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Store ahci hba and pci device header as mut references

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Drew Galbraith 2025-01-31 21:38:06 -08:00
parent 04effd44f8
commit 017367c4de
3 changed files with 38 additions and 59 deletions
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13
rust/lib/mammoth/src/mem.rs
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@ -153,6 +153,19 @@ where
}
}
pub fn map_cap_and_leak(mem_cap: Capability) -> u64 {
let vaddr = syscall::address_space_map(&mem_cap).unwrap();
mem_cap.release();
vaddr
}
pub fn map_direct_physical_and_leak(paddr: u64, size: u64) -> u64 {
let mem_cap = syscall::memory_object_direct_physical(paddr, size).unwrap();
let vaddr = syscall::address_space_map(&mem_cap).unwrap();
mem_cap.release();
vaddr
}
pub fn map_physical_and_leak(size: u64) -> (u64, u64) {
let (mem_cap, paddr) = syscall::memory_object_contiguous_physical(size).unwrap();
let vaddr = syscall::address_space_map(&mem_cap).unwrap();