X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=scripts%2FMakefile.lib;h=f9809ce7cef51e6676cba46cd6affbda7a3d5884;hb=e8f80a5a58c9b506453cc0780687e8ed457d30a6;hp=2a7ed70cf26b3cd8d72d772d1bb1ae6a6c9f5773;hpb=2dc5b553b9bcd701bd7abd60f99f407cb0c37762;p=u-boot

diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 2a7ed70cf2..f9809ce7ce 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -1,6 +1,4 @@
-#
-# SPDX-License-Identifier:	GPL-2.0
-#
+# SPDX-License-Identifier: GPL-2.0
 # Backward compatibility
 asflags-y  += $(EXTRA_AFLAGS)
 ccflags-y  += $(EXTRA_CFLAGS)
@@ -165,17 +163,27 @@ cpp_flags      = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE)     \
 ld_flags       = $(LDFLAGS) $(ldflags-y)
 
 # Try these files in order to find the U-Boot-specific .dtsi include file
-u_boot_dtsi_options = $(wildcard $(dir $<)$(basename $(notdir $<))-u-boot.dtsi) \
+u_boot_dtsi_options = $(strip $(wildcard $(dir $<)$(basename $(notdir $<))-u-boot.dtsi) \
 	$(wildcard $(dir $<)$(subst $\",,$(CONFIG_SYS_SOC))-u-boot.dtsi) \
 	$(wildcard $(dir $<)$(subst $\",,$(CONFIG_SYS_CPU))-u-boot.dtsi) \
 	$(wildcard $(dir $<)$(subst $\",,$(CONFIG_SYS_VENDOR))-u-boot.dtsi) \
-	$(wildcard $(dir $<)u-boot.dtsi)
+	$(wildcard $(dir $<)u-boot.dtsi))
+
+u_boot_dtsi_options_raw = $(warning Automatic .dtsi inclusion: options: \
+	$(dir $<)$(basename $(notdir $<))-u-boot.dtsi \
+	$(dir $<)$(subst $\",,$(CONFIG_SYS_SOC))-u-boot.dtsi \
+	$(dir $<)$(subst $\",,$(CONFIG_SYS_CPU))-u-boot.dtsi \
+	$(dir $<)$(subst $\",,$(CONFIG_SYS_VENDOR))-u-boot.dtsi \
+	$(dir $<)u-boot.dtsi ... \
+	found: $(if $(u_boot_dtsi_options),"$(u_boot_dtsi_options)",nothing!))
 
 # Uncomment for debugging
-# $(warning u_boot_dtsi_options: $(u_boot_dtsi_options))
+# This shows all the files that were considered and the one that we chose.
+# u_boot_dtsi_options_debug = $(u_boot_dtsi_options_raw)
 
 # We use the first match
-u_boot_dtsi = $(firstword $(u_boot_dtsi_options))
+u_boot_dtsi = $(strip $(u_boot_dtsi_options_debug) \
+	$(notdir $(firstword $(u_boot_dtsi_options))))
 
 # Modified for U-Boot
 dtc_cpp_flags  = -Wp,-MD,$(depfile).pre.tmp -nostdinc                    \
@@ -308,9 +316,8 @@ quiet_cmd_dtc = DTC     $@
 # Modified for U-Boot
 # Bring in any U-Boot-specific include at the end of the file
 cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \
-	cat $< $(if $(u_boot_dtsi),\
-		| sed "$$ a\#include \"$(u_boot_dtsi)\"") | \
-		$(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) - ; \
+	(cat $<; $(if $(u_boot_dtsi),echo '\#include "$(u_boot_dtsi)"')) > $(pre-tmp); \
+	$(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $(pre-tmp) ; \
 	$(DTC) -O dtb -o $@ -b 0 \
 		-i $(dir $<) $(DTC_FLAGS) \
 		-d $(depfile).dtc.tmp $(dtc-tmp) ; \
@@ -319,6 +326,7 @@ cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \
 $(obj)/%.dtb: $(src)/%.dts FORCE
 	$(call if_changed_dep,dtc)
 
