mirror of https://github.com/FOME-Tech/openblt.git
Refs #311. Reworked compiler specific parts in the Tricore_TC1798 port.
git-svn-id: https://svn.code.sf.net/p/openblt/code/trunk@294 5dc33758-31d5-4daf-9ae8-b24bf3d40d73
This commit is contained in:
Frank Voorburg
parent
4e6bc0ea53
commit
f8ad500416
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@ -1,540 +0,0 @@
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/*
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* crt0-tc1x.S -- Startup code for GNU/TriCore applications.
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*
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* Copyright (C) 1998-2012 HighTec EDV-Systeme GmbH.
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*
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* This file is part of GCC.
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*
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* GCC is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* GCC is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* Under Section 7 of GPL version 3, you are granted additional
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* permissions described in the GCC Runtime Library Exception, version
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* 3.1, as published by the Free Software Foundation.
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*
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* You should have received a copy of the GNU General Public License and
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* a copy of the GCC Runtime Library Exception along with this program;
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* see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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* <http://www.gnu.org/licenses/>. */
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#ifndef __TRICORE_NAME__
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#error Please define __TRICOR_NAME__
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#endif
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/* define the Derivate Name as a hexvalue
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* this name is defined in tricore.specs for specific derivate to
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* the derivate number as a hexvalue (e.g. TC1796 => 0x1796
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* This name will be used in the memory.x Memory description to
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* to confirm that the crt0.o and the memory.x will be get from
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* same directory
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*/
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.global __TRICORE_DERIVATE_NAME__
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.type __TRICORE_DERIVATE_NAME__,@object
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.set __TRICORE_DERIVATE_NAME__,__TRICORE_NAME__
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.section ".startup_code", "awx", @progbits
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.global _start
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.type _start,@function
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_start:
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.code32
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j 0f
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/*
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* external boot memory configuration word
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*/
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.word __EBMCFG
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.word __EBMCFG
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.word __EBMCFG
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.word __EBMCFG
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/*
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* default value for this configuration word
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*/
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.global __EBMCFG
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.weak __EBMCFG
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__EBMCFG = 0x0000808c
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0:
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#; check whether WDTCON0.ENDINIT is set
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#; clear it if necessary
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#; initialization code must write ENDINIT protected registers
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ld.w %d1,$wdtcon0 # %d1 = *WDTCON0
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jz.t %d1,0,endinit_done
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jl asm_clear_endinit
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endinit_done:
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/*
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* initialize user and interrupt stack pointers
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*/
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movh.a %sp,hi:__USTACK # load %sp
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lea %sp,[%sp]lo:__USTACK
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movh %d0,hi:__ISTACK # load $isp
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addi %d0,%d0,lo:__ISTACK
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mtcr $isp,%d0
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isync
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#; install trap handlers
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movh %d0,hi:first_trap_table #; load $btv
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addi %d0,%d0,lo:first_trap_table
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mtcr $btv,%d0
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isync
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/*
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* initialize call depth counter
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*/
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mfcr %d0,$psw
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#ifdef MAX_CALLDEPTH_64
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andn %d0,%d0,0x7f # reset call depth counter
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or %d0,%d0,0x80 # set CDE bit
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#else
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or %d0,%d0,0x7f # disable call depth counting
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andn %d0,%d0,0x80 # clear CDE bit
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#endif
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mtcr $psw,%d0
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isync
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/*
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* initialize access to system global registers
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*/
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mfcr %d0,$psw
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or %d0,%d0,0x100 # set GW bit
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mtcr $psw,%d0
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isync
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/*
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* initialize SDA base pointers
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*/
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.global _SMALL_DATA_,_SMALL_DATA2_,_SMALL_DATA3_,_SMALL_DATA4_
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.weak _SMALL_DATA_,_SMALL_DATA2_,_SMALL_DATA3_,_SMALL_DATA4_
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movh.a %a0,hi:_SMALL_DATA_ # %a0 addresses .sdata/.sbss
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lea %a0,[%a0]lo:_SMALL_DATA_
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movh.a %a1,hi:_SMALL_DATA2_ # %a1 addresses .sdata2/.sbss2
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lea %a1,[%a1]lo:_SMALL_DATA2_
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movh.a %a8,hi:_SMALL_DATA3_ # %a8 addresses .sdata3/.sbss3
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lea %a8,[%a8]lo:_SMALL_DATA3_
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movh.a %a9,hi:_SMALL_DATA4_ # %a9 addresses .sdata4/.sbss4
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lea %a9,[%a9]lo:_SMALL_DATA4_
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#ifdef READONLY_SYSREGS
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mfcr %d0,$psw
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andn %d0,%d0,0x100 # clear GW bit
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mtcr $psw,%d0
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isync
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#endif
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/*
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* initialize target environment (PLLCLC, BUSCONx, ADDSELx etc)
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*
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* This is done by a user supplied assembler function __board_init
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*/
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#; force PC to remapped ROM address
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movh.a %a15,hi:__remapped
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lea %a15,[%a15]lo:__remapped
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nop
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ji %a15
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__remapped:
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# call _board_init
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jl __board_init
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__no_board_init:
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/*
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* disable code and data protection
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*/
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#ifdef DISABLE_CODE_PROTECTION
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mfcr %d0,$cpm0_0 # disable code protection
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andn %d0,%d0,0xff
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mtcr $cpm0_0,%d0
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isync
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#endif
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#ifdef DISABLE_DATA_PROTECTION
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mfcr %d0,$dpm0_0 # disable data protection
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andn %d0,%d0,0xff
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mtcr $dpm0_0,%d0
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isync
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#endif
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/*
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* initialize software break service (OCDS)
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*/
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#ifdef INIT_SBS
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SRCSB0 = 0xfffeffbc
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SWBIPL = 31
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mov.u %d0,lo:(SWBIPL + 0x00001000)
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addih %d0,%d0,hi:(SWBIPL + 0x00001000)
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movh.a %a5,hi:SRCSB0
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lea %a5,[%a5]lo:SRCSB0
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st.w [%a5],%d0
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#endif
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/*
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* disable watchdog timer and set ENDINIT bit
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*/
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jl _disable_wdt
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/*
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* initialize context save areas
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*/
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jl __init_csa
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/*
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* handle clear table (i.e., fill BSS with zeros)
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*/
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jl __clear_table_func
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/*
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* handle copy table (support for romable code)
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*/
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jl __copy_table_func
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/*
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* call the initializer, constructors etc.
