Index: hwaccess.h
===================================================================
--- hwaccess.h	(revision 837)
+++ hwaccess.h	(working copy)
@@ -76,6 +76,19 @@
 #endif
 #endif
 
+#if defined(__NetBSD__) && (defined(__i386__) || defined(__x86_64__))
+  #include <sys/types.h>
+  #include <machine/sysarch.h>
+  #if defined(__i386__)
+    #define iopl i386_iopl
+  #elif defined(__x86_64__)
+    #define iopl x86_64_iopl
+  #endif
+  #include "pio.h"
+  #define off64_t off_t
+  #define lseek64 lseek
+#endif
+
 #if defined(__FreeBSD__) || defined(__DragonFly__)
 extern int io_fd;
 #endif
Index: Makefile
===================================================================
--- Makefile	(revision 837)
+++ Makefile	(working copy)
@@ -40,6 +40,10 @@
 CFLAGS += -I/usr/local/include
 LDFLAGS += -L/usr/local/lib
 endif
+ifeq ($(OS_ARCH), NetBSD)
+OS_MACHINE = $(shell uname -m)
+LIBS += -l$(OS_MACHINE) -lpciutils
+endif
 
 CHIP_OBJS = jedec.o stm50flw0x0x.o w39v080fa.o sharplhf00l04.o w29ee011.o \
 	sst28sf040.o am29f040b.o mx29f002.o m29f400bt.o pm29f002.o w39v040c.o \
Index: README
===================================================================
--- README	(revision 837)
+++ README	(working copy)
@@ -65,10 +65,10 @@
 
  gmake LDFLAGS="-L$pathtolibpci" CC="gcc -I$pathtopciheaders" CFLAGS=-O2
 
-To compile on DragonFly BSD, use:
+To compile on NetBSD or DragonFly BSD, use:
 
  ln -s /usr/pkg/include/pciutils pci
- gmake CFLAGS=-I. LDFLAGS="-L/usr/pkg/lib"
+ gmake CFLAGS=-I. LDFLAGS="-L/usr/pkg/lib -Wl,-rpath-link,/usr/pkg/lib"
 
 To compile and run on Darwin/Mac OS X:
 
Index: pio.h
===================================================================
--- pio.h	(revision 0)
+++ pio.h	(revision 0)
@@ -0,0 +1,52 @@
+/*
+ * This file is in the public domain.
+ */
+
+#ifndef __PIO_H__
+#define __PIO_H__
+
+#include <stdint.h>
+
+static inline void
+outb(uint8_t value, uint16_t port)
+{
+	asm volatile ("outb %b0,%w1": :"a" (value), "Nd" (port));
+}
+
+static inline uint8_t
+inb(uint16_t port)
+{
+	uint8_t value;
+	asm volatile ("inb %w1,%0":"=a" (value):"Nd" (port));
+	return value;
+}
+
+static inline void
+outw(uint16_t value, uint16_t port)
+{
+	asm volatile ("outw %w0,%w1": :"a" (value), "Nd" (port));
+}
+
+static inline uint16_t
+inw(uint16_t port)
+{
+	uint16_t value;
+	asm volatile ("inw %w1,%0":"=a" (value):"Nd" (port));
+	return value;
+}
+
+static inline void
+outl(uint32_t value, uint16_t port)
+{
+	asm volatile ("outl %0,%w1": :"a" (value), "Nd" (port));
+}
+
+static inline uint32_t
+inl(uint16_t port)
+{
+	uint32_t value;
+	asm volatile ("inl %1,%0":"=a" (value):"Nd" (port));
+	return value;
+}
+
+#endif /* !__PIO_H__ */