5xxx: Cleanup for partial linking and --gc-sections

Signed-off-by: Wolfgang Denk <wd@denx.de>
Acked-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Wolfgang Denk 2010-11-23 13:20:22 +01:00
parent 566d49a3f5
commit 085ecde156
7 changed files with 55 additions and 174 deletions

View File

@ -25,14 +25,25 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(CPU).o
START = start.o
SOBJS = io.o firmware_sc_task_bestcomm.impl.o
COBJS = i2c.o traps.o cpu.o cpu_init.o ide.o interrupts.o \
loadtask.o pci_mpc5200.o serial.o speed.o usb_ohci.o usb.o
SSTART = start.o
CSTART = traps.o
SOBJS += io.o
SOBJS += firmware_sc_task_bestcomm.impl.o
COBJS-y += i2c.o
COBJS-y += cpu.o
COBJS-y += cpu_init.o
COBJS-y += ide.o
COBJS-y += interrupts.o
COBJS-y += loadtask.o
COBJS-y += pci_mpc5200.o
COBJS-y += serial.o
COBJS-y += speed.o
COBJS-$(CONFIG_CMD_USB) += usb_ohci.o
COBJS-$(CONFIG_CMD_USB) += usb.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
START := $(addprefix $(obj),$(START))
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS-y))
START := $(addprefix $(obj),$(SSTART) $(CSTART))
all: $(obj).depend $(START) $(LIB)

View File

@ -22,57 +22,25 @@
*/
OUTPUT_ARCH(powerpc)
/* Do we need any of these for elf?
__DYNAMIC = 0; */
SECTIONS
{
/* Read-only sections, merged into text segment: */
. = + SIZEOF_HEADERS;
.interp : { *(.interp) }
.hash : { *(.hash) }
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
.rel.text : { *(.rel.text) }
.rela.text : { *(.rela.text) }
.rel.data : { *(.rel.data) }
.rela.data : { *(.rela.data) }
.rel.rodata : { *(.rel.rodata) }
.rela.rodata : { *(.rela.rodata) }
.rel.got : { *(.rel.got) }
.rela.got : { *(.rela.got) }
.rel.ctors : { *(.rel.ctors) }
.rela.ctors : { *(.rela.ctors) }
.rel.dtors : { *(.rel.dtors) }
.rela.dtors : { *(.rela.dtors) }
.rel.bss : { *(.rel.bss) }
.rela.bss : { *(.rela.bss) }
.rel.plt : { *(.rel.plt) }
.rela.plt : { *(.rela.plt) }
.init : { *(.init) }
.plt : { *(.plt) }
.text :
{
/* WARNING - the following is hand-optimized to fit within */
/* the sector layout of our flash chips! XXX FIXME XXX */
arch/powerpc/cpu/mpc5xxx/start.o (.text)
arch/powerpc/cpu/mpc5xxx/traps.o (.text)
lib/crc32.o (.text)
arch/powerpc/lib/cache.o (.text)
arch/powerpc/lib/time.o (.text)
arch/powerpc/cpu/mpc5xxx/start.o (.text*)
arch/powerpc/cpu/mpc5xxx/traps.o (.text*)
. = DEFINED(env_offset) ? env_offset : .;
common/env_embedded.o (.ppcenv)
common/env_embedded.o (.ppcenv*)
*(.text)
*(.got1)
*(.text*)
. = ALIGN(16);
*(.eh_frame)
*(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
}
.fini : { *(.fini) } =0
.ctors : { *(.ctors) }
.dtors : { *(.dtors) }
/* Read-write section, merged into data segment: */
. = (. + 0x0FFF) & 0xFFFFF000;
@ -80,23 +48,19 @@ SECTIONS
PROVIDE (erotext = .);
.reloc :
{
*(.got)
KEEP(*(.got))
_GOT2_TABLE_ = .;
*(.got2)
KEEP(*(.got2))
_FIXUP_TABLE_ = .;
*(.fixup)
KEEP(*(.fixup))
}
__got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2;
__fixup_entries = (. - _FIXUP_TABLE_) >> 2;
.data :
{
*(.data)
*(.data1)
*(.sdata)
*(.sdata2)
*(.dynamic)
CONSTRUCTORS
*(.data*)
*(.sdata*)
}
_edata = .;
PROVIDE (edata = .);
@ -122,9 +86,8 @@ SECTIONS
__bss_start = .;
.bss (NOLOAD) :
{
*(.sbss) *(.scommon)
*(.dynbss)
*(.bss)
*(.bss*)
*(.sbss*)
*(COMMON)
. = ALIGN(4);
}

