diff options
Diffstat (limited to 'arch/avr32/lib/clear_user.S')
-rw-r--r-- | arch/avr32/lib/clear_user.S | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/arch/avr32/lib/clear_user.S b/arch/avr32/lib/clear_user.S deleted file mode 100644 index d8991b6f8eb7..000000000000 --- a/arch/avr32/lib/clear_user.S +++ /dev/null @@ -1,76 +0,0 @@ -/* - * Copyright 2004-2006 Atmel Corporation - * - * 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. - */ -#include <asm/page.h> -#include <asm/thread_info.h> -#include <asm/asm.h> - - .text - .align 1 - .global clear_user - .type clear_user, "function" -clear_user: - branch_if_kernel r8, __clear_user - ret_if_privileged r8, r12, r11, r11 - - .global __clear_user - .type __clear_user, "function" -__clear_user: - mov r9, r12 - mov r8, 0 - andl r9, 3, COH - brne 5f - -1: sub r11, 4 - brlt 2f - -10: st.w r12++, r8 - sub r11, 4 - brge 10b - -2: sub r11, -4 - reteq 0 - - /* Unaligned count or address */ - bld r11, 1 - brcc 12f -11: st.h r12++, r8 - sub r11, 2 - reteq 0 -12: st.b r12++, r8 - retal 0 - - /* Unaligned address */ -5: cp.w r11, 4 - brlt 2b - - lsl r9, 2 - add pc, pc, r9 -13: st.b r12++, r8 - sub r11, 1 -14: st.b r12++, r8 - sub r11, 1 -15: st.b r12++, r8 - sub r11, 1 - rjmp 1b - - .size clear_user, . - clear_user - .size __clear_user, . - __clear_user - - .section .fixup, "ax" - .align 1 -18: sub r11, -4 -19: retal r11 - - .section __ex_table, "a" - .align 2 - .long 10b, 18b - .long 11b, 19b - .long 12b, 19b - .long 13b, 19b - .long 14b, 19b - .long 15b, 19b |