| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | /* |
| 3 | * Copyright (C) 2017 Linaro, Ltd. <ard.biesheuvel@linaro.org> |
| 4 | */ |
| 5 | |
| 6 | #include <linux/linkage.h> |
| 7 | |
| 8 | ENTRY(absolute_data64) |
| 9 | ldr x0, 0f |
| 10 | ret |
| 11 | 0: .quad sym64_abs |
| 12 | ENDPROC(absolute_data64) |
| 13 | |
| 14 | ENTRY(absolute_data32) |
| 15 | ldr w0, 0f |
| 16 | ret |
| 17 | 0: .long sym32_abs |
| 18 | ENDPROC(absolute_data32) |
| 19 | |
| 20 | ENTRY(absolute_data16) |
| 21 | adr x0, 0f |
| 22 | ldrh w0, [x0] |
| 23 | ret |
| 24 | 0: .short sym16_abs, 0 |
| 25 | ENDPROC(absolute_data16) |
| 26 | |
| 27 | ENTRY(signed_movw) |
| 28 | movz x0, #:abs_g2_s:sym64_abs |
| 29 | movk x0, #:abs_g1_nc:sym64_abs |
| 30 | movk x0, #:abs_g0_nc:sym64_abs |
| 31 | ret |
| 32 | ENDPROC(signed_movw) |
| 33 | |
| 34 | ENTRY(unsigned_movw) |
| 35 | movz x0, #:abs_g3:sym64_abs |
| 36 | movk x0, #:abs_g2_nc:sym64_abs |
| 37 | movk x0, #:abs_g1_nc:sym64_abs |
| 38 | movk x0, #:abs_g0_nc:sym64_abs |
| 39 | ret |
| 40 | ENDPROC(unsigned_movw) |
| 41 | |
| 42 | .align 12 |
| 43 | .space 0xff8 |
| 44 | ENTRY(relative_adrp) |
| 45 | adrp x0, sym64_rel |
| 46 | add x0, x0, #:lo12:sym64_rel |
| 47 | ret |
| 48 | ENDPROC(relative_adrp) |
| 49 | |
| 50 | .align 12 |
| 51 | .space 0xffc |
| 52 | ENTRY(relative_adrp_far) |
| 53 | adrp x0, memstart_addr |
| 54 | add x0, x0, #:lo12:memstart_addr |
| 55 | ret |
| 56 | ENDPROC(relative_adrp_far) |
| 57 | |
| 58 | ENTRY(relative_adr) |
| 59 | adr x0, sym64_rel |
| 60 | ret |
| 61 | ENDPROC(relative_adr) |
| 62 | |
| 63 | ENTRY(relative_data64) |
| 64 | adr x1, 0f |
| 65 | ldr x0, [x1] |
| 66 | add x0, x0, x1 |
| 67 | ret |
| 68 | 0: .quad sym64_rel - . |
| 69 | ENDPROC(relative_data64) |
| 70 | |
| 71 | ENTRY(relative_data32) |
| 72 | adr x1, 0f |
| 73 | ldr w0, [x1] |
| 74 | add x0, x0, x1 |
| 75 | ret |
| 76 | 0: .long sym64_rel - . |
| 77 | ENDPROC(relative_data32) |
| 78 | |
| 79 | ENTRY(relative_data16) |
| 80 | adr x1, 0f |
| 81 | ldrsh w0, [x1] |
| 82 | add x0, x0, x1 |
| 83 | ret |
| 84 | 0: .short sym64_rel - ., 0 |
| 85 | ENDPROC(relative_data16) |