arch/riscv/config.mk

   1 # SPDX-License-Identifier: GPL-2.0+
   2 #
   3 # (C) Copyright 2000-2002
   4 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   5 #
   6 # Copyright (c) 2017 Microsemi Corporation.
   7 # Padmarao Begari, Microsemi Corporation <padmarao.begari@microsemi.com>
   8 #
   9 # Copyright (C) 2017 Andes Technology Corporation
  10 # Rick Chen, Andes Technology Corporation <rick@andestech.com>
  11 #
  12
  13 ifeq ($(CROSS_COMPILE),)
  14 CROSS_COMPILE := riscv32-unknown-linux-gnu-
  15 endif
  16
  17 32bit-emul              := elf32lriscv
  18 64bit-emul              := elf64lriscv
  19
  20 ifdef CONFIG_32BIT
  21 PLATFORM_CPPFLAGS       += -march=rv32ima -mabi=ilp32
  22 PLATFORM_LDFLAGS        += -m $(32bit-emul)
  23 CFLAGS_EFI              += -march=rv32ima -mabi=ilp32
  24 EFI_LDS                 := elf_riscv32_efi.lds
  25 endif
  26
  27 ifdef CONFIG_64BIT
  28 PLATFORM_CPPFLAGS       += -march=rv64ima -mabi=lp64
  29 PLATFORM_LDFLAGS        += -m $(64bit-emul)
  30 CFLAGS_EFI              += -march=rv64ima -mabi=lp64
  31 EFI_LDS                 := elf_riscv64_efi.lds
  32 endif
  33
  34 CONFIG_STANDALONE_LOAD_ADDR = 0x00000000 \
  35                               -T $(srctree)/examples/standalone/riscv.lds
  36
  37 PLATFORM_CPPFLAGS       += -ffixed-gp -fpic
  38 PLATFORM_RELFLAGS       += -fno-common -gdwarf-2 -ffunction-sections
  39 LDFLAGS_u-boot          += --gc-sections -static -pie
  40
  41 EFI_CRT0                := crt0_riscv_efi.o
  42 EFI_RELOC               := reloc_riscv_efi.o