forked from AbleOS/holey-bytes
Public accessors
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@ -13,7 +13,10 @@
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#![no_std]
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#![cfg_attr(feature = "nightly", feature(fn_align))]
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use mem::{Address, Memory};
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use {
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mem::{Address, Memory},
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value::ValueVariant,
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};
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#[cfg(feature = "alloc")]
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extern crate alloc;
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@ -66,6 +69,27 @@ where
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copier: None,
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}
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}
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/// Read register
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#[inline(always)]
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pub fn read_reg(&self, n: u8) -> Value {
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unsafe { *self.registers.get_unchecked(n as usize) }
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}
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/// Write a register.
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/// Writing to register 0 is no-op.
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#[inline(always)]
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pub fn write_reg<T: ValueVariant>(&mut self, n: u8, value: T) {
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if n != 0 {
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unsafe {
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core::ptr::copy_nonoverlapping(
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(&value as *const T).cast::<u8>(),
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self.registers.as_mut_ptr().add(n.into()).cast::<u8>(),
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core::mem::size_of::<T>(),
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);
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};
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}
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}
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}
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/// Virtual machine halt error
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@ -3,12 +3,7 @@
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//! Have fun
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use {
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super::{
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bmc::BlockCopier,
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mem::Memory,
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value::{Value, ValueVariant},
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Vm, VmRunError, VmRunOk,
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},
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super::{bmc::BlockCopier, mem::Memory, value::ValueVariant, Vm, VmRunError, VmRunOk},
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crate::{
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mem::{addr::AddressOp, Address},
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value::CheckedDivRem,
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@ -534,27 +529,6 @@ where
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}
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}
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/// Read register
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#[inline(always)]
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fn read_reg(&self, n: u8) -> Value {
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unsafe { *self.registers.get_unchecked(n as usize) }
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}
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/// Write a register.
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/// Writing to register 0 is no-op.
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#[inline(always)]
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fn write_reg<T: ValueVariant>(&mut self, n: u8, value: T) {
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if n != 0 {
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unsafe {
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core::ptr::copy_nonoverlapping(
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(&value as *const T).cast::<u8>(),
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self.registers.as_mut_ptr().add(n.into()).cast::<u8>(),
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core::mem::size_of::<T>(),
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);
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};
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}
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}
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/// Load / Store Address check-computation überfunction
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#[inline(always)]
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unsafe fn ldst_addr_uber(
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