diff options
Diffstat (limited to 'sys/riscv/riscv/copyinout.S')
| -rw-r--r-- | sys/riscv/riscv/copyinout.S | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/riscv/riscv/copyinout.S b/sys/riscv/riscv/copyinout.S index 1f2a44121ecd..5a171f5a5e17 100644 --- a/sys/riscv/riscv/copyinout.S +++ b/sys/riscv/riscv/copyinout.S @@ -118,7 +118,7 @@ ENTRY(copyout) beqz a2, copyout_end /* If len == 0 then skip loop */ add a3, a1, a2 li a4, VM_MAXUSER_ADDRESS - bgt a3, a4, copyio_fault_nopcb + bgeu a3, a4, copyio_fault_nopcb copycommon @@ -136,7 +136,7 @@ ENTRY(copyin) beqz a2, copyin_end /* If len == 0 then skip loop */ add a3, a0, a2 li a4, VM_MAXUSER_ADDRESS - bgt a3, a4, copyio_fault_nopcb + bgeu a3, a4, copyio_fault_nopcb copycommon @@ -159,7 +159,7 @@ ENTRY(copyinstr) ENTER_USER_ACCESS(a7) li a7, VM_MAXUSER_ADDRESS -1: bgt a0, a7, copyio_fault +1: bgeu a0, a7, copyio_fault lb a4, 0(a0) /* Load from uaddr */ addi a0, a0, 1 sb a4, 0(a1) /* Store in kaddr */ |