diff --git a/boot/ficl/amd64/sysdep.c b/boot/ficl/amd64/sysdep.c
index 5957b71..5ffc758 100644
--- a/boot/ficl/amd64/sysdep.c
+++ b/boot/ficl/amd64/sysdep.c
@@ -14,6 +14,9 @@
 #include <stdlib.h>
 #else
 #include <stand.h>
+#if defined(__i386__) || defined(__x86_64__)
+#include <machine/cpufunc.h>
+#endif
 #endif
 #include "ficl.h"
 
@@ -77,6 +80,39 @@ void  ficlFree   (void *p)
     free(p);
 }
 
+#ifndef TESTMAIN
+#if defined(__i386__) || defined(__x86_64__)
+/* 
+ * outb ( port# c -- )
+ * Store a byte to I/O port number port#
+ */
+void
+ficlOutb(FICL_VM *pVM)
+{
+	u_char c;
+	u_int32_t port;
+
+	port=stackPopUNS(pVM->pStack);
+	c=(u_char)stackPopINT(pVM->pStack);
+	outb(port,c);
+}
+
+/*
+ * inb ( port# -- c )
+ * Fetch a byte from I/O port number port#
+ */
+void
+ficlInb(FICL_VM *pVM)
+{
+	u_char c;
+	u_int32_t port;
+
+	port=stackPopUNS(pVM->pStack);
+	c=inb(port);
+	stackPushINT(pVM->pStack,c);
+}
+#endif
+#endif
 
 /*
 ** Stub function for dictionary access control - does nothing
diff --git a/boot/ficl/ficl.h b/boot/ficl/ficl.h
index 6fe9e10..6dea13c 100644
--- a/boot/ficl/ficl.h
+++ b/boot/ficl/ficl.h
@@ -1113,7 +1113,7 @@ extern CELL dictIncrease;
 ** Various FreeBSD goodies
 */
 
-#if defined(__i386__) && !defined(TESTMAIN)
+#if (defined(__i386__) || defined(__x86_64__)) && !defined(TESTMAIN)
 extern void ficlOutb(FICL_VM *pVM);
 extern void ficlInb(FICL_VM *pVM);
 #endif
diff --git a/boot/ficl/i386/sysdep.c b/boot/ficl/i386/sysdep.c
index df0891d..5ffc758 100644
--- a/boot/ficl/i386/sysdep.c
+++ b/boot/ficl/i386/sysdep.c
@@ -14,7 +14,7 @@
 #include <stdlib.h>
 #else
 #include <stand.h>
-#ifdef __i386__
+#if defined(__i386__) || defined(__x86_64__)
 #include <machine/cpufunc.h>
 #endif
 #endif
@@ -81,7 +81,7 @@ void  ficlFree   (void *p)
 }
 
 #ifndef TESTMAIN
-#ifdef __i386__
+#if defined(__i386__) || defined(__x86_64__)
 /* 
  * outb ( port# c -- )
  * Store a byte to I/O port number port#
diff --git a/boot/ficl/loader.c b/boot/ficl/loader.c
index 6641438..5721997 100644
--- a/boot/ficl/loader.c
+++ b/boot/ficl/loader.c
@@ -921,7 +921,7 @@ void ficlCompilePlatform(FICL_SYSTEM *pSys)
     dictAppendWord(dp, "findfile",  ficlFindfile,   FW_DEFAULT);
     dictAppendWord(dp, "ccall",	    ficlCcall,	    FW_DEFAULT);
 #ifndef TESTMAIN
-#ifdef __i386__
+#if defined(__i386__) || defined(__x86_64__)
     dictAppendWord(dp, "outb",      ficlOutb,       FW_DEFAULT);
     dictAppendWord(dp, "inb",       ficlInb,        FW_DEFAULT);
 #endif