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td-payload: check the size for init_shared_memory #663

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Mar 4, 2024
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td-payload: check the size for init_shared_memory #663

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4 changes: 4 additions & 0 deletions td-payload/src/mm/shared.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,10 @@ use crate::arch::shared::decrypt;
static SHARED_MEMORY_ALLOCATOR: LockedHeap = LockedHeap::empty();

pub fn init_shared_memory(start: u64, size: usize) {
if size % SIZE_4K != 0 {
panic!("Failed to initialize shared memory: size needs to be aligned with 0x1000");
}

// Set the shared memory region to be shared
decrypt(start, size);
// Initialize the shared memory allocator
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