FreeBSD definitions of (read|write)[bwl] collide with our own

Before we attempt trickery, we can simply rename the accessor functions.

Patch created with the help of Coccinelle.

Corresponding to flashrom svn r420 and coreboot v2 svn r3984.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Idwer Vollering <idwer_v@hotmail.com>
Acked-by: Patrick Georgi <patrick@georgi-clan.de>
diff --git a/82802ab.c b/82802ab.c
index 9bbee8d..0d071d4 100644
--- a/82802ab.c
+++ b/82802ab.c
@@ -49,23 +49,23 @@
 	uint8_t id1, id2;
 
 #if 0
-	writeb(0xAA, bios + 0x5555);
-	writeb(0x55, bios + 0x2AAA);
-	writeb(0x90, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
+	chip_writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0x90, bios + 0x5555);
 #endif
 
-	writeb(0xff, bios);
+	chip_writeb(0xff, bios);
 	myusec_delay(10);
-	writeb(0x90, bios);
+	chip_writeb(0x90, bios);
 	myusec_delay(10);
 
-	id1 = readb(bios);
-	id2 = readb(bios + 0x01);
+	id1 = chip_readb(bios);
+	id2 = chip_readb(bios + 0x01);
 
 	/* Leave ID mode */
-	writeb(0xAA, bios + 0x5555);
-	writeb(0x55, bios + 0x2AAA);
-	writeb(0xF0, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
+	chip_writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0xF0, bios + 0x5555);
 
 	myusec_delay(10);
 
@@ -84,25 +84,25 @@
 	uint8_t status;
 	uint8_t id1, id2;
 
-	writeb(0x70, bios);
-	if ((readb(bios) & 0x80) == 0) {	// it's busy
-		while ((readb(bios) & 0x80) == 0) ;
+	chip_writeb(0x70, bios);
+	if ((chip_readb(bios) & 0x80) == 0) {	// it's busy
+		while ((chip_readb(bios) & 0x80) == 0) ;
 	}
 
-	status = readb(bios);
+	status = chip_readb(bios);
 
 	// put another command to get out of status register mode
 
-	writeb(0x90, bios);
+	chip_writeb(0x90, bios);
 	myusec_delay(10);
 
-	id1 = readb(bios);
-	id2 = readb(bios + 0x01);
+	id1 = chip_readb(bios);
+	id2 = chip_readb(bios + 0x01);
 
 	// this is needed to jam it out of "read id" mode
-	writeb(0xAA, bios + 0x5555);
-	writeb(0x55, bios + 0x2AAA);
-	writeb(0xF0, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
+	chip_writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0xF0, bios + 0x5555);
 
 	return status;
 }
@@ -115,23 +115,23 @@
 	uint8_t status;
 
 	// clear status register
-	writeb(0x50, bios);
+	chip_writeb(0x50, bios);
 	//printf("Erase at %p\n", bios);
 	// clear write protect
 	//printf("write protect is at %p\n", (wrprotect));
 	//printf("write protect is 0x%x\n", *(wrprotect));
-	writeb(0, wrprotect);
+	chip_writeb(0, wrprotect);
 	//printf("write protect is 0x%x\n", *(wrprotect));
 
 	// now start it
-	writeb(0x20, bios);
-	writeb(0xd0, bios);
+	chip_writeb(0x20, bios);
+	chip_writeb(0xd0, bios);
 	myusec_delay(10);
 	// now let's see what the register is
 	status = wait_82802ab(flash->virtual_memory);
 	//print_82802ab_status(status);
 	for (j = 0; j < flash->page_size; j++) {
-		if (readb(bios + j) != 0xFF) {
+		if (chip_readb(bios + j) != 0xFF) {
 			printf("BLOCK ERASE failed at 0x%x\n", offset);
 			return -1;
 		}
@@ -162,8 +162,8 @@
 
 	for (i = 0; i < page_size; i++) {
 		/* transfer data from source to destination */
-		writeb(0x40, dst);
-		writeb(*src++, dst++);
+		chip_writeb(0x40, dst);
+		chip_writeb(*src++, dst++);
 		wait_82802ab(bios);
 	}
 }
diff --git a/am29f040b.c b/am29f040b.c
index 78f417f..87e9c70 100644
--- a/am29f040b.c
+++ b/am29f040b.c
@@ -25,12 +25,12 @@
 static __inline__ int erase_sector_29f040b(volatile uint8_t *bios,
 					   unsigned long address)
 {
-	writeb(0xAA, bios + 0x555);
-	writeb(0x55, bios + 0x2AA);
-	writeb(0x80, bios + 0x555);
-	writeb(0xAA, bios + 0x555);
-	writeb(0x55, bios + 0x2AA);
-	writeb(0x30, bios + address);
+	chip_writeb(0xAA, bios + 0x555);
+	chip_writeb(0x55, bios + 0x2AA);
+	chip_writeb(0x80, bios + 0x555);
+	chip_writeb(0xAA, bios + 0x555);
+	chip_writeb(0x55, bios + 0x2AA);
+	chip_writeb(0x30, bios + address);
 
 	sleep(2);
 
@@ -52,10 +52,10 @@
 			printf("0x%08lx", (unsigned long)dst -
 			       (unsigned long)bios);
 
-		writeb(0xAA, bios + 0x555);
-		writeb(0x55, bios + 0x2AA);
-		writeb(0xA0, bios + 0x555);
-		writeb(*src++, dst++);
+		chip_writeb(0xAA, bios + 0x555);
+		chip_writeb(0x55, bios + 0x2AA);
+		chip_writeb(0xA0, bios + 0x555);
+		chip_writeb(*src++, dst++);
 
 		/* wait for Toggle bit ready */
 		toggle_ready_jedec(bios);
@@ -72,14 +72,14 @@
 	volatile uint8_t *bios = flash->virtual_memory;
 	uint8_t id1, id2;
 
-	writeb(0xAA, bios + 0x555);
-	writeb(0x55, bios + 0x2AA);
-	writeb(0x90, bios + 0x555);
+	chip_writeb(0xAA, bios + 0x555);
+	chip_writeb(0x55, bios + 0x2AA);
+	chip_writeb(0x90, bios + 0x555);
 
-	id1 = readb(bios);
-	id2 = readb(bios + 0x01);
+	id1 = chip_readb(bios);
+	id2 = chip_readb(bios + 0x01);
 
-	writeb(0xF0, bios);
+	chip_writeb(0xF0, bios);
 
 	myusec_delay(10);
 
@@ -94,12 +94,12 @@
 {
 	volatile uint8_t *bios = flash->virtual_memory;
 
