diff options
Diffstat (limited to 'arch/riscv/lib')
-rw-r--r-- | arch/riscv/lib/Makefile | 2 | ||||
-rw-r--r-- | arch/riscv/lib/tishift.S | 59 | ||||
-rw-r--r-- | arch/riscv/lib/udivdi3.S | 42 |
3 files changed, 54 insertions, 49 deletions
diff --git a/arch/riscv/lib/Makefile b/arch/riscv/lib/Makefile index 5739bd05d289..4e2e600f7d53 100644 --- a/arch/riscv/lib/Makefile +++ b/arch/riscv/lib/Makefile @@ -3,6 +3,6 @@ lib-y += memcpy.o lib-y += memset.o lib-y += uaccess.o -lib-(CONFIG_64BIT) += tishift.o +lib-$(CONFIG_64BIT) += tishift.o lib-$(CONFIG_32BIT) += udivdi3.o diff --git a/arch/riscv/lib/tishift.S b/arch/riscv/lib/tishift.S index 69abb1277234..237bc9fd0763 100644 --- a/arch/riscv/lib/tishift.S +++ b/arch/riscv/lib/tishift.S @@ -10,33 +10,36 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ - .globl __lshrti3 -__lshrti3: - beqz a2, .L1 - li a5,64 - sub a5,a5,a2 - addi sp,sp,-16 - sext.w a4,a5 - blez a5, .L2 - sext.w a2,a2 - sll a4,a1,a4 - srl a0,a0,a2 - srl a1,a1,a2 - or a0,a0,a4 - sd a1,8(sp) - sd a0,0(sp) - ld a0,0(sp) - ld a1,8(sp) - addi sp,sp,16 - ret + +#include <linux/linkage.h> + +ENTRY(__lshrti3) + beqz a2, .L1 + li a5,64 + sub a5,a5,a2 + addi sp,sp,-16 + sext.w a4,a5 + blez a5, .L2 + sext.w a2,a2 + sll a4,a1,a4 + srl a0,a0,a2 + srl a1,a1,a2 + or a0,a0,a4 + sd a1,8(sp) + sd a0,0(sp) + ld a0,0(sp) + ld a1,8(sp) + addi sp,sp,16 + ret .L1: - ret + ret .L2: - negw a4,a4 - srl a1,a1,a4 - sd a1,0(sp) - sd zero,8(sp) - ld a0,0(sp) - ld a1,8(sp) - addi sp,sp,16 - ret + negw a4,a4 + srl a1,a1,a4 + sd a1,0(sp) + sd zero,8(sp) + ld a0,0(sp) + ld a1,8(sp) + addi sp,sp,16 + ret +ENDPROC(__lshrti3) diff --git a/arch/riscv/lib/udivdi3.S b/arch/riscv/lib/udivdi3.S index cb01ae5b181a..7f1c0af182a3 100644 --- a/arch/riscv/lib/udivdi3.S +++ b/arch/riscv/lib/udivdi3.S @@ -11,28 +11,30 @@ * GNU General Public License for more details. */ - .globl __udivdi3 -__udivdi3: - mv a2, a1 - mv a1, a0 - li a0, -1 - beqz a2, .L5 - li a3, 1 - bgeu a2, a1, .L2 +#include <linux/linkage.h> + +ENTRY(__udivdi3) + mv a2, a1 + mv a1, a0 + li a0, -1 + beqz a2, .L5 + li a3, 1 + bgeu a2, a1, .L2 .L1: - blez a2, .L2 - slli a2, a2, 1 - slli a3, a3, 1 - bgtu a1, a2, .L1 + blez a2, .L2 + slli a2, a2, 1 + slli a3, a3, 1 + bgtu a1, a2, .L1 .L2: - li a0, 0 + li a0, 0 .L3: - bltu a1, a2, .L4 - sub a1, a1, a2 - or a0, a0, a3 + bltu a1, a2, .L4 + sub a1, a1, a2 + or a0, a0, a3 .L4: - srli a3, a3, 1 - srli a2, a2, 1 - bnez a3, .L3 + srli a3, a3, 1 + srli a2, a2, 1 + bnez a3, .L3 .L5: - ret + ret +ENDPROC(__udivdi3) |