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Make unsafe more limited in memory initialization.

This commit is contained in:
Drew Galbraith 2024-07-28 19:29:23 -07:00
parent d35e8d253f
commit 4d94bc0ea8
1 changed files with 10 additions and 11 deletions
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21
rust/lib/mammoth/src/mem.rs
View File

@ -19,18 +19,17 @@ pub fn init_heap() {
syscall::syscall(zion::kZionMemoryObjectCreate, &obj_req)
.expect("Failed to create memory object");
unsafe {
let mut vaddr: u64 = 0;
let vmas_req = zion::ZAddressSpaceMapReq {
vmmo_cap,
vmas_cap: SELF_VMAS_CAP,
align: 0x2000,
vaddr: &mut vaddr as *mut u64,
vmas_offset: 0,
};
let mut vaddr: u64 = 0;
let vmas_req = zion::ZAddressSpaceMapReq {
vmmo_cap,
vmas_cap: unsafe { SELF_VMAS_CAP },
align: 0x2000,
vaddr: &mut vaddr as *mut u64,
vmas_offset: 0,
};
syscall::syscall(zion::kZionAddressSpaceMap, &vmas_req)
.expect("Failed to map memory object");
syscall::syscall(zion::kZionAddressSpaceMap, &vmas_req).expect("Failed to map memory object");
unsafe {
ALLOCATOR.lock().init(vaddr as *mut u8, size as usize);
CAN_ALLOC = true;
}