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-rw-r--r--src/arch/i386/prefix/pxeprefix.S9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/arch/i386/prefix/pxeprefix.S b/src/arch/i386/prefix/pxeprefix.S
index 8b485e48f..62b934842 100644
--- a/src/arch/i386/prefix/pxeprefix.S
+++ b/src/arch/i386/prefix/pxeprefix.S
@@ -691,6 +691,15 @@ run_etherboot:
/* Install Etherboot */
call install
+#ifdef PXELOADER_KEEP_UNDI
+ /* Copy our undi_device structure to the preloaded_undi variable */
+ movw %bx, %es
+ movw $preloaded_undi, %di
+ movw $undi_device, %si
+ movw $undi_device_size, %cx
+ rep movsb
+#endif
+
/* Jump to .text16 segment with %ds pointing to .data16*/
movw %bx, %ds
pushw %ax