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-rw-r--r--arch/mips/Makefile22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index e78d60dbdffd..efd7a9dc93c4 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -12,6 +12,9 @@
# for "archclean" cleaning up for this architecture.
#
+archscripts: scripts_basic
+ $(Q)$(MAKE) $(build)=arch/mips/boot/tools relocs
+
KBUILD_DEFCONFIG := ip22_defconfig
#
@@ -93,6 +96,10 @@ LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
KBUILD_AFLAGS_MODULE += -mlong-calls
KBUILD_CFLAGS_MODULE += -mlong-calls
+ifeq ($(CONFIG_RELOCATABLE),y)
+LDFLAGS_vmlinux += --emit-relocs
+endif
+
#
# pass -msoft-float to GAS if it supports it. However on newer binutils
# (specifically newer than 2.24.51.20140728) we then also need to explicitly
@@ -193,6 +200,8 @@ ifeq ($(CONFIG_CPU_HAS_MSA),y)
toolchain-msa := $(call cc-option-yn,$(mips-cflags) -mhard-float -mfp64 -Wa$(comma)-mmsa)
cflags-$(toolchain-msa) += -DTOOLCHAIN_SUPPORTS_MSA
endif
+toolchain-virt := $(call cc-option-yn,$(mips-cflags) -mvirt)
+cflags-$(toolchain-virt) += -DTOOLCHAIN_SUPPORTS_VIRT
cflags-$(CONFIG_MIPS_COMPACT_BRANCHES_NEVER) += -mcompact-branches=never
cflags-$(CONFIG_MIPS_COMPACT_BRANCHES_OPTIMAL) += -mcompact-branches=optimal
@@ -310,6 +319,10 @@ rom.bin rom.sw: vmlinux
$(bootvars-y) $@
endif
+CMD_RELOCS = arch/mips/boot/tools/relocs
+quiet_cmd_relocs = RELOCS $<
+ cmd_relocs = $(CMD_RELOCS) $<
+
#
# Some machines like the Indy need 32-bit ELF binaries for booting purposes.
# Other need ECOFF, so we build a 32-bit ELF binary for them which we then
@@ -318,6 +331,11 @@ endif
quiet_cmd_32 = OBJCOPY $@
cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
vmlinux.32: vmlinux
+ifeq ($(CONFIG_RELOCATABLE)$(CONFIG_64BIT),yy)
+# Currently, objcopy fails to handle the relocations in the elf64
+# So the relocs tool must be run here to remove them first
+ $(call cmd,relocs)
+endif
$(call cmd,32)
#
@@ -333,6 +351,9 @@ all: $(all-y)
# boot
$(boot-y): $(vmlinux-32) FORCE
+ifeq ($(CONFIG_RELOCATABLE)$(CONFIG_32BIT),yy)
+ $(call cmd,relocs)
+endif
$(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) \
$(bootvars-y) arch/mips/boot/$@
@@ -385,6 +406,7 @@ endif
archclean:
$(Q)$(MAKE) $(clean)=arch/mips/boot
$(Q)$(MAKE) $(clean)=arch/mips/boot/compressed
+ $(Q)$(MAKE) $(clean)=arch/mips/boot/tools
$(Q)$(MAKE) $(clean)=arch/mips/lasat
define archhelp