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*/
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call _init
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/*
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* _exit (main (0, NULL));
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*/
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mov %d4,0 # argc = 0
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sub.a %sp,8
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st.w [%sp]0, %d4
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st.w [%sp]4, %d4
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mov.aa %a4, %sp # argv
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call main # int retval = main (0, NULL);
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mov %d4,%d2
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lea %sp,[%sp]8 # remove argv[0]
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mov.u %d1, 0x900d # set exit code i(A14) for the simulator to
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mov %d15, %d2 # 0x900d if the exit status is 0
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movh %d3, 0xffff
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or %d2, %d2, %d3
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cmov %d1,%d15,%d2
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mov.a %a14, %d1
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j _exit # _exit (retval);
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debug # should never come here
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/*
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* disable watchdog timer and set ENDINIT bit
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*/
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WDTMASK = 0xffffff03
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WDTMASKA= 0xffffff01
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WDTMASK2= 0xfffffff0
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.globl _disable_wdt
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.type _disable_wdt,function
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_disable_wdt: # lock WDT via passwd access
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movh %d2,hi:WDTMASK
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addi %d2,%d2,lo:WDTMASK # %d2 = 0xffffff03
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movh %d5,hi:WDTMASK2 # %d5 = 0xfffffff0
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addi %d5,%d5,lo:WDTMASK2
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mov %d6,0x8 # %d6 = "disable WDT"
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st.w $wdtcon1,%d6 # WDTCON1.WDTDR = 1
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ld.w %d0,$wdtcon0 # %d0 = *WDTCON0
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ld.w %d1,$wdtcon1 # %d1 = *WDTCON1
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and %d3,%d2,%d0 # %d3 = WDTCON0 & 0xffffff03
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or %d3,%d3,0xf0 # %d3 |= 0xf0
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and %d4,%d1,0xc
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or %d3,%d3,%d4 # %d3 |= (WDTCON1 & 0xc)
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xor %d3,%d3,0x2 # %d3 ^= 0x2
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st.w $wdtcon0,%d3 # WDTCON = %d3
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and %d3,%d3,%d5 # %d3 &= 0xfffffff0
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or %d3,%d3,0x3 # WDTCON0.{WDTLCK,ENDINIT} = 1
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st.w $wdtcon0,%d3 # write back new value
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ld.w %d0,$wdtcon0 # ensure that value is written
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ji %a11
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/*
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* initialize context save areas (CSAs), PCXI, LCX and FCX
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*/
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.globl __init_csa
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.type __init_csa,function
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__init_csa:
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movh %d0,0
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mtcr $pcxi,%d0
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isync
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movh %d0,hi:__CSA_BEGIN #; %d0 = begin of CSA
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addi %d0,%d0,lo:__CSA_BEGIN
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addi %d0,%d0,63 #; force alignment (2^6)
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andn %d0,%d0,63
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movh %d2,hi:__CSA_END #; %d2 = end of CSA
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addi %d2,%d2,lo:__CSA_END
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andn %d2,%d2,63 #; force alignment (2^6)
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sub %d2,%d2,%d0
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sh %d2,%d2,-6 #; %d2 = number of CSAs
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mov.a %a3,%d0 #; %a3 = address of first CSA
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extr.u %d0,%d0,28,4 #; %d0 = segment << 16
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sh %d0,%d0,16
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lea %a4,0 #; %a4 = previous CSA = 0
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st.a [%a3], %a4 #; store it in 1st CSA
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mov.aa %a4,%a3 #; %a4 = current CSA
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lea %a3,[%a3]64 #; %a3 = %a3->nextCSA
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mov.d %d1,%a3
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extr.u %d1,%d1,6,16 #; get CSA index
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or %d1,%d1,%d0 #; add segment number
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mtcr $lcx,%d1 #; initialize LCX
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add %d2,%d2,-2 #; CSAs to initialize -= 2
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mov.a %a5, %d2 #; %a5 = loop counter
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csa_loop:
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mov.d %d1,%a4 #; %d1 = current CSA address
