xref: /openbmc/linux/arch/ia64/kernel/vmlinux.lds.S (revision fca3aa16) 
1/* SPDX-License-Identifier: GPL-2.0 */
2
3#include <asm/cache.h>
4#include <asm/ptrace.h>
5#include <asm/pgtable.h>
6#include <asm/thread_info.h>
7
8#include <asm-generic/vmlinux.lds.h>
9
10OUTPUT_FORMAT("elf64-ia64-little")
11OUTPUT_ARCH(ia64)
12ENTRY(phys_start)
13jiffies = jiffies_64;
14
15PHDRS {
16	code   PT_LOAD;
17	percpu PT_LOAD;
18	data   PT_LOAD;
19	note   PT_NOTE;
20	unwind 0x70000001; /* PT_IA_64_UNWIND, but ld doesn't match the name */
21}
22
23SECTIONS {
24	/*
25	 * unwind exit sections must be discarded before
26	 * the rest of the sections get included.
27	 */
28	/DISCARD/ : {
29		*(.IA_64.unwind.exit.text)
30		*(.IA_64.unwind_info.exit.text)
31		*(.comment)
32		*(.note)
33	}
34
35	v = PAGE_OFFSET; /* this symbol is here to make debugging easier... */
36	phys_start = _start - LOAD_OFFSET;
37
38	code : {
39	} :code
40	. = KERNEL_START;
41
42	_text = .;
43	_stext = .;
44
45	.text : AT(ADDR(.text) - LOAD_OFFSET) {
46		__start_ivt_text = .;
47		*(.text..ivt)
48		__end_ivt_text = .;
49		TEXT_TEXT
50		SCHED_TEXT
51		CPUIDLE_TEXT
52		LOCK_TEXT
53		KPROBES_TEXT
54		*(.gnu.linkonce.t*)
55	}
56
57	.text2 : AT(ADDR(.text2) - LOAD_OFFSET)	{
58		*(.text2)
59	}
60
61#ifdef CONFIG_SMP
62	.text..lock : AT(ADDR(.text..lock) - LOAD_OFFSET) {
63		*(.text..lock)
64	}
65#endif
66	_etext = .;
67
68	/*
69	 * Read-only data
70	 */
71	NOTES :code :note       /* put .notes in text and mark in PT_NOTE  */
72	code_continues : {
73	} : code               /* switch back to regular program...  */
74
75	EXCEPTION_TABLE(16)
76
77	/* MCA table */
78	. = ALIGN(16);
79	__mca_table : AT(ADDR(__mca_table) - LOAD_OFFSET) {
80		__start___mca_table = .;
81		*(__mca_table)
82		__stop___mca_table = .;
83	}
84
85	.data..patch.phys_stack_reg : AT(ADDR(.data..patch.phys_stack_reg) - LOAD_OFFSET) {
86		__start___phys_stack_reg_patchlist = .;
87		*(.data..patch.phys_stack_reg)
88		__end___phys_stack_reg_patchlist = .;
89	}
90
91	/*
92	 * Global data
93	 */
94	_data = .;
95
96	/* Unwind info & table: */
97	. = ALIGN(8);
98	.IA_64.unwind_info : AT(ADDR(.IA_64.unwind_info) - LOAD_OFFSET) {
99		*(.IA_64.unwind_info*)
100	}
101	.IA_64.unwind : AT(ADDR(.IA_64.unwind) - LOAD_OFFSET) {
102		__start_unwind = .;
103		*(.IA_64.unwind*)
104		__end_unwind = .;
105	} :code :unwind
106	code_continues2 : {
107	} : code
108
109	RODATA
110
111	.opd : AT(ADDR(.opd) - LOAD_OFFSET) {
112		__start_opd = .;
113		*(.opd)
114		__end_opd = .;
115	}
116
117	/*
118	 * Initialization code and data:
119	 */
120	. = ALIGN(PAGE_SIZE);
121	__init_begin = .;
122
