forked from AbleOS/holey-bytes
Added stack hopefully maybe who knows
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b84ff70014
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@ -19,6 +19,25 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
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exit(1);
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exit(1);
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};
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};
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// Allocate stack
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const STACK_SIZE: usize = 1024 * 1024 * 2;
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let stack_ptr = unsafe {
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mmap::<std::fs::File>(
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None,
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NonZeroUsize::new(STACK_SIZE).expect("Stack size should be > 0"),
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ProtFlags::PROT_GROWSDOWN | ProtFlags::PROT_READ | ProtFlags::PROT_WRITE,
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MapFlags::MAP_GROWSDOWN
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| MapFlags::MAP_STACK
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| MapFlags::MAP_ANON
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| MapFlags::MAP_PRIVATE,
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None,
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0,
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)
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}?;
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eprintln!("[I] Stack allocated at {stack_ptr:p}");
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// Load program
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// Load program
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eprintln!("[I] Loading image from \"{image_path}\"");
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eprintln!("[I] Loading image from \"{image_path}\"");
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let file = File::open(image_path)?;
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let file = File::open(image_path)?;
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@ -36,6 +55,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
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eprintln!("[I] Image loaded at {ptr:p}");
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eprintln!("[I] Image loaded at {ptr:p}");
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let mut vm = unsafe { Vm::<_, 0>::new(mem::HostMemory, Address::new(ptr as u64)) };
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let mut vm = unsafe { Vm::<_, 0>::new(mem::HostMemory, Address::new(ptr as u64)) };
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vm.write_reg(254, stack_ptr as u64);
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// Memory access fault handling
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// Memory access fault handling
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unsafe {
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unsafe {
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