Additional changes to validate page table setup and multiple sandbox sizes#1119
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simongdavies merged 1 commit intohyperlight-dev:mainfrom Dec 15, 2025
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…sizes Signed-off-by: Simon Davies <simongdavies@users.noreply.github.com>
jprendes
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Dec 15, 2025
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| /// Verify a range of pages all have the same expected flags | ||
| fn verify_page_range( |
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This is very x86_64 specific, can we gate it?
#[cfg(target_arch = "x86_64")]
| let p = addr >> 21; | ||
| let i = (addr >> 12) & 0x1ff; | ||
| let pte_idx = p * 512 + i; | ||
| let offset = SandboxMemoryLayout::PT_OFFSET + (pte_idx * 8); |
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This assumes <1Gb of memory, which is currently true.
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Adds some tests to help validate paging setup changes that are part of the COW work