xref: /qemu/tests/tcg/xtensa/linker.ld.S (revision abff1abf) 
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  /* 128M */
14#define ROM_SIZE 0x00001000  /* 4k */
15#define VECTORS_RESERVED_SIZE 0x1000
16
17#if XCHAL_HAVE_BE
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#if XCHAL_HAVE_WINDOWED
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#if XCHAL_NUM_INTLEVELS + XCHAL_HAVE_NMI >= 2
55    .vector.level2 XCHAL_INTLEVEL2_VECTOR_VADDR :
56    {
57        *(.vector.level2)
58    }
59#endif
60#if XCHAL_NUM_INTLEVELS + XCHAL_HAVE_NMI >= 3
61    .vector.level3 XCHAL_INTLEVEL3_VECTOR_VADDR :
62    {
63        *(.vector.level3)
64    }
65#endif
66#if XCHAL_NUM_INTLEVELS + XCHAL_HAVE_NMI >= 4
67    .vector.level4 XCHAL_INTLEVEL4_VECTOR_VADDR :
68    {
69        *(.vector.level4)
70    }
71#endif
72#if XCHAL_NUM_INTLEVELS + XCHAL_HAVE_NMI >= 5
73    .vector.level5 XCHAL_INTLEVEL5_VECTOR_VADDR :
74    {
75        *(.vector.level5)
76    }
77#endif
78#if XCHAL_NUM_INTLEVELS + XCHAL_HAVE_NMI >= 6
79    .vector.level6 XCHAL_INTLEVEL6_VECTOR_VADDR :
80    {
81        *(.vector.level6)
82    }
83#endif
84#if XCHAL_NUM_INTLEVELS + XCHAL_HAVE_NMI >= 7
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