-	writeb(0xAA, bios + 0x555);
-	writeb(0x55, bios + 0x2AA);
-	writeb(0x80, bios + 0x555);
-	writeb(0xAA, bios + 0x555);
-	writeb(0x55, bios + 0x2AA);
-	writeb(0x10, bios + 0x555);
+	chip_writeb(0xAA, bios + 0x555);
+	chip_writeb(0x55, bios + 0x2AA);
+	chip_writeb(0x80, bios + 0x555);
+	chip_writeb(0xAA, bios + 0x555);
+	chip_writeb(0x55, bios + 0x2AA);
+	chip_writeb(0x10, bios + 0x555);
 
 	myusec_delay(10);
 	toggle_ready_jedec(bios);
diff --git a/en29f002a.c b/en29f002a.c
index 41dac7f..7a8c7f7 100644
--- a/en29f002a.c
+++ b/en29f002a.c
@@ -35,19 +35,19 @@
 	volatile uint8_t *bios = flash->virtual_memory;
 	uint8_t id1, id2;
 
-	writeb(0xAA, bios + 0x555);
-	writeb(0x55, bios + 0x2AA);
-	writeb(0x90, bios + 0x555);
+	chip_writeb(0xAA, bios + 0x555);
+	chip_writeb(0x55, bios + 0x2AA);
+	chip_writeb(0x90, bios + 0x555);
 
 	myusec_delay(10);
 
-	id1 = readb(bios + 0x100);
-	id2 = readb(bios + 0x101);
+	id1 = chip_readb(bios + 0x100);
+	id2 = chip_readb(bios + 0x101);
 
 	/* exit by writing F0 anywhere? or the code below */
-	writeb(0xAA, bios + 0x555);
-	writeb(0x55, bios + 0x2AA);
-	writeb(0xF0, bios + 0x555);
+	chip_writeb(0xAA, bios + 0x555);
+	chip_writeb(0x55, bios + 0x2AA);
+	chip_writeb(0xF0, bios + 0x555);
 
 	printf_debug("%s: id1 0x%02x, id2 0x%02x\n", __FUNCTION__, id1, id2);
 
@@ -68,19 +68,19 @@
 	volatile uint8_t *bios = flash->virtual_memory;
 	uint8_t id1, id2;
 
-	writeb(0xAA, bios + 0x555);
-	writeb(0x55, bios + 0xAAA);
-	writeb(0x90, bios + 0x555);
+	chip_writeb(0xAA, bios + 0x555);
+	chip_writeb(0x55, bios + 0xAAA);
+	chip_writeb(0x90, bios + 0x555);
 
 	myusec_delay(10);
 
-	id1 = readb(bios + 0x100);
-	id2 = readb(bios + 0x101);
+	id1 = chip_readb(bios + 0x100);
+	id2 = chip_readb(bios + 0x101);
 
 	/* exit by writing F0 anywhere? or the code below */
-	writeb(0xAA, bios + 0x555);
-	writeb(0x55, bios + 0xAAA);
-	writeb(0xF0, bios + 0x555);
+	chip_writeb(0xAA, bios + 0x555);
+	chip_writeb(0x55, bios + 0xAAA);
+	chip_writeb(0xF0, bios + 0x555);
 
 	printf_debug("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2);
 
@@ -107,10 +107,10 @@
 		/* write to the sector */
 		if ((i & 0xfff) == 0)
 			printf("address: 0x%08lx", (unsigned long)i);
-		writeb(0xAA, bios + 0x5555);
-		writeb(0x55, bios + 0x2AAA);
-		writeb(0xA0, bios + 0x5555);
-		writeb(*buf++, dst++);
+		chip_writeb(0xAA, bios + 0x5555);
+		chip_writeb(0x55, bios + 0x2AAA);
+		chip_writeb(0xA0, bios + 0x5555);
+		chip_writeb(*buf++, dst++);
 
 		/* wait for Toggle bit ready */
 		toggle_ready_jedec(dst);
diff --git a/flash.h b/flash.h
index b33e133..38f3bcb 100644
--- a/flash.h
+++ b/flash.h
@@ -58,32 +58,32 @@
   #define INL  inl
 #endif
 
-static inline void writeb(uint8_t b, volatile void *addr)
+static inline void chip_writeb(uint8_t b, volatile void *addr)
 {
 	*(volatile uint8_t *) addr = b;
 }
 
-static inline void writew(uint16_t b, volatile void *addr)
+static inline void chip_writew(uint16_t b, volatile void *addr)
 {
 	*(volatile uint16_t *) addr = b;
 }
 
-static inline void writel(uint32_t b, volatile void *addr)
+static inline void chip_writel(uint32_t b, volatile void *addr)
 {
 	*(volatile uint32_t *) addr = b;
 }
 
-static inline uint8_t readb(const volatile void *addr)
+static inline uint8_t chip_readb(const volatile void *addr)
 {
 	return *(volatile uint8_t *) addr;
 }
 
-static inline uint16_t readw(const volatile void *addr)
+static inline uint16_t chip_readw(const volatile void *addr)
 {
 	return *(volatile uint16_t *) addr;
 }
 
-static inline uint32_t readl(const volatile void *addr)
+static inline uint32_t chip_readl(const volatile void *addr)
 {
 	return *(volatile uint32_t *) addr;
 }
diff --git a/jedec.c b/jedec.c
index 5403297..ac6095b 100644
--- a/jedec.c
+++ b/jedec.c
@@ -40,10 +40,10 @@
 	unsigned int i = 0;
 	uint8_t tmp1, tmp2;
 
-	tmp1 = readb(dst) & 0x40;
+	tmp1 = chip_readb(dst) & 0x40;
 
 	while (i++ < 0xFFFFFFF) {
-		tmp2 = readb(dst) & 0x40;
+		tmp2 = chip_readb(dst) & 0x40;
 		if (tmp1 == tmp2) {
 			break;
 		}
@@ -59,7 +59,7 @@
 	data &= 0x80;
 
 	while (i++ < 0xFFFFFFF) {
-		tmp = readb(dst) & 0x80;
+		tmp = chip_readb(dst) & 0x80;
 		if (tmp == data) {
 			break;
 		}
@@ -68,21 +68,21 @@
 
 void unprotect_jedec(volatile uint8_t *bios)
 {
-	writeb(0xAA, bios + 0x5555);
-	writeb(0x55, bios + 0x2AAA);
-	writeb(0x80, bios + 0x5555);
-	writeb(0xAA, bios + 0x5555);
-	writeb(0x55, bios + 0x2AAA);
-	writeb(0x20, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
+	chip_writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0x80, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
+	chip_writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0x20, bios + 0x5555);
 
 	usleep(200);
 }
 
 void protect_jedec(volatile uint8_t *bios)
 {
-	writeb(0xAA, bios + 0x5555);
-	writeb(0x55, bios + 0x2AAA);
-	writeb(0xA0, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
+	chip_writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0xA0, bios + 0x5555);
 
 	usleep(200);
 }
@@ -94,40 +94,40 @@
 	uint32_t largeid1, largeid2;
 
 	/* Issue JEDEC Product ID Entry command */
-	writeb(0xAA, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
 	myusec_delay(10);
-	writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0x55, bios + 0x2AAA);
 	myusec_delay(10);
-	writeb(0x90, bios + 0x5555);
+	chip_writeb(0x90, bios + 0x5555);
 	/* Older chips may need up to 100 us to respond. The ATMEL 29C020
 	 * needs 10 ms according to the data sheet.
 	 */
 	myusec_delay(10000);
 
