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| 1 | +/* SPDX-License-Identifier: GPL-2.0-only */ |
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1 | 2 | /* |
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2 | 3 | * Linker script macros to generate Image header fields. |
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3 | 4 | * |
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4 | 5 | * Copyright (C) 2014 ARM Ltd. |
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5 | | - * |
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6 | | - * This program is free software; you can redistribute it and/or modify |
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7 | | - * it under the terms of the GNU General Public License version 2 as |
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8 | | - * published by the Free Software Foundation. |
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9 | | - * |
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10 | | - * This program is distributed in the hope that it will be useful, |
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11 | | - * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | | - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 | | - * GNU General Public License for more details. |
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14 | | - * |
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15 | | - * You should have received a copy of the GNU General Public License |
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16 | | - * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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17 | 6 | */ |
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18 | | -#ifndef __ASM_IMAGE_H |
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19 | | -#define __ASM_IMAGE_H |
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| 7 | +#ifndef __ARM64_KERNEL_IMAGE_H |
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| 8 | +#define __ARM64_KERNEL_IMAGE_H |
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20 | 9 | |
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21 | 10 | #ifndef LINKER_SCRIPT |
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22 | 11 | #error This file should only be included in vmlinux.lds.S |
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23 | 12 | #endif |
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| 13 | + |
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| 14 | +#include <asm/image.h> |
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24 | 15 | |
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25 | 16 | /* |
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26 | 17 | * There aren't any ELF relocations we can use to endian-swap values known only |
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.. | .. |
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47 | 38 | sym##_lo32 = DATA_LE32((data) & 0xffffffff); \ |
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48 | 39 | sym##_hi32 = DATA_LE32((data) >> 32) |
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49 | 40 | |
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| 41 | +#define __HEAD_FLAG(field) (__HEAD_FLAG_##field << \ |
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| 42 | + ARM64_IMAGE_FLAG_##field##_SHIFT) |
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| 43 | + |
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50 | 44 | #ifdef CONFIG_CPU_BIG_ENDIAN |
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51 | | -#define __HEAD_FLAG_BE 1 |
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| 45 | +#define __HEAD_FLAG_BE ARM64_IMAGE_FLAG_BE |
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52 | 46 | #else |
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53 | | -#define __HEAD_FLAG_BE 0 |
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| 47 | +#define __HEAD_FLAG_BE ARM64_IMAGE_FLAG_LE |
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54 | 48 | #endif |
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55 | 49 | |
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56 | 50 | #define __HEAD_FLAG_PAGE_SIZE ((PAGE_SHIFT - 10) / 2) |
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57 | 51 | |
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58 | 52 | #define __HEAD_FLAG_PHYS_BASE 1 |
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59 | 53 | |
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60 | | -#define __HEAD_FLAGS ((__HEAD_FLAG_BE << 0) | \ |
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61 | | - (__HEAD_FLAG_PAGE_SIZE << 1) | \ |
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62 | | - (__HEAD_FLAG_PHYS_BASE << 3)) |
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| 54 | +#define __HEAD_FLAGS (__HEAD_FLAG(BE) | \ |
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| 55 | + __HEAD_FLAG(PAGE_SIZE) | \ |
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| 56 | + __HEAD_FLAG(PHYS_BASE)) |
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63 | 57 | |
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64 | 58 | /* |
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65 | 59 | * These will output as part of the Image header, which should be little-endian |
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.. | .. |
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68 | 62 | */ |
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69 | 63 | #define HEAD_SYMBOLS \ |
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70 | 64 | DEFINE_IMAGE_LE64(_kernel_size_le, _end - _text); \ |
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71 | | - DEFINE_IMAGE_LE64(_kernel_offset_le, TEXT_OFFSET); \ |
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72 | 65 | DEFINE_IMAGE_LE64(_kernel_flags_le, __HEAD_FLAGS); |
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73 | 66 | |
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74 | | -#ifdef CONFIG_EFI |
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75 | | - |
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76 | | -/* |
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77 | | - * Use ABSOLUTE() to avoid ld.lld treating this as a relative symbol: |
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78 | | - * https://github.com/ClangBuiltLinux/linux/issues/561 |
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79 | | - */ |
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80 | | -__efistub_stext_offset = ABSOLUTE(stext - _text); |
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81 | | - |
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82 | | -/* |
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83 | | - * The EFI stub has its own symbol namespace prefixed by __efistub_, to |
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84 | | - * isolate it from the kernel proper. The following symbols are legally |
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85 | | - * accessed by the stub, so provide some aliases to make them accessible. |
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86 | | - * Only include data symbols here, or text symbols of functions that are |
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87 | | - * guaranteed to be safe when executed at another offset than they were |
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88 | | - * linked at. The routines below are all implemented in assembler in a |
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89 | | - * position independent manner |
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90 | | - */ |
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91 | | -__efistub_memcmp = __pi_memcmp; |
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92 | | -__efistub_memchr = __pi_memchr; |
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93 | | -__efistub_memcpy = __pi_memcpy; |
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94 | | -__efistub_memmove = __pi_memmove; |
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95 | | -__efistub_memset = __pi_memset; |
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96 | | -__efistub_strlen = __pi_strlen; |
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97 | | -__efistub_strnlen = __pi_strnlen; |
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98 | | -__efistub_strcmp = __pi_strcmp; |
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99 | | -__efistub_strncmp = __pi_strncmp; |
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100 | | -__efistub_strrchr = __pi_strrchr; |
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101 | | -__efistub___flush_dcache_area = __pi___flush_dcache_area; |
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102 | | - |
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103 | | -#ifdef CONFIG_KASAN |
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104 | | -__efistub___memcpy = __pi_memcpy; |
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105 | | -__efistub___memmove = __pi_memmove; |
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106 | | -__efistub___memset = __pi_memset; |
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107 | | -#endif |
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108 | | - |
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109 | | -__efistub__text = _text; |
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110 | | -__efistub__end = _end; |
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111 | | -__efistub__edata = _edata; |
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112 | | -__efistub_screen_info = screen_info; |
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113 | | - |
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114 | | -#endif |
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115 | | - |
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116 | | -#endif /* __ASM_IMAGE_H */ |
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| 67 | +#endif /* __ARM64_KERNEL_IMAGE_H */ |
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