xref: /openbmc/linux/arch/mips/kernel/vmlinux.lds.S (revision 4800cd83) 
1#include <asm/asm-offsets.h>
2#include <asm/page.h>
3#include <asm-generic/vmlinux.lds.h>
4
5#undef mips
6#define mips mips
7OUTPUT_ARCH(mips)
8ENTRY(kernel_entry)
9PHDRS {
10	text PT_LOAD FLAGS(7);	/* RWX */
11	note PT_NOTE FLAGS(4);	/* R__ */
12}
13
14#ifdef CONFIG_32BIT
15	#ifdef CONFIG_CPU_LITTLE_ENDIAN
16		jiffies  = jiffies_64;
17	#else
18		jiffies  = jiffies_64 + 4;
19	#endif
20#else
21	jiffies  = jiffies_64;
22#endif
23
24SECTIONS
25{
26#ifdef CONFIG_BOOT_ELF64
27	/* Read-only sections, merged into text segment: */
28	/* . = 0xc000000000000000; */
29
30	/* This is the value for an Origin kernel, taken from an IRIX kernel.  */
31	/* . = 0xc00000000001c000; */
32
33	/* Set the vaddr for the text segment to a value
34	 *   >= 0xa800 0000 0001 9000 if no symmon is going to configured
35	 *   >= 0xa800 0000 0030 0000 otherwise
36	 */
37
38	/* . = 0xa800000000300000; */
39	. = 0xffffffff80300000;
40#endif
41	. = VMLINUX_LOAD_ADDRESS;
42	/* read-only */
43	_text = .;	/* Text and read-only data */
44	.text : {
45		TEXT_TEXT
46		SCHED_TEXT
47		LOCK_TEXT
48		KPROBES_TEXT
49		IRQENTRY_TEXT
50		*(.text.*)
51		*(.fixup)
52		*(.gnu.warning)
53	} :text = 0
54	_etext = .;	/* End of text section */
55
56	EXCEPTION_TABLE(16)
57
58	/* Exception table for data bus errors */
59	__dbe_table : {
60		__start___dbe_table = .;
61		*(__dbe_table)
62		__stop___dbe_table = .;
63	}
64
65	NOTES :text :note
66	.dummy : { *(.dummy) } :text
67
68	RODATA
69
70	/* writeable */
71	.data : {	/* Data */
72		. = . + DATAOFFSET;		/* for CONFIG_MAPPED_KERNEL */
73
74		INIT_TASK_DATA(PAGE_SIZE)
75		NOSAVE_DATA
76		CACHELINE_ALIGNED_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
77		DATA_DATA
78		CONSTRUCTORS
79	}
80	_gp = . + 0x8000;
81	.lit8 : {
82		*(.lit8)
83	}
84	.lit4 : {
85		*(.lit4)
86	}
87	/* We want the small data sections together, so single-instruction offsets
88	   can access them all, and initialized data all before uninitialized, so
89	   we can shorten the on-disk segment size.  */
90	.sdata : {
91		*(.sdata)
92	}
93	_edata =  .;			/* End of data section */
94
95	/* will be freed after init */
96	. = ALIGN(PAGE_SIZE);		/* Init code and data */
97	__init_begin = .;
98	INIT_TEXT_SECTION(PAGE_SIZE)
99	INIT_DATA_SECTION(16)
100
101	. = ALIGN(4);
102	.mips.machines.init : AT(ADDR(.mips.machines.init) - LOAD_OFFSET) {
103		__mips_machines_start = .;
104		*(.mips.machines.init)
105		__mips_machines_end = .;
106	}
107
108	/* .exit.text is discarded at runtime, not link time, to deal with
109	 * references from .rodata
110	 */
111	.exit.text : {
112		EXIT_TEXT
113	}
114	.exit.data : {
115		EXIT_DATA
116	}
117
118	PERCPU(PAGE_SIZE)
119	. = ALIGN(PAGE_SIZE);
120	__init_end = .;
121	/* freed after init ends here */
122
123	BSS_SECTION(0, 0, 0)
124
125	_end = . ;
126
127	/* These mark the ABI of the kernel for debuggers.  */
128	.mdebug.abi32 : {
129		KEEP(*(.mdebug.abi32))
130	}
131	.mdebug.abi64 : {
132		KEEP(*(.mdebug.abi64))
133	}
134
135	/* This is the MIPS specific mdebug section.  */
136	.mdebug : {
137		*(.mdebug)
138	}
139
140	STABS_DEBUG
141	DWARF_DEBUG
142
143	/* These must appear regardless of  .  */
144	.gptab.sdata : {
145		*(.gptab.data)
146		*(.gptab.sdata)
147	}
148	.gptab.sbss : {
149		*(.gptab.bss)
150		*(.gptab.sbss)
151	}
152
153	/* Sections to be discarded */
154	DISCARDS
155	/DISCARD/ : {
156		/* ABI crap starts here */
157		*(.MIPS.options)
158		*(.options)
159		*(.pdr)
160		*(.reginfo)
161	}
162}
163