+pre-tmp = $(subst $(comma),_,$(dot-target).pre.tmp)
 dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp)
 
 # DTCO
@@ -359,20 +367,22 @@ cmd_S_ttf=						\
 $(obj)/%.S: $(src)/%.ttf
 	$(call cmd,S_ttf)
 
-# EFI Hello World application
+# EFI applications
+# A Makefile target *.efi is built as EFI application.
+# A Makefile target *_efi.S wraps *.efi as built-in EFI application.
 # ---------------------------------------------------------------------------
 
 # Generate an assembly file to wrap the EFI app
-cmd_S_efi=						\
-(							\
-	echo '.section .rodata.efi.init,"a"';		\
-	echo '.balign 16';				\
-	echo '.global __efi_hello_world_begin';		\
-	echo '__efi_hello_world_begin:';		\
-	echo '.incbin "$<" ';				\
-	echo '__efi_hello_world_end:';			\
-	echo '.global __efi_hello_world_end';		\
-	echo '.balign 16';				\
+cmd_S_efi=					\
+(						\
+	echo '.section .rodata.$*.init,"a"';	\
+	echo '.balign 16';			\
+	echo '.global __efi_$*_begin';		\
+	echo '__efi_$*_begin:';			\
+	echo '.incbin "$<" ';			\
+	echo '__efi_$*_end:';			\
+	echo '.global __efi_$*_end';		\
+	echo '.balign 16';			\
 ) > $@
 
 $(obj)/%_efi.S: $(obj)/%.efi
@@ -383,7 +393,7 @@ cmd_efi_objcopy = $(OBJCOPY) -j .header -j .text -j .sdata -j .data -j \
 		.dynamic -j .dynsym  -j .rel* -j .rela* -j .reloc \
 		$(if $(EFI_TARGET),$(EFI_TARGET),-O binary) $^ $@
 
-$(obj)/%.efi: $(obj)/%.so
+$(obj)/%.efi: $(obj)/%_efi.so
 	$(call cmd,efi_objcopy)
 
 quiet_cmd_efi_ld = LD      $@
@@ -392,9 +402,7 @@ cmd_efi_ld = $(LD) -nostdlib -znocombreloc -T $(EFI_LDS_PATH) -shared \
 
 EFI_LDS_PATH = $(srctree)/arch/$(ARCH)/lib/$(EFI_LDS)
 
-$(obj)/helloworld.so: $(EFI_LDS_PATH)
-
-$(obj)/helloworld.so: $(obj)/helloworld.o arch/$(ARCH)/lib/$(EFI_CRT0) \
+$(obj)/%_efi.so: $(obj)/%.o arch/$(ARCH)/lib/$(EFI_CRT0) \
 		arch/$(ARCH)/lib/$(EFI_RELOC)
 	$(call cmd,efi_ld)
 
@@ -511,4 +519,22 @@ cmd_xzmisc = (cat $(filter-out FORCE,$^) | \
 MKIMAGEOUTPUT ?= /dev/null
 quiet_cmd_mkimage = MKIMAGE $@
 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
-	$(if $(KBUILD_VERBOSE:1=), >$(MKIMAGEOUTPUT))
+	>$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT))
+
+# fdtgrep
+# ---------------------------------------------------------------------------
+# Pass the original device tree file through fdtgrep twice. The first pass
+# removes any unwanted nodes (i.e. those which don't have the
+# 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second
+# pass removes various unused properties from the remaining nodes.
+# The output is typically a much smaller device tree file.
+ifeq ($(CONFIG_TPL_BUILD),y)
+fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-tpl
+else
+fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-spl
+endif
+quiet_cmd_fdtgrep = FDTGREP $@
+      cmd_fdtgrep = $(objtree)/tools/fdtgrep $(fdtgrep_props) -RT $< \
+		-n /chosen -n /config -O dtb | \
+	$(objtree)/tools/fdtgrep -r -O dtb - -o $@ \
+		$(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS)))