From 430fea5338d70add80038806d7b730d1ceea1af9 Mon Sep 17 00:00:00 2001
From: Philippe Teuwen <phil@teuwen.org>
Date: Wed, 19 Aug 2026 11:58:30 +0200
Subject: [PATCH] Guard fpga config flash mode with capability

---
 client/src/cmdfpga.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/client/src/cmdfpga.c b/client/src/cmdfpga.c
index d720d65b3..0523fcc23 100644
--- a/client/src/cmdfpga.c
+++ b/client/src/cmdfpga.c
@@ -33,6 +33,11 @@ static int CmdConfigFpga(const char *Cmd) {
 
     CLIParserFree(ctx);
 
+    if ((! sram_mode) && (! IfFpgaFlash())) {
+        PrintAndLogEx(WARNING, "This device does not support FPGA flash configuration");
+        return PM3_ENOTIMPL;
+    }
+
     // Check if file name is provided
     if (fnlen == 0) {
         PrintAndLogEx(WARNING, "No file specified");