View File

@ -1,5 +1,5 @@
/*
* (C) Copyright 2003-2007
* (C) Copyright 2003-2010
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
@ -22,46 +22,18 @@
*/
OUTPUT_ARCH(powerpc)
/* Do we need any of these for elf?
__DYNAMIC = 0; */
SECTIONS
{
/* Read-only sections, merged into text segment: */
. = + SIZEOF_HEADERS;
.interp : { *(.interp) }
.hash : { *(.hash) }
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
.rel.text : { *(.rel.text) }
.rela.text : { *(.rela.text) }
.rel.data : { *(.rel.data) }
.rela.data : { *(.rela.data) }
.rel.rodata : { *(.rel.rodata) }
.rela.rodata : { *(.rela.rodata) }
.rel.got : { *(.rel.got) }
.rela.got : { *(.rela.got) }
.rel.ctors : { *(.rel.ctors) }
.rela.ctors : { *(.rela.ctors) }
.rel.dtors : { *(.rel.dtors) }
.rela.dtors : { *(.rela.dtors) }
.rel.bss : { *(.rel.bss) }
.rela.bss : { *(.rela.bss) }
.rel.plt : { *(.rel.plt) }
.rela.plt : { *(.rela.plt) }
.init : { *(.init) }
.plt : { *(.plt) }
.text :
{
arch/powerpc/cpu/mpc5xxx/start.o (.text)
*(.text)
*(.got1)
arch/powerpc/cpu/mpc5xxx/start.o (.text*)
arch/powerpc/cpu/mpc5xxx/traps.o (.text*)
*(.text*)
. = ALIGN(16);
*(.eh_frame)
*(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
}
.fini : { *(.fini) } =0
.ctors : { *(.ctors) }
.dtors : { *(.dtors) }
/* Read-write section, merged into data segment: */
. = (. + 0x0FFF) & 0xFFFFF000;
@ -69,23 +41,19 @@ SECTIONS
PROVIDE (erotext = .);
.reloc :
{
*(.got)
KEEP(*(.got))
_GOT2_TABLE_ = .;
*(.got2)
KEEP(*(.got2))
_FIXUP_TABLE_ = .;
*(.fixup)
KEEP(*(.fixup))
}
__got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2;
__fixup_entries = (. - _FIXUP_TABLE_) >> 2;
.data :
{
*(.data)
*(.data1)
*(.sdata)
*(.sdata2)
*(.dynamic)
CONSTRUCTORS
*(.data*)
*(.sdata*)
}
_edata = .;
PROVIDE (edata = .);
@ -111,10 +79,9 @@ SECTIONS
__bss_start = .;
.bss (NOLOAD) :
{
*(.sbss) *(.scommon)
*(.dynbss)
*(.bss)
*(COMMON)
*(.bss*)
*(.sbss*)
. = ALIGN(4);
}
_end = . ;

View File

@ -1,24 +0,0 @@
#
# (C) Copyright 2004
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program 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 2 of
# the License, or (at your option) any later version.
#
# This program 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.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
LDSCRIPT := $(SRCTREE)/arch/powerpc/cpu/mpc5xxx/u-boot-customlayout.lds