 	/* Read product ID */
-	id1 = readb(bios);
-	id2 = readb(bios + 0x01);
+	id1 = chip_readb(bios);
+	id2 = chip_readb(bios + 0x01);
 	largeid1 = id1;
 	largeid2 = id2;
 
 	/* Check if it is a continuation ID, this should be a while loop. */
 	if (id1 == 0x7F) {
 		largeid1 <<= 8;
-		id1 = readb(bios + 0x100);
+		id1 = chip_readb(bios + 0x100);
 		largeid1 |= id1;
 	}
 	if (id2 == 0x7F) {
 		largeid2 <<= 8;
-		id2 = readb(bios + 0x101);
+		id2 = chip_readb(bios + 0x101);
 		largeid2 |= id2;
 	}
 
 	/* Issue JEDEC Product ID Exit command */
-	writeb(0xAA, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
 	myusec_delay(10);
-	writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0x55, bios + 0x2AAA);
 	myusec_delay(10);
-	writeb(0xF0, bios + 0x5555);
+	chip_writeb(0xF0, bios + 0x5555);
 	myusec_delay(40);
 
 	printf_debug("%s: id1 0x%02x, id2 0x%02x", __FUNCTION__, largeid1, largeid2);
@@ -143,18 +143,18 @@
 int erase_sector_jedec(volatile uint8_t *bios, unsigned int page)
 {
 	/*  Issue the Sector Erase command   */
-	writeb(0xAA, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
 	myusec_delay(10);
-	writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0x55, bios + 0x2AAA);
 	myusec_delay(10);
-	writeb(0x80, bios + 0x5555);
+	chip_writeb(0x80, bios + 0x5555);
 	myusec_delay(10);
 
-	writeb(0xAA, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
 	myusec_delay(10);
-	writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0x55, bios + 0x2AAA);
 	myusec_delay(10);
-	writeb(0x30, bios + page);
+	chip_writeb(0x30, bios + page);
 	myusec_delay(10);
 
 	/* wait for Toggle bit ready         */
@@ -166,18 +166,18 @@
 int erase_block_jedec(volatile uint8_t *bios, unsigned int block)
 {
 	/*  Issue the Sector Erase command   */
-	writeb(0xAA, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
 	myusec_delay(10);
-	writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0x55, bios + 0x2AAA);
 	myusec_delay(10);
-	writeb(0x80, bios + 0x5555);
+	chip_writeb(0x80, bios + 0x5555);
 	myusec_delay(10);
 
-	writeb(0xAA, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
 	myusec_delay(10);
-	writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0x55, bios + 0x2AAA);
 	myusec_delay(10);
-	writeb(0x50, bios + block);
+	chip_writeb(0x50, bios + block);
 	myusec_delay(10);
 
 	/* wait for Toggle bit ready         */
@@ -191,18 +191,18 @@
 	volatile uint8_t *bios = flash->virtual_memory;
 
 	/*  Issue the JEDEC Chip Erase command   */
-	writeb(0xAA, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
 	myusec_delay(10);
-	writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0x55, bios + 0x2AAA);
 	myusec_delay(10);
-	writeb(0x80, bios + 0x5555);
+	chip_writeb(0x80, bios + 0x5555);
 	myusec_delay(10);
 
-	writeb(0xAA, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
 	myusec_delay(10);
-	writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0x55, bios + 0x2AAA);
 	myusec_delay(10);
-	writeb(0x10, bios + 0x5555);
+	chip_writeb(0x10, bios + 0x5555);
 	myusec_delay(10);
 
 	toggle_ready_jedec(bios);
@@ -219,15 +219,15 @@
 
 retry:
 	/* Issue JEDEC Data Unprotect comand */
-	writeb(0xAA, bios + 0x5555);
-	writeb(0x55, bios + 0x2AAA);
-	writeb(0xA0, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
+	chip_writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0xA0, bios + 0x5555);
 
 	/* transfer data from source to destination */
 	for (i = start_index; i < page_size; i++) {
 		/* If the data is 0xFF, don't program it */
 		if (*src != 0xFF)
-			writeb(*src, dst);
+			chip_writeb(*src, dst);
 		dst++;
 		src++;
 	}
@@ -238,7 +238,7 @@
 	src = s;
 	ok = 1;
 	for (i = 0; i < page_size; i++) {
-		if (readb(dst) != *src) {
+		if (chip_readb(dst) != *src) {
 			ok = 0;
 			break;
 		}
@@ -269,15 +269,15 @@
 
 retry:
 	/* Issue JEDEC Byte Program command */
-	writeb(0xAA, bios + 0x5555);
-	writeb(0x55, bios + 0x2AAA);
-	writeb(0xA0, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
+	chip_writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0xA0, bios + 0x5555);
 
 	/* transfer data from source to destination */
-	writeb(*src, dst);
+	chip_writeb(*src, dst);
 	toggle_ready_jedec(bios);
 
-	if (readb(dst) != *src && tried++ < MAX_REFLASH_TRIES) {
+	if (chip_readb(dst) != *src && tried++ < MAX_REFLASH_TRIES) {
 		goto retry;
 	}
 
diff --git a/m29f002.c b/m29f002.c
index f806a2d..a0fdf55 100644
--- a/m29f002.c
+++ b/m29f002.c
@@ -22,12 +22,12 @@
 
 int erase_m29f002(struct flashchip *flash) {
 	volatile uint8_t *bios = flash->virtual_memory;
-	writeb(0xaa, bios + 0x555);
-	writeb(0x55, bios + 0xaaa);
-	writeb(0x80, bios + 0x555);
-	writeb(0xaa, bios + 0x555);
-	writeb(0x55, bios + 0xaaa);
-	writeb(0x10, bios + 0x555);
+	chip_writeb(0xaa, bios + 0x555);
+	chip_writeb(0x55, bios + 0xaaa);
+	chip_writeb(0x80, bios + 0x555);
+	chip_writeb(0xaa, bios + 0x555);
+	chip_writeb(0x55, bios + 0xaaa);
+	chip_writeb(0x10, bios + 0x555);
 	myusec_delay(10);
 	toggle_ready_jedec(bios);
 	return 0;
@@ -35,21 +35,21 @@
 
 static void rewrite_block(volatile uint8_t *bios, uint8_t *src, volatile uint8_t *dst, int size) {
 	/* erase */
-	writeb(0xaa, bios + 0x555);
-	writeb(0x55, bios + 0xaaa);
-	writeb(0x80, bios + 0x555);
-	writeb(0xaa, bios + 0x555);
-	writeb(0x55, bios + 0xaaa);
-	writeb(0x30, dst);
+	chip_writeb(0xaa, bios + 0x555);
+	chip_writeb(0x55, bios + 0xaaa);
+	chip_writeb(0x80, bios + 0x555);
+	chip_writeb(0xaa, bios + 0x555);
+	chip_writeb(0x55, bios + 0xaaa);
+	chip_writeb(0x30, dst);
 	myusec_delay(10);
 	toggle_ready_jedec(bios);
 
