From acdc859b00a8655a4246c26dc447306945aed823 Mon Sep 17 00:00:00 2001 From: Wu Zhangjin Date: Fri, 4 Sep 2009 15:01:25 +0800 Subject: [PATCH] Loongson-2F: Enable fixups of binutils 2.20.1 commit 555eed89f0c42c9f3f9f2a38cfbfc0a1a21c81ba in tip. 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 Signed-off-by: Wu Zhangjin Signed-off-by: Paul Gortmaker --- arch/mips/Makefile | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 0b9c01a..5dcd4fc 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,) # enable the workarounds for loongson2f ifdef CONFIG_CPU_LOONGSON2F_WORKAROUNDS ifeq ($(call as-option,-Wa$(comma)-mfix-loongson2f-nop,),) -- 1.7.0.4