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118 lines
2.6 KiB
118 lines
2.6 KiB
# SPDX-License-Identifier: GPL-2.0+ |
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# |
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# (C) Copyright 2000-2002 |
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# Wolfgang Denk, DENX Software Engineering, [email protected]. |
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CONFIG_STANDALONE_LOAD_ADDR ?= 0x40000 |
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PLATFORM_CPPFLAGS += -fomit-frame-pointer |
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PF_CPPFLAGS_X86 := $(call cc-option, -fno-toplevel-reorder, \ |
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$(call cc-option, -fno-unit-at-a-time)) |
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PLATFORM_CPPFLAGS += $(PF_CPPFLAGS_X86) |
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PLATFORM_CPPFLAGS += -fno-dwarf2-cfi-asm |
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ifdef CONFIG_SPL_BUILD |
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IS_32BIT := y |
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else |
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ifndef CONFIG_X86_64 |
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IS_32BIT := y |
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endif |
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endif |
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ifeq ($(IS_32BIT),y) |
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PLATFORM_CPPFLAGS += -march=i386 -m32 |
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else |
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PLATFORM_CPPFLAGS += $(if $(CONFIG_SPL_BUILD),,-fpic) -fno-common -m64 |
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endif |
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PLATFORM_RELFLAGS += -fdata-sections -ffunction-sections -fvisibility=hidden |
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PLATFORM_LDFLAGS += -Bsymbolic -Bsymbolic-functions |
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PLATFORM_LDFLAGS += -m $(if $(IS_32BIT),elf_i386,elf_x86_64) |
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# This is used in the top-level Makefile which does not include |
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# PLATFORM_LDFLAGS |
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LDFLAGS_EFI_PAYLOAD := -Bsymbolic -Bsymbolic-functions -shared --no-undefined |
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OBJCOPYFLAGS_EFI := -j .text -j .sdata -j .data -j .dynamic -j .dynsym \ |
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-j .rel -j .rela -j .reloc |
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ifeq ($(IS_32BIT),y) |
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CFLAGS_NON_EFI := -mregparm=3 |
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endif |
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CFLAGS_EFI := -fpic -fshort-wchar |
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ifeq ($(CONFIG_EFI_STUB_64BIT),) |
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CFLAGS_EFI += $(call cc-option, -mno-red-zone) |
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EFIARCH = ia32 |
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EFIPAYLOAD_BFDTARGET = elf32-i386 |
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else |
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EFIARCH = x86_64 |
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EFIPAYLOAD_BFDTARGET = elf64-x86-64 |
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endif |
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EFIPAYLOAD_BFDARCH = i386 |
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LDSCRIPT_EFI := $(srctree)/arch/x86/lib/elf_$(EFIARCH)_efi.lds |
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EFISTUB := crt0_$(EFIARCH)_efi.o reloc_$(EFIARCH)_efi.o |
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OBJCOPYFLAGS_EFI += --target=efi-app-$(EFIARCH) |
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CPPFLAGS_REMOVE_crt0-efi-$(EFIARCH).o += $(CFLAGS_NON_EFI) |
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CPPFLAGS_crt0-efi-$(EFIARCH).o += $(CFLAGS_EFI) |
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ifeq ($(CONFIG_EFI_APP),y) |
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PLATFORM_CPPFLAGS += $(CFLAGS_EFI) |
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LDFLAGS_FINAL += -znocombreloc -shared |
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LDSCRIPT := $(LDSCRIPT_EFI) |
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else |
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PLATFORM_CPPFLAGS += $(CFLAGS_NON_EFI) |
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PLATFORM_LDFLAGS += --emit-relocs |
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LDFLAGS_FINAL += --gc-sections $(if $(CONFIG_SPL_BUILD),,-pie) |
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endif |
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ifdef CONFIG_X86_64 |
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ifndef CONFIG_SPL_BUILD |
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PLATFORM_CPPFLAGS += -D__x86_64__ |
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else |
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PLATFORM_CPPFLAGS += -D__I386__ |
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endif |
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else |
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PLATFORM_CPPFLAGS += -D__I386__ |
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endif |
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ifdef CONFIG_EFI_STUB |
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ifdef CONFIG_EFI_STUB_64BIT |
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EFI_LDS := elf_x86_64_efi.lds |
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EFI_CRT0 := crt0_x86_64_efi.o |
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EFI_RELOC := reloc_x86_64_efi.o |
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else |
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EFI_LDS := elf_ia32_efi.lds |
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EFI_CRT0 := crt0_ia32_efi.o |
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EFI_RELOC := reloc_ia32_efi.o |
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endif |
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else |
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ifdef CONFIG_X86_64 |
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EFI_LDS := elf_x86_64_efi.lds |
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EFI_CRT0 := crt0_x86_64_efi.o |
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EFI_RELOC := reloc_x86_64_efi.o |
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else |
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EFI_LDS := elf_ia32_efi.lds |
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EFI_CRT0 := crt0_ia32_efi.o |
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EFI_RELOC := reloc_ia32_efi.o |
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endif |
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endif |
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ifdef CONFIG_X86_64 |
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EFI_TARGET := --target=efi-app-x86_64 |
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else |
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EFI_TARGET := --target=efi-app-ia32 |
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endif
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