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Simon Glass <sjg@chromium.org> says: When the SPL build-phase was first created it was designed to solve a particular problem (the need to init SDRAM so that U-Boot proper could be loaded). It has since expanded to become an important part of U-Boot, with three phases now present: TPL, VPL and SPL Due to this history, the term 'SPL' is used to mean both a particular phase (the one before U-Boot proper) and all the non-proper phases. This has become confusing. For a similar reason CONFIG_SPL_BUILD is set to 'y' for all 'SPL' phases, not just SPL. So code which can only be compiled for actual SPL, for example, must use something like this: #if defined(CONFIG_SPL_BUILD) && !defined(CONFIG_TPL_BUILD) In Makefiles we have similar issues. SPL_ has been used as a variable which expands to either SPL_ or nothing, to chose between options like CONFIG_BLK and CONFIG_SPL_BLK. When TPL appeared, a new SPL_TPL variable was created which expanded to 'SPL_', 'TPL_' or nothing. Later it was updated to support 'VPL_' as well. This series starts a change in terminology and usage to resolve the above issues: - The word 'xPL' is used instead of 'SPL' to mean a non-proper build - A new CONFIG_XPL_BUILD define indicates that the current build is an 'xPL' build - The existing CONFIG_SPL_BUILD is changed to mean SPL; it is not now defined for TPL and VPL phases - The existing SPL_ Makefile variable is renamed to SPL_ - The existing SPL_TPL Makefile variable is renamed to PHASE_ It should be noted that xpl_phase() can generally be used instead of the above CONFIGs without a code-space or run-time penalty. This series does not attempt to convert all of U-Boot to use this new terminology but it makes a start. In particular, renaming spl.h and common/spl seems like a bridge too far at this point. The series is fully bisectable. It has also been checked to ensure there are no code-size changes on any commit.
47 lines
1.4 KiB
Makefile
47 lines
1.4 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0+
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#
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# (C) Copyright 2000-2006
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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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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obj-$(CONFIG_CMD_BOOTM) += bootm.o
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obj-$(CONFIG_CMD_BOOTI) += bootm.o image.o
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obj-$(CONFIG_CMD_GO) += boot.o
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obj-y += cache.o
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obj-$(CONFIG_SIFIVE_CACHE) += sifive_cache.o
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ifeq ($(CONFIG_$(XPL_)RISCV_MMODE),y)
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obj-$(CONFIG_$(XPL_)RISCV_ACLINT) += aclint_ipi.o
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obj-$(CONFIG_ANDES_PLICSW) += andes_plicsw.o
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else
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obj-$(CONFIG_SBI) += sbi.o
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obj-$(CONFIG_SBI_IPI) += sbi_ipi.o
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endif
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obj-y += interrupts.o
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ifeq ($(CONFIG_$(XPL_)SYSRESET),)
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obj-y += reset.o
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endif
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obj-y += setjmp.o
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obj-$(CONFIG_$(XPL_)SMP) += smp.o
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obj-$(CONFIG_XPL_BUILD) += spl.o
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obj-y += fdt_fixup.o
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obj-$(CONFIG_$(SPL)CMD_BDI) += bdinfo.o
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# For building EFI apps
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CFLAGS_NON_EFI := -fstack-protector-strong
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CFLAGS_$(EFI_CRT0) := $(CFLAGS_EFI)
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CFLAGS_REMOVE_$(EFI_CRT0) := $(CFLAGS_NON_EFI)
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CFLAGS_$(EFI_RELOC) := $(CFLAGS_EFI)
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CFLAGS_REMOVE_$(EFI_RELOC) := $(CFLAGS_NON_EFI)
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obj-$(CONFIG_$(PHASE_)USE_ARCH_MEMSET) += memset.o
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obj-$(CONFIG_$(PHASE_)USE_ARCH_MEMMOVE) += memmove.o
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obj-$(CONFIG_$(PHASE_)USE_ARCH_MEMCPY) += memcpy.o
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obj-$(CONFIG_$(PHASE_)USE_ARCH_STRLEN) += strlen_zbb.o
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obj-$(CONFIG_$(PHASE_)USE_ARCH_STRCMP) += strcmp_zbb.o
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obj-$(CONFIG_$(PHASE_)USE_ARCH_STRNCMP) += strncmp_zbb.o
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obj-$(CONFIG_$(PHASE_)SEMIHOSTING) += semihosting.o
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