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本帖最后由 流-423774 于 2015-1-21 11:29 编辑
这个问题困扰我比较久了,关于这个ProcessorExpert.ld文件配置问题,因为之前的项目使用的codewarrior10.5这个编译环境,我想把编译的这个文件做APP,前面16k地址给bootloader,app从0x4000地址开始,关于PricessirExpert.ld的配置如下:
ENTRY(__thumb_startup)
/* Highest address of the user mode stack */
_estack = 0x20003000; /* end of m_data */
__SP_INIT = _estack;
/* Generate a link error if heap and stack don't fit into RAM */
__heap_size = 0x00; /* required amount of heap */
__stack_size = 0x0600; /* required amount of stack */
MEMORY {
m_interrupts (RX) : ORIGIN = 0x00000000, LENGTH = 0x000000C0
m_text (RX) : ORIGIN = 0x00000410, LENGTH = 0x00017BF0
m_data (RW) : ORIGIN = 0x1FFFF000, LENGTH = 0x00004000
m_cfmprotrom (RX) : ORIGIN = 0x00000400, LENGTH = 0x00000010
}
/* Define output sections */
SECTIONS
{
/* The startup code goes first into INTERNAL_FLASH */
.interrupts :
{
__vector_table = .;
. = ALIGN(4);
KEEP(*(.vectortable)) /* Startup code */
. = ALIGN(4);
} > m_interrupts
.cfmprotect :
{
. = ALIGN(4);
KEEP(*(.cfmconfig)) /* Flash Configuration Field (FCF) */
. = ALIGN(4);
} > m_cfmprotrom
/* The program code and other data goes into INTERNAL_FLASH */
.text :
{
. = ALIGN(4);
*(.text) /* .text sections (code) */
*(.text*) /* .text* sections (code) */
*(.rodata) /* .rodata sections (constants, strings, etc.) */
*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
*(.glue_7) /* glue arm to thumb code */
*(.glue_7t) /* glue thumb to arm code */
*(.eh_frame)
KEEP (*(.init))
KEEP (*(.fini))
. = ALIGN(4);
_etext = .; /* define a global symbols at end of code */
} > m_text
.ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } > m_text
.ARM : {
__exidx_start = .;
*(.ARM.exidx*)
__exidx_end = .;
} > m_text
.ctors :
{
__CTOR_LIST__ = .;
/* gcc uses crtbegin.o to find the start of
the constructors, so we make sure it is
first. Because this is a wildcard, it
doesn't matter if the user does not
actually link against crtbegin.o; the
linker won't look for a file to match a
wildcard. The wildcard also means that it
doesn't matter which directory crtbegin.o
is in. */
KEEP (*crtbegin.o(.ctors))
/* We don't want to include the .ctor section from
from the crtend.o file until after the sorted ctors.
The .ctor section from the crtend file contains the
end of ctors marker and it must be last */
KEEP (*(EXCLUDE_FILE (*crtend.o ) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
__CTOR_END__ = .;
} > m_text
.dtors :
{
__DTOR_LIST__ = .;
KEEP (*crtbegin.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
__DTOR_END__ = .;
} > m_text
.preinit_array :
{
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP (*(.preinit_array*))
PROVIDE_HIDDEN (__preinit_array_end = .);
} > m_text
.init_array :
{
PROVIDE_HIDDEN (__init_array_start = .);
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array*))
PROVIDE_HIDDEN (__init_array_end = .);
} > m_text
.fini_array :
{
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(SORT(.fini_array.*)))
KEEP (*(.fini_array*))
PROVIDE_HIDDEN (__fini_array_end = .);
___ROM_AT = .;
} > m_text
/* reserve MTB memory at the beginning of m_data */
.mtb : /* MTB buffer address as defined by the hardware */
{
. = ALIGN(8);
_mtb_start = .;
KEEP(*(.mtb_buf)) /* need to KEEP Micro Trace Buffer as not referenced by application */
. = ALIGN(8);
_mtb_end = .;
} > m_data
/* Initialized data sections goes into RAM, load LMA copy after code */
.data : AT(___ROM_AT)
{
. = ALIGN(4);
_sdata = .; /* create a global symbol at data start */
*(.data) /* .data sections */
*(.data*) /* .data* sections */
. = ALIGN(4);
_edata = .; /* define a global symbol at data end */
} > m_data
___data_size = _edata - _sdata;
/* Uninitialized data section */
. = ALIGN(4);
.bss :
{
/* This is used by the startup in order to initialize the .bss section */
__START_BSS = .;
PROVIDE ( __bss_start__ = __START_BSS );
*(.bss)
*(.bss*)
*(COMMON)
. = ALIGN(4);
__END_BSS = .;
PROVIDE ( __bss_end__ = __END_BSS );
} > m_data
_romp_at = ___ROM_AT + SIZEOF(.data);
.romp : AT(_romp_at)
{
__S_romp = _romp_at;
LONG(___ROM_AT);
LONG(_sdata);
LONG(___data_size);
LONG(0);
LONG(0);
LONG(0);
} > m_data
/* User_heap_stack section, used to check that there is enough RAM left */
._user_heap_stack :
{
. = ALIGN(4);
PROVIDE ( end = . );
PROVIDE ( _end = . );
__heap_addr = .;
. = . + __heap_size;
. = . + __stack_size;
. = ALIGN(4);
} > m_data
.ARM.attributes 0 : { *(.ARM.attributes) }
}
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