*/
MEMORY {
- rom (rx) : ORIGIN = 0x08000000, LENGTH = 128K
+ rom (rx) : ORIGIN = 0x08001000, LENGTH = 124K
ram (!w) : ORIGIN = 0x20000000, LENGTH = 15872
stack (!w) : ORIGIN = 0x20003e00, LENGTH = 512
}
. = ORIGIN(rom) + 0x100;
+
+ /* Ick. What I want is to specify the
+ * addresses of some global constants so
+ * that I can find them across versions
+ * of the application. I can't figure out
+ * how to make gnu ld do that, so instead
+ * we just load the two files that include
+ * these defines in the right order here and
+ * expect things to 'just work'. Don't change
+ * the contents of those files, ok?
+ */
ao_romconfig.o(.romconfig*)
ao_product.o(.romconfig*)
-
*(.text*) /* Executable code */
*(.rodata*) /* Constants */
.ARM.exidx : {
*(.ARM.exidx* .gnu.linkonce.armexidx.*)
- __text_end__ = .;
} > rom
+ __text_end__ = .;
+
+ /* Boot data which must live at the start of ram so that
+ * the application and bootloader share the same addresses.
+ * This must be all uninitialized data
+ */
+ .boot (NOLOAD) : {
+ __boot_start__ = .;
+ *(.boot)
+ . = ALIGN(4);
+ __boot_end__ = .;
+ } >ram
/* Data -- relocated to RAM, but written to ROM
*/
- .data ORIGIN(ram) : AT (ADDR(.ARM.exidx) + SIZEOF (.ARM.exidx)) {
+ .data : {
__data_start__ = .;
*(.data) /* initialized data */
+ . = ALIGN(4);
__data_end__ = .;
- __bss_start__ = .;
- } >ram
+ } >ram AT>rom
.bss : {
+ __bss_start__ = .;
*(.bss)
*(COMMON)
+ . = ALIGN(4);
__bss_end__ = .;
} >ram