forked from AbleOS/holey-bytes
36 lines
758 B
Rust
36 lines
758 B
Rust
//! Program trap handling interfaces
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use super::{
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mem::{Memory, MemoryAccessReason, PageSize},
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value::Value,
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};
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/// Handle VM traps
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pub trait HandleTrap {
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/// Handle page fault
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fn page_fault(
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&mut self,
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reason: MemoryAccessReason,
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memory: &mut Memory,
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vaddr: u64,
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size: PageSize,
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dataptr: *mut u8,
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) -> bool;
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/// Handle invalid opcode exception
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fn invalid_op(
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&mut self,
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regs: &mut [Value; 256],
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pc: &mut usize,
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memory: &mut Memory,
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op: u8,
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) -> bool
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where
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Self: Sized;
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/// Handle environment calls
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fn ecall(&mut self, regs: &mut [Value; 256], pc: &mut usize, memory: &mut Memory)
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where
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Self: Sized;
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}
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