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extr.u %d1,%d1,6,16 #; get CSA index
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or %d1,%d1,%d0 #; add segment number
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st.w [%a3],%d1 #; store "nextCSA" pointer
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mov.aa %a4,%a3 #; %a4 = current CSA address
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lea %a3,[%a3]64 #; %a3 = %a3->nextCSA
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loop %a5, csa_loop #; repeat until done
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mov.d %d1,%a4 #; %d1 = current CSA address
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extr.u %d1,%d1,6,16 #; get CSA index
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or %d1,%d1,%d0 #; add segment number
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mtcr $fcx,%d1 #; initialize FCX
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isync
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ji %a11
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.global asm_clear_endinit
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.type asm_clear_endinit,@function
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asm_clear_endinit:
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ld.w %d0,$wdtcon0 # %d0 = *WDTCON0
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ld.w %d1,$wdtcon1 # %d1 = *WDTCON1
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movh %d2,hi:WDTMASKA
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addi %d2,%d2,lo:WDTMASKA # %d2 = 0xffffff01
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and %d0,%d2,%d0
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or %d0,%d0,240
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and %d4,%d1,12
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or %d0,%d4,%d0
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st.w $wdtcon0,%d0
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movh %d4,hi:WDTMASK2 # %d4 = 0xfffffff0
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addi %d4,%d4,lo:WDTMASK2
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and %d0,%d4,%d0
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or %d0,%d0,2 # ENDINIT = 0
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isync
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st.w $wdtcon0,%d0
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ld.w %d0,$wdtcon0 # ensure that value is written
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ji %a11
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/*
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* handle clear table (i.e., fill BSS with zeros)
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*/
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.global __clear_table_func
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.type __clear_table_func,@function
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__clear_table_func:
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mov %d14,0 # %e14 = 0
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mov %d15,0
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movh.a %a13,hi:__clear_table # %a13 = &first table entry
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lea %a13,[%a13]lo:__clear_table
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__clear_table_next:
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ld.a %a15,[%a13+]4 # %a15 = current block base
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ld.w %d3,[%a13+]4 # %d3 = current block length
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jeq %d3,-1,__clear_table_done # length == -1 => end of table
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sh %d0,%d3,-3 # %d0 = length / 8 (doublewords)
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and %d1,%d3,7 # %d1 = length % 8 (rem. bytes)
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jz %d0,__clear_word # block size < 8 => clear word
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addi %d0,%d0,-1 # else doublewords -= 1
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mov.a %a2,%d0 # %a2 = loop counter
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__clear_dword:
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st.d [%a15+]8,%e14 # clear one doubleword
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loop %a2,__clear_dword
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__clear_word:
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jz %d1,__clear_table_next
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sh %d0,%d1,-2 # %d0 = length / 4 (words)
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and %d1,%d1,3 # %d1 = length % 4 (rem. bytes)
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jz %d0,__clear_hword # block size < 4 => clear hword
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st.w [%a15+]4,%d15 # clear one word
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__clear_hword:
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jz %d1,__clear_table_next
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sh %d0,%d1,-1 # %d0 = length / 2 (halfwords)
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and %d1,%d1,1 # %d1 = length % 2 (rem. bytes)
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jz %d0,__clear_byte # block size < 2 => clear byte
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st.h [%a15+]2,%d15 # clear one halfword
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__clear_byte:
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jz %d1,__clear_table_next
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st.b [%a15],%d15 # clear one byte
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j __clear_table_next # handle next clear table entry
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__clear_table_done:
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ji %a11
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/*
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* handle copy table (support for romable code)
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*/
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.global __copy_table_func
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.type __copy_table_func,@function
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__copy_table_func:
