hyperlight-guest 0.17.0

Provides only the essential building blocks for interacting with the host environment, including the VM exit mechanism, abstractions for calling host functions and receiving return values, and the input/output stacks used for guest-host communication.
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// SPDX-License-Identifier: Apache-2.0
// Copyright 2025 The Hyperlight Authors.

#[cfg_attr(target_arch = "x86_64", path = "arch/amd64/layout.rs")]
#[cfg_attr(target_arch = "aarch64", path = "arch/aarch64/layout.rs")]
mod arch;

pub use arch::{MAIN_STACK_LIMIT_GVA, MAIN_STACK_TOP_GVA};
pub fn scratch_size_gva() -> *mut u64 {
    use hyperlight_common::layout::{SCRATCH_TOP_GVA, SCRATCH_TOP_SIZE_OFFSET};
    (SCRATCH_TOP_GVA as u64 - SCRATCH_TOP_SIZE_OFFSET + 1) as *mut u64
}
pub fn allocator_gva() -> *mut u64 {
    use hyperlight_common::layout::{SCRATCH_TOP_ALLOCATOR_OFFSET, SCRATCH_TOP_GVA};
    (SCRATCH_TOP_GVA as u64 - SCRATCH_TOP_ALLOCATOR_OFFSET + 1) as *mut u64
}
pub fn snapshot_pt_gpa_base_gva() -> *mut u64 {
    use hyperlight_common::layout::{SCRATCH_TOP_GVA, SCRATCH_TOP_SNAPSHOT_PT_GPA_BASE_OFFSET};
    (SCRATCH_TOP_GVA as u64 - SCRATCH_TOP_SNAPSHOT_PT_GPA_BASE_OFFSET + 1) as *mut u64
}
pub fn snapshot_generation_gva() -> *mut u64 {
    use hyperlight_common::layout::{SCRATCH_TOP_GVA, SCRATCH_TOP_SNAPSHOT_GENERATION_OFFSET};
    (SCRATCH_TOP_GVA as u64 - SCRATCH_TOP_SNAPSHOT_GENERATION_OFFSET + 1) as *mut u64
}
pub fn libc_rng_seed_gva() -> *mut u64 {
    use hyperlight_common::layout::{SCRATCH_TOP_GVA, SCRATCH_TOP_LIBC_RNG_SEED_OFFSET};
    (SCRATCH_TOP_GVA as u64 - SCRATCH_TOP_LIBC_RNG_SEED_OFFSET + 1) as *mut u64
}
pub use arch::{scratch_base_gpa, scratch_base_gva};