MIPS: Reduce kernel image size for !CONFIG_DEBUG_ZBOOT
!CONFIG_DEBUG_ZBOOT doesn't need puts() and puthex(), remove them and the corrospindig strings for !CONFIG_DEBUG_ZBOOT, as a result, it saves about 1280 bytes. [ralf@linux-mips.org: Resolved reject.] Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> Cc: linux-mips@linux-mips.org Cc: Wu Zhangjin <wuzhangjin@gmail.com> Patchwork: https://patchwork.linux-mips.org/patch/1898/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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@ -32,9 +32,10 @@ KBUILD_AFLAGS := $(LINUXINCLUDE) $(KBUILD_AFLAGS) -D__ASSEMBLY__ \
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targets := head.o decompress.o string.o dbg.o uart-16550.o uart-alchemy.o
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targets := head.o decompress.o string.o dbg.o uart-16550.o uart-alchemy.o
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# decompressor objects (linked with vmlinuz)
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# decompressor objects (linked with vmlinuz)
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vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o $(obj)/dbg.o
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vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o
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ifdef CONFIG_DEBUG_ZBOOT
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ifdef CONFIG_DEBUG_ZBOOT
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vmlinuzobjs-$(CONFIG_DEBUG_ZBOOT) += $(obj)/dbg.o
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vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o
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vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o
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vmlinuzobjs-$(CONFIG_MIPS_ALCHEMY) += $(obj)/uart-alchemy.o
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vmlinuzobjs-$(CONFIG_MIPS_ALCHEMY) += $(obj)/uart-alchemy.o
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endif
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endif
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@ -28,8 +28,13 @@ unsigned long free_mem_end_ptr;
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extern unsigned char __image_begin, __image_end;
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extern unsigned char __image_begin, __image_end;
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/* debug interfaces */
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/* debug interfaces */
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#ifdef CONFIG_DEBUG_ZBOOT
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extern void puts(const char *s);
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extern void puts(const char *s);
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extern void puthex(unsigned long long val);
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extern void puthex(unsigned long long val);
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#else
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#define puts(s) do {} while (0)
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#define puthex(val) do {} while (0)
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#endif
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void error(char *x)
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void error(char *x)
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{
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{
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