From: Kyrylo Tkachov <kyrylo.tkachov@arm.com>
Date: Fri, 24 Oct 2014 11:32:40 +0000 (+0000)
Subject: [AArch64] LINK_SPEC changes for Cortex-A53 erratum 835769 workaround
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=bc50815a52e938ad2c7d5f594e7cdac304d58284;p=gcc.git

[AArch64] LINK_SPEC changes for Cortex-A53 erratum 835769 workaround

     * config/aarch64/aarch64-elf-raw.h (CA53_ERR_835769_SPEC): Define.
     (LINK_SPEC): Include CA53_ERR_835769_SPEC.
     * config/aarch64/aarch64-linux.h (CA53_ERR_835769_SPEC): Define.
     (LINK_SPEC): Include CA53_ERR_835769_SPEC.

From-SVN: r216639
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 918426d7dd3..a0e43ae21b4 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2014-10-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
+	* config/aarch64/aarch64-elf-raw.h (CA53_ERR_835769_SPEC): Define.
+	(LINK_SPEC): Include CA53_ERR_835769_SPEC.
+	* config/aarch64/aarch64-linux.h (CA53_ERR_835769_SPEC): Define.
+	(LINK_SPEC): Include CA53_ERR_835769_SPEC.
+
 2014-10-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 
 	* config/aarch64/aarch64.h (ADJUST_INSN_LENGTH): Wrap definition in
diff --git a/gcc/config/aarch64/aarch64-elf-raw.h b/gcc/config/aarch64/aarch64-elf-raw.h
index b9d4e8db8f0..16ad5c89450 100644
--- a/gcc/config/aarch64/aarch64-elf-raw.h
+++ b/gcc/config/aarch64/aarch64-elf-raw.h
@@ -27,9 +27,18 @@
   " crtend%O%s crtn%O%s " \
   "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s}"
 
+#ifdef TARGET_FIX_ERR_A53_835769_DEFAULT
+#define CA53_ERR_835769_SPEC \
+  " %{!mno-fix-cortex-a53-835769:--fix-cortex-a53-835769}"
+#else
+#define CA53_ERR_835769_SPEC \
+  " %{mfix-cortex-a53-835769:--fix-cortex-a53-835769}"
+#endif
+
 #ifndef LINK_SPEC
 #define LINK_SPEC "%{mbig-endian:-EB} %{mlittle-endian:-EL} -X \
-  -maarch64elf%{mabi=ilp32*:32}%{mbig-endian:b}"
+  -maarch64elf%{mabi=ilp32*:32}%{mbig-endian:b}" \
+  CA53_ERR_835769_SPEC
 #endif
 
 #endif /* GCC_AARCH64_ELF_RAW_H */
diff --git a/gcc/config/aarch64/aarch64-linux.h b/gcc/config/aarch64/aarch64-linux.h
index 3fbde938805..d375624ab0a 100644
--- a/gcc/config/aarch64/aarch64-linux.h
+++ b/gcc/config/aarch64/aarch64-linux.h
@@ -41,7 +41,16 @@
    %{mbig-endian:-EB} %{mlittle-endian:-EL}     \
    -maarch64linux%{mabi=ilp32:32}%{mbig-endian:b}"
 
-#define LINK_SPEC LINUX_TARGET_LINK_SPEC
+#ifdef TARGET_FIX_ERR_A53_835769_DEFAULT
+#define CA53_ERR_835769_SPEC \
+  " %{!mno-fix-cortex-a53-835769:--fix-cortex-a53-835769}"
+#else
+#define CA53_ERR_835769_SPEC \
+  " %{mfix-cortex-a53-835769:--fix-cortex-a53-835769}"
+#endif
+
+#define LINK_SPEC LINUX_TARGET_LINK_SPEC \
+                  CA53_ERR_835769_SPEC
 
 #define GNU_USER_TARGET_MATHFILE_SPEC \
   "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s}"