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authorMasahiro Yamada <yamada.m@jp.panasonic.com>2014-03-18 16:38:13 +0900
committerTom Rini <trini@ti.com>2014-03-28 15:06:29 -0400
commit254d68b6011c33af189d006243920c296592fca7 (patch)
tree0440c4d88ef8609b5d971dc367b0b3c5fdcaaf6d /Kbuild
parentb97241b3125a86b7fd77dc2357446d3346fef929 (diff)
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kbuild: move asm-offsets.c from SoC directory to arch/$(ARCH)/lib
U-Boot has supported two kinds of asm-offsets.h. One is generic for all architectures and its source is located at ./lib/asm-offsets.c. The other is SoC specific and its source is under SoC directory. The problem here is that only boards with SoC directory can use the asm-offsets infrastructure. Putting asm-offsets.c right under CPU directory does not work. Now a new demand is coming. PowerPC folks want to use asm-offsets. But no PowerPC boards have SoC directory. It seems inconsistent that some boards add asm-offsets.c to SoC directoreis and some to CPU directories. It looks more reasonable to put asm-offsets.c under arch/$(ARCH)/lib. This commit merges asm-offsets.c under SoC directories into arch/$(ARCH)/lib/asm-offsets.c. By the way, I doubt the necessity of some entries in asm-offsets.c. I am leaving refactoring to the board maintainers. Please check "TODO" in the comment blocks in arch/{arm,nds32}/lib/asm-offsets.c. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Cc: Yuantian Tang <Yuantian.Tang@freescale.com>
Diffstat (limited to 'Kbuild')
-rw-r--r--Kbuild8
1 files changed, 4 insertions, 4 deletions
diff --git a/Kbuild b/Kbuild
index 1d89761..6e1698c 100644
--- a/Kbuild
+++ b/Kbuild
@@ -42,13 +42,13 @@ $(obj)/$(generic-offsets-file): lib/asm-offsets.s Kbuild
# 2) Generate asm-offsets.h
#
-ifneq ($(wildcard $(srctree)/$(CPUDIR)/$(SOC)/asm-offsets.c),)
+ifneq ($(wildcard $(srctree)/arch/$(ARCH)/lib/asm-offsets.c),)
offsets-file := include/generated/asm-offsets.h
endif
always += $(offsets-file)
targets += $(offsets-file)
-targets += $(CPUDIR)/$(SOC)/asm-offsets.s
+targets += arch/$(ARCH)/lib/asm-offsets.s
# Default sed regexp - multiline due to syntax constraints
@@ -79,9 +79,9 @@ define cmd_offsets
endef
# We use internal kbuild rules to avoid the "is up to date" message from make
-$(CPUDIR)/$(SOC)/asm-offsets.s: $(CPUDIR)/$(SOC)/asm-offsets.c FORCE
+arch/$(ARCH)/lib/asm-offsets.s: arch/$(ARCH)/lib/asm-offsets.c FORCE
$(Q)mkdir -p $(dir $@)
$(call if_changed_dep,cc_s_c)
-$(obj)/$(offsets-file): $(CPUDIR)/$(SOC)/asm-offsets.s
+$(obj)/$(offsets-file): arch/$(ARCH)/lib/asm-offsets.s Kbuild
$(call cmd,offsets)