platform/tdp: Error on !VTOM

VTOM shall never be 0 on TDP platforms. Return an error if this is the case. Signed-off-by: Peter Fang <[email protected]>
coconut-svsm · Nov 14, 2024 · bf1e886 · bf1e886
1 parent dfaf7f0
commit bf1e886
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/kernel/src/platform/tdp.rs b/kernel/src/platform/tdp.rs
@@ -44,6 +44,9 @@ impl SvsmPlatform for TdpPlatform {
     }
 
     fn env_setup(&mut self, debug_serial_port: u16, vtom: usize) -> Result<(), SvsmError> {
+        if vtom == 0 {
+            return Err(SvsmError::PlatformInit);
+        }
         VTOM.init(&vtom).map_err(|_| SvsmError::PlatformInit)?;
         // Serial console device can be initialized immediately
         init_svsm_console(&GHCI_IO_DRIVER, debug_serial_port)