5xxx: Cleanup for partial linking and --gc-sections
Signed-off-by: Wolfgang Denk <wd@denx.de>
Acked-by: Stefan Roese <sr@denx.de>
diff --git a/arch/powerpc/cpu/mpc5xxx/Makefile b/arch/powerpc/cpu/mpc5xxx/Makefile
index ecaeb22..1a088b7 100644
--- a/arch/powerpc/cpu/mpc5xxx/Makefile
+++ b/arch/powerpc/cpu/mpc5xxx/Makefile
@@ -25,14 +25,25 @@
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)
diff --git a/arch/powerpc/cpu/mpc5xxx/u-boot-customlayout.lds b/arch/powerpc/cpu/mpc5xxx/u-boot-customlayout.lds
index ecffc1b..bbf0f16 100644
--- a/arch/powerpc/cpu/mpc5xxx/u-boot-customlayout.lds
+++ b/arch/powerpc/cpu/mpc5xxx/u-boot-customlayout.lds
@@ -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 @@
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 @@
__bss_start = .;
.bss (NOLOAD) :
{
- *(.sbss) *(.scommon)
- *(.dynbss)
- *(.bss)
+ *(.bss*)
+ *(.sbss*)
*(COMMON)
. = ALIGN(4);
}
diff --git a/arch/powerpc/cpu/mpc5xxx/u-boot.lds b/arch/powerpc/cpu/mpc5xxx/u-boot.lds
index ea4060d..eeeff6c 100644
--- a/arch/powerpc/cpu/mpc5xxx/u-boot.lds
+++ b/arch/powerpc/cpu/mpc5xxx/u-boot.lds
@@ -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 @@
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 @@
__bss_start = .;
.bss (NOLOAD) :
{
- *(.sbss) *(.scommon)
- *(.dynbss)
- *(.bss)
*(COMMON)
+ *(.bss*)
+ *(.sbss*)
. = ALIGN(4);
}
_end = . ;