View File

@ -28,38 +28,13 @@ OUTPUT_ARCH(powerpc)
SECTIONS
{
/* Read-only sections, merged into text segment: */
. = + SIZEOF_HEADERS;
.interp : { *(.interp) }
.hash : { *(.hash) }
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
.rel.text : { *(.rel.text) }
.rela.text : { *(.rela.text) }
.rel.data : { *(.rel.data) }
.rela.data : { *(.rela.data) }
.rel.rodata : { *(.rel.rodata) }
.rela.rodata : { *(.rela.rodata) }
.rel.got : { *(.rel.got) }
.rela.got : { *(.rela.got) }
.rel.ctors : { *(.rel.ctors) }
.rela.ctors : { *(.rela.ctors) }
.rel.dtors : { *(.rel.dtors) }
.rela.dtors : { *(.rela.dtors) }
.rel.bss : { *(.rel.bss) }
.rela.bss : { *(.rela.bss) }
.rel.plt : { *(.rel.plt) }
.rela.plt : { *(.rela.plt) }
.init : { *(.init) }
.plt : { *(.plt) }
.text :
{
/* WARNING - the following is hand-optimized to fit within */
/* the first two sectors (=8KB) of our S29GL flash chip */
arch/powerpc/cpu/mpc5xxx/start.o (.text)
arch/powerpc/cpu/mpc5xxx/traps.o (.text)
lib/crc32.o (.text)
arch/powerpc/lib/cache.o (.text)
arch/powerpc/lib/time.o (.text)
arch/powerpc/cpu/mpc5xxx/start.o (.text*)
arch/powerpc/cpu/mpc5xxx/traps.o (.text*)
board/matrix_vision/common/libmatrix_vision.o (.text*)
/* This is only needed to force failure if size of above code will ever */
/* increase and grow into reserved space. */
@ -69,15 +44,10 @@ SECTIONS
. = env_offset; /* ld error as soon as above ALIGN misplaces lc */
common/env_embedded.o (.ppcenv)
*(.text)
*(.got1)
*(.text*)
. = ALIGN(16);
*(.eh_frame)
*(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
}
.fini : { *(.fini) } =0
.ctors : { *(.ctors) }
.dtors : { *(.dtors) }
/* Read-write section, merged into data segment: */
. = (. + 0x0FFF) & 0xFFFFF000;
@ -85,23 +55,19 @@ SECTIONS
PROVIDE (erotext = .);
.reloc :
{
*(.got)
KEEP(*(.got))
_GOT2_TABLE_ = .;
*(.got2)
KEEP(*(.got2))
_FIXUP_TABLE_ = .;
*(.fixup)
KEEP(*(.fixup))
}
__got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2;
__fixup_entries = (. - _FIXUP_TABLE_) >> 2;
.data :
{
*(.data)
*(.data1)
*(.sdata)
*(.sdata2)
*(.dynamic)
CONSTRUCTORS
*(.data*)
*(.sdata*)
}
_edata = .;
PROVIDE (edata = .);
@ -127,10 +93,8 @@ SECTIONS
__bss_start = .;
.bss (NOLOAD) :
{
*(.sbss) *(.scommon)
*(.dynbss)
*(.bss)
*(COMMON)
*(.bss*)
*(.sbss*)
. = ALIGN(4);
}
_end = . ;

View File

@ -396,6 +396,7 @@
/* use CFI flash driver */
#define CONFIG_SYS_FLASH_CFI 1 /* Flash is CFI conformant */
#define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */
#define CONFIG_FLASH_CFI_MTD /* with MTD support */
#define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_BOOTCS_START }
#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max num of flash banks
(= chip selects) */
@ -417,7 +418,6 @@
/* Dynamic MTD partition support */
#define CONFIG_CMD_MTDPARTS
#define CONFIG_MTD_DEVICE /* needed for mtdparts commands */
#define CONFIG_FLASH_CFI_MTD
#define MTDIDS_DEFAULT "nor0=TQM5200-0"
#ifdef CONFIG_STK52XX

View File

@ -121,7 +121,7 @@
#define CONFIG_CMD_USB
#undef CONFIG_CMD_NET
#undef CONFIG_CMD_NFS
/*
* Autobooting