diff options
Diffstat (limited to 'src/lpc/altos-loader.ld')
-rw-r--r-- | src/lpc/altos-loader.ld | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/lpc/altos-loader.ld b/src/lpc/altos-loader.ld new file mode 100644 index 00000000..4f78f552 --- /dev/null +++ b/src/lpc/altos-loader.ld @@ -0,0 +1,80 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +MEMORY { + rom : ORIGIN = 0x00000000, LENGTH = 4K + ram : ORIGIN = 0x10000000, LENGTH = 4k - 128 - 32 + usb (!x) : ORIGIN = 0x20004000 + 2K - 256, LENGTH = 256 + stack (!w) : ORIGIN = 0x10000000 + 4K - 128 - 32, LENGTH = 128 +} + +INCLUDE registers.ld + +EXTERN (lpc_interrupt_vector) + +SECTIONS { + /* + * Rom contents + */ + + .interrupt : { + __text_start__ = .; + *(.interrupt) /* Interrupt vectors */ + + } > rom + + .text ORIGIN(rom) + 0x100 : { + ao_romconfig.o(.romconfig*) + ao_product.o(.romconfig*) + + *(.text*) /* Executable code */ + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + *(.rodata*) /* Constants */ + __text_end__ = .; + } > rom + + /* 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 ORIGIN(ram) + SIZEOF(.interrupt) (NOLOAD) : { + __boot_start__ = .; + *(.boot) + __boot_end__ = .; + } >ram + + /* Data -- relocated to RAM, but written to ROM + */ + .data : { + __data_start__ = .; + *(.data) /* initialized data */ + __data_end__ = .; + } >ram AT>rom + + + .bss : { + __bss_start__ = .; + *(.bss) + *(COMMON) + __bss_end__ = .; + } >ram + + PROVIDE(__stack__ = ORIGIN(ram) + LENGTH(ram)); + PROVIDE(end = .); +} + +ENTRY(start); |