mirrors/krata
1
0
Fork 0
mirror of https://github.com/edera-dev/krata.git synced 2025-08-05 14:11:32 +00:00
Code Issues Packages Projects Releases Wiki Activity

fix memory initialization in boot setup

Browse Source
This commit is contained in:
Alex Zenla
2024-01-10 22:42:26 -08:00
parent 629c3d81b0
commit 38a5718ca6
4 changed files with 49 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
xencall/src/memory.rs
View File

@ -1,8 +1,11 @@
use crate::sys::{MemoryReservation, HYPERVISOR_MEMORY_OP, XEN_MEM_POPULATE_PHYSMAP};
use crate::sys::{
MemoryReservation, MultiCallEntry, HYPERVISOR_MEMORY_OP, XEN_MEM_POPULATE_PHYSMAP,
};
use crate::{XenCall, XenCallError};
use std::ffi::c_ulong;
use libc::c_long;
use std::ptr::addr_of_mut;
pub struct MemoryControl<'a> {
@ -30,12 +33,21 @@ impl MemoryControl<'_> {
mem_flags,
domid: domid as u16,
};
let code = self.call.hypercall2(
HYPERVISOR_MEMORY_OP,
XEN_MEM_POPULATE_PHYSMAP as c_ulong,
addr_of_mut!(reservation) as c_ulong,
)?;
let calls = &mut [MultiCallEntry {
op: HYPERVISOR_MEMORY_OP,
result: 0,
args: [
XEN_MEM_POPULATE_PHYSMAP as c_ulong,
addr_of_mut!(reservation) as c_ulong,
0,
0,
0,
0,
],
}];
self.call.multicall(calls)?;
let code = calls[0].result as c_long;
if code < 0 {
return Err(XenCallError::new("failed to populate physmap"));
}