Method run

crates/virtual-machine/src/virtual_machine.rs:121–152

(&mut self, max_steps: u64)

                .checked_add(segment.file_size)
                .ok_or_else(|| VmError::Other("ELF segment file range overflow".to_owned()))?;
            let data = bytes
                .get(segment.offset as usize..file_end as usize)
                .ok_or_else(|| VmError::Other("ELF PT_LOAD range outside file".to_owned()))?;

            for (i, &byte) in data.iter().enumerate() {
                bus.write_byte(mapped_vaddr + i as u64, byte)?;
            }

            if segment.mem_size > segment.file_size {
                for addr in (mapped_vaddr + segment.file_size)..(mapped_vaddr + segment.mem_size) {
                    bus.write_byte(addr, 0)?;
                }
            }
        }

        let heap_base = align_up(highest_mapped, 0x1000);
        bus.write_doubleword(HEAP_PTR_ADDR, heap_base)?;

        bus.cold_cache_reset();

        let stack_ptr = RAM_BASE + RAM_SIZE_DEFAULT as u64 - 16;
        let cpu = Cpu::new(RAM_BASE + (elf.entry_point - image_base), stack_ptr);

        Ok(Self { cpu, bus })
    }
}

// --- Step / run ---

impl VirtualMachine {
    /// Configure blocking data-cache and DRAM latency. Disabled by default.
    pub fn set_memory_latency_config(&mut self, config: MemoryLatencyConfig) {
        self.bus.set_memory_latency_config(config);
    }