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-rw-r--r--stm32_flash.ld143
1 files changed, 143 insertions, 0 deletions
diff --git a/stm32_flash.ld b/stm32_flash.ld
new file mode 100644
index 0000000..c66fd66
--- /dev/null
+++ b/stm32_flash.ld
@@ -0,0 +1,143 @@
1/* Entry Point */
2ENTRY(Reset_Handler)
3
4/* Highest address of the user mode stack */
5_estack = 0x20005000; /* end of 20K RAM */
6
7/* Generate a link error if heap and stack don't fit into RAM */
8_Min_Heap_Size = 0; /* required amount of heap */
9_Min_Stack_Size = 0x200; /* required amount of stack */
10_Reserve_Stack_Value = 4;
11
12/* Specify the memory areas. Set FLASH ORIGIN to 0x08000000 for debugging. */
13MEMORY
14{
15 FLASH (rx) : ORIGIN = 0x08006400, LENGTH = 128K
16 RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 20K
17 MEMORY_B1 (rx) : ORIGIN = 0x60000000, LENGTH = 0K
18}
19
20/* Define output sections */
21SECTIONS
22{
23 /* The startup code goes first into FLASH */
24 .isr_vector :
25 {
26 . = ALIGN(4);
27 KEEP(*(.isr_vector)) /* Startup code */
28 . = ALIGN(4);
29 } >FLASH
30
31 /* The program code and other data goes into FLASH */
32 .text :
33 {
34 . = ALIGN(4);
35 *(.text) /* .text sections (code) */
36 *(.text*) /* .text* sections (code) */
37 *(.rodata) /* .rodata sections (constants, strings, etc.) */
38 *(.rodata*) /* .rodata* sections (constants, strings, etc.) */
39 *(.glue_7) /* glue arm to thumb code */
40 *(.glue_7t) /* glue thumb to arm code */
41
42 KEEP (*(.init))
43 KEEP (*(.fini))
44
45 . = ALIGN(4);
46 _etext = .; /* define a global symbols at end of code */
47 } >FLASH
48
49
50 .ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
51 .ARM : {
52 __exidx_start = .;
53 *(.ARM.exidx*)
54 __exidx_end = .;
55 } >FLASH
56
57 .ARM.attributes : { *(.ARM.attributes) } > FLASH
58
59 .preinit_array :
60 {
61 PROVIDE_HIDDEN (__preinit_array_start = .);
62 KEEP (*(.preinit_array*))
63 PROVIDE_HIDDEN (__preinit_array_end = .);
64 } >FLASH
65 .init_array :
66 {
67 PROVIDE_HIDDEN (__init_array_start = .);
68 KEEP (*(SORT(.init_array.*)))
69 KEEP (*(.init_array*))
70 PROVIDE_HIDDEN (__init_array_end = .);
71 } >FLASH
72 .fini_array :
73 {
74 PROVIDE_HIDDEN (__fini_array_start = .);
75 KEEP (*(.fini_array*))
76 KEEP (*(SORT(.fini_array.*)))
77 PROVIDE_HIDDEN (__fini_array_end = .);
78 } >FLASH
79
80 /* used by the startup to initialize data */
81 _sidata = .;
82
83 /* Initialized data sections goes into RAM, load LMA copy after code */
84 .data : AT ( _sidata )
85 {
86 . = ALIGN(4);
87 _sdata = .; /* create a global symbol at data start */
88 *(.data) /* .data sections */
89 *(.data*) /* .data* sections */
90
91 . = ALIGN(4);
92 _edata = .; /* define a global symbol at data end */
93 } >RAM
94
95 /* Uninitialized data section */
96 . = ALIGN(4);
97 .bss :
98 {
99 /* This is used by the startup in order to initialize the .bss secion */
100 _sbss = .; /* define a global symbol at bss start */
101 __bss_start__ = _sbss;
102 *(.bss)
103 *(.bss*)
104 *(COMMON)
105
106 . = ALIGN(4);
107 _ebss = .; /* define a global symbol at bss end */
108 __bss_end__ = _ebss;
109 } >RAM
110
111 PROVIDE ( end = _ebss );
112 PROVIDE ( _end = _ebss );
113
114 /* User_heap_stack section, used to check that there is enough RAM left */
115 /* also reserve space for the stack overun protection value */
116 ._user_heap_stack :
117 {
118 . = ALIGN(4);
119 . = . + _Min_Heap_Size;
120 . = ALIGN(4);
121 . = . + _Reserve_Stack_Value ;
122 . = ALIGN(4);
123 . = . + _Min_Stack_Size;
124 . = ALIGN(4);
125 } >RAM
126
127 /* MEMORY_bank1 section, code must be located here explicitly */
128 .memory_b1_text :
129 {
130 *(.mb1text) /* .mb1text sections (code) */
131 *(.mb1text*) /* .mb1text* sections (code) */
132 *(.mb1rodata) /* read-only data (constants) */
133 *(.mb1rodata*)
134 } >MEMORY_B1
135
136 /* Remove information from the standard libraries */
137 /DISCARD/ :
138 {
139 libc.a ( * )
140 libm.a ( * )
141 libgcc.a ( * )
142 }
143}