diff options
Diffstat (limited to 'arch/riscv/lib/uaccess.S')
| -rw-r--r-- | arch/riscv/lib/uaccess.S | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/arch/riscv/lib/uaccess.S b/arch/riscv/lib/uaccess.S index 399e6f0c2d98..f29d2ba2c0a6 100644 --- a/arch/riscv/lib/uaccess.S +++ b/arch/riscv/lib/uaccess.S @@ -1,4 +1,5 @@ #include <linux/linkage.h> +#include <asm-generic/export.h> #include <asm/asm.h> #include <asm/csr.h> @@ -18,7 +19,7 @@ ENTRY(__asm_copy_from_user) /* Enable access to user memory */ li t6, SR_SUM - csrs sstatus, t6 + csrs CSR_STATUS, t6 add a3, a1, a2 /* Use word-oriented copy only if low-order bits match */ @@ -47,7 +48,7 @@ ENTRY(__asm_copy_from_user) 3: /* Disable access to user memory */ - csrc sstatus, t6 + csrc CSR_STATUS, t6 li a0, 0 ret 4: /* Edge case: unalignment */ @@ -66,13 +67,15 @@ ENTRY(__asm_copy_from_user) j 3b ENDPROC(__asm_copy_to_user) ENDPROC(__asm_copy_from_user) +EXPORT_SYMBOL(__asm_copy_to_user) +EXPORT_SYMBOL(__asm_copy_from_user) ENTRY(__clear_user) /* Enable access to user memory */ li t6, SR_SUM - csrs sstatus, t6 + csrs CSR_STATUS, t6 add a3, a0, a1 addi t0, a0, SZREG-1 @@ -94,7 +97,7 @@ ENTRY(__clear_user) 3: /* Disable access to user memory */ - csrc sstatus, t6 + csrc CSR_STATUS, t6 li a0, 0 ret 4: /* Edge case: unalignment */ @@ -108,17 +111,18 @@ ENTRY(__clear_user) bltu a0, a3, 5b j 3b ENDPROC(__clear_user) +EXPORT_SYMBOL(__clear_user) .section .fixup,"ax" .balign 4 /* Fixup code for __copy_user(10) and __clear_user(11) */ 10: /* Disable access to user memory */ - csrs sstatus, t6 + csrs CSR_STATUS, t6 mv a0, a2 ret 11: - csrs sstatus, t6 + csrs CSR_STATUS, t6 mv a0, a1 ret .previous |
