From 750096a9238f52a311c725e01747085af4b6bab0 Mon Sep 17 00:00:00 2001
From: Simon Kuenzer <simon@unikraft.io>
Date: Fri, 11 Aug 2023 15:10:37 +0200
Subject: [PATCH] plat/kvm: Add configuration hint for EFI

Adds an hint in `menuconfig` that appears if the configuration dependencies
are not met for building a QEMU image compatible to boot from an EFI
firmware.

Signed-off-by: Simon Kuenzer <simon@unikraft.io>
Reviewed-by: Sergiu Moga <sergiu@unikraft.io>
Approved-by: Razvan Deaconescu <razvand@unikraft.io>
Tested-by: Unikraft CI <monkey@unikraft.io>
GitHub-Closes: #1038
---
 plat/kvm/Config.uk | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/plat/kvm/Config.uk b/plat/kvm/Config.uk
index 14369a213..7ac949a27 100644
--- a/plat/kvm/Config.uk
+++ b/plat/kvm/Config.uk
@@ -15,7 +15,7 @@ menuconfig PLAT_KVM
 if (PLAT_KVM)
 
 choice
-	prompt "Booting environment"
+	prompt "Boot protocol"
 
 config KVM_BOOT_PROTO_MULTIBOOT
 	bool "Multiboot"
@@ -43,6 +43,8 @@ config KVM_BOOT_EFI_STUB
 	help
 		Make Unikraft bootable by UEFI firmware
 
+comment "Hint: EFI stub depends on OPTIMIZE_PIE"
+	depends on !OPTIMIZE_PIE && !KVM_VMM_FIRECRACKER
 endchoice
 
 if KVM_BOOT_EFI_STUB
-- 
2.39.5