123	INIT_TEXT_SECTION(PAGE_SIZE)
124	INIT_DATA_SECTION(16)
125
126	.data..patch.vtop : AT(ADDR(.data..patch.vtop) - LOAD_OFFSET) {
127		__start___vtop_patchlist = .;
128		*(.data..patch.vtop)
129		__end___vtop_patchlist = .;
130	}
131
132	.data..patch.rse : AT(ADDR(.data..patch.rse) - LOAD_OFFSET) {
133		__start___rse_patchlist = .;
134		*(.data..patch.rse)
135		__end___rse_patchlist = .;
136	}
137
138	.data..patch.mckinley_e9 : AT(ADDR(.data..patch.mckinley_e9) - LOAD_OFFSET) {
139		__start___mckinley_e9_bundles = .;
140		*(.data..patch.mckinley_e9)
141		__end___mckinley_e9_bundles = .;
142	}
143
144#if defined(CONFIG_IA64_GENERIC)
145	/* Machine Vector */
146	. = ALIGN(16);
147	.machvec : AT(ADDR(.machvec) - LOAD_OFFSET) {
148		machvec_start = .;
149		*(.machvec)
150		machvec_end = .;
151	}
152#endif
153
154#ifdef	CONFIG_SMP
155	. = ALIGN(PERCPU_PAGE_SIZE);
156	__cpu0_per_cpu = .;
157	. = . + PERCPU_PAGE_SIZE;   /* cpu0 per-cpu space */
158#endif
159
160	. = ALIGN(PAGE_SIZE);
161	__init_end = .;
162
163	.data..page_aligned : AT(ADDR(.data..page_aligned) - LOAD_OFFSET) {
164		PAGE_ALIGNED_DATA(PAGE_SIZE)
165		. = ALIGN(PAGE_SIZE);
166		__start_gate_section = .;
167		*(.data..gate)
168		__stop_gate_section = .;
169	}
170	/*
171	 * make sure the gate page doesn't expose
172	 * kernel data
173	 */
174	. = ALIGN(PAGE_SIZE);
175
176	/* Per-cpu data: */
177	. = ALIGN(PERCPU_PAGE_SIZE);
178	PERCPU_VADDR(SMP_CACHE_BYTES, PERCPU_ADDR, :percpu)
179	__phys_per_cpu_start = __per_cpu_load;
180	/*
181	 * ensure percpu data fits
182	 * into percpu page size
183	 */
184	. = __phys_per_cpu_start + PERCPU_PAGE_SIZE;
185
186	data : {
187	} :data
188	.data : AT(ADDR(.data) - LOAD_OFFSET) {
189		_sdata  =  .;
190		INIT_TASK_DATA(PAGE_SIZE)
191		CACHELINE_ALIGNED_DATA(SMP_CACHE_BYTES)
192		READ_MOSTLY_DATA(SMP_CACHE_BYTES)
193		DATA_DATA
194		*(.data1)
195		*(.gnu.linkonce.d*)
196		CONSTRUCTORS
197	}
198
199	BUG_TABLE
200
201	. = ALIGN(16);	/* gp must be 16-byte aligned for exc. table */
202	.got : AT(ADDR(.got) - LOAD_OFFSET) {
203		*(.got.plt)
204		*(.got)
205	}
206	__gp = ADDR(.got) + 0x200000;
207
208	/*
209	 * We want the small data sections together,
210	 * so single-instruction offsets can access
211	 * them all, and initialized data all before
212	 * uninitialized, so we can shorten the
213	 * on-disk segment size.
214	 */
215	.sdata : AT(ADDR(.sdata) - LOAD_OFFSET) {
216		*(.sdata)
217		*(.sdata1)
218		*(.srdata)
219	}
220	_edata  =  .;
221
222	BSS_SECTION(0, 0, 0)
223
224	_end = .;
225
226	code : {
227	} :code
228
229	STABS_DEBUG
230	DWARF_DEBUG
231
232	/* Default discards */
233	DISCARDS
234}
235