parent
38a24a612e
commit
fe57bb19b0
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/* |
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* (C) Copyright 2000 |
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program 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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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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|
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OUTPUT_ARCH(powerpc) |
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SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib); |
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/* Do we need any of these for elf? |
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__DYNAMIC = 0; */ |
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SECTIONS |
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{ |
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/* Read-only sections, merged into text segment: */ |
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. = + SIZEOF_HEADERS; |
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.interp : { *(.interp) } |
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.hash : { *(.hash) } |
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.dynsym : { *(.dynsym) } |
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.dynstr : { *(.dynstr) } |
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.rel.text : { *(.rel.text) } |
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.rela.text : { *(.rela.text) } |
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.rel.data : { *(.rel.data) } |
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.rela.data : { *(.rela.data) } |
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.rel.rodata : { *(.rel.rodata) } |
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.rela.rodata : { *(.rela.rodata) } |
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.rel.got : { *(.rel.got) } |
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.rela.got : { *(.rela.got) } |
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.rel.ctors : { *(.rel.ctors) } |
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.rela.ctors : { *(.rela.ctors) } |
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.rel.dtors : { *(.rel.dtors) } |
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.rela.dtors : { *(.rela.dtors) } |
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.rel.bss : { *(.rel.bss) } |
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.rela.bss : { *(.rela.bss) } |
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.rel.plt : { *(.rel.plt) } |
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.rela.plt : { *(.rela.plt) } |
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.init : { *(.init) } |
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.plt : { *(.plt) } |
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.text : |
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{ |
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/* WARNING - the following is hand-optimized to fit within */ |
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/* the sector layout of our flash chips! XXX FIXME XXX */ |
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|
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cpu/mpc8xx/start.o (.text) |
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cpu/mpc8xx/traps.o (.text) |
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common/dlmalloc.o (.text) |
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lib_ppc/ppcstring.o (.text) |
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lib_generic/vsprintf.o (.text) |
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lib_generic/crc32.o (.text) |
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lib_generic/zlib.o (.text) |
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lib_ppc/cache.o (.text) |
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lib_ppc/time.o (.text) |
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|
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. = env_offset; |
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common/environment.o (.ppcenv) |
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|
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*(.text) |
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*(.fixup) |
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*(.got1) |
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} |
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_etext = .; |
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PROVIDE (etext = .); |
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.rodata : |
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{ |
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*(.rodata) |
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*(.rodata1) |
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} |
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.fini : { *(.fini) } =0 |
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.ctors : { *(.ctors) } |
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.dtors : { *(.dtors) } |
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|
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/* Read-write section, merged into data segment: */ |
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. = (. + 0x00FF) & 0xFFFFFF00; |
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_erotext = .; |
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PROVIDE (erotext = .); |
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.reloc : |
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{ |
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*(.got) |
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_GOT2_TABLE_ = .; |
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*(.got2) |
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_FIXUP_TABLE_ = .; |
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*(.fixup) |
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} |
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__got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; |
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__fixup_entries = (. - _FIXUP_TABLE_)>>2; |
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|
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.data : |
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{ |
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*(.data) |
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*(.data1) |
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*(.sdata) |
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*(.sdata2) |
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*(.dynamic) |
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CONSTRUCTORS |
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} |
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_edata = .; |
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PROVIDE (edata = .); |
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|
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__start___ex_table = .; |
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__ex_table : { *(__ex_table) } |
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__stop___ex_table = .; |
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|
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. = ALIGN(256); |
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__init_begin = .; |
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.text.init : { *(.text.init) } |
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.data.init : { *(.data.init) } |
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. = ALIGN(256); |
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__init_end = .; |
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|
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__bss_start = .; |
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.bss : |
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{ |
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*(.sbss) *(.scommon) |
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*(.dynbss) |
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*(.bss) |
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*(COMMON) |
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} |
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_end = . ; |
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PROVIDE (end = .); |
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} |
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|
@ -0,0 +1,80 @@ |
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/*
|
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* (C) Copyright 2001 |
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* Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program 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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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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|
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <unistd.h> |
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|
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#define __ASSEMBLY__ /* Dirty trick to get only #defines */ |
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#include <config.h> |
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#undef __ASSEMBLY__ |
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|
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#if defined(CFG_ENV_IS_IN_FLASH) |
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# ifndef CFG_ENV_ADDR |
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# define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_ENV_OFFSET) |
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# endif |
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# ifndef CFG_ENV_OFFSET |
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# define CFG_ENV_OFFSET (CFG_ENV_ADDR - CFG_FLASH_BASE) |
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# endif |
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# ifndef CFG_ENV_SIZE |
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# define CFG_ENV_SIZE CFG_ENV_SECT_SIZE |
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# endif |
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# if ((CFG_ENV_ADDR >= CFG_MONITOR_BASE) && \ |
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((CFG_ENV_ADDR+CFG_ENV_SIZE) <= (CFG_MONITOR_BASE + CFG_MONITOR_LEN))) |
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# define ENV_IS_EMBEDDED |
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# endif |
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#endif /* CFG_ENV_IS_IN_FLASH */ |
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extern unsigned long crc32 (unsigned long, const unsigned char *, unsigned int); |
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#ifdef ENV_IS_EMBEDDED |
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extern unsigned int env_size; |
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extern unsigned char environment; |
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#endif /* ENV_IS_EMBEDDED */ |
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|
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int main (int argc, char **argv) |
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{ |
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#ifdef ENV_IS_EMBEDDED |
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int crc ; |
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unsigned char *envptr = &environment, |
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*dataptr = envptr + sizeof(unsigned int) + 1; |
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unsigned int datasize = env_size - (dataptr - envptr) ; |
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crc = crc32(0, dataptr, datasize) ; |
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/* Check if verbose mode is activated passing a parameter to the program */ |
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if (argc > 1) { |
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printf("CRC32 from offset %08X to %08X of environment = %08X\n", |
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(unsigned int)(dataptr - envptr), |
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(unsigned int)(dataptr - envptr) + datasize, |
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crc); |
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} else { |
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printf("0x%08X\n", crc); |
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} |
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#else |
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printf("0\n"); |
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#endif |
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return EXIT_SUCCESS; |
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} |
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|
Loading…
Reference in new issue