-#
-# SPDX-License-Identifier: GPL-2.0
-#
+# SPDX-License-Identifier: GPL-2.0
# Backward compatibility
asflags-y += $(EXTRA_AFLAGS)
ccflags-y += $(EXTRA_CFLAGS)
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 \
$(addprefix $(obj)/, $(foreach s, $3, $($(m:%$(strip $2)=%$(s)))))))
endef
-ifdef REGENERATE_PARSERS
-
-# GPERF
-# ---------------------------------------------------------------------------
-quiet_cmd_gperf = GPERF $@
- cmd_gperf = gperf -t --output-file $@ -a -C -E -g -k 1,3,$$ -p -t $<
-
-.PRECIOUS: $(src)/%.hash.c_shipped
-$(src)/%.hash.c_shipped: $(src)/%.gperf
- $(call cmd,gperf)
-
# LEX
# ---------------------------------------------------------------------------
-LEX_PREFIX = $(if $(LEX_PREFIX_${baseprereq}),$(LEX_PREFIX_${baseprereq}),yy)
-
quiet_cmd_flex = LEX $@
- cmd_flex = flex -o$@ -L -P $(LEX_PREFIX) $<
+ cmd_flex = $(LEX) -o$@ -L $<
-.PRECIOUS: $(src)/%.lex.c_shipped
-$(src)/%.lex.c_shipped: $(src)/%.l
- $(call cmd,flex)
+$(obj)/%.lex.c: $(src)/%.l FORCE
+ $(call if_changed,flex)
# YACC
# ---------------------------------------------------------------------------
-YACC_PREFIX = $(if $(YACC_PREFIX_${baseprereq}),$(YACC_PREFIX_${baseprereq}),yy)
-
quiet_cmd_bison = YACC $@
- cmd_bison = bison -o$@ -t -l -p $(YACC_PREFIX) $<
+ cmd_bison = $(YACC) -o$@ -t -l $<
-.PRECIOUS: $(src)/%.tab.c_shipped
-$(src)/%.tab.c_shipped: $(src)/%.y
- $(call cmd,bison)
+$(obj)/%.tab.c: $(src)/%.y FORCE
+ $(call if_changed,bison)
quiet_cmd_bison_h = YACC $@
- cmd_bison_h = bison -o/dev/null --defines=$@ -t -l -p $(YACC_PREFIX) $<
-
-.PRECIOUS: $(src)/%.tab.h_shipped
-$(src)/%.tab.h_shipped: $(src)/%.y
- $(call cmd,bison_h)
+ cmd_bison_h = $(YACC) -o/dev/null --defines=$@ -t -l $<
-endif
+$(obj)/%.tab.h: $(src)/%.y FORCE
+ $(call if_changed,bison_h)
# Shipped files
# ===========================================================================
# Modified for U-Boot
# Bring in any U-Boot-specific include at the end of the file
cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \
- cat $< $(if $(u_boot_dtsi),\
- | sed "$$ a\#include \"$(u_boot_dtsi)\"") | \
- $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) - ; \
+ (cat $<; $(if $(u_boot_dtsi),echo '$(pound)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) ; \
- cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile)
+ cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile) ; \
+ sed -i "s:$(pre-tmp):$(<):" $(depfile)
$(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
+# ---------------------------------------------------------------------------
+
+quiet_cmd_dtco = DTCO $@
+# Rule for objects only; does not put specific u-boot include at the end
+# No generation of assembly file either
+# Modified for U-Boot
+cmd_dtco = mkdir -p $(dir ${dtc-tmp}) ; \
+ $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
+ $(DTC) -@ -O dtb -o $@ -b 0 \
+ -i $(dir $<) $(DTC_FLAGS) \
+ -d $(depfile).dtc.tmp $(dtc-tmp) ; \
+ cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile)
+
+$(obj)/%.dtbo: $(src)/%.dts FORCE
+ $(call if_changed_dep,dtco)
+
# Fonts
# ---------------------------------------------------------------------------
$(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
.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 $@
cmd_efi_ld = $(LD) -nostdlib -znocombreloc -T $(EFI_LDS_PATH) -shared \
- -Bsymbolic $^ -o $@
+ -Bsymbolic -s $^ -o $@
EFI_LDS_PATH = $(srctree)/arch/$(ARCH)/lib/$(EFI_LDS)
-$(obj)/helloworld.so: $(EFI_LDS_PATH)
+$(obj)/efi_crt0.o: $(srctree)/arch/$(ARCH)/lib/$(EFI_CRT0:.o=.S) FORCE
+ $(call if_changed_dep,as_o_S)
-$(obj)/helloworld.so: $(obj)/helloworld.o arch/$(ARCH)/lib/$(EFI_CRT0) \
- arch/$(ARCH)/lib/$(EFI_RELOC)
+$(obj)/efi_reloc.o: $(srctree)/arch/$(ARCH)/lib/$(EFI_RELOC:.o=.c) $(recordmcount_source) FORCE
+ $(call cmd,force_checksrc)
+ $(call if_changed_rule,cc_o_c)
+
+$(obj)/%_efi.so: $(obj)/%.o $(obj)/efi_crt0.o $(obj)/efi_reloc.o $(obj)/efi_freestanding.o
$(call cmd,efi_ld)
# ACPI
# ---------------------------------------------------------------------------
+#
+# This first sends the file (typically dsdt.asl) through the preprocessor
+# resolve includes and any CONFIG options used. This produces dsdt.asl.tmp
+# which is pure ASL code. The Intel ASL (ACPI (Advanced Configuration and Power
+# Interface) Source Language compiler (iasl) then converts this ASL code into a
+# C file containing the hex data to build into U-Boot. This file is called
+# dsdt.hex (despite us setting the prefix to .../dsdt.asl.tmp) so must be
+# renamed to dsdt.c for consumption by the build system.
+ASL_TMP = $(patsubst %.c,%.asl.tmp,$@)
+
quiet_cmd_acpi_c_asl= ASL $<
cmd_acpi_c_asl= \
- $(CPP) -x assembler-with-cpp -D__ASSEMBLY__ -P $(UBOOTINCLUDE) -o $<.tmp $<; \
- iasl -p $< -tc $<.tmp $(if $(KBUILD_VERBOSE:1=), >/dev/null); \
- mv $(patsubst %.asl,%.hex,$<) $@
+ $(CPP) -x assembler-with-cpp -D__ASSEMBLY__ -P $(UBOOTINCLUDE) \
+ -o $(ASL_TMP) $< && \
+ iasl -p $@ -tc $(ASL_TMP) $(if $(KBUILD_VERBOSE:1=), >/dev/null) && \
+ mv $(patsubst %.c,%.hex,$@) $@
$(obj)/dsdt.c: $(src)/dsdt.asl
$(call cmd,acpi_c_asl)
+ $(Q)sed -i -e "s,dsdt_aml_code,AmlCode," $@
# Bzip2
# ---------------------------------------------------------------------------
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 $@ \
+ -P u-boot,dm-pre-reloc -P u-boot,dm-spl -P u-boot,dm-tpl \
+ $(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS)))