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movh.a %a13,hi:__copy_table # %a13 = &first table entry
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lea %a13,[%a13]lo:__copy_table
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__copy_table_next:
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ld.a %a15,[%a13+]4 # %a15 = src address
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ld.a %a14,[%a13+]4 # %a14 = dst address
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ld.w %d3,[%a13+]4 # %d3 = block length
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jeq %d3,-1,__copy_table_done # length == -1 => end of table
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sh %d0,%d3,-3 # %d0 = length / 8 (doublewords)
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and %d1,%d3,7 # %d1 = lenght % 8 (rem. bytes)
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jz %d0,__copy_word # block size < 8 => copy word
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addi %d0,%d0,-1 # else doublewords -= 1
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mov.a %a2,%d0 # %a2 = loop counter
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__copy_dword:
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ld.d %e14,[%a15+]8 # copy one doubleword
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st.d [%a14+]8,%e14
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loop %a2,__copy_dword
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__copy_word:
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jz %d1,__copy_table_next
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sh %d0,%d1,-2 # %d0 = length / 4 (words)
|
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and %d1,%d1,3 # %d1 = lenght % 4 (rem. bytes)
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jz %d0,__copy_hword # block size < 4 => copy hword
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ld.w %d14,[%a15+]4 # copy one word
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st.w [%a14+]4,%d14
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__copy_hword:
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jz %d1,__copy_table_next
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sh %d0,%d1,-1 # %d0 = length / 2 (halfwords)
|
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and %d1,%d1,1 # %d1 = lenght % 2 (rem. bytes)
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jz %d0,__copy_byte # block size < 2 => copy byte
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ld.h %d14,[%a15+]2 # copy one halfword
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st.h [%a14+]2,%d14
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||||
__copy_byte:
|
||||
jz %d1,__copy_table_next
|
||||
ld.b %d14,[%a15]0 # copy one byte
|
||||
st.b [%a14],%d14
|
||||
j __copy_table_next # handle next copy table entry
|
||||
__copy_table_done:
|
||||
|
||||
ji %a11
|
||||
|
||||
|
||||
/*
|
||||
* dummy board initilization function
|
||||
.global __board_init
|
||||
.weak __board_init
|
||||
|
||||
__board_init:
|
||||
ji %a11
|
||||
*/
|
||||
|
||||
.global boardSetupTabSize
|
||||
.weak boardSetupTabSize
|
||||
.global boardSetupTab
|
||||
.weak boardSetupTab
|
||||
boardSetupTab:
|
||||
boardSetupTabSize:
|
||||
|
||||
|
||||
.global __board_init
|
||||
.type __board_init,@function
|
||||
__board_init:
|
||||
.code32
|
||||
|
||||
#;
|
||||
#; initialize target environment (PLLCLC, BUSCONx, ADDSELx)
|
||||
#;
|
||||
#; this is done by board specific setup table (address/value - pairs)
|
||||
#;
|
||||
|
||||
movh.a %a15,hi:boardSetupTabSize
|
||||
lea %a15,[%a15]lo:boardSetupTabSize # %a14 address of table size
|
||||
movh.a %a14,hi:boardSetupTab
|
||||
lea %a14,[%a14]lo:boardSetupTab # %a14 address of setup table
|
||||
jeq.a %a14, %a15, no_setup
|
||||
|
||||
ld.a %a15,[%a15]0 # %a15 = table size
|
||||
jz.a %a15,no_setup
|
||||
add.a %a15,-1 # correction for loop
|
||||
setup_loop:
|
||||
ld.a %a2,[%a14+] # %a2 = boardSetupTab.addr
|
||||
ld.w %d2,[%a14+] # %d2 = boardSetupTab.val
|
||||
st.w [%a2],%d2
|
||||
loop %a15,setup_loop
|
||||
|
||||
isync
|
||||
nop
|
||||
nop
|
||||
|
||||
no_setup:
|
||||
|
||||
ji %a11
|
||||
|
||||
/*============================================================================*
|
||||
* Exception handlers (exceptions in startup code)
|
||||
*
|
||||
* This is a minimal trap vector table, which consists of eight
|
||||
* entries, each consisting of eight words (32 bytes).
|
||||
*============================================================================*/
|
||||
|
||||
|
||||
#; .section .traptab, "awx", @progbits
|
||||
|
||||
.macro trapentry from=0, to=7
|
||||
debug
|
||||
mov.u %d14, \from << 8
|
||||
add %d14, %d14, %d15
|
||||
mov.a %a14, %d14
|
||||
addih.a %a14, %a14,0xdead
|
||||
j _exit
|
||||
0: j 0b
|
||||
nop
|
||||
rfe
|
||||
.align 5
|
||||
.if \to-\from
|
||||
trapentry "(\from+1)",\to
|
||||
.endif
|
||||
.endm
|
||||
|
||||
.align 8
|
||||
.globl first_trap_table
|
||||
first_trap_table:
|
||||
trapentry 0, 7
|
||||
|
||||
|
||||
|
|
@ -1,40 +0,0 @@
|
|||
# Copyright (C) 1998-2012 HighTec EDV-Systeme GmbH.
|
||||
#
|
||||
# This file is part of GCC.
|
||||
#
|
||||
# GCC 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; either version 3, or (at your option)
|
||||
# any later version.
|
||||
#
|
||||
# GCC 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.
|
||||
#
|
||||
# Under Section 7 of GPL version 3, you are granted additional
|
||||
# permissions described in the GCC Runtime Library Exception, version
|
||||
# 3.1, as published by the Free Software Foundation.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License and
|
||||
# a copy of the GCC Runtime Library Exception along with this program;
|
||||
# see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
||||
# <http://www.gnu.org/licenses/>. */
|
||||
|
||||
# This file just makes sure that the .fini and .init sections do in
|
||||
# fact return. Users may put any desired instructions in those sections.
|
||||
# This file is the last thing linked into any executable.
|
||||
|
||||
# On the tricore we have just to return
|
||||
|
||||
.file "crtn.S"
|
||||
|
||||
.section ".init"
|
||||
;;
|
||||
ret
|
||||
|
||||
.section ".fini"
|
||||
;;
|
||||
ret
|
||||
|
||||
# end of crtn.asm
|
||||
|
|
@ -1,656 +0,0 @@
|
|||
|
||||
/*
|
||||
* Name: memory.x
|
||||
*
|
||||
* Generated Linker Description File
|
||||
* Copyright (C) 2010 HighTec EDV-Systeme GmbH.
|
||||
* (!Do not edit outsite of the protection areas!)
