forked from OERV-BSP/u-boot
7bd65e89ad
Add support to build code big-endian if the board supports it. Updates the makefile to pass the correct compiler and elf flags. Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk> Reviewed-by: Tom Rini <trini@konsulko.com>
44 lines
1.1 KiB
Makefile
44 lines
1.1 KiB
Makefile
# 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, wd@denx.de.
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#
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# Copyright (c) 2017 Microsemi Corporation.
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# Padmarao Begari, Microsemi Corporation <padmarao.begari@microsemi.com>
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#
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# Copyright (C) 2017 Andes Technology Corporation
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# Rick Chen, Andes Technology Corporation <rick@andestech.com>
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#
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ifdef CONFIG_SYS_BIG_ENDIAN
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small-endian := b
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large-endian := big
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PLATFORM_CPPFLAGS += -mbig-endian
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KBUILD_LDFLAGS += -mbig-endian
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else
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small-endian := l
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large-endian := little
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endif
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32bit-emul := elf32$(small-endian)riscv
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64bit-emul := elf64$(small-endian)riscv
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ifdef CONFIG_32BIT
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KBUILD_LDFLAGS += -m $(32bit-emul)
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EFI_LDS := elf_riscv32_efi.lds
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PLATFORM_ELFFLAGS += -B riscv -O elf32-$(large-endian)riscv
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endif
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ifdef CONFIG_64BIT
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KBUILD_LDFLAGS += -m $(64bit-emul)
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EFI_LDS := elf_riscv64_efi.lds
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PLATFORM_ELFFLAGS += -B riscv -O elf64-$(large-endian)riscv
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endif
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PLATFORM_CPPFLAGS += -ffixed-x3 -fpic
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PLATFORM_RELFLAGS += -fno-common -ffunction-sections -fdata-sections
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LDFLAGS_u-boot += --gc-sections -static -pie
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EFI_CRT0 := crt0_riscv_efi.o
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EFI_RELOC := reloc_riscv_efi.o
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