diff options
author | Yannick Gicquel <yannick.gicquel@iot.bzh> | 2016-01-08 16:19:40 +0100 |
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committer | Jan-Simon Moeller <jsmoeller@linuxfoundation.org> | 2016-01-13 15:47:56 +0000 |
commit | 9d986e432921614b6de12f3163f142dcb418a07d (patch) | |
tree | b28c576c4c7e3aa9dccd7e8fc1cf42de680d6dad | |
parent | bb013ecc7450151db021c58614d9fc06b401c3b0 (diff) |
u-boot: fixup build with gcc 5
Change-Id: I88cbad396f0757246e83bbebfe0b4ff2841a51b6
Signed-off-by: Yannick Gicquel <yannick.gicquel@iot.bzh>
3 files changed, 129 insertions, 0 deletions
diff --git a/meta-rcar-gen2/recipes-bsp/u-boot/u-boot/0001-fixup-build-with-gcc5.patch b/meta-rcar-gen2/recipes-bsp/u-boot/u-boot/0001-fixup-build-with-gcc5.patch new file mode 100644 index 0000000..0c42804 --- /dev/null +++ b/meta-rcar-gen2/recipes-bsp/u-boot/u-boot/0001-fixup-build-with-gcc5.patch @@ -0,0 +1,86 @@ +From ecb020204ac4207cbdfe5daa113be9a5e01ae845 Mon Sep 17 00:00:00 2001 +From: Yannick Gicquel <yannick.gicquel@iot.bzh> +Date: Wed, 6 Jan 2016 14:33:26 +0100 +Subject: [PATCH] fixup build with gcc5 + +Signed-off-by: Yannick Gicquel <yannick.gicquel@iot.bzh> +--- + include/linux/compiler-gcc5.h | 66 +++++++++++++++++++++++++++++++++++++++++++ + 1 file changed, 66 insertions(+) + create mode 100644 include/linux/compiler-gcc5.h + +diff --git a/include/linux/compiler-gcc5.h b/include/linux/compiler-gcc5.h +new file mode 100644 +index 0000000..cdd1cc2 +--- /dev/null ++++ b/include/linux/compiler-gcc5.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 */ +-- +1.9.1 + diff --git a/meta-rcar-gen2/recipes-bsp/u-boot/u-boot/0001-inline-use-the-gcc-inline-version-instead-of-the-c99.patch b/meta-rcar-gen2/recipes-bsp/u-boot/u-boot/0001-inline-use-the-gcc-inline-version-instead-of-the-c99.patch new file mode 100644 index 0000000..8b3b22c --- /dev/null +++ b/meta-rcar-gen2/recipes-bsp/u-boot/u-boot/0001-inline-use-the-gcc-inline-version-instead-of-the-c99.patch @@ -0,0 +1,37 @@ +From 4750429f2b66036554e7667aa44a900e12f823cc Mon Sep 17 00:00:00 2001 +From: Yannick Gicquel <yannick.gicquel@iot.bzh> +Date: Fri, 8 Jan 2016 15:40:31 +0100 +Subject: [PATCH] inline: use the gcc inline version instead of the c99 one. + +Workaround to build with gcc5. +May need a further investigation. + +Source: +original RFC from Jeroen Hofstee +http://lists.denx.de/pipermail/u-boot/2014-May/180709.html + +Signed-off-by: Yannick Gicquel <yannick.gicquel@iot.bzh> +--- + include/linux/compiler-gcc.h | 6 +++--- + 1 file changed, 3 insertions(+), 3 deletions(-) + +diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h +index 73dcf80..562e3a2 100644 +--- a/include/linux/compiler-gcc.h ++++ b/include/linux/compiler-gcc.h +@@ -44,9 +44,9 @@ + */ + #if !defined(CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING) || \ + !defined(CONFIG_OPTIMIZE_INLINING) || (__GNUC__ < 4) +-# define inline inline __attribute__((always_inline)) +-# define __inline__ __inline__ __attribute__((always_inline)) +-# define __inline __inline __attribute__((always_inline)) ++# define inline inline __attribute__((always_inline)) __attribute__((__gnu_inline__)) ++# define __inline__ __inline__ __attribute__((always_inline)) __attribute__((__gnu_inline__)) ++# define __inline __inline __attribute__((always_inline)) __attribute__((__gnu_inline__)) + #endif + + #define __deprecated __attribute__((deprecated)) +-- +1.9.1 + diff --git a/meta-rcar-gen2/recipes-bsp/u-boot/u-boot_2013.01.01.bb b/meta-rcar-gen2/recipes-bsp/u-boot/u-boot_2013.01.01.bb index 8ca9e3b..d1638fa 100644 --- a/meta-rcar-gen2/recipes-bsp/u-boot/u-boot_2013.01.01.bb +++ b/meta-rcar-gen2/recipes-bsp/u-boot/u-boot_2013.01.01.bb @@ -18,6 +18,12 @@ S = "${WORKDIR}/git" FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:" +# Some workaround for gcc5 support (tbc): +SRC_URI_append = " \ + file://0001-fixup-build-with-gcc5.patch \ + file://0001-inline-use-the-gcc-inline-version-instead-of-the-c99.patch \ +" + SRC_URI_append_porter = " \ file://0001-uboot-Silk-board-support.patch \ file://0004-uboot-porter-board-support.patch \ |