mirror of https://gitee.com/openkylin/linux.git
86 lines
1.5 KiB
ArmAsm
86 lines
1.5 KiB
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Copyright (C) 2017 Linaro, Ltd. <ard.biesheuvel@linaro.org>
|
|
*/
|
|
|
|
#include <linux/linkage.h>
|
|
|
|
SYM_FUNC_START(absolute_data64)
|
|
ldr x0, 0f
|
|
ret
|
|
0: .quad sym64_abs
|
|
SYM_FUNC_END(absolute_data64)
|
|
|
|
SYM_FUNC_START(absolute_data32)
|
|
ldr w0, 0f
|
|
ret
|
|
0: .long sym32_abs
|
|
SYM_FUNC_END(absolute_data32)
|
|
|
|
SYM_FUNC_START(absolute_data16)
|
|
adr x0, 0f
|
|
ldrh w0, [x0]
|
|
ret
|
|
0: .short sym16_abs, 0
|
|
SYM_FUNC_END(absolute_data16)
|
|
|
|
SYM_FUNC_START(signed_movw)
|
|
movz x0, #:abs_g2_s:sym64_abs
|
|
movk x0, #:abs_g1_nc:sym64_abs
|
|
movk x0, #:abs_g0_nc:sym64_abs
|
|
ret
|
|
SYM_FUNC_END(signed_movw)
|
|
|
|
SYM_FUNC_START(unsigned_movw)
|
|
movz x0, #:abs_g3:sym64_abs
|
|
movk x0, #:abs_g2_nc:sym64_abs
|
|
movk x0, #:abs_g1_nc:sym64_abs
|
|
movk x0, #:abs_g0_nc:sym64_abs
|
|
ret
|
|
SYM_FUNC_END(unsigned_movw)
|
|
|
|
.align 12
|
|
.space 0xff8
|
|
SYM_FUNC_START(relative_adrp)
|
|
adrp x0, sym64_rel
|
|
add x0, x0, #:lo12:sym64_rel
|
|
ret
|
|
SYM_FUNC_END(relative_adrp)
|
|
|
|
.align 12
|
|
.space 0xffc
|
|
SYM_FUNC_START(relative_adrp_far)
|
|
adrp x0, memstart_addr
|
|
add x0, x0, #:lo12:memstart_addr
|
|
ret
|
|
SYM_FUNC_END(relative_adrp_far)
|
|
|
|
SYM_FUNC_START(relative_adr)
|
|
adr x0, sym64_rel
|
|
ret
|
|
SYM_FUNC_END(relative_adr)
|
|
|
|
SYM_FUNC_START(relative_data64)
|
|
adr x1, 0f
|
|
ldr x0, [x1]
|
|
add x0, x0, x1
|
|
ret
|
|
0: .quad sym64_rel - .
|
|
SYM_FUNC_END(relative_data64)
|
|
|
|
SYM_FUNC_START(relative_data32)
|
|
adr x1, 0f
|
|
ldr w0, [x1]
|
|
add x0, x0, x1
|
|
ret
|
|
0: .long sym64_rel - .
|
|
SYM_FUNC_END(relative_data32)
|
|
|
|
SYM_FUNC_START(relative_data16)
|
|
adr x1, 0f
|
|
ldrsh w0, [x1]
|
|
add x0, x0, x1
|
|
ret
|
|
0: .short sym64_rel - ., 0
|
|
SYM_FUNC_END(relative_data16)
|