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| author | jaseg <git@jaseg.net> | 2018-12-20 18:54:41 +0900 |
|---|---|---|
| committer | jaseg <git@jaseg.net> | 2018-12-20 18:54:41 +0900 |
| commit | 90038f4378b7cdbe98e32ed1e5e3055dbe4776f2 (patch) | |
| tree | 3982be300f99a7eabd1d6a5c9be973822bac3044 /fw/stm32_flash.ld | |
| parent | 111b7a6bf37a271125f453bd2904cd72fd8f5b38 (diff) | |
| download | 8seg-90038f4378b7cdbe98e32ed1e5e3055dbe4776f2.tar.gz 8seg-90038f4378b7cdbe98e32ed1e5e3055dbe4776f2.tar.bz2 8seg-90038f4378b7cdbe98e32ed1e5e3055dbe4776f2.zip | |
Add initial center firmware
Diffstat (limited to 'fw/stm32_flash.ld')
| -rw-r--r-- | fw/stm32_flash.ld | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/fw/stm32_flash.ld b/fw/stm32_flash.ld new file mode 100644 index 0000000..cba7577 --- /dev/null +++ b/fw/stm32_flash.ld @@ -0,0 +1,136 @@ +
+ENTRY(Reset_Handler)
+
+MEMORY {
+ FLASH (rx): ORIGIN = 0x08000000, LENGTH = 0x3C00
+ CONFIGFLASH (rw): ORIGIN = 0x08003C00, LENGTH = 0x400
+ RAM (xrw): ORIGIN = 0x20000000, LENGTH = 4K
+}
+
+/* highest address of the user mode stack */
+_estack = 0x20001000;
+
+SECTIONS {
+ /* for Cortex devices, the beginning of the startup code is stored in the .isr_vector section, which goes to FLASH */
+ .isr_vector : {
+ . = ALIGN(4);
+ KEEP(*(.isr_vector)) /* Startup code */
+ . = ALIGN(4);
+ } >FLASH
+
+ /* the program code is stored in the .text section, which goes to Flash */
+ .text : {
+ . = ALIGN(4);
+
+ *(.text) /* normal code */
+ *(.text.*) /* -ffunction-sections code */
+ *(.rodata) /* read-only data (constants) */
+ *(.rodata*) /* -fdata-sections read only data */
+ *(.glue_7) /* TBD - needed ? */
+ *(.glue_7t) /* TBD - needed ? */
+
+ *(.source_tarball)
+
+ /* Necessary KEEP sections (see http://sourceware.org/ml/newlib/2005/msg00255.html) */
+ KEEP (*(.init))
+ KEEP (*(.fini))
+ KEEP (*(.source_tarball))
+
+ . = ALIGN(4);
+ _etext = .;
+ /* This is used by the startup in order to initialize the .data section */
+ _sidata = _etext;
+ } >FLASH
+
+ /*
+ .configflash : {
+ . = ALIGN(0x400);
+ *(.configdata)
+ _econfig = .;
+ } >FLASH
+ */
+
+ /* This is the initialized data section
+ The program executes knowing that the data is in the RAM
+ but the loader puts the initial values in the FLASH (inidata).
+ It is one task of the startup to copy the initial values from FLASH to RAM. */
+ .data : AT ( _sidata ) {
+ . = ALIGN(4);
+ /* This is used by the startup in order to initialize the .data secion */
+ _sdata = . ;
+ _data = . ;
+
+ *(.data)
+ *(.data.*)
+ *(.RAMtext)
+
+ . = ALIGN(4);
+ /* This is used by the startup in order to initialize the .data secion */
+ _edata = . ;
+ } >RAM
+
+ /* This is the uninitialized data section */
+ .bss : {
+ . = ALIGN(4);
+ /* This is used by the startup in order to initialize the .bss secion */
+ _sbss = .;
+ _bss = .;
+
+ *(.bss)
+ *(.bss.*) /* patched by elias - allows the use of -fdata-sections */
+ *(COMMON)
+
+ . = ALIGN(4);
+ /* This is used by the startup in order to initialize the .bss secion */
+ _ebss = . ;
+ } >RAM
+
+ PROVIDE ( end = _ebss);
+ PROVIDE (_end = _ebss);
+
+ __exidx_start = .;
+ __exidx_end = .;
+
+ /* after that it's only debugging information. */
+
+ /* remove the debugging information from the standard libraries */
+/* /DISCARD/ : {
+ libc.a ( * )
+ libm.a ( * )
+ libgcc.a ( * )
+ }*/
+
+ /* Stabs debugging sections. */
+ .stab 0 : { *(.stab) }
+ .stabstr 0 : { *(.stabstr) }
+ .stab.excl 0 : { *(.stab.excl) }
+ .stab.exclstr 0 : { *(.stab.exclstr) }
+ .stab.index 0 : { *(.stab.index) }
+ .stab.indexstr 0 : { *(.stab.indexstr) }
+ .comment 0 : { *(.comment) }
+ /* DWARF debug sections.
+ Symbols in the DWARF debugging sections are relative to the beginning
+ of the section so we begin them at 0. */
+ /* DWARF 1 */
+ .debug 0 : { *(.debug) }
+ .line 0 : { *(.line) }
+ /* GNU DWARF 1 extensions */
+ .debug_srcinfo 0 : { *(.debug_srcinfo) }
+ .debug_sfnames 0 : { *(.debug_sfnames) }
+ /* DWARF 1.1 and DWARF 2 */
+ .debug_aranges 0 : { *(.debug_aranges) }
+ .debug_pubnames 0 : { *(.debug_pubnames) }
+ /* DWARF 2 */
+ .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
+ .debug_abbrev 0 : { *(.debug_abbrev) }
+ .debug_line 0 : { *(.debug_line) }
+ .debug_frame 0 : { *(.debug_frame) }
+ .debug_str 0 : { *(.debug_str) }
+ .debug_loc 0 : { *(.debug_loc) }
+ .debug_macinfo 0 : { *(.debug_macinfo) }
+ /* SGI/MIPS DWARF 2 extensions */
+ .debug_weaknames 0 : { *(.debug_weaknames) }
+ .debug_funcnames 0 : { *(.debug_funcnames) }
+ .debug_typenames 0 : { *(.debug_typenames) }
+ .debug_varnames 0 : { *(.debug_varnames) }
+}
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