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authorTrevor Woerner <twoerner@gmail.com>2018-04-10 01:39:35 -0400
committerTrevor Woerner <twoerner@gmail.com>2018-04-10 01:40:57 -0400
commit3c771667ce5c2804d742a473ece2ddf62610334c (patch)
treef6fd8fde0b8ee3b4963ec97f02473eec5c612b73
parent83afa0ed1df1c72e8c18bbaf980ffbb298e392f7 (diff)
downloadmeta-rockchip-morty.tar.gz
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meta-rockchip-morty.zip
linux-veyron: add support for gcc6morty
Signed-off-by: Trevor Woerner <twoerner@gmail.com>
-rw-r--r--recipes-kernel/linux/linux-veyron/0001-add-support-for-gcc6.patch86
-rw-r--r--recipes-kernel/linux/linux-veyron_3.14.0.bb1
2 files changed, 87 insertions, 0 deletions
diff --git a/recipes-kernel/linux/linux-veyron/0001-add-support-for-gcc6.patch b/recipes-kernel/linux/linux-veyron/0001-add-support-for-gcc6.patch
new file mode 100644
index 0000000..cdaae8c
--- /dev/null
+++ b/recipes-kernel/linux/linux-veyron/0001-add-support-for-gcc6.patch
@@ -0,0 +1,86 @@
+From 8c1cc93719587418bb95e6d11aab0171d56ebd32 Mon Sep 17 00:00:00 2001
+From: Trevor Woerner <twoerner@gmail.com>
+Date: Tue, 10 Apr 2018 01:24:37 -0400
+Subject: [PATCH] add support for gcc6
+
+Signed-off-by: Trevor Woerner <twoerner@gmail.com>
+---
+ include/linux/compiler-gcc6.h | 66 +++++++++++++++++++++++++++++++++++
+ 1 file changed, 66 insertions(+)
+ create mode 100644 include/linux/compiler-gcc6.h
+
+diff --git a/include/linux/compiler-gcc6.h b/include/linux/compiler-gcc6.h
+new file mode 100644
+index 000000000000..cdd1cc202d51
+--- /dev/null
++++ b/include/linux/compiler-gcc6.h
+@@ -0,0 +1,66 @@
++#ifndef __LINUX_COMPILER_H
++#error "Please don't include <linux/compiler-gcc5.h> directly, include <linux/compiler.h> instead."
++#endif
++
++#define __used __attribute__((__used__))
++#define __must_check __attribute__((warn_unused_result))
++#define __compiler_offsetof(a, b) __builtin_offsetof(a, b)
++
++/* Mark functions as cold. gcc will assume any path leading to a call
++ to them will be unlikely. This means a lot of manual unlikely()s
++ are unnecessary now for any paths leading to the usual suspects
++ like BUG(), printk(), panic() etc. [but let's keep them for now for
++ older compilers]
++
++ Early snapshots of gcc 4.3 don't support this and we can't detect this
++ in the preprocessor, but we can live with this because they're unreleased.
++ Maketime probing would be overkill here.
++
++ gcc also has a __attribute__((__hot__)) to move hot functions into
++ a special section, but I don't see any sense in this right now in
++ the kernel context */
++#define __cold __attribute__((__cold__))
++
++#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
++
++#ifndef __CHECKER__
++# define __compiletime_warning(message) __attribute__((warning(message)))
++# define __compiletime_error(message) __attribute__((error(message)))
++#endif /* __CHECKER__ */
++
++/*
++ * Mark a position in code as unreachable. This can be used to
++ * suppress control flow warnings after asm blocks that transfer
++ * control elsewhere.
++ *
++ * Early snapshots of gcc 4.5 don't support this and we can't detect
++ * this in the preprocessor, but we can live with this because they're
++ * unreleased. Really, we need to have autoconf for the kernel.
++ */
++#define unreachable() __builtin_unreachable()
++
++/* Mark a function definition as prohibited from being cloned. */
++#define __noclone __attribute__((__noclone__))
++
++/*
++ * Tell the optimizer that something else uses this function or variable.
++ */
++#define __visible __attribute__((externally_visible))
++
++/*
++ * GCC 'asm goto' miscompiles certain code sequences:
++ *
++ * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
++ *
++ * Work it around via a compiler barrier quirk suggested by Jakub Jelinek.
++ * Fixed in GCC 4.8.2 and later versions.
++ *
++ * (asm goto is automatically volatile - the naming reflects this.)
++ */
++#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
++
++#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP
++#define __HAVE_BUILTIN_BSWAP32__
++#define __HAVE_BUILTIN_BSWAP64__
++#define __HAVE_BUILTIN_BSWAP16__
++#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */
+--
+2.17.0.rc2.3.gc2a499e6c
+
diff --git a/recipes-kernel/linux/linux-veyron_3.14.0.bb b/recipes-kernel/linux/linux-veyron_3.14.0.bb
index 881480e..0bcc69f 100644
--- a/recipes-kernel/linux/linux-veyron_3.14.0.bb
+++ b/recipes-kernel/linux/linux-veyron_3.14.0.bb
@@ -11,6 +11,7 @@ SRC_URI = "git://chromium.googlesource.com/chromiumos/third_party/kernel;protoco
file://0002-mwifiex-do-not-create-AP-and-P2P-interfaces-upon-dri.patch \
file://0003-UPSTREAM-soc-rockchip-add-handler-for-usb-uart-funct.patch \
file://0004-fix-brcmfmac-oops-and-race-condition.patch \
+ file://0001-add-support-for-gcc6.patch \
file://defconfig"
SRCREV = "6fa09265d61db1c29203c8194badebcfee86d97f"