Merge pull request #439 from roy-hopkins/fix_stage1

stage1: Fix boot issue where %esi was wrong on stage2 entry
coconut-svsm · Aug 16, 2024 · def188b · def188b
2 parents 6103334 + 5223a55
commit def188b
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/stage1/stage1.S b/stage1/stage1.S
@@ -73,6 +73,9 @@ startup_32:
 	/* Reserve space for VTOM */
 	pushl	%eax
 	pushl	%eax
+
+	/* Clear ESI to inform stage 2 that this is the BSP */
+	xorl	%esi, %esi
 #else
 	/*
 	 * Stage 2 launch info has been prepared