 	/* program */
 	while (size--) {
-		writeb(0xaa, bios + 0x555);
-		writeb(0x55, bios + 0xaaa);
-		writeb(0xa0, bios + 0x555);
-		writeb(*src, dst);
+		chip_writeb(0xaa, bios + 0x555);
+		chip_writeb(0x55, bios + 0xaaa);
+		chip_writeb(0xa0, bios + 0x555);
+		chip_writeb(*src, dst);
 		toggle_ready_jedec(dst);
 		dst++;
 		src++;
diff --git a/m29f400bt.c b/m29f400bt.c
index 2ca72e4..cb55d76 100644
--- a/m29f400bt.c
+++ b/m29f400bt.c
@@ -22,9 +22,9 @@
 
 void protect_m29f400bt(volatile uint8_t *bios)
 {
-	writeb(0xAA, bios + 0xAAA);
-	writeb(0x55, bios + 0x555);
-	writeb(0xA0, bios + 0xAAA);
+	chip_writeb(0xAA, bios + 0xAAA);
+	chip_writeb(0x55, bios + 0x555);
+	chip_writeb(0xA0, bios + 0xAAA);
 
 	usleep(200);
 }
@@ -35,18 +35,18 @@
 	int i;
 
 	for (i = 0; i < page_size; i++) {
-		writeb(0xAA, bios + 0xAAA);
-		writeb(0x55, bios + 0x555);
-		writeb(0xA0, bios + 0xAAA);
+		chip_writeb(0xAA, bios + 0xAAA);
+		chip_writeb(0x55, bios + 0x555);
+		chip_writeb(0xA0, bios + 0xAAA);
 
 		/* transfer data from source to destination */
-		writeb(*src, dst);
+		chip_writeb(*src, dst);
 		//*(volatile char *) (bios) = 0xF0;
 		//usleep(5);
 		toggle_ready_jedec(dst);
 		printf
 		    ("Value in the flash at address %p = %#x, want %#x\n",
-		     (uint8_t *) (dst - bios), readb(dst), *src);
+		     (uint8_t *) (dst - bios), chip_readb(dst), *src);
 		dst++;
 		src++;
 	}
@@ -57,21 +57,21 @@
 	volatile uint8_t *bios = flash->virtual_memory;
 	uint8_t id1, id2;
 
-	writeb(0xAA, bios + 0xAAA);
-	writeb(0x55, bios + 0x555);
-	writeb(0x90, bios + 0xAAA);
+	chip_writeb(0xAA, bios + 0xAAA);
+	chip_writeb(0x55, bios + 0x555);
+	chip_writeb(0x90, bios + 0xAAA);
 
 	myusec_delay(10);
 
-	id1 = readb(bios);
+	id1 = chip_readb(bios);
 	/* The data sheet says id2 is at (bios + 0x01) and id2 listed in
 	 * flash.h does not match. It should be possible to use JEDEC probe.
 	 */
-	id2 = readb(bios + 0x02);
+	id2 = chip_readb(bios + 0x02);
 
-	writeb(0xAA, bios + 0xAAA);
-	writeb(0x55, bios + 0x555);
-	writeb(0xF0, bios + 0xAAA);
+	chip_writeb(0xAA, bios + 0xAAA);
+	chip_writeb(0x55, bios + 0x555);
+	chip_writeb(0xF0, bios + 0xAAA);
 
 	myusec_delay(10);
 
@@ -87,13 +87,13 @@
 {
 	volatile uint8_t *bios = flash->virtual_memory;
 
-	writeb(0xAA, bios + 0xAAA);
-	writeb(0x55, bios + 0x555);
-	writeb(0x80, bios + 0xAAA);
+	chip_writeb(0xAA, bios + 0xAAA);
+	chip_writeb(0x55, bios + 0x555);
+	chip_writeb(0x80, bios + 0xAAA);
 
-	writeb(0xAA, bios + 0xAAA);
-	writeb(0x55, bios + 0x555);
-	writeb(0x10, bios + 0xAAA);
+	chip_writeb(0xAA, bios + 0xAAA);
+	chip_writeb(0x55, bios + 0x555);
+	chip_writeb(0x10, bios + 0xAAA);
 
 	myusec_delay(10);
 	toggle_ready_jedec(bios);
@@ -104,14 +104,14 @@
 int block_erase_m29f400bt(volatile uint8_t *bios, volatile uint8_t *dst)
 {
 
-	writeb(0xAA, bios + 0xAAA);
-	writeb(0x55, bios + 0x555);
-	writeb(0x80, bios + 0xAAA);
+	chip_writeb(0xAA, bios + 0xAAA);
+	chip_writeb(0x55, bios + 0x555);
+	chip_writeb(0x80, bios + 0xAAA);
 
-	writeb(0xAA, bios + 0xAAA);
-	writeb(0x55, bios + 0x555);
+	chip_writeb(0xAA, bios + 0xAAA);
+	chip_writeb(0x55, bios + 0x555);
 	//*(volatile uint8_t *) (bios + 0xAAA) = 0x10;
-	writeb(0x30, dst);
+	chip_writeb(0x30, dst);
 
 	myusec_delay(10);
 	toggle_ready_jedec(bios);
diff --git a/mx29f002.c b/mx29f002.c
index 0e3f562..b85440f 100644
--- a/mx29f002.c
+++ b/mx29f002.c
@@ -27,14 +27,14 @@
 	volatile uint8_t *bios = flash->virtual_memory;
 	uint8_t id1, id2;
 
-	writeb(0xAA, bios + 0x5555);
-	writeb(0x55, bios + 0x2AAA);
-	writeb(0x90, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
+	chip_writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0x90, bios + 0x5555);
 
-	id1 = readb(bios);
-	id2 = readb(bios + 0x01);
+	id1 = chip_readb(bios);
+	id2 = chip_readb(bios + 0x01);
 
-	writeb(0xF0, bios);
+	chip_writeb(0xF0, bios);
 
 	myusec_delay(10);
 
@@ -49,13 +49,13 @@
 {
 	volatile uint8_t *bios = flash->virtual_memory;
 
