1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* ld script for sparc32/sparc64 kernel */
3 
4 #include <asm-generic/vmlinux.lds.h>
5 
6 #include <asm/page.h>
7 #include <asm/thread_info.h>
8 
9 #ifdef CONFIG_SPARC32
10 #define INITIAL_ADDRESS  0x10000 + SIZEOF_HEADERS
11 #define TEXTSTART	0xf0004000
12 
13 #define SMP_CACHE_BYTES_SHIFT 5
14 
15 #else
16 #define SMP_CACHE_BYTES_SHIFT 6
17 #define INITIAL_ADDRESS 0x4000
18 #define TEXTSTART      0x0000000000404000
19 
20 #endif
21 
22 #define SMP_CACHE_BYTES (1 << SMP_CACHE_BYTES_SHIFT)
23 
24 #ifdef CONFIG_SPARC32
25 OUTPUT_FORMAT("elf32-sparc", "elf32-sparc", "elf32-sparc")
26 OUTPUT_ARCH(sparc)
27 ENTRY(_start)
28 jiffies = jiffies_64 + 4;
29 #else
30 /* sparc64 */
31 OUTPUT_FORMAT("elf64-sparc", "elf64-sparc", "elf64-sparc")
32 OUTPUT_ARCH(sparc:v9a)
33 ENTRY(_start)
34 jiffies = jiffies_64;
35 #endif
36 
37 #ifdef CONFIG_SPARC64
38 ASSERT((swapper_tsb == 0x0000000000408000), "Error: sparc64 early assembler too large")
39 #endif
40 
41 SECTIONS
42 {
43 #ifdef CONFIG_SPARC64
44 	swapper_pg_dir = 0x0000000000402000;
45 #endif
46 	. = INITIAL_ADDRESS;
47 	.text TEXTSTART :
48 	{
49 		_text = .;
50 		HEAD_TEXT
51 		TEXT_TEXT
52 		SCHED_TEXT
53 		LOCK_TEXT
54 		KPROBES_TEXT
55 		IRQENTRY_TEXT
56 		SOFTIRQENTRY_TEXT
57 		*(.gnu.warning)
58 	} = 0
59 	_etext = .;
60 
61 	RO_DATA(PAGE_SIZE)
62 
63 	/* Start of data section */
64 	_sdata = .;
65 
66 	.data1 : {
67 		*(.data1)
68 	}
69 	RW_DATA(SMP_CACHE_BYTES, 0, THREAD_SIZE)
70 
71 	/* End of data section */
72 	_edata = .;
73 
74 	.fixup : {
75 		__start___fixup = .;
76 		*(.fixup)
77 		__stop___fixup = .;
78 	}
79 	EXCEPTION_TABLE(16)
80 
81 	. = ALIGN(PAGE_SIZE);
82 	__init_begin = ALIGN(PAGE_SIZE);
83 	INIT_TEXT_SECTION(PAGE_SIZE)
84 	__init_text_end = .;
85 	INIT_DATA_SECTION(16)
86 
87 	. = ALIGN(4);
88 	.tsb_ldquad_phys_patch : {
89 		__tsb_ldquad_phys_patch = .;
90 		*(.tsb_ldquad_phys_patch)
91 		__tsb_ldquad_phys_patch_end = .;
92 	}
93 
94 	.tsb_phys_patch : {
95 		__tsb_phys_patch = .;
96 		*(.tsb_phys_patch)
97 		__tsb_phys_patch_end = .;
98 	}
99 
100 	.cpuid_patch : {
101 		__cpuid_patch = .;
102 		*(.cpuid_patch)
103 		__cpuid_patch_end = .;
104 	}
105 
106 	.sun4v_1insn_patch : {
107 		__sun4v_1insn_patch = .;
108 		*(.sun4v_1insn_patch)
109 		__sun4v_1insn_patch_end = .;
110 	}
111 	.sun4v_2insn_patch : {
112 		__sun4v_2insn_patch = .;
113 		*(.sun4v_2insn_patch)
114 		__sun4v_2insn_patch_end = .;
115 	}
116 	.leon_1insn_patch : {
117 		__leon_1insn_patch = .;
118 		*(.leon_1insn_patch)
119 		__leon_1insn_patch_end = .;
120 	}
121 	.swapper_tsb_phys_patch : {
122 		__swapper_tsb_phys_patch = .;
123 		*(.swapper_tsb_phys_patch)
124 		__swapper_tsb_phys_patch_end = .;
125 	}
126 	.swapper_4m_tsb_phys_patch : {
127 		__swapper_4m_tsb_phys_patch = .;
128 		*(.swapper_4m_tsb_phys_patch)
129 		__swapper_4m_tsb_phys_patch_end = .;
130 	}
131 	.popc_3insn_patch : {
132 		__popc_3insn_patch = .;
133 		*(.popc_3insn_patch)
134 		__popc_3insn_patch_end = .;
135 	}
136 	.popc_6insn_patch : {
137 		__popc_6insn_patch = .;
138 		*(.popc_6insn_patch)
139 		__popc_6insn_patch_end = .;
140 	}
141 	.pause_3insn_patch : {
142 		__pause_3insn_patch = .;
143 		*(.pause_3insn_patch)
144 		__pause_3insn_patch_end = .;
145 	}
146 	.sun_m7_1insn_patch : {
147 		__sun_m7_1insn_patch = .;
148 		*(.sun_m7_1insn_patch)
149 		__sun_m7_1insn_patch_end = .;
150 	}
151 	.sun_m7_2insn_patch : {
152 		__sun_m7_2insn_patch = .;
153 		*(.sun_m7_2insn_patch)
154 		__sun_m7_2insn_patch_end = .;
155 	}
156 	.get_tick_patch : {
157 		__get_tick_patch = .;
158 		*(.get_tick_patch)
159 		__get_tick_patch_end = .;
160 	}
161 	.pud_huge_patch : {
162 		__pud_huge_patch = .;
163 		*(.pud_huge_patch)
164 		__pud_huge_patch_end = .;
165 	}
166 	.fast_win_ctrl_1insn_patch : {
167 		__fast_win_ctrl_1insn_patch = .;
168 		*(.fast_win_ctrl_1insn_patch)
169 		__fast_win_ctrl_1insn_patch_end = .;
170 	}
171 	PERCPU_SECTION(SMP_CACHE_BYTES)
172 
173 	. = ALIGN(PAGE_SIZE);
174 	.exit.text : {
175 		EXIT_TEXT
176 	}
177 
178 	.exit.data : {
179 		EXIT_DATA
180 	}
181 
182 	. = ALIGN(PAGE_SIZE);
183 	__init_end = .;
184 	BSS_SECTION(0, 0, 0)
185 	_end = . ;
186 
187 	STABS_DEBUG
188 	DWARF_DEBUG
189 	ELF_DETAILS
190 
191 	DISCARDS
192 }
193