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powerpc/boot: Separate target flags from BOOTCFLAGS

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Add BOOTTARGETFLAGS variable with target / ABI options common to
CFLAGS and AFLAGS.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230606064657.183969-2-npiggin@gmail.com
This commit is contained in:
Nicholas Piggin 2023-06-06 16:46:54 +10:00 committed by Michael Ellerman
parent 48f2444eb4
commit 689d592e40
1 changed files with 22 additions and 19 deletions
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41
arch/powerpc/boot/Makefile
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@ -39,33 +39,44 @@ BOOTCFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
$(LINUXINCLUDE)
ifdef CONFIG_PPC64_BOOT_WRAPPER
BOOTCFLAGS += -m64
BOOTTARGETFLAGS += -m64
BOOTTARGETFLAGS += -mabi=elfv2
ifdef CONFIG_PPC64_ELF_ABI_V2
BOOTCFLAGS += $(call cc-option,-mabi=elfv2)
BOOTTARGETFLAGS += $(call cc-option,-mabi=elfv2)
endif
else
BOOTCFLAGS += -m32
BOOTTARGETFLAGS := -m32
endif
ifdef CONFIG_TARGET_CPU_BOOL
BOOTCFLAGS += -mcpu=$(CONFIG_TARGET_CPU)
BOOTTARGETFLAGS += -mcpu=$(CONFIG_TARGET_CPU)
else ifdef CONFIG_PPC64_BOOT_WRAPPER
ifdef CONFIG_CPU_LITTLE_ENDIAN
BOOTCFLAGS += -mcpu=powerpc64le
BOOTTARGETFLAGS += -mcpu=powerpc64le
else
BOOTCFLAGS += -mcpu=powerpc64
BOOTTARGETFLAGS += -mcpu=powerpc64
endif
endif
$(obj)/4xx.o: BOOTTARGETFLAGS += -mcpu=405
$(obj)/ebony.o: BOOTTARGETFLAGS += -mcpu=440
$(obj)/cuboot-hotfoot.o: BOOTTARGETFLAGS += -mcpu=405
$(obj)/cuboot-taishan.o: BOOTTARGETFLAGS += -mcpu=440
$(obj)/cuboot-katmai.o: BOOTTARGETFLAGS += -mcpu=440
$(obj)/cuboot-acadia.o: BOOTTARGETFLAGS += -mcpu=405
$(obj)/treeboot-iss4xx.o: BOOTTARGETFLAGS += -mcpu=405
$(obj)/treeboot-currituck.o: BOOTTARGETFLAGS += -mcpu=405
$(obj)/treeboot-akebono.o: BOOTTARGETFLAGS += -mcpu=405
BOOTCFLAGS += -isystem $(shell $(BOOTCC) -print-file-name=include)
ifdef CONFIG_CPU_BIG_ENDIAN
BOOTCFLAGS += -mbig-endian
BOOTTARGETFLAGS += -mbig-endian
else
BOOTCFLAGS += -mlittle-endian
BOOTTARGETFLAGS += -mlittle-endian
endif
BOOTAFLAGS := -D__ASSEMBLY__ $(BOOTCFLAGS) -nostdinc
BOOTAFLAGS := -D__ASSEMBLY__ $(BOOTTARGETFLAGS) $(BOOTCFLAGS) -nostdinc
BOOTARFLAGS := -crD
@ -73,6 +84,8 @@ BOOTCFLAGS += $(call cc-option,-mno-prefixed) \
$(call cc-option,-mno-pcrel) \
$(call cc-option,-mno-mma)
BOOTCFLAGS += $(BOOTTARGETFLAGS)
ifdef CONFIG_CC_IS_CLANG
BOOTCFLAGS += $(CLANG_FLAGS)
BOOTAFLAGS += $(CLANG_FLAGS)
@ -91,16 +104,6 @@ BOOTCFLAGS += -I$(objtree)/$(obj) -I$(srctree)/$(obj)
DTC_FLAGS ?= -p 1024
$(obj)/4xx.o: BOOTCFLAGS += -mcpu=405
$(obj)/ebony.o: BOOTCFLAGS += -mcpu=440
$(obj)/cuboot-hotfoot.o: BOOTCFLAGS += -mcpu=405
$(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=440
$(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=440
$(obj)/cuboot-acadia.o: BOOTCFLAGS += -mcpu=405
$(obj)/treeboot-iss4xx.o: BOOTCFLAGS += -mcpu=405
$(obj)/treeboot-currituck.o: BOOTCFLAGS += -mcpu=405
$(obj)/treeboot-akebono.o: BOOTCFLAGS += -mcpu=405
# The pre-boot decompressors pull in a lot of kernel headers and other source
# files. This creates a bit of a dependency headache since we need to copy
# these files into the build dir, fix up any includes and ensure that dependent