xref: /openbmc/linux/arch/mips/kernel/vmlinux.lds.S (revision c21b37f6)
1#include <asm/asm-offsets.h>
2#include <asm-generic/vmlinux.lds.h>
3
4#undef mips
5#define mips mips
6OUTPUT_ARCH(mips)
7ENTRY(kernel_entry)
8jiffies = JIFFIES;
9SECTIONS
10{
11#ifdef CONFIG_BOOT_ELF64
12  /* Read-only sections, merged into text segment: */
13  /* . = 0xc000000000000000; */
14
15  /* This is the value for an Origin kernel, taken from an IRIX kernel.  */
16  /* . = 0xc00000000001c000; */
17
18  /* Set the vaddr for the text segment to a value
19        >= 0xa800 0000 0001 9000 if no symmon is going to configured
20        >= 0xa800 0000 0030 0000 otherwise  */
21
22  /* . = 0xa800000000300000; */
23  /* . = 0xa800000000300000; */
24  . = 0xffffffff80300000;
25#endif
26  . = LOADADDR;
27  /* read-only */
28  _text = .;			/* Text and read-only data */
29  .text : {
30    TEXT_TEXT
31    SCHED_TEXT
32    LOCK_TEXT
33    *(.fixup)
34    *(.gnu.warning)
35  } =0
36
37  _etext = .;			/* End of text section */
38
39  . = ALIGN(16);		/* Exception table */
40  __start___ex_table = .;
41  __ex_table : { *(__ex_table) }
42  __stop___ex_table = .;
43
44  __start___dbe_table = .;	/* Exception table for data bus errors */
45  __dbe_table : { *(__dbe_table) }
46  __stop___dbe_table = .;
47
48  RODATA
49
50  /* writeable */
51  .data : {			/* Data */
52    . = . + DATAOFFSET;		/* for CONFIG_MAPPED_KERNEL */
53    /*
54     * This ALIGN is needed as a workaround for a bug a gcc bug upto 4.1 which
55     * limits the maximum alignment to at most 32kB and results in the following
56     * warning:
57     *
58     *  CC      arch/mips/kernel/init_task.o
59     * arch/mips/kernel/init_task.c:30: warning: alignment of ‘init_thread_union’
60     * is greater than maximum object file alignment.  Using 32768
61     */
62    . = ALIGN(_PAGE_SIZE);
63    *(.data.init_task)
64
65    DATA_DATA
66
67    CONSTRUCTORS
68  }
69  _gp = . + 0x8000;
70  .lit8 : { *(.lit8) }
71  .lit4 : { *(.lit4) }
72  /* We want the small data sections together, so single-instruction offsets
73     can access them all, and initialized data all before uninitialized, so
74     we can shorten the on-disk segment size.  */
75  .sdata     : { *(.sdata) }
76
77  . = ALIGN(_PAGE_SIZE);
78  __nosave_begin = .;
79  .data_nosave : { *(.data.nosave) }
80  . = ALIGN(_PAGE_SIZE);
81  __nosave_end = .;
82
83  . = ALIGN(32);
84  .data.cacheline_aligned : { *(.data.cacheline_aligned) }
85
86  _edata =  .;			/* End of data section */
87
88  /* will be freed after init */
89  . = ALIGN(_PAGE_SIZE);		/* Init code and data */
90  __init_begin = .;
91  .init.text : {
92	_sinittext = .;
93	*(.init.text)
94	_einittext = .;
95  }
96  .init.data : { *(.init.data) }
97  . = ALIGN(16);
98  __setup_start = .;
99  .init.setup : { *(.init.setup) }
100  __setup_end = .;
101
102  __initcall_start = .;
103  .initcall.init : {
104	INITCALLS
105  }
106  __initcall_end = .;
107
108  __con_initcall_start = .;
109  .con_initcall.init : { *(.con_initcall.init) }
110  __con_initcall_end = .;
111  SECURITY_INIT
112    /* .exit.text is discarded at runtime, not link time, to deal with
113     references from .rodata */
114  .exit.text : { *(.exit.text) }
115  .exit.data : { *(.exit.data) }
116#if defined(CONFIG_BLK_DEV_INITRD)
117  . = ALIGN(_PAGE_SIZE);
118  __initramfs_start = .;
119  .init.ramfs : { *(.init.ramfs) }
120  __initramfs_end = .;
121#endif
122  PERCPU(_PAGE_SIZE)
123  . = ALIGN(_PAGE_SIZE);
124  __init_end = .;
125  /* freed after init ends here */
126
127  __bss_start = .;		/* BSS */
128  .sbss      : {
129    *(.sbss)
130    *(.scommon)
131  }
132  .bss : {
133    *(.bss)
134    *(COMMON)
135  }
136  __bss_stop = .;
137
138  _end = . ;
139
140  /* Sections to be discarded */
141  /DISCARD/ : {
142        *(.exitcall.exit)
143
144	/* ABI crap starts here */
145	*(.comment)
146	*(.MIPS.options)
147	*(.note)
148	*(.options)
149	*(.pdr)
150	*(.reginfo)
151	*(.mdebug*)
152  }
153
154  /* This is the MIPS specific mdebug section.  */
155  .mdebug : { *(.mdebug) }
156
157  STABS_DEBUG
158
159  DWARF_DEBUG
160
161  /* These must appear regardless of  .  */
162  .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }
163  .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }
164  .note : { *(.note) }
165}
166