|
||||
*
|
||||
* Description:
|
||||
* internal flash configuration
|
||||
*/
|
||||
|
||||
/*
|
||||
* Define Entrypoint of Executable
|
||||
*/
|
||||
ENTRY(_start)
|
||||
|
||||
/*
|
||||
* Global
|
||||
*/
|
||||
/*Program Flash Memory (PFLASH0)*/
|
||||
__PMU_PFLASH0_BEGIN = 0x80000000;
|
||||
__PMU_PFLASH0_SIZE = 2M;
|
||||
/*Program Flash Memory (PFLASH1)*/
|
||||
__PMU_PFLASH1_BEGIN = 0x80800000;
|
||||
__PMU_PFLASH1_SIZE = 2M;
|
||||
/*Data Flash Memory (DFLASH0)*/
|
||||
__PMU_DFLASH0_BEGIN = 0xAF000000;
|
||||
__PMU_DFLASH0_SIZE = 96K;
|
||||
/*Data Flash Memory (DFLASH1)*/
|
||||
__PMU_DFLASH1_BEGIN = 0xAF080000;
|
||||
__PMU_DFLASH1_SIZE = 96K;
|
||||
/*Boot ROM (BROM)*/
|
||||
__BROM_BEGIN = 0xAFFFC000;
|
||||
__BROM_SIZE = 16K;
|
||||
/*Scratch-Pad RAM (PSPR)*/
|
||||
__PMI_PSPR_BEGIN = 0xC0000000;
|
||||
__PMI_PSPR_SIZE = 32K;
|
||||
/*Local Data RAM (DSPR)*/
|
||||
__DMI_DSPR_BEGIN = 0xD0000000;
|
||||
__DMI_DSPR_SIZE = 128K;
|
||||
/*PCP Code Memory (CMEM)*/
|
||||
__PCP_CMEM_BEGIN = 0xF0060000;
|
||||
__PCP_CMEM_SIZE = 32K;
|
||||
/*PCP Data Memory (PRAM)*/
|
||||
__PCP_PRAM_BEGIN = 0xF0050000;
|
||||
__PCP_PRAM_SIZE = 16K;
|
||||
/*External Code Memory*/
|
||||
__EXT_FLASH_BEGIN = 0x84000000;
|
||||
__EXT_FLASH_SIZE = 4M;
|
||||
/*External Data Memory*/
|
||||
__EXT_RAM_BEGIN = 0x83000000;
|
||||
__EXT_RAM_SIZE = 1M;
|
||||
|
||||
|
||||
__USTACK_SIZE = DEFINED (__USTACK_SIZE) ? __USTACK_SIZE : 1K; /* Section for ustack*/
|
||||
__ISTACK_SIZE = DEFINED (__ISTACK_SIZE) ? __ISTACK_SIZE : 256; /* Section for istack*/
|
||||
__HEAP_SIZE = DEFINED (__HEAP_SIZE) ? __HEAP_SIZE : 4K; /* Section for heap*/
|
||||
__CSA_SIZE = DEFINED (__CSA_SIZE) ? __CSA_SIZE : 16K; /* Section for CSA*/
|
||||
|
||||
/**
|
||||
* User defined global region
|
||||
*/
|
||||
/*PROTECTED REGION ID(Protection:iROM-Global) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
/*
|
||||
* internal flash configuration
|
||||
*/
|
||||
MEMORY
|
||||
{
|
||||
PMU_PFLASH0 (rx!p): org = 0x80000000, len = 2M /*Program Flash Memory (PFLASH0)*/
|
||||
PMU_PFLASH1 (rx!p): org = 0x80800000, len = 2M /*Program Flash Memory (PFLASH1)*/
|
||||
PMU_DFLASH0 (r!xp): org = 0xAF000000, len = 96K /*Data Flash Memory (DFLASH0)*/
|
||||
PMU_DFLASH1 (r!xp): org = 0xAF080000, len = 96K /*Data Flash Memory (DFLASH1)*/
|
||||
BROM (rx!p): org = 0xAFFFC000, len = 16K /*Boot ROM (BROM)*/
|
||||
PMI_PSPR (wx!p): org = 0xC0000000, len = 32K /*Scratch-Pad RAM (PSPR)*/
|
||||
DMI_DSPR (w!xp): org = 0xD0000000, len = 128K /*Local Data RAM (DSPR)*/
|
||||
PCP_CMEM (rxp): org = 0xF0060000, len = 32K /*PCP Code Memory (CMEM)*/
|
||||
PCP_PRAM (wp!x): org = 0xF0050000, len = 16K /*PCP Data Memory (PRAM)*/
|
||||
EXT_FLASH (rx): org = 0x84000000, len = 4M /*External Code Memory*/
|
||||
EXT_RAM (w!x): org = 0x83000000, len = 1M /*External Data Memory*/
|
||||
|
||||
}
|
||||
|
||||
SECTIONS
|
||||
{
|
||||
/*Code-Sections*/
|
||||
|
||||
/*
|
||||
* Startup code for TriCore
|
||||
*/
|
||||
.startup_code :
|
||||
{
|
||||
PROVIDE(__startup_code_start = .);
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .startup_code.begin) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
*(.startup_code) /*Startup code for TriCore*/
|
||||
*(.startup_code*)
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .startup_code) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
PROVIDE(__startup_code_end = .);
|
||||
. = ALIGN(8);
|
||||
|
||||
} > PMU_PFLASH0 /* PMU_PFLASH0: Program Flash Memory (PFLASH0) */
|
||||
|
||||
/*
|
||||
* Code section
|
||||
*/
|
||||
.text :
|
||||
{
|
||||
PROVIDE(__text_start = .);
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .text.begin) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
*(.text) /*Code section*/
|
||||
*(.text*)
|
||||
*(.gnu.linkonce.t.*)
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .text) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
PROVIDE(__text_end = .);
|
||||
. = ALIGN(8);
|
||||
|
||||
} > PMU_PFLASH0 /* PMU_PFLASH0: Program Flash Memory (PFLASH0) */
|
||||
|
||||
/*
|
||||
* Code executed before calling main
|
||||
*/
|
||||
.init :
|
||||
{
|
||||
PROVIDE(__init_start = .);
