meta-sunxi/recipes-bsp/u-boot/u-boot-sunxi/0001-gcc5-fixes.patch

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From a5e50d6fd7321d0bc60fda2db938c170d09f9dee Mon Sep 17 00:00:00 2001
From: Trevor Woerner <twoerner@gmail.com>
Date: Thu, 24 Sep 2015 22:36:02 -0400
Subject: [PATCH] gcc5 fixes
gcc5 is pickier about inline functions defined in headers.
Signed-off-by: Trevor Woerner <twoerner@gmail.com>
---
arch/arm/include/asm/io.h | 12 ++++----
common/board_f.c | 18 ++++++------
common/main.c | 2 +-
include/linux/compiler-gcc5.h | 65 +++++++++++++++++++++++++++++++++++++++++++
4 files changed, 81 insertions(+), 16 deletions(-)
create mode 100644 include/linux/compiler-gcc5.h
diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h
index 6a1f05a..2f6925b 100644
--- a/arch/arm/include/asm/io.h
+++ b/arch/arm/include/asm/io.h
@@ -75,7 +75,7 @@ static inline phys_addr_t virt_to_phys(void * vaddr)
#define __arch_putw(v,a) (*(volatile unsigned short *)(a) = (v))
#define __arch_putl(v,a) (*(volatile unsigned int *)(a) = (v))
-extern inline void __raw_writesb(unsigned long addr, const void *data,
+static inline void __raw_writesb(unsigned long addr, const void *data,
int bytelen)
{
uint8_t *buf = (uint8_t *)data;
@@ -83,7 +83,7 @@ extern inline void __raw_writesb(unsigned long addr, const void *data,
__arch_putb(*buf++, addr);
}
-extern inline void __raw_writesw(unsigned long addr, const void *data,
+static inline void __raw_writesw(unsigned long addr, const void *data,
int wordlen)
{
uint16_t *buf = (uint16_t *)data;
@@ -91,7 +91,7 @@ extern inline void __raw_writesw(unsigned long addr, const void *data,
__arch_putw(*buf++, addr);
}
-extern inline void __raw_writesl(unsigned long addr, const void *data,
+static inline void __raw_writesl(unsigned long addr, const void *data,
int longlen)
{
uint32_t *buf = (uint32_t *)data;
@@ -99,21 +99,21 @@ extern inline void __raw_writesl(unsigned long addr, const void *data,
__arch_putl(*buf++, addr);
}
-extern inline void __raw_readsb(unsigned long addr, void *data, int bytelen)
+static inline void __raw_readsb(unsigned long addr, void *data, int bytelen)
{
uint8_t *buf = (uint8_t *)data;
while(bytelen--)
*buf++ = __arch_getb(addr);
}
-extern inline void __raw_readsw(unsigned long addr, void *data, int wordlen)
+static inline void __raw_readsw(unsigned long addr, void *data, int wordlen)
{
uint16_t *buf = (uint16_t *)data;
while(wordlen--)
*buf++ = __arch_getw(addr);
}
-extern inline void __raw_readsl(unsigned long addr, void *data, int longlen)
+static inline void __raw_readsl(unsigned long addr, void *data, int longlen)
{
uint32_t *buf = (uint32_t *)data;
while(longlen--)
diff --git a/common/board_f.c b/common/board_f.c
index f285bad..72b421c 100644
--- a/common/board_f.c
+++ b/common/board_f.c
@@ -78,24 +78,24 @@ DECLARE_GLOBAL_DATA_PTR;
************************************************************************
* May be supplied by boards if desired
*/
-inline void __coloured_LED_init(void) {}
+void __coloured_LED_init(void) {}
void coloured_LED_init(void)
__attribute__((weak, alias("__coloured_LED_init")));
-inline void __red_led_on(void) {}
+void __red_led_on(void) {}
void red_led_on(void) __attribute__((weak, alias("__red_led_on")));
-inline void __red_led_off(void) {}
+void __red_led_off(void) {}
void red_led_off(void) __attribute__((weak, alias("__red_led_off")));
-inline void __green_led_on(void) {}
+void __green_led_on(void) {}
void green_led_on(void) __attribute__((weak, alias("__green_led_on")));
-inline void __green_led_off(void) {}
+void __green_led_off(void) {}
void green_led_off(void) __attribute__((weak, alias("__green_led_off")));
-inline void __yellow_led_on(void) {}
+void __yellow_led_on(void) {}
void yellow_led_on(void) __attribute__((weak, alias("__yellow_led_on")));
-inline void __yellow_led_off(void) {}
+void __yellow_led_off(void) {}
void yellow_led_off(void) __attribute__((weak, alias("__yellow_led_off")));
-inline void __blue_led_on(void) {}
+void __blue_led_on(void) {}
void blue_led_on(void) __attribute__((weak, alias("__blue_led_on")));
-inline void __blue_led_off(void) {}
+void __blue_led_off(void) {}
void blue_led_off(void) __attribute__((weak, alias("__blue_led_off")));
/*
diff --git a/common/main.c b/common/main.c
index 8b6f274..3312b90 100644
--- a/common/main.c
+++ b/common/main.c
@@ -27,7 +27,7 @@ DECLARE_GLOBAL_DATA_PTR;
/*
* Board-specific Platform code can reimplement show_boot_progress () if needed
*/
-void inline __show_boot_progress (int val) {}
+void __show_boot_progress (int val) {}
void show_boot_progress (int val) __attribute__((weak, alias("__show_boot_progress")));
#define MAX_DELAY_STOP_STR 32
diff --git a/include/linux/compiler-gcc5.h b/include/linux/compiler-gcc5.h
new file mode 100644
index 0000000..c8c5659
--- /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 */
--
2.6.0.rc3