diff options
Diffstat (limited to 'nuttx-configs/px4fmu-v1/scripts/ld.script')
| -rw-r--r-- | nuttx-configs/px4fmu-v1/scripts/ld.script | 58 |
1 files changed, 42 insertions, 16 deletions
diff --git a/nuttx-configs/px4fmu-v1/scripts/ld.script b/nuttx-configs/px4fmu-v1/scripts/ld.script index f6560743b..ced5b21b7 100644 --- a/nuttx-configs/px4fmu-v1/scripts/ld.script +++ b/nuttx-configs/px4fmu-v1/scripts/ld.script @@ -1,7 +1,7 @@ /**************************************************************************** - * configs/stm32f4discovery/scripts/ld.script + * configs/px4fmu-v1/scripts/ld.script * - * Copyright (C) 2011-2012 Gregory Nutt. All rights reserved. + * Copyright (C) 2011 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <gnutt@nuttx.org> * * Redistribution and use in source and binary forms, with or without @@ -42,41 +42,67 @@ * * When booting from FLASH, FLASH memory is aliased to address 0x0000:0000 * where the code expects to begin execution by jumping to the entry point in - * the 0x0800:0000 address - * range. + * the 0x0800:0000 address range. + * + * The first 0x4000 of flash is reserved for the bootloader. */ MEMORY { - flash (rx) : ORIGIN = 0x08004000, LENGTH = 1008K - sram (rwx) : ORIGIN = 0x20000000, LENGTH = 112K + flash (rx) : ORIGIN = 0x08004000, LENGTH = 1008K + sram (rwx) : ORIGIN = 0x20000000, LENGTH = 128K + ccsram (rwx) : ORIGIN = 0x10000000, LENGTH = 64K } OUTPUT_ARCH(arm) -EXTERN(_vectors) -ENTRY(_stext) + +ENTRY(__start) /* treat __start as the anchor for dead code stripping */ +EXTERN(_vectors) /* force the vectors to be included in the output */ + +/* + * Ensure that abort() is present in the final object. The exception handling + * code pulled in by libgcc.a requires it (and that code cannot be easily avoided). + */ +EXTERN(abort) + SECTIONS { .text : { _stext = ABSOLUTE(.); *(.vectors) - *(.text .text.*) + *(.text .text.*) *(.fixup) *(.gnu.warning) - *(.rodata .rodata.*) + *(.rodata .rodata.*) *(.gnu.linkonce.t.*) - *(.glue_7) - *(.glue_7t) *(.got) *(.gcc_except_table) *(.gnu.linkonce.r.*) _etext = ABSOLUTE(.); + + /* + * This is a hack to make the newlib libm __errno() call + * use the NuttX get_errno_ptr() function. + */ + __errno = get_errno_ptr; } > flash - .init_section : { - _sinit = ABSOLUTE(.); - *(.init_array .init_array.*) - _einit = ABSOLUTE(.); + /* + * Init functions (static constructors and the like) + */ + .init_section : { + _sinit = ABSOLUTE(.); + KEEP(*(.init_array .init_array.*)) + _einit = ABSOLUTE(.); + } > flash + + /* + * Construction data for parameters. + */ + __param ALIGN(4): { + __param_start = ABSOLUTE(.); + KEEP(*(__param*)) + __param_end = ABSOLUTE(.); } > flash .ARM.extab : { |