diff options
| -rw-r--r-- | Makefile | 6 | ||||
| -rw-r--r-- | README | 4 | ||||
| -rw-r--r-- | arch/x86/cpu/Makefile | 5 | ||||
| -rw-r--r-- | arch/x86/cpu/u-boot.lds | 3 |
4 files changed, 13 insertions, 5 deletions
@@ -231,8 +231,8 @@ endif OBJS = $(CPUDIR)/start.o ifeq ($(CPU),x86) -OBJS += $(CPUDIR)/start16.o -OBJS += $(CPUDIR)/resetvec.o +RESET_OBJS-$(CONFIG_X86_NO_RESET_VECTOR) += $(CPUDIR)/start16.o +RESET_OBJS-$(CONFIG_X86_NO_RESET_VECTOR) += $(CPUDIR)/resetvec.o endif ifeq ($(CPU),ppc4xx) OBJS += $(CPUDIR)/resetvec.o @@ -241,7 +241,7 @@ ifeq ($(CPU),mpc85xx) OBJS += $(CPUDIR)/resetvec.o endif -OBJS := $(addprefix $(obj),$(OBJS)) +OBJS := $(addprefix $(obj),$(OBJS) $(RESET_OBJS-)) HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n) @@ -3664,6 +3664,10 @@ Low Level (hardware related) configuration options: be used if available. These functions may be faster under some conditions but may increase the binary size. +- CONFIG_X86_NO_RESET_VECTOR + If defined, the x86 reset vector code is excluded. You will need + to do this when U-Boot is running from Coreboot. + Freescale QE/FMAN Firmware Support: ----------------------------------- diff --git a/arch/x86/cpu/Makefile b/arch/x86/cpu/Makefile index 7f1fc188cb..be27dd9e2b 100644 --- a/arch/x86/cpu/Makefile +++ b/arch/x86/cpu/Makefile @@ -28,12 +28,13 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(CPU).o -START = start.o start16.o resetvec.o +START-y = start.o +RESET_OBJS-$(CONFIG_X86_NO_RESET_VECTOR) += resetvec.o start16.o COBJS = interrupts.o cpu.o SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) -START := $(addprefix $(obj),$(START)) +START := $(addprefix $(obj),$(START-y) $(RESET_OBJS-)) all: $(obj).depend $(START) $(LIB) diff --git a/arch/x86/cpu/u-boot.lds b/arch/x86/cpu/u-boot.lds index a1ecefafc6..0c6f0e31d8 100644 --- a/arch/x86/cpu/u-boot.lds +++ b/arch/x86/cpu/u-boot.lds @@ -86,6 +86,8 @@ SECTIONS __bios_start = LOADADDR(.bios); __bios_size = SIZEOF(.bios); +#ifndef CONFIG_X86_NO_RESET_VECTOR + /* * The following expressions place the 16-bit Real-Mode code and * Reset Vector at the end of the Flash ROM @@ -95,4 +97,5 @@ SECTIONS . = RESET_VEC_LOC; .resetvec : AT (CONFIG_SYS_TEXT_BASE + (CONFIG_SYS_MONITOR_LEN - RESET_SEG_SIZE + RESET_VEC_LOC)) { KEEP(*(.resetvec)); } +#endif } |