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Message-Id: <6ca9906a5469bc5cc4aafeac6f90ab3798a5a837.1268153722.git.wuzhangjin@gmail.com> Date: Wed, 10 Mar 2010 01:12:32 +0800 From: Wu Zhangjin <wuzhangjin@...il.com> To: Ralf Baechle <ralf@...ux-mips.org>, Greg KH <gregkh@...e.de> Cc: linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org, Wu Zhangjin <wuzhangjin@...il.com>, Zhang Le <r0bertz@...too.org>, Wu Zhangjin <wuzj@...ote.com> Subject: [PATCH 2/3] Loongson-2F: Enable fixups of binutils 2.20.1 From: Wu Zhangjin <wuzhangjin@...il.com> As the "Fixups of Loongson2F" patch[1] to binutils have been applied into binutils 2.20.1. It's time to enable the options provided by the patch to compile the kernel. Without these fixups, the system will hang unexpectedly for the bug of processor. To learn more about these fixups, please refer to the following references. [1] "Fixups of Loongson2F" patch for binutils(actually for gas) http://sourceware.org/ml/binutils/2009-11/msg00387.html [2] Chapter 15 of "Loongson2F User Manual"(Chinese Version) http://www.loongson.cn/uploadfile/file/200808211 [3] English Version of the above chapter 15 http://groups.google.com.hk/group/loongson-dev/msg/e0d2e220958f10a6?dmode=source Signed-off-by: Zhang Le <r0bertz@...too.org> Signed-off-by: Wu Zhangjin <wuzj@...ote.com> --- arch/mips/Makefile | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 2f2eac2..5ae342e 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -135,7 +135,9 @@ cflags-$(CONFIG_CPU_LOONGSON2) += -Wa,--trap cflags-$(CONFIG_CPU_LOONGSON2E) += \ $(call cc-option,-march=loongson2e,-march=r4600) cflags-$(CONFIG_CPU_LOONGSON2F) += \ - $(call cc-option,-march=loongson2f,-march=r4600) + $(call cc-option,-march=loongson2f,-march=r4600) \ + $(call as-option,-Wa$(comma)-mfix-loongson2f-nop,) \ + $(call as-option,-Wa$(comma)-mfix-loongson2f-jump,) cflags-$(CONFIG_CPU_MIPS32_R1) += $(call cc-option,-march=mips32,-mips32 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \ -Wa,-mips32 -Wa,--trap -- 1.7.0.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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