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .init.begin) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
KEEP(*(.init)) /*Code executed before calling main*/
|
||||
KEEP(*(.init*))
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .init) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
PROVIDE(__init_end = .);
|
||||
. = ALIGN(8);
|
||||
|
||||
} > PMU_PFLASH0 /* PMU_PFLASH0: Program Flash Memory (PFLASH0) */
|
||||
|
||||
/*
|
||||
* Code executed before exiting program
|
||||
*/
|
||||
.fini :
|
||||
{
|
||||
PROVIDE(__fini_start = .);
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .fini.begin) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
KEEP(*(.fini)) /*Code executed before exiting program*/
|
||||
KEEP(*(.fini*))
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .fini) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
PROVIDE(__fini_end = .);
|
||||
. = ALIGN(8);
|
||||
|
||||
} > PMU_PFLASH0 /* PMU_PFLASH0: Program Flash Memory (PFLASH0) */
|
||||
|
||||
/*
|
||||
* Section for trap table
|
||||
*/
|
||||
.traptab :
|
||||
{
|
||||
PROVIDE(__traptab_start = .);
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .traptab.begin) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
*(.traptab) /*Section for trap table*/
|
||||
*(.traptab*)
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .traptab) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
PROVIDE(__traptab_end = .);
|
||||
. = ALIGN(8);
|
||||
|
||||
} > PMU_PFLASH0 /* PMU_PFLASH0: Program Flash Memory (PFLASH0) */
|
||||
|
||||
/*
|
||||
* Section for interrupt table
|
||||
*/
|
||||
.inttab :
|
||||
{
|
||||
PROVIDE(__inttab_start = .);
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .inttab.begin) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
*(.inttab) /*Section for interrupt table*/
|
||||
*(.inttab*)
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .inttab) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
PROVIDE(__inttab_end = .);
|
||||
. = ALIGN(8);
|
||||
|
||||
} > PMU_PFLASH0 /* PMU_PFLASH0: Program Flash Memory (PFLASH0) */
|
||||
|
||||
/*
|
||||
* Exception handling frame for C++ exceptions
|
||||
*/
|
||||
.eh_frame :
|
||||
{
|
||||
PROVIDE(__eh_frame_start = .);
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .eh_frame.begin) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
*(.eh_frame) /*Exception handling frame for C++ exceptions*/
|
||||
*(.eh_frame*)
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .eh_frame) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
PROVIDE(__eh_frame_end = .);
|
||||
. = ALIGN(8);
|
||||
|
||||
} > PMU_PFLASH0 /* PMU_PFLASH0: Program Flash Memory (PFLASH0) */
|
||||
|
||||
|
||||
|
||||
|
||||
/*Absolute Data-Sections*/
|
||||
|
||||
/*
|
||||
* Initialised data addressed as absolute
|
||||
*/
|
||||
.zdata :
|
||||
{
|
||||
PROVIDE(__zdata_start = .);
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .zdata.begin) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
*(.zdata) /*Initialised data addressed as absolute*/
|
||||
*(.zdata*)
|
||||
*(.zdata.rodata) /*.zdata.rodata*/
|
||||
*(.zdata.rodata*)
|
||||
*(.zrodata) /*.zrodata*/
|
||||
*(.zrodata*)
|
||||
*(.gnu.linkonce.z.*)
|
||||
*(.gnu.linkonce.zr.*)
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .zdata) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
PROVIDE(__zdata_end = .);
|
||||
. = ALIGN(8);
|
||||
|
||||
} > DMI_DSPR AT > PMU_PFLASH0 /* DMI_DSPR: Local Data RAM (DSPR) */ /* PMU_PFLASH0: Program Flash Memory (PFLASH0) */
|
||||
|
||||
/*
|
||||
* Not initialised data addressed as absolute
|
||||
*/
|
||||
.zbss (NOLOAD) :
|
||||
{
|
||||
PROVIDE(__zbss_start = .);
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .zbss.begin) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
*(.zbss) /*Not Initialised data addressed as absolute*/
|
||||
*(.zbss*)
|
||||
*(.gnu.linkonce.zb.*)
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .zbss) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
PROVIDE(__zbss_end = .);
|
||||
. = ALIGN(8);
|
||||
|
||||
} > DMI_DSPR /* DMI_DSPR: Local Data RAM (DSPR) */
|
||||
|
||||
/*
|
||||
* Not initialised bit data
|
||||
*/
|
||||
.bbss (NOLOAD) :
|
||||
{
|
||||
