From: Kyrylo Tkachov <kyrylo.tkachov@arm.com>
Date: Thu, 6 Nov 2014 08:53:18 +0000 (+0000)
Subject: [AArch64][4.8] LINK_SPEC changes for Cortex-A53 erratum 835769 workaround
X-Git-Tag: releases/gcc-4.8.4~135
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8876633d92f8feea7145ae897214fc2a81d2f8c0;p=thirdparty%2Fgcc.git

[AArch64][4.8] 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: r217177
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8d74c362b74a..9c0c23d33a78 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,11 @@
+2014-11-06  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.
+
 2014-10-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 
 	* config/aarch64/aarch64.c (aarch64_madd_needs_nop): Restore
diff --git a/gcc/config/aarch64/aarch64-elf-raw.h b/gcc/config/aarch64/aarch64-elf-raw.h
index 1cd0155fc633..9515d112d2ef 100644
--- a/gcc/config/aarch64/aarch64-elf-raw.h
+++ b/gcc/config/aarch64/aarch64-elf-raw.h
@@ -25,8 +25,17 @@
 #define STARTFILE_SPEC " crti%O%s crtbegin%O%s crt0%O%s"
 #define ENDFILE_SPEC " crtend%O%s crtn%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"
+#define LINK_SPEC "%{mbig-endian:-EB} %{mlittle-endian:-EL} -X" \
+                  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 4e6e23ad5085..a012baed2841 100644
--- a/gcc/config/aarch64/aarch64-linux.h
+++ b/gcc/config/aarch64/aarch64-linux.h
@@ -34,7 +34,16 @@
    -X						\
    %{mbig-endian:-EB} %{mlittle-endian:-EL}"
 
-#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 TARGET_OS_CPP_BUILTINS()		\
   do						\