1#include "core-isa.h"
2
3#ifndef XCHAL_VECBASE_RESET_VADDR
4#define XCHAL_VECBASE_RESET_VADDR XCHAL_WINDOW_VECTORS_VADDR
5#define XCHAL_WINDOW_OF4_VECOFS 0x00000000
6#define XCHAL_WINDOW_UF4_VECOFS 0x00000040
7#define XCHAL_WINDOW_OF8_VECOFS 0x00000080
8#define XCHAL_WINDOW_UF8_VECOFS 0x000000C0
9#define XCHAL_WINDOW_OF12_VECOFS 0x00000100
10#define XCHAL_WINDOW_UF12_VECOFS 0x00000140
11#endif
12
13#define RAM_SIZE 0x08000000
14#define ROM_SIZE 0x00001000
15#define VECTORS_RESERVED_SIZE 0x1000
16
17
18OUTPUT_FORMAT("elf32-xtensa-be")
19#else
20OUTPUT_FORMAT("elf32-xtensa-le")
21#endif
22ENTRY(_start)
23
24MEMORY {
25 ram : ORIGIN = XCHAL_VECBASE_RESET_VADDR, LENGTH = RAM_SIZE
26 rom : ORIGIN = XCHAL_RESET_VECTOR_VADDR, LENGTH = ROM_SIZE
27}
28
29SECTIONS
30{
31 .init :
32 {
33 *(.init)
34 *(.init.*)
35 } > rom
36
37
38 .vector.window XCHAL_WINDOW_VECTORS_VADDR :
39 {
40 . = XCHAL_WINDOW_OF4_VECOFS;
41 *(.vector.window_overflow_4)
42 . = XCHAL_WINDOW_UF4_VECOFS;
43 *(.vector.window_underflow_4)
44 . = XCHAL_WINDOW_OF8_VECOFS;
45 *(.vector.window_overflow_8)
46 . = XCHAL_WINDOW_UF8_VECOFS;
47 *(.vector.window_underflow_8)
48 . = XCHAL_WINDOW_OF12_VECOFS;
49 *(.vector.window_overflow_12)
50 . = XCHAL_WINDOW_UF12_VECOFS;
51 *(.vector.window_underflow_12)
52 }
53#endif
54
55 .vector.level2 XCHAL_INTLEVEL2_VECTOR_VADDR :
56 {
57 *(.vector.level2)
58 }
59#endif
60
61 .vector.level3 XCHAL_INTLEVEL3_VECTOR_VADDR :
62 {
63 *(.vector.level3)
64 }
65#endif
66
67 .vector.level4 XCHAL_INTLEVEL4_VECTOR_VADDR :
68 {
69 *(.vector.level4)
70 }
71#endif
72
73 .vector.level5 XCHAL_INTLEVEL5_VECTOR_VADDR :
74 {
75 *(.vector.level5)
76 }
77#endif
78
79 .vector.level6 XCHAL_INTLEVEL6_VECTOR_VADDR :
80 {
81 *(.vector.level6)
82 }
83#endif
84
85 .vector.level7 XCHAL_INTLEVEL7_VECTOR_VADDR :
86 {
87 *(.vector.level7)
88 }
89#endif
90 .vector.kernel XCHAL_KERNEL_VECTOR_VADDR :
91 {
92 *(.vector.kernel)
93 }
94 .vector.user XCHAL_USER_VECTOR_VADDR :
95 {
96 *(.vector.user)
97 }
98 .vector.double XCHAL_DOUBLEEXC_VECTOR_VADDR :
99 {
100 *(.vector.double)
101 }
102
103 .vector.text XCHAL_VECBASE_RESET_VADDR + VECTORS_RESERVED_SIZE :
104 {
105 *(.vector.window_overflow_4.*)
106 *(.vector.window_underflow_4.*)
107 *(.vector.window_overflow_8.*)
108 *(.vector.window_underflow_8.*)
109 *(.vector.window_overflow_12.*)
110 *(.vector.window_underflow_12.*)
111
112 *(.vector.level2.*)
113 *(.vector.level3.*)
114 *(.vector.level4.*)
115 *(.vector.level5.*)
116 *(.vector.level6.*)
117 *(.vector.level7.*)
118
119 *(.vector.kernel.*)
120 *(.vector.user.*)
121 *(.vector.double.*)
122 } > ram
123
124 .text :
125 {
126 _ftext = .;
127 *(.text .stub .text.* .gnu.linkonce.t.* .literal .literal.*)
128 _etext = .;
129 } > ram
130
131 .rodata :
132 {
133 . = ALIGN(4);
134 _frodata = .;
135 *(.rodata .rodata.* .gnu.linkonce.r.*)
136 *(.rodata1)
137 _erodata = .;
138 } > ram
139
140 .data :
141 {
142 . = ALIGN(4);
143 _fdata = .;
144 *(.data .data.* .gnu.linkonce.d.*)
145 *(.data1)
146 _gp = ALIGN(16);
147 *(.sdata .sdata.* .gnu.linkonce.s.*)
148 _edata = .;
149 } > ram
150
151 .bss :
152 {
153 . = ALIGN(4);
154 _fbss = .;
155 *(.dynsbss)
156 *(.sbss .sbss.* .gnu.linkonce.sb.*)
157 *(.scommon)
158 *(.dynbss)
159 *(.bss .bss.* .gnu.linkonce.b.*)
160 *(COMMON)
161 _ebss = .;
162 _end = .;
163 } > ram
164}
165
166PROVIDE(_fstack = (ORIGIN(ram) & 0xf0000000) + LENGTH(ram) - 16);
167