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uboot-oxnas: fix build with gcc-5

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This backports a patch from upstream u-boot to make it compile with gcc-5.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

SVN-Revision: 47535
This commit is contained in:
Hauke Mehrtens
2015-11-20 22:22:37 +00:00
parent ade2c06d61
commit dc2b471d6a
2 changed files with 88 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
package/boot/uboot-oxnas/patches/010-capacity-is-unsigned.patch
View File

@@ -17,11 +17,9 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
disk/part.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/disk/part.c b/disk/part.c
index 43485c9..7c67ea6 100644
--- a/disk/part.c
+++ b/disk/part.c
@@ -229,13 +229,13 @@ void dev_print (block_dev_desc_t *dev_desc)
@@ -229,13 +229,13 @@ void dev_print (block_dev_desc_t *dev_de
printf (" Supports 48-bit addressing\n");
#endif
#if defined(CONFIG_SYS_64BIT_LBA)
@@ -37,6 +35,3 @@ index 43485c9..7c67ea6 100644
mb_quot, mb_rem,
gb_quot, gb_rem,
(ulong)lba,
--
2.1.3

87
package/boot/uboot-oxnas/patches/400-gcc-5-compiler.patch Normal file
View File

@@ -0,0 +1,87 @@
From: Hans de Goede <hdegoede@redhat.com>
Date: Sat, 7 Feb 2015 21:52:40 +0000 (+0100)
Subject: Add linux/compiler-gcc5.h to fix builds with gcc5
X-Git-Tag: v2015.04-rc2~31
X-Git-Url: http://git.denx.de/?p=u-boot.git;a=commitdiff_plain;h=478b02f1a7043b673565075ea5016376f3293b23
Add linux/compiler-gcc5.h to fix builds with gcc5
Add linux/compiler-gcc5/h from the kernel sources at:
commit 5631b8fba640a4ab2f8a954f63a603fa34eda96b
Author: Steven Noonan <steven@uplinklabs.net>
Date: Sat Oct 25 15:09:42 2014 -0700
compiler/gcc4+: Remove inaccurate comment about 'asm goto' miscompiles
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
--- /dev/null
+++ b/include/linux/compiler-gcc5.h
@@ -0,0 +1,65 @@
+#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.
+ *
+ * (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 */