-	writeb(0xF0, bios + 0x555);
-	writeb(0xAA, bios + 0x555);
-	writeb(0x55, bios + 0x2AA);
-	writeb(0x80, bios + 0x555);
-	writeb(0xAA, bios + 0x555);
-	writeb(0x55, bios + 0x2AA);
-	writeb(0x10, bios + 0x555);
+	chip_writeb(0xF0, bios + 0x555);
+	chip_writeb(0xAA, bios + 0x555);
+	chip_writeb(0x55, bios + 0x2AA);
+	chip_writeb(0x80, bios + 0x555);
+	chip_writeb(0xAA, bios + 0x555);
+	chip_writeb(0x55, bios + 0x2AA);
+	chip_writeb(0x10, bios + 0x555);
 
 	myusec_delay(100);
 	toggle_ready_jedec(bios);
@@ -65,12 +65,12 @@
 
 #if 0
 	toggle_ready_jedec(bios);
-	writeb(0x30, bios + 0x0ffff);
-	writeb(0x30, bios + 0x1ffff);
-	writeb(0x30, bios + 0x2ffff);
-	writeb(0x30, bios + 0x37fff);
-	writeb(0x30, bios + 0x39fff);
-	writeb(0x30, bios + 0x3bfff);
+	chip_writeb(0x30, bios + 0x0ffff);
+	chip_writeb(0x30, bios + 0x1ffff);
+	chip_writeb(0x30, bios + 0x2ffff);
+	chip_writeb(0x30, bios + 0x37fff);
+	chip_writeb(0x30, bios + 0x39fff);
+	chip_writeb(0x30, bios + 0x3bfff);
 #endif
 
 	return 0;
@@ -83,7 +83,7 @@
 	volatile uint8_t *bios = flash->virtual_memory;
 	volatile uint8_t *dst = bios;
 
-	writeb(0xF0, bios);
+	chip_writeb(0xF0, bios);
 	myusec_delay(10);
 	erase_29f002(flash);
 	//*bios = 0xF0;
@@ -93,10 +93,10 @@
 		/* write to the sector */
 		if ((i & 0xfff) == 0)
 			printf("address: 0x%08lx", (unsigned long)i);
-		writeb(0xAA, bios + 0x5555);
-		writeb(0x55, bios + 0x2AAA);
-		writeb(0xA0, bios + 0x5555);
-		writeb(*buf++, dst++);
+		chip_writeb(0xAA, bios + 0x5555);
+		chip_writeb(0x55, bios + 0x2AAA);
+		chip_writeb(0xA0, bios + 0x5555);
+		chip_writeb(*buf++, dst++);
 
 		/* wait for Toggle bit ready */
 		toggle_ready_jedec(dst);
diff --git a/pm49fl00x.c b/pm49fl00x.c
index e2ca7b6..86f3497 100644
--- a/pm49fl00x.c
+++ b/pm49fl00x.c
@@ -35,7 +35,7 @@
 		if (block_size == 16384 && i % 2)
 			continue;
 
-		writeb(bits, bios + (i * block_size) + 2);
+		chip_writeb(bits, bios + (i * block_size) + 2);
 	}
 }
 
diff --git a/sharplhf00l04.c b/sharplhf00l04.c
index 06a14ef..52071e6 100644
--- a/sharplhf00l04.c
+++ b/sharplhf00l04.c
@@ -41,23 +41,23 @@
 
 #if 0
 	/* Enter ID mode */
-	writeb(0xAA, bios + 0x5555);
-	writeb(0x55, bios + 0x2AAA);
-	writeb(0x90, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
+	chip_writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0x90, bios + 0x5555);
 #endif
 
-	writeb(0xff, bios);
+	chip_writeb(0xff, bios);
 	myusec_delay(10);
-	writeb(0x90, bios);
+	chip_writeb(0x90, bios);
 	myusec_delay(10);
 
-	id1 = readb(bios);
-	id2 = readb(bios + 0x01);
+	id1 = chip_readb(bios);
+	id2 = chip_readb(bios + 0x01);
 
 	/* Leave ID mode */
-	writeb(0xAA, bios + 0x5555);
-	writeb(0x55, bios + 0x2AAA);
-	writeb(0xF0, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
+	chip_writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0xF0, bios + 0x5555);
 
 	myusec_delay(10);
 
@@ -76,25 +76,25 @@
 	uint8_t status;
 	uint8_t id1, id2;
 
-	writeb(0x70, bios);
-	if ((readb(bios) & 0x80) == 0) {	// it's busy
-		while ((readb(bios) & 0x80) == 0) ;
+	chip_writeb(0x70, bios);
+	if ((chip_readb(bios) & 0x80) == 0) {	// it's busy
+		while ((chip_readb(bios) & 0x80) == 0) ;
 	}
 
-	status = readb(bios);
+	status = chip_readb(bios);
 
 	// put another command to get out of status register mode
 
-	writeb(0x90, bios);
+	chip_writeb(0x90, bios);
 	myusec_delay(10);
 
-	id1 = readb(bios);
-	id2 = readb(bios + 0x01);
+	id1 = chip_readb(bios);
+	id2 = chip_readb(bios + 0x01);
 
 	// this is needed to jam it out of "read id" mode
-	writeb(0xAA, bios + 0x5555);
-	writeb(0x55, bios + 0x2AAA);
-	writeb(0xF0, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
+	chip_writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0xF0, bios + 0x5555);
 
 	return status;
 }
@@ -106,19 +106,19 @@
 	uint8_t status;
 
 	// clear status register
-	writeb(0x50, bios);
+	chip_writeb(0x50, bios);
 	printf("Erase at %p\n", bios);
 	status = wait_lhf00l04(flash->virtual_memory);
 	print_lhf00l04_status(status);
 	// clear write protect
 	printf("write protect is at %p\n", (wrprotect));
-	printf("write protect is 0x%x\n", readb(wrprotect));
-	writeb(0, wrprotect);
-	printf("write protect is 0x%x\n", readb(wrprotect));
+	printf("write protect is 0x%x\n", chip_readb(wrprotect));
+	chip_writeb(0, wrprotect);
+	printf("write protect is 0x%x\n", chip_readb(wrprotect));
 
 	// now start it
-	writeb(0x20, bios);
-	writeb(0xd0, bios);
+	chip_writeb(0x20, bios);
+	chip_writeb(0xd0, bios);
 	myusec_delay(10);
 	// now let's see what the register is
 	status = wait_lhf00l04(flash->virtual_memory);
@@ -149,8 +149,8 @@
 
 	for (i = 0; i < page_size; i++) {
 		/* transfer data from source to destination */
-		writeb(0x40, dst);
-		writeb(*src++, dst++);
+		chip_writeb(0x40, dst);
+		chip_writeb(*src++, dst++);
 		wait_lhf00l04(bios);
 	}
 }
@@ -163,7 +163,7 @@
 	volatile uint8_t *bios = flash->virtual_memory;
 
 	erase_lhf00l04(flash);
-	if (readb(bios) != 0xff) {
+	if (chip_readb(bios) != 0xff) {
 		printf("ERASE FAILED!\n");
 		return -1;
 	}
diff --git a/sst28sf040.c b/sst28sf040.c
index 7adfcfd..282b369 100644
--- a/sst28sf040.c
+++ b/sst28sf040.c
@@ -34,33 +34,33 @@
 {
 	uint8_t tmp;
 
