[ipxe-devel] [PATCH] [libprefix] Use correct register for physical address conversion

Daniel Pieczko dpieczko at solarflare.com
Wed Aug 12 10:45:58 UTC 2015

Signed-off-by: Daniel Pieczko <dpieczko at solarflare.com>
 src/arch/i386/prefix/libprefix.S | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/arch/i386/prefix/libprefix.S b/src/arch/i386/prefix/libprefix.S
index c514dac..a7c5c9a 100644
--- a/src/arch/i386/prefix/libprefix.S
+++ b/src/arch/i386/prefix/libprefix.S
@@ -460,11 +460,11 @@ process_bytes:

        /* Convert %ds:esi and %es:edi back to physical addresses */
        xorl    %eax, %eax
-       movw    %ds, %cx
+       movw    %ds, %ax
        shll    $4, %eax
        addl    %eax, %esi
        xorl    %eax, %eax
-       movw    %es, %cx
+       movw    %es, %ax
        shll    $4, %eax
        addl    %eax, %edi

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