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pub trait HostContextProvider {
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fn make_ctx(&'_ mut self) -> HostContext<'_>;
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}
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