-	tmp = readb(bios + 0x1823);
-	tmp = readb(bios + 0x1820);
-	tmp = readb(bios + 0x1822);
-	tmp = readb(bios + 0x0418);
-	tmp = readb(bios + 0x041B);
-	tmp = readb(bios + 0x0419);
-	tmp = readb(bios + 0x040A);
+	tmp = chip_readb(bios + 0x1823);
+	tmp = chip_readb(bios + 0x1820);
+	tmp = chip_readb(bios + 0x1822);
+	tmp = chip_readb(bios + 0x0418);
+	tmp = chip_readb(bios + 0x041B);
+	tmp = chip_readb(bios + 0x0419);
+	tmp = chip_readb(bios + 0x040A);
 }
 
 static __inline__ void unprotect_28sf040(volatile uint8_t *bios)
 {
 	uint8_t tmp;
 
-	tmp = readb(bios + 0x1823);
-	tmp = readb(bios + 0x1820);
-	tmp = readb(bios + 0x1822);
-	tmp = readb(bios + 0x0418);
-	tmp = readb(bios + 0x041B);
-	tmp = readb(bios + 0x0419);
-	tmp = readb(bios + 0x041A);
+	tmp = chip_readb(bios + 0x1823);
+	tmp = chip_readb(bios + 0x1820);
+	tmp = chip_readb(bios + 0x1822);
+	tmp = chip_readb(bios + 0x0418);
+	tmp = chip_readb(bios + 0x041B);
+	tmp = chip_readb(bios + 0x0419);
+	tmp = chip_readb(bios + 0x041A);
 }
 
 static __inline__ int erase_sector_28sf040(volatile uint8_t *bios,
 					   unsigned long address)
 {
-	writeb(AUTO_PG_ERASE1, bios);
-	writeb(AUTO_PG_ERASE2, bios + address);
+	chip_writeb(AUTO_PG_ERASE1, bios);
+	chip_writeb(AUTO_PG_ERASE2, bios + address);
 
 	/* wait for Toggle bit ready         */
 	toggle_ready_jedec(bios);
@@ -83,8 +83,8 @@
 			continue;
 		}
 		/*issue AUTO PROGRAM command */
-		writeb(AUTO_PGRM, dst);
-		writeb(*src++, dst++);
+		chip_writeb(AUTO_PGRM, dst);
+		chip_writeb(*src++, dst++);
 
 		/* wait for Toggle bit ready */
 		toggle_ready_jedec(bios);
@@ -98,16 +98,16 @@
 	volatile uint8_t *bios = flash->virtual_memory;
 	uint8_t id1, id2;
 
-	writeb(RESET, bios);
+	chip_writeb(RESET, bios);
 	myusec_delay(10);
 
-	writeb(READ_ID, bios);
+	chip_writeb(READ_ID, bios);
 	myusec_delay(10);
-	id1 = readb(bios);
+	id1 = chip_readb(bios);
 	myusec_delay(10);
-	id2 = readb(bios + 0x01);
+	id2 = chip_readb(bios + 0x01);
 
-	writeb(RESET, bios);
+	chip_writeb(RESET, bios);
 	myusec_delay(10);
 
 	printf_debug("%s: id1 0x%02x, id2 0x%02x\n", __FUNCTION__, id1, id2);
@@ -122,8 +122,8 @@
 	volatile uint8_t *bios = flash->virtual_memory;
 
 	unprotect_28sf040(bios);
-	writeb(CHIP_ERASE, bios);
-	writeb(CHIP_ERASE, bios);
+	chip_writeb(CHIP_ERASE, bios);
+	chip_writeb(CHIP_ERASE, bios);
 	protect_28sf040(bios);
 
 	myusec_delay(10);
diff --git a/sst49lfxxxc.c b/sst49lfxxxc.c
index 397ee61..54897cc 100644
--- a/sst49lfxxxc.c
+++ b/sst49lfxxxc.c
@@ -50,20 +50,20 @@
 	//printf("bios=0x%08lx\n", (unsigned long)bios);
 	for (i = 0; left > 65536; i++, left -= 65536) {
 		//printf("lockbits at address=0x%08lx is 0x%01x\n", (unsigned long)0xFFC00000 - size + (i * 65536) + 2, *(bios + (i * 65536) + 2) );
-		writeb(bits, bios + (i * 65536) + 2);
+		chip_writeb(bits, bios + (i * 65536) + 2);
 	}
 	address = i * 65536;
 	//printf("lockbits at address=0x%08lx is 0x%01x\n", (unsigned long)0xFFc00000 - size + address + 2, *(bios + address + 2) );
-	writeb(bits, bios + address + 2);
+	chip_writeb(bits, bios + address + 2);
 	address += 32768;
 	//printf("lockbits at address=0x%08lx is 0x%01x\n", (unsigned long)0xFFc00000 - size + address + 2, *(bios + address + 2) );
-	writeb(bits, bios + address + 2);
+	chip_writeb(bits, bios + address + 2);
 	address += 8192;
 	//printf("lockbits at address=0x%08lx is 0x%01x\n", (unsigned long)0xFFc00000 - size + address + 2, *(bios + address + 2) );
-	writeb(bits, bios + address + 2);
+	chip_writeb(bits, bios + address + 2);
 	address += 8192;
 	//printf("lockbits at address=0x%08lx is 0x%01x\n", (unsigned long)0xFFc00000 - size + address + 2, *(bios + address + 2) );
-	writeb(bits, bios + address + 2);
+	chip_writeb(bits, bios + address + 2);
 
 	return 0;
 }
@@ -73,14 +73,14 @@
 {
 	unsigned char status;
 
-	writeb(SECTOR_ERASE, bios);
-	writeb(ERASE, bios + address);
+	chip_writeb(SECTOR_ERASE, bios);
+	chip_writeb(ERASE, bios + address);
 
 	do {
-		status = readb(bios);
+		status = chip_readb(bios);
 		if (status & (STATUS_ESS | STATUS_BPS)) {
 			printf("sector erase FAILED at address=0x%08lx status=0x%01x\n", (unsigned long)bios + address, status);
-			writeb(CLEAR_STATUS, bios);
+			chip_writeb(CLEAR_STATUS, bios);
 			return (-1);
 		}
 	} while (!(status & STATUS_WSMS));
@@ -96,7 +96,7 @@
 	int i;
 	unsigned char status;
 
-	writeb(CLEAR_STATUS, bios);
+	chip_writeb(CLEAR_STATUS, bios);
 	for (i = 0; i < page_size; i++) {
 		/* transfer data from source to destination */
 		if (*src == 0xFF) {
@@ -105,14 +105,14 @@
 			continue;
 		}
 		/*issue AUTO PROGRAM command */
-		writeb(AUTO_PGRM, bios);
-		writeb(*src++, dst++);
+		chip_writeb(AUTO_PGRM, bios);
+		chip_writeb(*src++, dst++);
 
 		do {
-			status = readb(bios);
+			status = chip_readb(bios);
 			if (status & (STATUS_ESS | STATUS_BPS)) {
 				printf("sector write FAILED at address=0x%08lx status=0x%01x\n", (unsigned long)dst, status);
-				writeb(CLEAR_STATUS, bios);
+				chip_writeb(CLEAR_STATUS, bios);
 				return (-1);
 			}
 		} while (!(status & STATUS_WSMS));
@@ -127,13 +127,13 @@
 
 	uint8_t id1, id2;
 
