1#include <asm/asm-offsets.h>
2#include <asm/thread_info.h>
3
4#define PAGE_SIZE _PAGE_SIZE
5
6/*
7 * Put .bss..swapper_pg_dir as the first thing in .bss. This will
8 * ensure that it has .bss alignment (64K).
9 */
10#define BSS_FIRST_SECTIONS *(.bss..swapper_pg_dir)
11
12#include <asm-generic/vmlinux.lds.h>
13
14#undef mips
15#define mips mips
16OUTPUT_ARCH(mips)
17ENTRY(kernel_entry)
18PHDRS {
19	text PT_LOAD FLAGS(7);	/* RWX */
20	note PT_NOTE FLAGS(4);	/* R__ */
21}
22
23#ifdef CONFIG_32BIT
24	#ifdef CONFIG_CPU_LITTLE_ENDIAN
25		jiffies	 = jiffies_64;
26	#else
27		jiffies	 = jiffies_64 + 4;
28	#endif
29#else
30	jiffies	 = jiffies_64;
31#endif
32
33SECTIONS
34{
35#ifdef CONFIG_BOOT_ELF64
36	/* Read-only sections, merged into text segment: */
37	/* . = 0xc000000000000000; */
38
39	/* This is the value for an Origin kernel, taken from an IRIX kernel.  */
40	/* . = 0xc00000000001c000; */
41
42	/* Set the vaddr for the text segment to a value
43	 *   >= 0xa800 0000 0001 9000 if no symmon is going to configured
44	 *   >= 0xa800 0000 0030 0000 otherwise
45	 */
46
47	/* . = 0xa800000000300000; */
48	. = 0xffffffff80300000;
49#endif
50	. = VMLINUX_LOAD_ADDRESS;
51	/* read-only */
52	_text = .;	/* Text and read-only data */
53	.text : {
54		TEXT_TEXT
55		SCHED_TEXT
56		LOCK_TEXT
57		KPROBES_TEXT
58		IRQENTRY_TEXT
59		*(.text.*)
60		*(.fixup)
61		*(.gnu.warning)
62	} :text = 0
63	_etext = .;	/* End of text section */
64
65	EXCEPTION_TABLE(16)
66
67	/* Exception table for data bus errors */
68	__dbe_table : {
69		__start___dbe_table = .;
70		*(__dbe_table)
71		__stop___dbe_table = .;
72	}
73
74	NOTES :text :note
75	.dummy : { *(.dummy) } :text
76
77	_sdata = .;			/* Start of data section */
78	RODATA
79
80	/* writeable */
81	.data : {	/* Data */
82		. = . + DATAOFFSET;		/* for CONFIG_MAPPED_KERNEL */
83
84		INIT_TASK_DATA(THREAD_SIZE)
85		NOSAVE_DATA
86		CACHELINE_ALIGNED_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
87		READ_MOSTLY_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
88		DATA_DATA
89		CONSTRUCTORS
90	}
91	_gp = . + 0x8000;
92	.lit8 : {
93		*(.lit8)
94	}
95	.lit4 : {
96		*(.lit4)
97	}
98	/* We want the small data sections together, so single-instruction offsets
99	   can access them all, and initialized data all before uninitialized, so
100	   we can shorten the on-disk segment size.  */
101	.sdata : {
102		*(.sdata)
103	}
104	_edata =  .;			/* End of data section */
105
106	/* will be freed after init */
107	. = ALIGN(PAGE_SIZE);		/* Init code and data */
108	__init_begin = .;
109	INIT_TEXT_SECTION(PAGE_SIZE)
110	INIT_DATA_SECTION(16)
111
112	. = ALIGN(4);
113	.mips.machines.init : AT(ADDR(.mips.machines.init) - LOAD_OFFSET) {
114		__mips_machines_start = .;
115		*(.mips.machines.init)
116		__mips_machines_end = .;
117	}
118
119	/* .exit.text is discarded at runtime, not link time, to deal with
120	 * references from .rodata
121	 */
122	.exit.text : {
123		EXIT_TEXT
124	}
125	.exit.data : {
126		EXIT_DATA
127	}
128
129	PERCPU_SECTION(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
130	/*
131	 * Align to 64K in attempt to eliminate holes before the
132	 * .bss..swapper_pg_dir section at the start of .bss.  This
133	 * also satisfies PAGE_SIZE alignment as the largest page size
134	 * allowed is 64K.
135	 */
136	. = ALIGN(0x10000);
137	__init_end = .;
138	/* freed after init ends here */
139
140	/*
141	 * Force .bss to 64K alignment so that .bss..swapper_pg_dir
142	 * gets that alignment.	 .sbss should be empty, so there will be
143	 * no holes after __init_end. */
144	BSS_SECTION(0, 0x10000, 0)
145
146	_end = . ;
147
148	/* These mark the ABI of the kernel for debuggers.  */
149	.mdebug.abi32 : {
150		KEEP(*(.mdebug.abi32))
151	}
152	.mdebug.abi64 : {
153		KEEP(*(.mdebug.abi64))
154	}
155
156	/* This is the MIPS specific mdebug section.  */
157	.mdebug : {
158		*(.mdebug)
159	}
160
161	STABS_DEBUG
162	DWARF_DEBUG
163
164	/* These must appear regardless of  .  */
165	.gptab.sdata : {
166		*(.gptab.data)
167		*(.gptab.sdata)
168	}
169	.gptab.sbss : {
170		*(.gptab.bss)
171		*(.gptab.sbss)
172	}
173
174	/* Sections to be discarded */
175	DISCARDS
176	/DISCARD/ : {
177		/* ABI crap starts here */
178		*(.MIPS.options)
179		*(.options)
180		*(.pdr)
181		*(.reginfo)
182		*(.eh_frame)
183	}
184}
185