forked from Mirrors/opensbi
09ad811ec4
Bare-metal GNU ld does not support PIE, so if using it this will result in a failure to build. Instead, default to FW_PIC=n if not supported. Note that an explicit FW_PIC=y is not overridden, to ensure the build fails rather than silently producing a position-dependent binary. Signed-off-by: Jessica Clarke <jrtc27@jrtc27.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Anup Patel <anup.patel@wdc.com>
69 lines
1.7 KiB
Makefile
69 lines
1.7 KiB
Makefile
#
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# SPDX-License-Identifier: BSD-2-Clause
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#
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# Copyright (c) 2019 Western Digital Corporation or its affiliates.
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#
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# Authors:
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# Anup Patel <anup.patel@wdc.com>
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#
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firmware-genflags-y =
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firmware-cppflags-y +=
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firmware-cflags-y +=
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firmware-asflags-y +=
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firmware-ldflags-y +=
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ifndef FW_PIC
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FW_PIC := $(OPENSBI_LD_PIE)
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endif
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ifeq ($(FW_PIC),y)
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firmware-genflags-y += -DFW_PIC
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firmware-asflags-y += -fpic
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firmware-cflags-y += -fPIE -pie
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firmware-ldflags-y += -Wl,--no-dynamic-linker -Wl,-pie
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endif
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ifdef FW_TEXT_START
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firmware-genflags-y += -DFW_TEXT_START=$(FW_TEXT_START)
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endif
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ifdef FW_FDT_PATH
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firmware-genflags-y += -DFW_FDT_PATH=\"$(FW_FDT_PATH)\"
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ifdef FW_FDT_PADDING
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firmware-genflags-y += -DFW_FDT_PADDING=$(FW_FDT_PADDING)
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endif
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endif
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firmware-bins-$(FW_DYNAMIC) += fw_dynamic.bin
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firmware-bins-$(FW_JUMP) += fw_jump.bin
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ifdef FW_JUMP_ADDR
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firmware-genflags-$(FW_JUMP) += -DFW_JUMP_ADDR=$(FW_JUMP_ADDR)
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endif
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ifdef FW_JUMP_FDT_ADDR
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firmware-genflags-$(FW_JUMP) += -DFW_JUMP_FDT_ADDR=$(FW_JUMP_FDT_ADDR)
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endif
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firmware-bins-$(FW_PAYLOAD) += fw_payload.bin
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ifdef FW_PAYLOAD_PATH
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FW_PAYLOAD_PATH_FINAL=$(FW_PAYLOAD_PATH)
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else
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FW_PAYLOAD_PATH_FINAL=$(platform_build_dir)/firmware/payloads/test.bin
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endif
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firmware-genflags-$(FW_PAYLOAD) += -DFW_PAYLOAD_PATH=\"$(FW_PAYLOAD_PATH_FINAL)\"
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ifdef FW_PAYLOAD_OFFSET
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firmware-genflags-$(FW_PAYLOAD) += -DFW_PAYLOAD_OFFSET=$(FW_PAYLOAD_OFFSET)
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endif
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ifdef FW_PAYLOAD_ALIGN
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firmware-genflags-$(FW_PAYLOAD) += -DFW_PAYLOAD_ALIGN=$(FW_PAYLOAD_ALIGN)
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endif
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ifdef FW_PAYLOAD_FDT_ADDR
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firmware-genflags-$(FW_PAYLOAD) += -DFW_PAYLOAD_FDT_ADDR=$(FW_PAYLOAD_FDT_ADDR)
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endif
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ifdef FW_OPTIONS
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firmware-genflags-y += -DFW_OPTIONS=$(FW_OPTIONS)
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endif
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