Remove links from CRIS build
PATCH 1/1 Remove links from CRIS build
Remove the links to architecture and machine dependent directories (boot, lib, drivers, arch, mach)
The links were created and used mostly from the arch/cris/Makefile, so why not dispense with them altogether?
Changed $(ARCH) to "cris" in Makefile, it is easier to read this way.
The CRISv32 head.S common files for the kernel and compressed images needed to be modified to use ifdefs instead of using the now removed mach link. Since there are only two versions, this is not a huge loss in readability.
The link to vmlinux.lds.S is also replaced with a merged version which uses ifdefs to select the correct layout. System.map before and after are identical.
--- arch/cris/Makefile | 61 ++++-------- arch/cris/arch-v10/vmlinux.lds.S | 118 ---------------------- arch/cris/arch-v32/boot/compressed/head.S | 16 +++- arch/cris/arch-v32/kernel/head.S | 20 +++- arch/cris/arch-v32/vmlinux.lds.S | 133 ------------------------- arch/cris/kernel/vmlinux.lds.S | 151 +++++++++++++++++++++++++++++ 6 files changed, 201 insertions(+), 298 deletions(-) delete mode 100644 arch/cris/arch-v10/vmlinux.lds.S delete mode 100644 arch/cris/arch-v32/vmlinux.lds.S create mode 100644 arch/cris/kernel/vmlinux.lds.S
arch/cris/Makefile +19 -42
@@ -23,7 +23,8 @@ mach-$(CONFIG_ETRAXFS) := fs ifneq ($(arch-y),) SARCH := arch-$(arch-y) -inc := -Iarch/cris/include/arch-$(arch-y) -Iarch/cris/include/arch-$(arch-y)/arch +inc := -Iarch/cris/include/$(SARCH) +inc += -Iarch/cris/include/$(SARCH)/arch else SARCH := inc :=
@@ -52,72 +53,48 @@ KBUILD_CFLAGS := $(subst -fomit-frame-pointer,,$(KBUILD_CFLAGS)) -g KBUILD_CFLAGS += -fno-omit-frame-pointer endif -head-y := arch/$(ARCH)/$(SARCH)/kernel/head.o +head-y := arch/cris/$(SARCH)/kernel/head.o LIBGCC = $(shell $(CC) $(KBUILD_CFLAGS) -print-file-name=libgcc.a) -core-y += arch/$(ARCH)/kernel/ arch/$(ARCH)/mm/ -core-y += arch/$(ARCH)/$(SARCH)/kernel/ arch/$(ARCH)/$(SARCH)/mm/ +core-y += arch/cris/kernel/ arch/cris/mm/ +core-y += arch/cris/$(SARCH)/kernel/ arch/cris/$(SARCH)/mm/ ifdef CONFIG_ETRAX_ARCH_V32 -core-y += arch/$(ARCH)/$(SARCH)/$(MACH)/ +core-y += arch/cris/$(SARCH)/$(MACH)/ endif -drivers-y += arch/$(ARCH)/$(SARCH)/drivers/ -libs-y += arch/$(ARCH)/$(SARCH)/lib/ $(LIBGCC) +drivers-y += arch/cris/$(SARCH)/drivers/ +libs-y += arch/cris/$(SARCH)/lib/ $(LIBGCC) # cris source path -SRC_ARCH = $(srctree)/arch/$(ARCH) +SRC_ARCH = $(srctree)/arch/cris # cris object files path -OBJ_ARCH = $(objtree)/arch/$(ARCH) +OBJ_ARCH = $(objtree)/arch/cris -boot := arch/$(ARCH)/boot -MACHINE := arch/$(ARCH)/$(SARCH) +boot := arch/cris/$(SARCH)/boot +MACHINE := arch/cris/$(SARCH) all: zImage zImage Image: vmlinux $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ -archprepare: $(SRC_ARCH)/.links FORCE - -# Create some links to make all tools happy -$(SRC_ARCH)/.links: - @rm -rf $(SRC_ARCH)/drivers - @ln -sfn $(SARCH)/drivers $(SRC_ARCH)/drivers - @rm -rf $(SRC_ARCH)/boot - @ln -sfn $(SARCH)/boot $(SRC_ARCH)/boot - @rm -rf $(SRC_ARCH)/lib - @ln -sfn $(SARCH)/lib $(SRC_ARCH)/lib - @rm -f $(SRC_ARCH)/arch/mach - @rm -rf $(SRC_ARCH)/arch - @ln -sfn $(SARCH) $(SRC_ARCH)/arch -ifdef CONFIG_ETRAX_ARCH_V32 - @ln -sfn ../$(SARCH)/$(MACH) $(SRC_ARCH)/arch/mach -endif - @rm -rf $(SRC_ARCH)/kernel/vmlinux.lds.S - @ln -sfn ../$(SARCH)/vmlinux.lds.S $(SRC_ARCH)/kernel/vmlinux.lds.S - @touch $@ +archprepare: archclean: - $(Q)if [ -e arch/$(ARCH)/boot ]; then \ - $(MAKE) $(clean)=arch/$(ARCH)/boot; \ + $(Q)if [ -e arch/cris/$(SARCH)/boot ]; then \ + $(MAKE) $(clean)=arch/cris/$(SARCH)/boot; \ fi CLEAN_FILES += \ $(MACHINE)/boot/zImage \ $(MACHINE)/boot/compressed/decompress.bin \ $(MACHINE)/boot/compressed/piggy.gz \ - $(MACHINE)/boot/rescue/rescue.bin \ - $(SRC_ARCH)/.links + $(MACHINE)/boot/rescue/rescue.bin -MRPROPER_FILES += \ - $(SRC_ARCH)/drivers \ - $(SRC_ARCH)/boot \ - $(SRC_ARCH)/lib \ - $(SRC_ARCH)/arch \ - $(SRC_ARCH)/kernel/vmlinux.lds.S +# MRPROPER_FILES += define archhelp - echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)' - echo '* Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)' + echo '* zImage - Compressed kernel image (arch/cris/boot/zImage)' + echo '* Image - Uncompressed kernel image (arch/cris/boot/Image)' endef
arch/cris/arch-v10/vmlinux.lds.S deleted +0 -118
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arch/cris/arch-v32/boot/compressed/head.S +14 -2
@@ -28,7 +28,13 @@ _start: beq dram_init_finished nop -#include "../../mach/dram_init.S" +#if defined CONFIG_ETRAXFS +#include "../../mach-fs/dram_init.S" +#elif defined CONFIG_CRIS_MACH_ARTPEC3 +#include "../../mach-a3/dram_init.S" +#else +#error Only ETRAXFS and ARTPEC-3 supported! +#endif dram_init_finished:
@@ -130,4 +136,10 @@ _cmd_line_addr: _boot_source: .dword 0 -#include "../../mach/hw_settings.S" +#if defined CONFIG_ETRAXFS +#include "../../mach-fs/hw_settings.S" +#elif defined CONFIG_CRIS_MACH_ARTPEC3 +#include "../../mach-a3/hw_settings.S" +#else +#error Only ETRAXFS and ARTPEC-3 supported! +#endif
arch/cris/arch-v32/kernel/head.S +17 -3
@@ -10,8 +10,9 @@ * The macros found in mmu_defs_asm.h uses the ## concatenation operator, so * -traditional must not be used when assembling this file. */ -#include <hwregs/reg_rdwr.h> +#include <linux/autoconf.h> #include <arch/memmap.h> +#include <hwregs/reg_rdwr.h> #include <hwregs/intr_vect.h> #include <hwregs/asm/mmu_defs_asm.h> #include <hwregs/asm/reg_map_asm.h>
@@ -217,7 +218,14 @@ _inflash: beq _dram_initialized nop -#include "../mach/dram_init.S" +#if defined CONFIG_ETRAXFS +#include "../mach-fs/dram_init.S" +#elif defined CONFIG_CRIS_MACH_ARTPEC3 +#include "../mach-a3/dram_init.S" +#else +#error Only ETRAXFS and ARTPEC-3 supported! +#endif + _dram_initialized: ;; Copy the text and data section to DRAM. This depends on that the
@@ -472,4 +480,10 @@ swapper_pg_dir = 0xc0002000 .section ".init.data", "aw" -#include "../mach/hw_settings.S" +#if defined CONFIG_ETRAXFS +#include "../mach-fs/hw_settings.S" +#elif defined CONFIG_CRIS_MACH_ARTPEC3 +#include "../mach-a3/hw_settings.S" +#else +#error Only ETRAXFS and ARTPEC-3 supported! +#endif
arch/cris/arch-v32/vmlinux.lds.S deleted +0 -133
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arch/cris/kernel/vmlinux.lds.S new file +151 -0
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Signature · 6 lines
1.5.6.5
/^JN - Jesper Nilsson
--
Jesper Nilsson -- [email protected]