diff --git a/82802ab.c b/82802ab.c
index 819d971..99776a1 100644
--- a/82802ab.c
+++ b/82802ab.c
@@ -26,7 +26,6 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <sys/mman.h>
-#include <sys/io.h>
 #include <unistd.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -83,7 +82,7 @@
 			    flash->fd_mem, (off_t) (0 - 0x400000 - size));
 		if (bios == MAP_FAILED) {
 			// it's this part but we can't map it ...
-			perror("Error MMAP /dev/mem");
+			perror("Error MMAP memory using " MEM_DEV );
 			exit(1);
 		}
 
diff --git a/Makefile b/Makefile
index debbe9b..681dddd 100644
--- a/Makefile
+++ b/Makefile
@@ -12,8 +12,13 @@
 PREFIX  = /usr/local
 #CFLAGS  = -O2 -g -Wall -Werror
 CFLAGS  = -Os -Wall -Werror -DDISABLE_DOC # -DTS5300
+OS_ARCH	= $(shell uname)
+ifeq ($(OS_ARCH), SunOS)
+LDFLAGS = -lpci -lz
+else
 LDFLAGS = -lpci -lz -static 
-
+STRIP_ARGS = -s
+endif
 
 OBJS  = flash_enable.o udelay.o jedec.o sst28sf040.o am29f040b.o mx29f002.o  \
 	sst39sf020.o m29f400bt.o w49f002u.o 82802ab.o msys_doc.o pm49fl004.o \
@@ -24,7 +29,7 @@
 
 $(PROGRAM): $(OBJS)
 	$(CC) -o $(PROGRAM) $(OBJS) $(LDFLAGS)
-	$(STRIP) -s $(PROGRAM)
+	$(STRIP) $(STRIP_ARGS) $(PROGRAM)
 
 clean:
 	rm -f *.o *~
diff --git a/flash.h b/flash.h
index f98bcb6..d855e41 100644
--- a/flash.h
+++ b/flash.h
@@ -1,7 +1,34 @@
+/*
+ * flash.h: flash programming utility - central include file
+ *
+ * Copyright 2000 Silicon Integrated System Corporation
+ * Copyright 2000 Ronald G. Minnich <rminnich@gmail.com>
+ * Copyright 2005 coresystems GmbH <stepan@coresystems.de>
+ * 
+ *	This program is free software; you can redistribute it and/or modify
+ *	it under the terms of the GNU General Public License as published by
+ *	the Free Software Foundation; either version 2 of the License, or
+ *	(at your option) any later version.
+ *
+ *	This program is distributed in the hope that it will be useful,
+ *	but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *	GNU General Public License for more details.
+ *
+ *	You should have received a copy of the GNU General Public License
+ *	along with this program; if not, write to the Free Software
+ *	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
 #ifndef __FLASH_H__
 #define __FLASH_H__ 1
 
+#if defined(__GLIBC__)
 #include <sys/io.h>
+#endif
+
 #include <unistd.h>
 #include <stdint.h>
 
@@ -92,7 +119,18 @@
 #define S29C51004T	  0x03  /* SyncMOS S29C51004T/B */
 #define S29C31004T	  0x63  /* SyncMOS S29C31004T */
 
+/* function prototypes from udelay.h */
+
 extern void myusec_delay(int time);
 extern void myusec_calibrate_delay();
 extern int enable_flash_write(void);
+
+/* physical memory mapping device */
+
+#if defined (__sun) && (defined(__i386) || defined(__amd64))
+#  define MEM_DEV "/dev/xsvc"
+#else
+#  define MEM_DEV "/dev/mem"
+#endif
+
 #endif				/* !__FLASH_H__ */
diff --git a/flash_enable.c b/flash_enable.c
index 743fe25..82dab1a 100644
--- a/flash_enable.c
+++ b/flash_enable.c
@@ -11,12 +11,18 @@
  *
  */
 
-#include <sys/io.h>
 #include <stdio.h>
 #include <pci/pci.h>
 #include <stdlib.h>
 #include <stdint.h>
 #include <string.h>
+#if defined (__sun) && (defined(__i386) || defined(__amd64))
+#include <strings.h>
+#include <sys/sysi86.h>
+#include <sys/psw.h>
+#include <asm/sunddi.h>
+#endif
+#include "flash.h"
 #include "lbtable.h"
 #include "debug.h"
 
@@ -27,12 +33,6 @@
 {
 	char b;
 
-	/* get io privilege access PCI configuration space */
-	if (iopl(3) != 0) {
-		perror("Can not set io priviliage");
-		exit(1);
-	}
-
 	/* Enable 0xFFF8000~0xFFFF0000 decoding on SiS 540/630 */
 	outl(0x80000840, 0x0cf8);
 	b = inb(0x0cfc) | 0x0b;
@@ -164,12 +164,6 @@
 	unsigned int base;
 	int ok;
 
