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tool: generate page tables for EL1 support #514

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Merged
midnightveil merged 1 commit into from
Jun 4, 2026
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Merged

tool: generate page tables for EL1 support #514

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5 changes: 4 additions & 1 deletion tool/microkit/src/loader.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -870,11 +870,14 @@ impl<'a> Loader<'a> {
boot_lvl2_lower[start..end].copy_from_slice(&pt_entry.to_le_bytes());
}

let boot_lvl0_upper: [u8; PAGE_TABLE_SIZE] = [0; PAGE_TABLE_SIZE];
let mut boot_lvl0_upper: [u8; PAGE_TABLE_SIZE] = [0; PAGE_TABLE_SIZE];
{
let pt_entry = aarch64::table_descriptor(boot_lvl1_upper_addr);
let idx = aarch64::lvl0_index(first_vaddr);
// For EL2.
boot_lvl0_lower[8 * idx..8 * (idx + 1)].copy_from_slice(&pt_entry.to_le_bytes());
// For EL1.
boot_lvl0_upper[8 * idx..8 * (idx + 1)].copy_from_slice(&pt_entry.to_le_bytes());
}

let mut boot_lvl1_upper: [u8; PAGE_TABLE_SIZE] = [0; PAGE_TABLE_SIZE];
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