-	writeb(RESET, bios);
+	chip_writeb(RESET, bios);
 
-	writeb(READ_ID, bios);
-	id1 = readb(bios);
-	id2 = readb(bios + 0x01);
+	chip_writeb(READ_ID, bios);
+	id1 = chip_readb(bios);
+	id2 = chip_readb(bios + 0x01);
 
-	writeb(RESET, bios);
+	chip_writeb(RESET, bios);
 
 	printf_debug("%s: id1 0x%02x, id2 0x%02x\n", __FUNCTION__, id1, id2);
 
@@ -157,7 +157,7 @@
 		if (erase_sector_49lfxxxc(bios, i) != 0)
 			return (-1);
 
-	writeb(RESET, bios);
+	chip_writeb(RESET, bios);
 
 	return 0;
 }
@@ -183,7 +183,7 @@
 	}
 	printf("\n");
 
-	writeb(RESET, bios);
+	chip_writeb(RESET, bios);
 
 	return 0;
 }
diff --git a/sst_fwhub.c b/sst_fwhub.c
index 2c2992e..ab541e4 100644
--- a/sst_fwhub.c
+++ b/sst_fwhub.c
@@ -51,7 +51,7 @@
 	volatile uint8_t *wrprotect = flash->virtual_registers + offset + 2;
 
 	// clear write protect
-	writeb(0, wrprotect);
+	chip_writeb(0, wrprotect);
 
 	erase_block_jedec(flash->virtual_memory, offset);
 	toggle_ready_jedec(flash->virtual_memory);
diff --git a/stm50flw0x0x.c b/stm50flw0x0x.c
index edb76cc..a40da76 100644
--- a/stm50flw0x0x.c
+++ b/stm50flw0x0x.c
@@ -33,9 +33,9 @@
 
 void protect_stm50flw0x0x(volatile uint8_t *bios)
 {
-	writeb(0xAA, bios + 0x5555);
-	writeb(0x55, bios + 0x2AAA);
-	writeb(0xA0, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
+	chip_writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0xA0, bios + 0x5555);
 
 	usleep(200);
 }
@@ -47,37 +47,37 @@
 	uint32_t largeid1, largeid2;
 
 	/* Issue JEDEC Product ID Entry command */
-	writeb(0xAA, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
 	myusec_delay(10);
-	writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0x55, bios + 0x2AAA);
 	myusec_delay(10);
-	writeb(0x90, bios + 0x5555);
+	chip_writeb(0x90, bios + 0x5555);
 	myusec_delay(40);
 
 	/* Read product ID */
-	id1 = readb(bios);
-	id2 = readb(bios + 0x01);
+	id1 = chip_readb(bios);
+	id2 = chip_readb(bios + 0x01);
 	largeid1 = id1;
 	largeid2 = id2;
 
 	/* Check if it is a continuation ID, this should be a while loop. */
 	if (id1 == 0x7F) {
 		largeid1 <<= 8;
-		id1 = readb(bios + 0x100);
+		id1 = chip_readb(bios + 0x100);
 		largeid1 |= id1;
 	}
 	if (id2 == 0x7F) {
 		largeid2 <<= 8;
-		id2 = readb(bios + 0x101);
+		id2 = chip_readb(bios + 0x101);
 		largeid2 |= id2;
 	}
 
 	/* Issue JEDEC Product ID Exit command */
-	writeb(0xAA, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
 	myusec_delay(10);
-	writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0x55, bios + 0x2AAA);
 	myusec_delay(10);
-	writeb(0xF0, bios + 0x5555);
+	chip_writeb(0xF0, bios + 0x5555);
 	myusec_delay(40);
 
 	printf_debug("%s: id1 0x%02x, id2 0x%02x\n", __FUNCTION__, largeid1,
@@ -96,21 +96,21 @@
 	uint8_t id1;
 	// id2;
 
-	writeb(0x70, bios);
-	if ((readb(bios) & 0x80) == 0) {	// it's busy
-		while ((readb(bios) & 0x80) == 0) ;
+	chip_writeb(0x70, bios);
+	if ((chip_readb(bios) & 0x80) == 0) {	// it's busy
+		while ((chip_readb(bios) & 0x80) == 0) ;
 	}
 	// put another command to get out of status register mode
 
-	writeb(0x90, bios);
+	chip_writeb(0x90, bios);
 	myusec_delay(10);
 
-	id1 = readb(bios);
+	id1 = chip_readb(bios);
 
 	// this is needed to jam it out of "read id" mode
-	writeb(0xAA, bios + 0x5555);
-	writeb(0x55, bios + 0x2AAA);
-	writeb(0xF0, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
+	chip_writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0xF0, bios + 0x5555);
 }
 
 /*
@@ -142,8 +142,8 @@
 		// unlock each 4k-sector
 		for (j = 0; j < 0x10000; j += 0x1000) {
 			printf_debug("unlocking at 0x%x\n", offset + j);
-			writeb(unlock_sector, flash_addr + offset + j);
-			if (readb(flash_addr + offset + j) != unlock_sector) {
+			chip_writeb(unlock_sector, flash_addr + offset + j);
+			if (chip_readb(flash_addr + offset + j) != unlock_sector) {
 				printf("Cannot unlock sector @ 0x%x\n",
 				       offset + j);
 				return -1;
@@ -151,8 +151,8 @@
 		}
 	} else {
 		printf_debug("unlocking at 0x%x\n", offset);
-		writeb(unlock_sector, flash_addr + offset);
-		if (readb(flash_addr + offset) != unlock_sector) {
+		chip_writeb(unlock_sector, flash_addr + offset);
+		if (chip_readb(flash_addr + offset) != unlock_sector) {
 			printf("Cannot unlock sector @ 0x%x\n", offset);
 			return -1;
 		}
@@ -167,17 +167,17 @@
 	int j;
 
 	// clear status register
-	writeb(0x50, bios);
+	chip_writeb(0x50, bios);
 	printf_debug("Erase at %p\n", bios);
 	// now start it
-	writeb(0x20, bios);
-	writeb(0xd0, bios);
+	chip_writeb(0x20, bios);
+	chip_writeb(0xd0, bios);
 	myusec_delay(10);
 
 	wait_stm50flw0x0x(flash->virtual_memory);
 
 	for (j = 0; j < flash->page_size; j++) {
-		if (readb(bios + j) != 0xFF) {
+		if (chip_readb(bios + j) != 0xFF) {
 			printf("Erase failed at 0x%x\n", offset + j);
 			return -1;
 		}
@@ -197,8 +197,8 @@
 
 	/* transfer data from source to destination */
 	for (i = 0; i < page_size; i++) {
-		writeb(0x40, dst);
-		writeb(*src++, dst++);
+		chip_writeb(0x40, dst);
+		chip_writeb(*src++, dst++);
 		wait_stm50flw0x0x(bios);
 	}
 
@@ -210,7 +210,7 @@
 	dst = d;
 	src = s;
 	for (i = 0; i < page_size; i++) {
-		if (readb(dst) != *src) {
+		if (chip_readb(dst) != *src) {
 			rc = -1;
 			break;
 		}
diff --git a/w29ee011.c b/w29ee011.c
index 80a4e66..37b9082 100644
--- a/w29ee011.c
+++ b/w29ee011.c
@@ -37,29 +37,29 @@
 	}
 
 	/* Issue JEDEC Product ID Entry command */
-	writeb(0xAA, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
 	myusec_delay(10);
-	writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0x55, bios + 0x2AAA);
 	myusec_delay(10);
-	writeb(0x80, bios + 0x5555);
+	chip_writeb(0x80, bios + 0x5555);
 	myusec_delay(10);
-	writeb(0xAA, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
 	myusec_delay(10);
-	writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0x55, bios + 0x2AAA);
 	myusec_delay(10);
-	writeb(0x60, bios + 0x5555);
+	chip_writeb(0x60, bios + 0x5555);
 	myusec_delay(10);
 
 	/* Read product ID */
-	id1 = readb(bios);
-	id2 = readb(bios + 0x01);
+	id1 = chip_readb(bios);
+	id2 = chip_readb(bios + 0x01);
 
 	/* Issue JEDEC Product ID Exit command */
-	writeb(0xAA, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
 	myusec_delay(10);
-	writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0x55, bios + 0x2AAA);
 	myusec_delay(10);
-	writeb(0xF0, bios + 0x5555);
+	chip_writeb(0xF0, bios + 0x5555);
 	myusec_delay(10);
 
 	printf_debug("%s: id1 0x%02x, id2 0x%02x\n", __FUNCTION__, id1, id2);
diff --git a/w39v040c.c b/w39v040c.c
index 3a0f430..f631d33 100644
--- a/w39v040c.c
+++ b/w39v040c.c
@@ -26,22 +26,22 @@
 	volatile uint8_t *bios = flash->virtual_memory;
 	uint8_t id1, id2, lock;
 
-	writeb(0xAA, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
 	myusec_delay(10);
-	writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0x55, bios + 0x2AAA);
 	myusec_delay(10);
-	writeb(0x90, bios + 0x5555);
+	chip_writeb(0x90, bios + 0x5555);
 	myusec_delay(10);
 
-	id1 = readb(bios);
-	id2 = readb(bios + 1);
-	lock = readb(bios + 0xfff2);
+	id1 = chip_readb(bios);
+	id2 = chip_readb(bios + 1);
+	lock = chip_readb(bios + 0xfff2);
 
-	writeb(0xAA, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
 	myusec_delay(10);
-	writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0x55, bios + 0x2AAA);
 	myusec_delay(10);
-	writeb(0xF0, bios + 0x5555);
+	chip_writeb(0xF0, bios + 0x5555);
 	myusec_delay(40);
 
 	printf_debug("%s: id1 0x%02x, id2 0x%02x", __func__, id1, id2);
diff --git a/w39v080fa.c b/w39v080fa.c
index 6278fbc..ba32add 100644
--- a/w39v080fa.c
+++ b/w39v080fa.c
@@ -27,19 +27,19 @@
 	uint8_t vid, did;
 
 	/* Product Identification Entry */
-	writeb(0xAA, bios + 0x5555);
-	writeb(0x55, bios + 0x2AAA);
-	writeb(0x90, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
+	chip_writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0x90, bios + 0x5555);
 	myusec_delay(10);
 
 	/* Read product ID */
-	vid = readb(bios);
-	did = readb(bios + 0x01);
+	vid = chip_readb(bios);
+	did = chip_readb(bios + 0x01);
 
 	/* Product Identifixation Exit */
-	writeb(0xAA, bios + 0x5555);
-	writeb(0x55, bios + 0x2AAA);
-	writeb(0xF0, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
+	chip_writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0xF0, bios + 0x5555);
 	myusec_delay(10);
 
 	printf_debug("%s: vid 0x%x, did 0x%x\n", __FUNCTION__, vid, did);
@@ -58,16 +58,16 @@
 	uint8_t locking;
 
 	printf_debug("Trying to unlock block @0x%08x = 0x%02x\n", offset,
-		     readb(wrprotect));
+		     chip_readb(wrprotect));
 
-	locking = readb(wrprotect);
+	locking = chip_readb(wrprotect);
 	switch (locking & 0x7) {
 	case 0:
 		printf_debug("Full Access.\n");
 		return 0;
 	case 1:
 		printf_debug("Write Lock (Default State).\n");
-		writeb(0, wrprotect);
+		chip_writeb(0, wrprotect);
 		return 0;
 	case 2:
 		printf_debug("Locked Open (Full Access, Lock Down).\n");
@@ -77,11 +77,11 @@
 		return -1;
 	case 4:
 		printf_debug("Read Lock.\n");
-		writeb(0, wrprotect);
+		chip_writeb(0, wrprotect);
 		return 0;
 	case 5:
 		printf_debug("Read/Write Lock.\n");
-		writeb(0, wrprotect);
+		chip_writeb(0, wrprotect);
 		return 0;
 	case 6:
 		fprintf(stderr, "Error: Read Lock, Locked Down.\n");
@@ -106,18 +106,18 @@
 	 */
 
 	/* Product Identification Entry */
-	writeb(0xAA, bios + 0x5555);
-	writeb(0x55, bios + 0x2AAA);
-	writeb(0x90, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
+	chip_writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0x90, bios + 0x5555);
 	myusec_delay(10);
 
 	/* Read Hardware Lock Bits */
-	locking = readb(bios + 0xffff2);
+	locking = chip_readb(bios + 0xffff2);
 
 	/* Product Identification Exit */
-	writeb(0xAA, bios + 0x5555);
-	writeb(0x55, bios + 0x2AAA);
-	writeb(0xF0, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
+	chip_writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0xF0, bios + 0x5555);
 	myusec_delay(10);
 
 	printf_debug("Lockout bits:\n");
@@ -151,13 +151,13 @@
 	printf("0x%08x\b\b\b\b\b\b\b\b\b\b", sector);
 
 	/* Sector Erase */
-	writeb(0xAA, bios + 0x5555);
-	writeb(0x55, bios + 0x2AAA);
-	writeb(0x80, bios + 0x5555);
+	chip_writeb(0xAA, bios + 0x5555);
+	chip_writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0x80, bios + 0x5555);
 
-	writeb(0xAA, bios + 0x5555);
-	writeb(0x55, bios + 0x2AAA);
-	writeb(0x30, bios + sector);
+	chip_writeb(0xAA, bios + 0x5555);
+	chip_writeb(0x55, bios + 0x2AAA);
+	chip_writeb(0x30, bios + sector);
 
 	/* wait for Toggle bit ready */
 	toggle_ready_jedec(bios);