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Kbuild: add LDFLAGS_STANDALONE

Introduce a new Makefile variable for passing LDFLAGS to standalone
programs. Currently the variable CONFIG_STANDALONE_LOAD_ADDR is
misued on some archs to pass a specific linker script.

Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Rick Chen <rick@andestech.com>
Daniel Schwierzeck 5 years ago
parent
commit
1d3b97c94e

+ 2 - 2
arch/mips/cpu/mips32/config.mk

@@ -3,5 +3,5 @@
 # (C) Copyright 2003
 # Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
 
-CONFIG_STANDALONE_LOAD_ADDR ?= 0x80200000 \
-			       -T $(srctree)/examples/standalone/mips.lds
+CONFIG_STANDALONE_LOAD_ADDR ?= 0x80200000
+LDFLAGS_STANDALONE	+= -T $(srctree)/examples/standalone/mips.lds

+ 2 - 2
arch/mips/cpu/mips64/config.mk

@@ -3,5 +3,5 @@
 # (C) Copyright 2003
 # Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
 
-CONFIG_STANDALONE_LOAD_ADDR ?= 0xffffffff80200000 \
-			       -T $(srctree)/examples/standalone/mips64.lds
+CONFIG_STANDALONE_LOAD_ADDR ?= 0xffffffff80200000
+LDFLAGS_STANDALONE	+= -T $(srctree)/examples/standalone/mips64.lds

+ 2 - 2
arch/nds32/config.mk

@@ -12,8 +12,8 @@ ifeq ($(CROSS_COMPILE),)
 CROSS_COMPILE := nds32le-linux-
 endif
 
-CONFIG_STANDALONE_LOAD_ADDR = 0x300000 \
-			      -T $(srctree)/examples/standalone/nds32.lds
+CONFIG_STANDALONE_LOAD_ADDR = 0x300000
+LDFLAGS_STANDALONE	+= -T $(srctree)/examples/standalone/nds32.lds
 
 PLATFORM_RELFLAGS	+= -fno-common -mrelax
 PLATFORM_RELFLAGS	+= -gdwarf-2

+ 2 - 2
arch/riscv/config.mk

@@ -27,8 +27,8 @@ CFLAGS_EFI		+= -march=rv64ima -mabi=lp64
 EFI_LDS			:= elf_riscv64_efi.lds
 endif
 
-CONFIG_STANDALONE_LOAD_ADDR = 0x00000000 \
-			      -T $(srctree)/examples/standalone/riscv.lds
+CONFIG_STANDALONE_LOAD_ADDR = 0x00000000
+LDFLAGS_STANDALONE += -T $(srctree)/examples/standalone/riscv.lds
 
 PLATFORM_CPPFLAGS	+= -ffixed-gp -fpic
 PLATFORM_RELFLAGS	+= -fno-common -gdwarf-2 -ffunction-sections

+ 1 - 1
arch/sh/config.mk

@@ -9,7 +9,7 @@ endif
 
 CONFIG_STANDALONE_LOAD_ADDR ?= 0x8C000000
 ifeq ($(CPU),sh2)
-CONFIG_STANDALONE_LOAD_ADDR += -EB
+LDFLAGS_STANDALONE += -EB
 endif
 
 PLATFORM_CPPFLAGS += -DCONFIG_SH -D__SH__

+ 2 - 0
config.mk

@@ -15,6 +15,7 @@ PLATFORM_CPPFLAGS :=
 PLATFORM_LDFLAGS :=
 LDFLAGS :=
 LDFLAGS_FINAL :=
+LDFLAGS_STANDALONE :=
 OBJCOPYFLAGS :=
 # clear VENDOR for tcsh
 VENDOR :=
@@ -75,4 +76,5 @@ LDFLAGS_FINAL += -Bstatic
 export PLATFORM_CPPFLAGS
 export RELFLAGS
 export LDFLAGS_FINAL
+export LDFLAGS_STANDALONE
 export CONFIG_STANDALONE_LOAD_ADDR

+ 3 - 1
examples/standalone/Makefile

@@ -45,6 +45,8 @@ endif
 # source file.
 ccflags-y += $(call cc-option,-fno-toplevel-reorder)
 
+LDFLAGS_STANDALONE	+= -Ttext $(CONFIG_STANDALONE_LOAD_ADDR)
+
 #########################################################################
 
 quiet_cmd_link_lib = LD      $@
@@ -54,7 +56,7 @@ $(LIB):	$(LIBOBJS) FORCE
 	$(call if_changed,link_lib)
 
 quiet_cmd_link_elf = LD      $@
-      cmd_link_elf = $(LD) $(LDFLAGS) -g -Ttext $(CONFIG_STANDALONE_LOAD_ADDR) \
+      cmd_link_elf = $(LD) $(LDFLAGS) $(LDFLAGS_STANDALONE) -g  \
 		     -o $@ -e $(SYM_PREFIX)$(@F) $< $(LIB) $(PLATFORM_LIBGCC)
 
 $(ELF): $(obj)/%: $(obj)/%.o $(LIB) FORCE