1/*
2 * Copyright (c) 2006-2023, RT-Thread Development Team
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 *
6 * Change Logs:
7 * Date           Author       Notes
8 * 2020/12/12     bernard      The first version
9 */
10
11INCLUDE "link_stacksize.lds"
12
13OUTPUT_ARCH( "riscv" )
14
15/*
16 * Memory layout:
17 * 0x80000000 - 0x80200000: SBI
18 * 0x80200000 - 0x81200000: Kernel
19 */
20
21MEMORY
22{
23   SRAM : ORIGIN = 0x80200000, LENGTH = 0x1000000
24}
25
26ENTRY(_start)
27SECTIONS
28{
29    . = 0x80200000 ;
30
31    /* __STACKSIZE__ = 4096; */
32    __text_start = .;
33    .start :
34    {
35        *(.start);
36    } > SRAM
37
38    . = ALIGN(8);
39
40    .text :
41    {
42        *(.text)                        /* remaining code */
43        *(.text.*)                      /* remaining code */
44        *(.rodata)                      /* read-only data (constants) */
45        *(.rodata*)
46        *(.glue_7)
47        *(.glue_7t)
48        *(.gnu.linkonce.t*)
49
50        /* section information for finsh shell */
51        . = ALIGN(8);
52        __fsymtab_start = .;
53        KEEP(*(FSymTab))
54        __fsymtab_end = .;
55        . = ALIGN(8);
56        __vsymtab_start = .;
57        KEEP(*(VSymTab))
58        __vsymtab_end = .;
59        . = ALIGN(8);
60
61        /* section information for initial. */
62        . = ALIGN(8);
63        __rt_init_start = .;
64        KEEP(*(SORT(.rti_fn*)))
65        __rt_init_end = .;
66        . = ALIGN(8);
67
68        __rt_utest_tc_tab_start = .;
69        KEEP(*(UtestTcTab))
70        __rt_utest_tc_tab_end = .;
71
72        . = ALIGN(8);
73        _etext = .;
74    } > SRAM
75
76    .eh_frame_hdr :
77    {
78         *(.eh_frame_hdr)
79         *(.eh_frame_entry)
80    } > SRAM
81    .eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) } > SRAM
82
83    . = ALIGN(8);
84    __text_end = .;
85    __text_size = __text_end - __text_start;
86
87    .data :
88    {
89        *(.data)
90        *(.data.*)
91
92        *(.data1)
93        *(.data1.*)
94
95        . = ALIGN(8);
96        PROVIDE( __global_pointer$ = . + 0x800 );
97
98        *(.sdata)
99        *(.sdata.*)
100    } > SRAM
101
102    . = ALIGN(8);
103    .ctors :
104    {
105        PROVIDE(__ctors_start__ = .);
106        KEEP(*(SORT(.init_array.*)))
107        KEEP(*(.init_array))
108        PROVIDE(__ctors_end__ = .);
109    } > SRAM
110
111    .dtors :
112    {
113        PROVIDE(__dtors_start__ = .);
114        KEEP(*(SORT(.fini_array.*)))
115        KEEP(*(.fini_array))
116        PROVIDE(__dtors_end__ = .);
117    } > SRAM
118
119    /* stack for dual core */
120    .stack :
121    {
122        . = ALIGN(64);
123        __stack_start__ = .;
124
125        . += __STACKSIZE__;
126        __stack_cpu0 = .;
127
128        . += __STACKSIZE__;
129        __stack_cpu1 = .;
130    } > SRAM
131
132    .sbss :
133    {
134    __bss_start = .;
135        *(.sbss)
136        *(.sbss.*)
137        *(.dynsbss)
138        *(.scommon)
139    } > SRAM
140
141    .bss :
142    {
143        *(.bss)
144        *(.bss.*)
145        *(.dynbss)
146        *(COMMON)
147    __bss_end = .;
148    } > SRAM
149
150    _end = .;
151
152    /* Stabs debugging sections.  */
153    .stab          0 : { *(.stab) }
154    .stabstr       0 : { *(.stabstr) }
155    .stab.excl     0 : { *(.stab.excl) }
156    .stab.exclstr  0 : { *(.stab.exclstr) }
157    .stab.index    0 : { *(.stab.index) }
158    .stab.indexstr 0 : { *(.stab.indexstr) }
159    .comment       0 : { *(.comment) }
160    /* DWARF debug sections.
161     * Symbols in the DWARF debugging sections are relative to the beginning
162     * of the section so we begin them at 0.  */
163    /* DWARF 1 */
164    .debug          0 : { *(.debug) }
165    .line           0 : { *(.line) }
166    /* GNU DWARF 1 extensions */
167    .debug_srcinfo  0 : { *(.debug_srcinfo) }
168    .debug_sfnames  0 : { *(.debug_sfnames) }
169    /* DWARF 1.1 and DWARF 2 */
170    .debug_aranges  0 : { *(.debug_aranges) }
171    .debug_pubnames 0 : { *(.debug_pubnames) }
172    /* DWARF 2 */
173    .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
174    .debug_abbrev   0 : { *(.debug_abbrev) }
175    .debug_line     0 : { *(.debug_line) }
176    .debug_frame    0 : { *(.debug_frame) }
177    .debug_str      0 : { *(.debug_str) }
178    .debug_loc      0 : { *(.debug_loc) }
179    .debug_macinfo  0 : { *(.debug_macinfo) }
180    /* SGI/MIPS DWARF 2 extensions */
181    .debug_weaknames 0 : { *(.debug_weaknames) }
182    .debug_funcnames 0 : { *(.debug_funcnames) }
183    .debug_typenames 0 : { *(.debug_typenames) }
184    .debug_varnames  0 : { *(.debug_varnames) }
185}
186