Index: head/sys/dev/xilinx/axidma.c
===================================================================
--- head/sys/dev/xilinx/axidma.c
+++ head/sys/dev/xilinx/axidma.c
@@ -363,7 +363,7 @@
 	chan->mem_vaddr = kva_alloc(chan->mem_size);
 	pmap_kenter_device(chan->mem_vaddr, chan->mem_size, chan->mem_paddr);
 
-	device_printf(sc->dev, "Allocated chunk %lx %d\n",
+	device_printf(sc->dev, "Allocated chunk %lx %lu\n",
 	    chan->mem_paddr, chan->mem_size);
 
 	for (i = 0; i < nsegments; i++) {
Index: head/sys/riscv/riscv/db_disasm.c
===================================================================
--- head/sys/riscv/riscv/db_disasm.c
+++ head/sys/riscv/riscv/db_disasm.c
@@ -416,7 +416,7 @@
 				imm |= ((insn >> 12) & 0x1) << 5;
 				if (imm & (1 << 5))
 					imm |= (0x7ffffff << 5); /* sign ext */
-				db_printf("0x%lx", imm);
+				db_printf("0x%x", imm);
 				break;
 			case 'o':
 				imm = ((insn >> 2) & 0x1f) << 0;
@@ -524,7 +524,7 @@
 			imm = (insn >> 12) & 0xfffff;
 			if (imm & (1 << 20))
 				imm |= (0xfff << 20);	/* sign extend */
-			db_printf("0x%lx", imm);
+			db_printf("0x%x", imm);
 			break;
 		case 'j':
 			/* imm[11:0] << 20 */
Index: head/sys/riscv/riscv/intr_machdep.c
===================================================================
--- head/sys/riscv/riscv/intr_machdep.c
+++ head/sys/riscv/riscv/intr_machdep.c
@@ -73,9 +73,9 @@
 static void
 riscv_mask_irq(void *source)
 {
-	uintptr_t irq;
+	int irq;
 
-	irq = (uintptr_t)source;
+	irq = (int)(uintptr_t)source;
 
 	switch (irq) {
 	case IRQ_TIMER_SUPERVISOR:
@@ -95,9 +95,9 @@
 static void
 riscv_unmask_irq(void *source)
 {
-	uintptr_t irq;
+	int irq;
 
-	irq = (uintptr_t)source;
+	irq = (int)(uintptr_t)source;
 
 	switch (irq) {
 	case IRQ_TIMER_SUPERVISOR:
Index: head/sys/riscv/riscv/pmap.c
===================================================================
--- head/sys/riscv/riscv/pmap.c
+++ head/sys/riscv/riscv/pmap.c
@@ -590,7 +590,7 @@
 		if (physmap[i + 1] > max_pa)
 			max_pa = physmap[i + 1];
 	}
-	printf("physmap_idx %lx\n", physmap_idx);
+	printf("physmap_idx %u\n", physmap_idx);
 	printf("min_pa %lx\n", min_pa);
 	printf("max_pa %lx\n", max_pa);
 
Index: head/sys/riscv/riscv/sbi.c
===================================================================
--- head/sys/riscv/riscv/sbi.c
+++ head/sys/riscv/riscv/sbi.c
@@ -104,7 +104,7 @@
 
 	switch (sbi_impl_id) {
 	case (SBI_IMPL_ID_BBL):
-		printf("SBI: Berkely Boot Loader %u\n", sbi_impl_version);
+		printf("SBI: Berkely Boot Loader %lu\n", sbi_impl_version);
 		break;
 	case (SBI_IMPL_ID_OPENSBI):
 		major = sbi_impl_version >> OPENSBI_VERSION_MAJOR_OFFSET;
@@ -112,7 +112,7 @@
 		printf("SBI: OpenSBI v%u.%u\n", major, minor);
 		break;
 	default:
-		printf("SBI: Unrecognized Implementation: %u\n", sbi_impl_id);
+		printf("SBI: Unrecognized Implementation: %lu\n", sbi_impl_id);
 		break;
 	}
 
Index: head/sys/riscv/riscv/trap.c
===================================================================
--- head/sys/riscv/riscv/trap.c
+++ head/sys/riscv/riscv/trap.c
@@ -306,7 +306,7 @@
 		break;
 	default:
 		dump_regs(frame);
-		panic("Unknown kernel exception %x trap value %lx\n",
+		panic("Unknown kernel exception %lx trap value %lx\n",
 		    exception, frame->tf_stval);
 	}
 }
@@ -375,7 +375,7 @@
 		break;
 	default:
 		dump_regs(frame);
-		panic("Unknown userland exception %x, trap value %lx\n",
+		panic("Unknown userland exception %lx, trap value %lx\n",
 		    exception, frame->tf_stval);
 	}
 }