From e05e5de7fae5bec79617e113916dac6631251156 Mon Sep 17 00:00:00 2001 From: Albert ARIBAUD Date: Tue, 8 Jan 2013 10:18:02 +0000 Subject: arm: move C runtime setup code in crt0.S Move all the C runtime setup code from every start.S in arch/arm into arch/arm/lib/crt0.S. This covers the code sequence from setting up the initial stack to calling into board_init_r(). Also, rewrite the C runtime setup and make functions board_init_*() and relocate_code() behave according to normal C semantics (no jumping across the C stack any more, etc). Some SPL targets had to be touched because they use start.S explicitly or for some reason; the relevant maintainers and custodians are cc:ed. Signed-off-by: Albert ARIBAUD --- nand_spl/board/freescale/mx31pdk/Makefile | 6 +++++- nand_spl/board/karo/tx25/Makefile | 6 +++++- 2 files changed, 10 insertions(+), 2 deletions(-) (limited to 'nand_spl/board') diff --git a/nand_spl/board/freescale/mx31pdk/Makefile b/nand_spl/board/freescale/mx31pdk/Makefile index f67ed09d039..fd0dfc19d86 100644 --- a/nand_spl/board/freescale/mx31pdk/Makefile +++ b/nand_spl/board/freescale/mx31pdk/Makefile @@ -12,11 +12,12 @@ LDFLAGS := -T $(nandobj)u-boot.lds -Ttext $(CONFIG_SYS_TEXT_BASE) $(LDFLAGS) \ AFLAGS += -DCONFIG_SPL_BUILD -DCONFIG_NAND_SPL CFLAGS += -DCONFIG_SPL_BUILD -DCONFIG_NAND_SPL -SOBJS = start.o lowlevel_init.o +SOBJS = start.o crt0.o lowlevel_init.o COBJS = nand_boot_fsl_nfc.o SRCS := $(SRCTREE)/nand_spl/nand_boot_fsl_nfc.c SRCS += $(SRCTREE)/arch/arm/cpu/arm1136/start.S +SRCS += $(SRCTREE)/arch/arm/lib/crt0.S SRCS += $(SRCTREE)/board/freescale/mx31pdk/lowlevel_init.S OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) __OBJS := $(SOBJS) $(COBJS) @@ -50,6 +51,9 @@ $(nandobj)u-boot.lds: $(LDSCRIPT) $(LSTSCRIPT) $(obj)%.o: $(SRCTREE)/arch/arm/cpu/arm1136/%.S $(CC) $(AFLAGS) -c -o $@ $< +$(obj)%.o: $(SRCTREE)/arch/arm/lib/%.S + $(CC) $(AFLAGS) -c -o $@ $< + $(obj)%.o: $(SRCTREE)/board/freescale/mx31pdk/%.S $(CC) $(AFLAGS) -c -o $@ $< diff --git a/nand_spl/board/karo/tx25/Makefile b/nand_spl/board/karo/tx25/Makefile index b27189d9b50..82489d2405e 100644 --- a/nand_spl/board/karo/tx25/Makefile +++ b/nand_spl/board/karo/tx25/Makefile @@ -33,11 +33,12 @@ LDFLAGS := -T $(nandobj)u-boot.lds -Ttext $(CONFIG_SYS_TEXT_BASE) $(LDFLAGS) \ AFLAGS += -DCONFIG_SPL_BUILD -DCONFIG_NAND_SPL CFLAGS += -DCONFIG_SPL_BUILD -DCONFIG_NAND_SPL -SOBJS = start.o lowlevel_init.o +SOBJS = start.o crt0.o lowlevel_init.o COBJS = nand_boot_fsl_nfc.o SRCS := $(SRCTREE)/nand_spl/nand_boot_fsl_nfc.c SRCS += $(SRCTREE)/arch/arm/cpu/arm926ejs/start.S +SRCS += $(SRCTREE)/arch/arm/lib/crt0.S SRCS += $(SRCTREE)/board/karo/tx25/lowlevel_init.S OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) __OBJS := $(SOBJS) $(COBJS) @@ -71,6 +72,9 @@ $(nandobj)u-boot.lds: $(LDSCRIPT) $(LSTSCRIPT) $(obj)%.o: $(SRCTREE)/arch/arm/cpu/arm926ejs/%.S $(CC) $(AFLAGS) -c -o $@ $< +$(obj)%.o: $(SRCTREE)/arch/arm/lib/%.S + $(CC) $(AFLAGS) -c -o $@ $< + $(obj)%.o: $(SRCTREE)/board/karo/tx25/%.S $(CC) $(AFLAGS) -c -o $@ $< -- cgit v1.2.3