xref: /OK3568_Linux_fs/kernel/arch/s390/boot/compressed/vmlinux.lds.S (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun/* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun#include <asm-generic/vmlinux.lds.h>
3*4882a593Smuzhiyun#include <asm/vmlinux.lds.h>
4*4882a593Smuzhiyun
5*4882a593SmuzhiyunOUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390")
6*4882a593SmuzhiyunOUTPUT_ARCH(s390:64-bit)
7*4882a593Smuzhiyun
8*4882a593SmuzhiyunENTRY(startup)
9*4882a593Smuzhiyun
10*4882a593SmuzhiyunSECTIONS
11*4882a593Smuzhiyun{
12*4882a593Smuzhiyun	. = 0;
13*4882a593Smuzhiyun	.head.text : {
14*4882a593Smuzhiyun		_head = . ;
15*4882a593Smuzhiyun		HEAD_TEXT
16*4882a593Smuzhiyun		_ehead = . ;
17*4882a593Smuzhiyun	}
18*4882a593Smuzhiyun	.text :	{
19*4882a593Smuzhiyun		_text = .;	/* Text */
20*4882a593Smuzhiyun		*(.text)
21*4882a593Smuzhiyun		*(.text.*)
22*4882a593Smuzhiyun		_etext = . ;
23*4882a593Smuzhiyun	}
24*4882a593Smuzhiyun	.rodata : {
25*4882a593Smuzhiyun		_rodata = . ;
26*4882a593Smuzhiyun		*(.rodata)	 /* read-only data */
27*4882a593Smuzhiyun		*(.rodata.*)
28*4882a593Smuzhiyun		_erodata = . ;
29*4882a593Smuzhiyun	}
30*4882a593Smuzhiyun	.data :	{
31*4882a593Smuzhiyun		_data = . ;
32*4882a593Smuzhiyun		*(.data)
33*4882a593Smuzhiyun		*(.data.*)
34*4882a593Smuzhiyun		_edata = . ;
35*4882a593Smuzhiyun	}
36*4882a593Smuzhiyun	/*
37*4882a593Smuzhiyun	* .dma section for code, data, ex_table that need to stay below 2 GB,
38*4882a593Smuzhiyun	* even when the kernel is relocate: above 2 GB.
39*4882a593Smuzhiyun	*/
40*4882a593Smuzhiyun	. = ALIGN(PAGE_SIZE);
41*4882a593Smuzhiyun	_sdma = .;
42*4882a593Smuzhiyun	.dma.text : {
43*4882a593Smuzhiyun		_stext_dma = .;
44*4882a593Smuzhiyun		*(.dma.text)
45*4882a593Smuzhiyun		. = ALIGN(PAGE_SIZE);
46*4882a593Smuzhiyun		_etext_dma = .;
47*4882a593Smuzhiyun	}
48*4882a593Smuzhiyun	. = ALIGN(16);
49*4882a593Smuzhiyun	.dma.ex_table : {
50*4882a593Smuzhiyun		_start_dma_ex_table = .;
51*4882a593Smuzhiyun		KEEP(*(.dma.ex_table))
52*4882a593Smuzhiyun		_stop_dma_ex_table = .;
53*4882a593Smuzhiyun	}
54*4882a593Smuzhiyun	.dma.data : { *(.dma.data) }
55*4882a593Smuzhiyun	. = ALIGN(PAGE_SIZE);
56*4882a593Smuzhiyun	_edma = .;
57*4882a593Smuzhiyun
58*4882a593Smuzhiyun	BOOT_DATA
59*4882a593Smuzhiyun	BOOT_DATA_PRESERVED
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun	/*
62*4882a593Smuzhiyun	 * This is the BSS section of the decompressor and not of the decompressed Linux kernel.
63*4882a593Smuzhiyun	 * It will consume place in the decompressor's image.
64*4882a593Smuzhiyun	 */
65*4882a593Smuzhiyun	. = ALIGN(8);
66*4882a593Smuzhiyun	.bss : {
67*4882a593Smuzhiyun		_bss = . ;
68*4882a593Smuzhiyun		*(.bss)
69*4882a593Smuzhiyun		*(.bss.*)
70*4882a593Smuzhiyun		*(COMMON)
71*4882a593Smuzhiyun		_ebss = .;
72*4882a593Smuzhiyun	}
73*4882a593Smuzhiyun
74*4882a593Smuzhiyun	/*
75*4882a593Smuzhiyun	 * uncompressed image info used by the decompressor it should match
76*4882a593Smuzhiyun	 * struct vmlinux_info. It comes from .vmlinux.info section of
77*4882a593Smuzhiyun	 * uncompressed vmlinux in a form of info.o
78*4882a593Smuzhiyun	 */
79*4882a593Smuzhiyun	. = ALIGN(8);
80*4882a593Smuzhiyun	.vmlinux.info : {
81*4882a593Smuzhiyun		_vmlinux_info = .;
82*4882a593Smuzhiyun		*(.vmlinux.info)
83*4882a593Smuzhiyun	}
84*4882a593Smuzhiyun
85*4882a593Smuzhiyun#ifdef CONFIG_KERNEL_UNCOMPRESSED
86*4882a593Smuzhiyun	. = 0x100000;
87*4882a593Smuzhiyun#else
88*4882a593Smuzhiyun	. = ALIGN(8);
89*4882a593Smuzhiyun#endif
90*4882a593Smuzhiyun	.rodata.compressed : {
91*4882a593Smuzhiyun		_compressed_start = .;
92*4882a593Smuzhiyun		*(.vmlinux.bin.compressed)
93*4882a593Smuzhiyun		_compressed_end = .;
94*4882a593Smuzhiyun	}
95*4882a593Smuzhiyun
96*4882a593Smuzhiyun#define SB_TRAILER_SIZE 32
97*4882a593Smuzhiyun	/* Trailer needed for Secure Boot */
98*4882a593Smuzhiyun	. += SB_TRAILER_SIZE; /* make sure .sb.trailer does not overwrite the previous section */
99*4882a593Smuzhiyun	. = ALIGN(4096) - SB_TRAILER_SIZE;
100*4882a593Smuzhiyun	.sb.trailer : {
101*4882a593Smuzhiyun		QUAD(0)
102*4882a593Smuzhiyun		QUAD(0)
103*4882a593Smuzhiyun		QUAD(0)
104*4882a593Smuzhiyun		QUAD(0x000000207a49504c)
105*4882a593Smuzhiyun	}
106*4882a593Smuzhiyun	_end = .;
107*4882a593Smuzhiyun
108*4882a593Smuzhiyun	/* Sections to be discarded */
109*4882a593Smuzhiyun	/DISCARD/ : {
110*4882a593Smuzhiyun		*(.eh_frame)
111*4882a593Smuzhiyun		*(__ex_table)
112*4882a593Smuzhiyun		*(*__ksymtab*)
113*4882a593Smuzhiyun		*(___kcrctab*)
114*4882a593Smuzhiyun	}
115*4882a593Smuzhiyun}
116