Index: head/sys/riscv/riscv/bus_space_asm.S
===================================================================
--- head/sys/riscv/riscv/bus_space_asm.S
+++ head/sys/riscv/riscv/bus_space_asm.S
@@ -1,5 +1,5 @@
/*-
- * Copyright (c) 2016 Ruslan Bukin
+ * Copyright (c) 2016-2020 Ruslan Bukin
* All rights reserved.
*
* Portions of this software were developed by SRI International and the
@@ -38,13 +38,13 @@
ENTRY(generic_bs_r_1)
add a3, a1, a2
- lb a0, 0(a3)
+ lbu a0, 0(a3)
ret
END(generic_bs_r_1)
ENTRY(generic_bs_r_2)
add a3, a1, a2
- lh a0, 0(a3)
+ lhu a0, 0(a3)
ret
END(generic_bs_r_2)
Index: head/sys/riscv/riscv/support.S
===================================================================
--- head/sys/riscv/riscv/support.S
+++ head/sys/riscv/riscv/support.S
@@ -1,5 +1,5 @@
/*-
- * Copyright (c) 2015-2018 Ruslan Bukin
+ * Copyright (c) 2015-2020 Ruslan Bukin
* All rights reserved.
*
* Portions of this software were developed by SRI International and the
@@ -102,7 +102,7 @@
la a6, fsu_fault /* Load the fault handler */
SET_FAULT_HANDLER(a6, a1) /* And set it */
ENTER_USER_ACCESS(a1)
- lb a0, 0(a0) /* Try loading the data */
+ lbu a0, 0(a0) /* Try loading the data */
EXIT_USER_ACCESS(a1)
SET_FAULT_HANDLER(x0, a1) /* Reset the fault handler */
ret /* Return */
@@ -117,7 +117,7 @@
la a6, fsu_fault /* Load the fault handler */
SET_FAULT_HANDLER(a6, a1) /* And set it */
ENTER_USER_ACCESS(a1)
- lh a0, 0(a0) /* Try loading the data */
+ lhu a0, 0(a0) /* Try loading the data */
EXIT_USER_ACCESS(a1)
SET_FAULT_HANDLER(x0, a1) /* Reset the fault handler */
ret /* Return */