usb: dwc3: support for pinctrl state change during system sleep
[linux/fpc-iii.git] / arch / arm64 / kernel / image.h
blob8fae0756e1759bad77406b0e3c76cad64b998ae0
1 /*
2 * Linker script macros to generate Image header fields.
4 * Copyright (C) 2014 ARM Ltd.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 #ifndef __ASM_IMAGE_H
19 #define __ASM_IMAGE_H
21 #ifndef LINKER_SCRIPT
22 #error This file should only be included in vmlinux.lds.S
23 #endif
26 * There aren't any ELF relocations we can use to endian-swap values known only
27 * at link time (e.g. the subtraction of two symbol addresses), so we must get
28 * the linker to endian-swap certain values before emitting them.
30 #ifdef CONFIG_CPU_BIG_ENDIAN
31 #define DATA_LE64(data) \
32 ((((data) & 0x00000000000000ff) << 56) | \
33 (((data) & 0x000000000000ff00) << 40) | \
34 (((data) & 0x0000000000ff0000) << 24) | \
35 (((data) & 0x00000000ff000000) << 8) | \
36 (((data) & 0x000000ff00000000) >> 8) | \
37 (((data) & 0x0000ff0000000000) >> 24) | \
38 (((data) & 0x00ff000000000000) >> 40) | \
39 (((data) & 0xff00000000000000) >> 56))
40 #else
41 #define DATA_LE64(data) ((data) & 0xffffffffffffffff)
42 #endif
44 #ifdef CONFIG_CPU_BIG_ENDIAN
45 #define __HEAD_FLAG_BE 1
46 #else
47 #define __HEAD_FLAG_BE 0
48 #endif
50 #define __HEAD_FLAGS (__HEAD_FLAG_BE << 0)
53 * These will output as part of the Image header, which should be little-endian
54 * regardless of the endianness of the kernel. While constant values could be
55 * endian swapped in head.S, all are done here for consistency.
57 #define HEAD_SYMBOLS \
58 _kernel_size_le = DATA_LE64(_end - _text); \
59 _kernel_offset_le = DATA_LE64(TEXT_OFFSET); \
60 _kernel_flags_le = DATA_LE64(__HEAD_FLAGS);
62 #endif /* __ASM_IMAGE_H */