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nuttx-bb/nuttx/configs/mirtoo/ostest/debug.ld

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/****************************************************************************
* configs/mirtoo/ostest/ld.script
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/* Memory Regions ***********************************************************/
MEMORY
{
/* The PIC32MX250F128D has 128Kb of program FLASH at physical address
* 0x1d000000 but is always accessed at KSEG0 address 0x9d00:0000
*/
kseg0_progmem (rx) : ORIGIN = 0x9d000000, LENGTH = 128K
/* The PIC32MX250F128D has 3Kb of boot FLASH at physical addresses
* 0x1fc00000-0x1fc00c00. The initial reset vector is in KSEG1, but
* all other accesses are in KSEG0.
*
* REGION PHYSICAL KSEG SIZE
* DESCRIPTION START ADDR (BYTES)
* --------------- ---------- ------ ----------------------
* Exceptions:*
* Reset 0x1fc00000 KSEG1 384 384 (0.375Kb)
* Gen exception 0x1fc00000 KSEG1 128 512 (0.500Kb)
* TLB Refill 0x1fc00200 KSEG1 256 768 (0.750Kb)
* Cache Error 0x1fc00300 KSEG1 128 896 (0.875Kb)
* Others 0x1fc00380 KSEG1 128 1024 (1.000Kb)
* Interrupt 0x1fc00400 KSEG1 128 1152 (1.125Kb)
* Debug code 0x1fc00480 KSEG1 3072-1152-16 3056 (2.984Kb)
* DEVCFG3-0 0x1fc00bf0 KSEG1 16 3072 (3Kb)
*
* Exceptions assume:
*
* STATUS: BEV=0/1 and EXL=0
* CAUSE: IV=1
* JTAG: ProbEn=0
* And multi-vector support disabled
*/
kseg1_reset (rx) : ORIGIN = 0xbfc00000, LENGTH = 384
kseg1_genexcpt (rx) : ORIGIN = 0xbfc00180, LENGTH = 128
kseg1_ebexcpt (rx) : ORIGIN = 0xbfc00200, LENGTH = 256
kseg1_cacherr (rx) : ORIGIN = 0xbfc00300, LENGTH = 128
kseg1_bevexcpt (rx) : ORIGIN = 0xbfc00380, LENGTH = 128
kseg1_intexcpt (rx) : ORIGIN = 0xbfc00400, LENGTH = 128
kseg1_dbgexcpt (rx) : ORIGIN = 0xbfc00480, LENGTH = 3072-1152-16
kseg1_devcfg (r) : ORIGIN = 0xbfc00bf0, LENGTH = 16
/* The PIC32MX250F128D has 32Kb of data memory at physical address
* 0x00000000. Since the PIC32MX has no data cache, this memory is
* always accessed through KSEG1.
*
* NOTE: When used with MPLAB, we need to set aside 512 bytes of memory
* at the beginning of this region for use by MPLAB.
*/
kseg1_datamem (w!x) : ORIGIN = 0xa0000200, LENGTH = 32K - 512
}
OUTPUT_FORMAT("elf32-tradlittlemips")
OUTPUT_ARCH(pic32mx)
ENTRY(__start)
SECTIONS
{
/* Boot FLASH sections */
.reset :
{
KEEP (*(.reset))
} > kseg1_reset
/* Exception handlers. The following is assumed:
*
* STATUS: BEV=1 and EXL=0
* CAUSE: IV=1
* JTAG: ProbEn=0
* And multi-vector support disabled
*
* In that configuration, the vector locations become:
*
* Reset, Soft Reset bfc0:0000
* TLB Refill bfc0:0200
* Cache Error bfc0:0300
* All others bfc0:0380
* Interrupt bfc0:0400
* EJTAG Debug bfc0:0480
*/
/* KSEG1 exception handler "trampolines" */
.gen_excpt :
{
KEEP (*(.gen_excpt))
} > kseg1_genexcpt
.ebase_excpt :
{
KEEP (*(.ebase_excpt))
} > kseg1_ebexcpt
.bev_excpt :
{
KEEP (*(.bev_excpt))
} > kseg1_bevexcpt
.int_excpt :
{
KEEP (*(.int_excpt))
} > kseg1_intexcpt
.dbg_excpt = ORIGIN(kseg1_dbgexcpt);
.devcfg :
{
KEEP (*(.devcfg))
} > kseg1_devcfg
/* Program FLASH sections */
.start :
{
/* KSEG0 Reset startup logic */
*(.start)
/* KSEG0 exception handlers */
*(.nmi_handler)
*(.bev_handler)
*(.int_handler)
} > kseg0_progmem
.text :
{
_stext = ABSOLUTE(.);
*(.text .text.*)
*(.stub)
KEEP (*(.text.*personality*))
*(.gnu.linkonce.t.*)
*(.gnu.warning)
*(.mips16.fn.*)
*(.mips16.call.*)
/* Read-only data is included in the text section */
*(.rodata .rodata.*)
*(.rodata1)
*(.gnu.linkonce.r.*)
/* Small initialized constant global and static data */
*(.sdata2 .sdata2.*)
*(.gnu.linkonce.s2.*)
/* Uninitialized constant global and static data */
*(.sbss2 .sbss2.*)
*(.gnu.linkonce.sb2.*)
_etext = ABSOLUTE(.);
} > kseg0_progmem
/* Initialization data begins here in progmem */
_data_loaddr = LOADADDR(.data);
.eh_frame_hdr : { *(.eh_frame_hdr) }
.eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) }
/* RAM functions are positioned at the beginning of RAM so that
* they can be guaranteed to satisfy the 2Kb alignment requirement.
*/
/* This causes failures if there are no RAM functions
.ramfunc ALIGN(2K) :
{
_sramfunc = ABSOLUTE(.);
*(.ramfunc .ramfunc.*)
_eramfunc = ABSOLUTE(.);
} > kseg1_datamem AT > kseg0_progmem
_ramfunc_loadaddr = LOADADDR(.ramfunc);
_ramfunc_sizeof = SIZEOF(.ramfunc);
_bmxdkpba_address = _sramfunc - ORIGIN(kseg1_datamem) ;
_bmxdudba_address = LENGTH(kseg1_datamem) ;
_bmxdupba_address = LENGTH(kseg1_datamem) ;
*/
.data :
{
_sdata = ABSOLUTE(.);
*(.data .data.*)
*(.gnu.linkonce.d.*)
KEEP (*(.gnu.linkonce.d.*personality*))
*(.data1)
} > kseg1_datamem AT > kseg0_progmem
.eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) }
_gp = ALIGN(16) + 0x7FF0 ;
.got :
{
*(.got.plt) *(.got)
} > kseg1_datamem AT > kseg0_progmem
.sdata :
{
*(.sdata .sdata.* .gnu.linkonce.s.*)
} > kseg1_datamem AT > kseg0_progmem
.lit8 :
{
*(.lit8)
} > kseg1_datamem AT > kseg0_progmem
.lit4 :
{
*(.lit4)
_edata = ABSOLUTE(.);
} >kseg1_datamem AT>kseg0_progmem
.sbss :
{
_sbss = ABSOLUTE(.);
*(.dynsbss)
*(.sbss .sbss.* .gnu.linkonce.sb.*)
*(.scommon)
} >kseg1_datamem
.bss :
{
*(.dynbss)
*(.bss .bss.*)
*(.gnu.linkonce.b.*)
*(COMMON)
_ebss = ABSOLUTE(.);
} > kseg1_datamem
/* 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 */
/* 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) }
/DISCARD/ : { *(.note.GNU-stack) }
}
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