PROVIDE(__bbss_start = .);
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .bbss.begin) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
*(.bbss) /*Not initialised bit data*/
|
||||
*(.bbss*)
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .bbss) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
PROVIDE(__bbss_end = .);
|
||||
. = ALIGN(8);
|
||||
|
||||
} > DMI_DSPR /* DMI_DSPR: Local Data RAM (DSPR) */
|
||||
|
||||
/*
|
||||
* Bit variables
|
||||
*/
|
||||
.bdata :
|
||||
{
|
||||
PROVIDE(__bdata_start = .);
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .bdata.begin) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
*(.bdata) /*Bit variables*/
|
||||
*(.bdata*)
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .bdata) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
PROVIDE(__bdata_end = .);
|
||||
. = ALIGN(8);
|
||||
|
||||
} > DMI_DSPR AT > PMU_PFLASH0 /* DMI_DSPR: Local Data RAM (DSPR) */ /* PMU_PFLASH0: Program Flash Memory (PFLASH0) */
|
||||
|
||||
|
||||
|
||||
/*Small Data-Sections*/
|
||||
|
||||
/*
|
||||
* Storage of write-protected data addressed as small
|
||||
*/
|
||||
.sdata2 :
|
||||
{
|
||||
PROVIDE(__sdata2_start = .);
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .sdata2.begin) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
*(.sdata.rodata) /*Storage of write-protected data addressed as small*/
|
||||
*(.sdata.rodata*)
|
||||
*(.gnu.linkonce.sr.*)
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .sdata2) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
PROVIDE(__sdata2_end = .);
|
||||
. = ALIGN(8);
|
||||
|
||||
} > PMU_PFLASH0 /* PMU_PFLASH0: Program Flash Memory (PFLASH0) */
|
||||
|
||||
/*
|
||||
* Section stores initialised data which is addressable by small data area pointer (%a0)
|
||||
*/
|
||||
.sdata :
|
||||
{
|
||||
PROVIDE(__sdata_start = .);
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .sdata.begin) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
*(.sdata) /*Section stores initialised data which is addressable by small data area pointer (%a0)*/
|
||||
*(.sdata*)
|
||||
*(.gnu.linkonce.s.*)
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .sdata) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
PROVIDE(__sdata_end = .);
|
||||
. = ALIGN(8);
|
||||
|
||||
} > DMI_DSPR AT > PMU_PFLASH0 /* DMI_DSPR: Local Data RAM (DSPR) */ /* PMU_PFLASH0: Program Flash Memory (PFLASH0) */
|
||||
|
||||
/*
|
||||
* Not initialised data in section ’.sbss’, addressable by small data area pointer (%a0)
|
||||
*/
|
||||
.sbss (NOLOAD) :
|
||||
{
|
||||
PROVIDE(__sbss_start = .);
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .sbss.begin) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
*(.sbss) /*Not initialised data in section ’.sbss’, addressable by small data area pointer (%a0)*/
|
||||
*(.sbss*)
|
||||
*(.gnu.linkonce.sb.*)
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .sbss) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
PROVIDE(__sbss_end = .);
|
||||
. = ALIGN(8);
|
||||
|
||||
} > DMI_DSPR /* DMI_DSPR: Local Data RAM (DSPR) */
|
||||
|
||||
|
||||
|
||||
/*Normal Data-Sections*/
|
||||
|
||||
/*
|
||||
* Storage of write-protected data
|
||||
*/
|
||||
.rodata :
|
||||
{
|
||||
PROVIDE(__rodata_start = .);
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .rodata.begin) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
*(.rodata) /*Storage of write-protected data*/
|
||||
*(.rodata*)
|
||||
*(.gnu.linkonce.r.*)
|
||||
*(.jcr.*)
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .rodata) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
PROVIDE(__rodata_end = .);
|
||||
. = ALIGN(8);
|
||||
|
||||
} > PMU_PFLASH0 /* PMU_PFLASH0: Program Flash Memory (PFLASH0) */
|
||||
|
||||
/*
|
||||
* Initialised data
|
||||
*/
|
||||
.data :
|
||||
{
|
||||
PROVIDE(__data_start = .);
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .data.begin) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
*(.data) /*Initialised data*/
|
||||
*(.data*)
|
||||
*(.gnu.linkonce.d.*)
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .data) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
PROVIDE(__data_end = .);
|
||||
. = ALIGN(8);
