Index: boot/genarch/src/ofw.c
===================================================================
--- boot/genarch/src/ofw.c	(revision 9539be6c880110557328e7e518cf276b94c1b07f)
+++ boot/genarch/src/ofw.c	(revision d47279b2f0d838ae7529b29470835aa5a33ddc2b)
@@ -243,5 +243,5 @@
 	void *addr = ofw_claim_virt_internal(virt, len, 0);
 	if (addr != virt) {
-		printf("Error: Unable to claim virtual memory %p (size %u), halting.\n",
+		printf("Error: Unable to claim virtual memory %p (size %zu), halting.\n",
 		    virt, len);
 		halt();
@@ -254,5 +254,5 @@
 	
 	if (addr == NULL) {
-		printf("Error: Unable to claim %u bytes in virtual memory, halting.\n",
+		printf("Error: Unable to claim %zu bytes in virtual memory, halting.\n",
 		    len);
 		halt();
@@ -305,5 +305,5 @@
 	void *addr = ofw_claim_phys_internal(phys, len, 0);
 	if (addr != phys) {
-		printf("Error: Unable to claim physical memory %p (size %u), halting.\n",
+		printf("Error: Unable to claim physical memory %p (size %zu), halting.\n",
 		    phys, len);
 		halt();
@@ -315,5 +315,5 @@
 	void *addr = ofw_claim_phys_internal(NULL, len, alignment);
 	if (addr == NULL) {
-		printf("Error: Unable to claim %u bytes in physical memory, halting.\n",
+		printf("Error: Unable to claim %zu bytes in physical memory, halting.\n",
 		    len);
 		halt();
@@ -343,5 +343,5 @@
 	
 	if (ret != 0) {
-		printf("Error: Unable to map %p to %p (size %u), halting.\n",
+		printf("Error: Unable to map %p to %p (size %zu), halting.\n",
 		    virt, phys, size);
 		halt();