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-rw-r--r--src/arch/i386/include/arch/romcc_io.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/arch/i386/include/arch/romcc_io.h b/src/arch/i386/include/arch/romcc_io.h
index f460a36f4d..f8618b0e76 100644
--- a/src/arch/i386/include/arch/romcc_io.h
+++ b/src/arch/i386/include/arch/romcc_io.h
@@ -1,3 +1,6 @@
+#ifndef ARCH_ROMCC_IO_H
+#define ARCH_ROMCC_IO_H 1
+
static void outb(unsigned char value, unsigned short port)
{
__builtin_outb(value, port);
@@ -182,3 +185,4 @@ static device_t pci_locate_device(unsigned pci_id, device_t dev)
return PCI_DEV_INVALID;
}
+#endif /* ARCH_ROMCC_IO_H */