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