-	/* get io privilege access PCI configuration space */
-	if (iopl(3) != 0) {
-		perror("Can not set io priviliage");
-		exit(1);
-	}
-
 	old = pci_read_byte(dev, 0x40);
 
 	new = old | 0x10;
@@ -347,12 +341,6 @@
 	struct pci_filter f;
 	struct pci_dev *smbusdev;
 
-	/* get io privilege access */
-	if (iopl(3) != 0) {
-		perror("Can not set io priviliage");
-		exit(1);
-	}
-
 	/* then look for the smbus device */
 	pci_filter_init((struct pci_access *) 0, &f);
 	f.vendor = 0x1002;
@@ -491,12 +479,6 @@
  *  connected to the WinBond w83627hf GPIO 24.
  */
 
-	/* get io privilege access winbond config space */
-	if (iopl(3) != 0) {
-		perror("Can not set io priviliage");
-		exit(1);
-	}
-	
 	printf("Disabling mainboard flash write protection.\n");
 
 	outb(0x87, EFIR); // sequence to unlock extended functions
@@ -552,6 +534,18 @@
 	struct pci_dev *dev = 0;
 	FLASH_ENABLE *enable = 0;
 
+	/* get io privilege access PCI configuration space */
+#if defined (__sun) && (defined(__i386) || defined(__amd64))
+	if (sysi86(SI86V86, V86SC_IOPL, PS_IOPL) != 0){
+#else
+	if (iopl(3) != 0) {
+#endif
+		perror("Can not set io privilege");
+		exit(1);
+	}
+
+
+	/* Initialize PCI access */
 	pacc = pci_alloc();	/* Get the pci_access structure */
 	/* Set all options you want -- here we stick with the defaults */
 	pci_init(pacc);		/* Initialize the PCI library */
diff --git a/flash_rom.c b/flash_rom.c
index b1ca7b3..ac530d0 100644
--- a/flash_rom.c
+++ b/flash_rom.c
@@ -52,8 +52,8 @@
 	volatile uint8_t *bios;
 	unsigned long size;
 
-	if ((fd_mem = open("/dev/mem", O_RDWR)) < 0) {
-		perror("Error: Can not open /dev/mem. You need to be root.");
+	if ((fd_mem = open(MEM_DEV, O_RDWR)) < 0) {
+		perror("Error: Can not access memory using " MEM_DEV ". You need to be root.");
 		exit(1);
 	}
 
diff --git a/lbtable.c b/lbtable.c
index f982672..82119b1 100644
--- a/lbtable.c
+++ b/lbtable.c
@@ -7,6 +7,7 @@
 #include <string.h>
 #include <errno.h>
 #include <sys/mman.h>
+#include "flash.h"
 #include "../../src/include/boot/linuxbios_tables.h"
 #include "debug.h"
 
@@ -158,14 +159,14 @@
 	struct lb_record *rec, *last;
 	
 	int fd;
-	fd = open("/dev/mem", O_RDONLY);
+	fd = open(MEM_DEV, O_RDONLY);
 	if (fd < 0) {
-		fprintf(stderr, "Can not open /dev/mem\n");
+		fprintf(stderr, "Can not access memory using " MEM_DEV "\n");
 		exit(-1);
 	}
 	low_1MB = mmap(0, 1024*1024, PROT_READ, MAP_SHARED, fd, 0x00000000);
 	if (low_1MB == ((void *) -1)) {
-		fprintf(stderr, "Can not mmap /dev/mem at %08lx errno(%d):%s\n",
+		fprintf(stderr, "Can not mmap " MEM_DEV " at %08lx errno(%d):%s\n",
 			0x00000000UL, errno, strerror(errno));
 		exit(-2);
 	}
diff --git a/sharplhf00l04.c b/sharplhf00l04.c
index 029702b..af65585 100644
--- a/sharplhf00l04.c
+++ b/sharplhf00l04.c
@@ -25,7 +25,6 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <sys/mman.h>
-#include <sys/io.h>
 #include <unistd.h>
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/sst49lfxxxc.c b/sst49lfxxxc.c
index cd29d0b..4486186 100644
--- a/sst49lfxxxc.c
+++ b/sst49lfxxxc.c
@@ -28,11 +28,11 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <sys/mman.h>
-#include <sys/io.h>
 #include <unistd.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdint.h>
+
 #include "flash.h"
 #include "jedec.h"
 #include "debug.h"
diff --git a/sst_fwhub.c b/sst_fwhub.c
index 8b62e7f..34a59da 100644
--- a/sst_fwhub.c
+++ b/sst_fwhub.c
@@ -23,7 +23,6 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <sys/mman.h>
-#include <sys/io.h>
 #include <unistd.h>
 #include <stdio.h>
 #include <stdlib.h>