|
||||
|
||||
} > DMI_DSPR AT > PMU_PFLASH0 /* DMI_DSPR: Local Data RAM (DSPR) */ /* PMU_PFLASH0: Program Flash Memory (PFLASH0) */
|
||||
|
||||
/*
|
||||
* Not Initialised data
|
||||
*/
|
||||
.bss (NOLOAD) :
|
||||
{
|
||||
PROVIDE(__bss_start = .);
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .bss.begin) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
*(.bss) /*Not Initialised data*/
|
||||
*(.bss*)
|
||||
*(.gnu.linkonce.b.*)
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROM .bss) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
PROVIDE(__bss_end = .);
|
||||
. = ALIGN(8);
|
||||
|
||||
} > DMI_DSPR /* DMI_DSPR: Local Data RAM (DSPR) */
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
/*
|
||||
* Section for constructors
|
||||
*/
|
||||
.ctors :
|
||||
{
|
||||
__CTOR_LIST__ = . ;
|
||||
|
||||
/*PROTECTED REGION ID(Protection: iROMconstructor.begin) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2);
|
||||
KEEP (*crtbegin.o(.ctors))
|
||||
KEEP (*(EXCLUDE_FILE (*crtend.o ) .ctors))
|
||||
KEEP (*(SORT(.ctors.*)))
|
||||
KEEP (*(.ctors))
|
||||
LONG(0) ;
|
||||
/*PROTECTED REGION ID(Protection: iROMconstructor) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
__CTOR_END__ = . ;
|
||||
. = ALIGN(8);
|
||||
} > PMU_PFLASH0
|
||||
|
||||
|
||||
/*
|
||||
* Section for destructors
|
||||
*/
|
||||
.dtors :
|
||||
{
|
||||
__DTOR_LIST__ = . ;
|
||||
/*PROTECTED REGION ID(Protection: iROM destructor.begin) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2);
|
||||
KEEP (*crtbegin.o(.dtors))
|
||||
KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors))
|
||||
KEEP (*(SORT(.dtors.*)))
|
||||
KEEP (*(.dtors))
|
||||
LONG(0) ;
|
||||
/*PROTECTED REGION ID(Protection: iROM destructor) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
__DTOR_END__ = . ;
|
||||
. = ALIGN(8);
|
||||
} > PMU_PFLASH0
|
||||
|
||||
|
||||
/*
|
||||
* Section for clear table
|
||||
*/
|
||||
.clear_sec :
|
||||
{
|
||||
. = ALIGN(8);
|
||||
PROVIDE(__clear_table = .) ;
|
||||
LONG(0 + ADDR(.bss)); LONG(SIZEOF(.bss));
|
||||
LONG(0 + ADDR(.sbss)); LONG(SIZEOF(.sbss));
|
||||
LONG(0 + ADDR(.zbss)); LONG(SIZEOF(.zbss));
|
||||
LONG(0 + ADDR(.bbss)); LONG(SIZEOF(.bbss));
|
||||
/*PROTECTED REGION ID(Protection: iROM clear section) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
LONG(-1); LONG(-1);
|
||||
} > PMU_PFLASH0
|
||||
|
||||
/*
|
||||
* Section for copy table
|
||||
*/
|
||||
.copy_sec :
|
||||
{
|
||||
. = ALIGN(8);
|
||||
PROVIDE(__copy_table = .) ;
|
||||
LONG(LOADADDR(.data)); LONG(0 + ADDR(.data)); LONG(SIZEOF(.data));
|
||||
LONG(LOADADDR(.sdata)); LONG(0 + ADDR(.sdata)); LONG(SIZEOF(.sdata));
|
||||
LONG(LOADADDR(.zdata)); LONG(0 + ADDR(.zdata)); LONG(SIZEOF(.zdata));
|
||||
LONG(LOADADDR(.bdata)); LONG(0 + ADDR(.bdata)); LONG(SIZEOF(.bdata));
|
||||
/*PROTECTED REGION ID(Protection: iROM copy section) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
LONG(-1); LONG(-1); LONG(-1);
|
||||
} > PMU_PFLASH0
|
||||
|
||||
|
||||
/*
|
||||
* Section for ustack
|
||||
*/
|
||||
.ustack :
|
||||
{
|
||||
. = ALIGN(8);
|
||||
__USTACK_BEGIN = . ;
|
||||
. += __USTACK_SIZE ;
|
||||
. = ALIGN(8);
|
||||
__USTACK = . ;
|
||||
__USTACK_END = . ;
|
||||
} > DMI_DSPR
|
||||
|
||||
/*
|
||||
* Section for istack
|
||||
*/
|
||||
.istack :
|
||||
{
|
||||
. = ALIGN(8);
|
||||
__ISTACK_BEGIN = . ;
|
||||
. += __ISTACK_SIZE ;
|
||||
. = ALIGN(8);
|
||||
__ISTACK = . ;
|
||||
__ISTACK_END = . ;
|
||||
} > DMI_DSPR
|
||||
|
||||
/*
|
||||
* Section for heap
|
||||
*/
|
||||
.heap :
|
||||
{
|
||||
. = ALIGN(8);
|
||||
__HEAP_BEGIN = . ;
|
||||
__HEAP = . ;
|
||||
. += __HEAP_SIZE ;
|
||||
. = ALIGN(8);
|
||||
__HEAP_END = . ;
|
||||
} > DMI_DSPR
|
||||
|
||||
/*
|
||||
* Section for CSA
|
||||
*/
|
||||
.csa :
|
||||
{
|
||||
. = ALIGN(64);
|
||||
__CSA_BEGIN = . ;
|
||||
__CSA = . ;
|
||||
. += __CSA_SIZE ;
|
||||
. = ALIGN(64);
|
||||
__CSA_END = . ;
|
||||
} > DMI_DSPR
|
||||
|
||||
|
||||
|
||||
|
||||
/*PROTECTED REGION ID(Protection:iROM-User-Sections) ENABLED START*/
|
||||
/*Protection-Area for your own LDF-Code*/
|
||||
/*PROTECTED REGION END*/
|
||||
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue