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vmm: make RSDP address optional in configure_system

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Change configure_system to take an Option<GuestAddress>
since rsdp is wrapped into an option anyways (we use configure
system to setup the mptables).

Co-authored-by: Keith Adler <kadler@cloudflare.com>
Signed-off-by: Keith Adler <kadler@cloudflare.com>
Co-authored-by: Alex Orozco <aorozco@google.com>
Signed-off-by: Alex Orozco <aorozco@google.com>
Signed-off-by: Ruben Hakobyan <hruben@meta.com>
This commit is contained in:
Ruben Hakobyan
2026-04-07 18:39:37 -07:00
committed by Rob Bradford
parent b545b2fc4e
commit 7d65187350
1 changed files with 11 additions and 13 deletions
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24
vmm/src/vm.rs
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@@ -1676,7 +1676,11 @@ impl Vm {
}
#[cfg(target_arch = "x86_64")]
fn configure_system(&mut self, rsdp_addr: GuestAddress, entry_addr: EntryPoint) -> Result<()> {
fn configure_system(
&mut self,
rsdp_addr: Option<GuestAddress>,
entry_addr: EntryPoint,
) -> Result<()> {
trace_scoped!("configure_system");
info!("Configuring system");
let mem = self.memory_manager.lock().unwrap().boot_guest_memory();
@@ -1687,7 +1691,6 @@ impl Vm {
};
let boot_vcpus = self.cpu_manager.lock().unwrap().boot_vcpus();
let rsdp_addr = Some(rsdp_addr);
let serial_number = self
.config
@@ -1739,7 +1742,7 @@ impl Vm {
#[cfg(target_arch = "aarch64")]
fn configure_system(
&mut self,
_rsdp_addr: GuestAddress,
_rsdp_addr: Option<GuestAddress>,
_entry_addr: EntryPoint,
) -> Result<()> {
let cmdline = Self::generate_cmdline(
@@ -2776,16 +2779,11 @@ impl Vm {
let rsdp_addr = self.create_acpi_tables();
#[cfg(not(target_arch = "riscv64"))]
{
#[cfg(not(any(feature = "sev_snp", feature = "tdx")))]
assert!(rsdp_addr.is_some());
// Configure shared state based on loaded kernel
if let Some(rsdp_adr) = rsdp_addr {
entry_point
.map(|entry_point| self.configure_system(rsdp_adr, entry_point))
.transpose()?;
}
}
// Configure shared state based on loaded kernel
entry_point
.map(|entry_point| self.configure_system(rsdp_addr, entry_point))
.transpose()?;
#[cfg(target_arch = "riscv64")]
self.configure_system().unwrap();