2 * Copyright (C) 2000 Russell King
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
9 #ifdef CONFIG_CPU_ENDIAN_BE8
10 #define ZIMAGE_MAGIC(x) ( (((x) >> 24) & 0x000000ff) | \
11 (((x) >> 8) & 0x0000ff00) | \
12 (((x) << 8) & 0x00ff0000) | \
13 (((x) << 24) & 0xff000000) )
15 #define ZIMAGE_MAGIC(x) (x)
26 * Discard any r/w data - this produces a link error if we have any,
27 * which is required for PIC decompression. Local data generates
28 * GOTOFF relocations, which prevents it being relocated independently
29 * of the text/got segments.
50 LONG(ZIMAGE_MAGIC(0x5a534c4b))
51 LONG(ZIMAGE_MAGIC(__piggy_size_addr - _start))
52 LONG(ZIMAGE_MAGIC(_kernel_bss_size))
63 __piggy_size_addr = . - 4;
69 .got.plt : { *(.got.plt) }
74 /* ensure the zImage file size is always a multiple of 64 bits */
75 /* (without a dummy byte, ld just ignores the empty section) */
76 .pad : { BYTE(0); . = ALIGN(8); }
78 #ifdef CONFIG_EFI_STUB
80 __pecoff_data_start = .;
82 * The EFI stub always executes from RAM, and runs strictly before the
83 * decompressor, so we can make an exception for its r/w data, and keep it
86 __pecoff_data_end = .;
89 * PE/COFF mandates a file size which is a multiple of 512 bytes if the
90 * section size equals or exceeds 4 KB
94 __pecoff_data_rawsize = . - ADDR(.data);
100 * The image_end section appears after any additional loadable sections
101 * that the linker may decide to insert in the binary image. Having
102 * this symbol allows further debug in the near future.
104 .image_end (NOLOAD) : {
106 * EFI requires that the image is aligned to 512 bytes, and appended
107 * DTB requires that we know where the end of the image is. Ensure
108 * that both are satisfied by ensuring that there are no additional
109 * sections emitted into the decompressor image.
114 _magic_sig = ZIMAGE_MAGIC(0x016f2818);
115 _magic_start = ZIMAGE_MAGIC(_start);
116 _magic_end = ZIMAGE_MAGIC(_edata);
117 _magic_table = ZIMAGE_MAGIC(_table_start - _start);
124 . = ALIGN(8); /* the stack must be 64-bit aligned */
125 .stack : { *(.stack) }
127 PROVIDE(__pecoff_data_size = ALIGN(512) - ADDR(.data));
128 PROVIDE(__pecoff_end = ALIGN(512));
130 .stab 0 : { *(.stab) }
131 .stabstr 0 : { *(.stabstr) }
132 .stab.excl 0 : { *(.stab.excl) }
133 .stab.exclstr 0 : { *(.stab.exclstr) }
134 .stab.index 0 : { *(.stab.index) }
135 .stab.indexstr 0 : { *(.stab.indexstr) }
136 .comment 0 : { *(.comment) }
138 ASSERT(_edata_real == _edata, "error: zImage file size is incorrect");