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-rw-r--r--src/arch/i386/prefix/romprefix.S2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/arch/i386/prefix/romprefix.S b/src/arch/i386/prefix/romprefix.S
index 777b9e04..27b1627f 100644
--- a/src/arch/i386/prefix/romprefix.S
+++ b/src/arch/i386/prefix/romprefix.S
@@ -775,7 +775,9 @@ exec: /* Set %ds = %cs */
/* Store PCI bus:dev.fn, if applicable */
.ifeqs BUSTYPE, "PCIR"
+#ifdef AUTOBOOT_ROM_FILTER
movw %ax, autoboot_busdevfn
+#endif /* AUTOBOOT_ROM_FILTER */
.endif
/* Call main() */