diff options
Diffstat (limited to 'src/arch/arm64/memcpy.S')
-rw-r--r-- | src/arch/arm64/memcpy.S | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/src/arch/arm64/memcpy.S b/src/arch/arm64/memcpy.S deleted file mode 100644 index ccad4cf8cc..0000000000 --- a/src/arch/arm64/memcpy.S +++ /dev/null @@ -1,52 +0,0 @@ -/* - * Copyright (C) 2013 ARM Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include <arch/asm.h> - -/* - * Copy a buffer from src to dest (alignment handled by the hardware) - * - * Parameters: - * x0 - dest - * x1 - src - * x2 - n - * Returns: - * x0 - dest - */ -ENTRY(memcpy) - mov x4, x0 - subs x2, x2, #8 - b.mi 2f -1: ldr x3, [x1], #8 - subs x2, x2, #8 - str x3, [x4], #8 - b.pl 1b -2: adds x2, x2, #4 - b.mi 3f - ldr w3, [x1], #4 - sub x2, x2, #4 - str w3, [x4], #4 -3: adds x2, x2, #2 - b.mi 4f - ldrh w3, [x1], #2 - sub x2, x2, #2 - strh w3, [x4], #2 -4: adds x2, x2, #1 - b.mi 5f - ldrb w3, [x1] - strb w3, [x4] -5: ret -ENDPROC(memcpy) |