summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorMatt Redfearn <matt.redfearn@imgtec.com>2015-09-15 11:36:45 +0300
committerMatt Redfearn <matt.redfearn@imgtec.com>2015-09-15 11:36:45 +0300
commita4f583551d0025eb957ee5c9cb68657a429e4914 (patch)
tree17cb18126b5a1c89473d939222bdfd75cbe6ee7d
parent2e320c155f936519b52fee05ff152ac949ce3bb8 (diff)
parent15d1119ad46e2b43cf4eca44face30dd6dd79754 (diff)
downloadCI20_u-boot-a4f583551d0025eb957ee5c9cb68657a429e4914.tar.xz
Merge pull request #11 from 0intro/ci20-v2013.10
Fix build with GCC 5.x
-rw-r--r--arch/mips/include/asm/io.h12
-rw-r--r--arch/mips/include/asm/system.h6
-rw-r--r--common/main.c3
-rw-r--r--include/linux/compiler-gcc5.h65
4 files changed, 75 insertions, 11 deletions
diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
index 50a882ca5..ac729ba19 100644
--- a/arch/mips/include/asm/io.h
+++ b/arch/mips/include/asm/io.h
@@ -118,7 +118,7 @@ static inline void set_io_port_base(unsigned long base)
* Change virtual addresses to physical addresses and vv.
* These are trivial on the 1:1 Linux/MIPS mapping
*/
-extern inline phys_addr_t virt_to_phys(volatile void * address)
+static inline phys_addr_t virt_to_phys(volatile void * address)
{
#ifndef CONFIG_64BIT
return CPHYSADDR(address);
@@ -127,7 +127,7 @@ extern inline phys_addr_t virt_to_phys(volatile void * address)
#endif
}
-extern inline void * phys_to_virt(unsigned long address)
+static inline void * phys_to_virt(unsigned long address)
{
#ifndef CONFIG_64BIT
return (void *)KSEG0ADDR(address);
@@ -139,7 +139,7 @@ extern inline void * phys_to_virt(unsigned long address)
/*
* IO bus memory addresses are also 1:1 with the physical address
*/
-extern inline unsigned long virt_to_bus(volatile void * address)
+static inline unsigned long virt_to_bus(volatile void * address)
{
#ifndef CONFIG_64BIT
return CPHYSADDR(address);
@@ -148,7 +148,7 @@ extern inline unsigned long virt_to_bus(volatile void * address)
#endif
}
-extern inline void * bus_to_virt(unsigned long address)
+static inline void * bus_to_virt(unsigned long address)
{
#ifndef CONFIG_64BIT
return (void *)KSEG0ADDR(address);
@@ -166,12 +166,12 @@ extern unsigned long isa_slot_offset;
extern void * __ioremap(unsigned long offset, unsigned long size, unsigned long flags);
#if 0
-extern inline void *ioremap(unsigned long offset, unsigned long size)
+static inline void *ioremap(unsigned long offset, unsigned long size)
{
return __ioremap(offset, size, _CACHE_UNCACHED);
}
-extern inline void *ioremap_nocache(unsigned long offset, unsigned long size)
+static inline void *ioremap_nocache(unsigned long offset, unsigned long size)
{
return __ioremap(offset, size, _CACHE_UNCACHED);
}
diff --git a/arch/mips/include/asm/system.h b/arch/mips/include/asm/system.h
index b6d50e2f0..992dd4489 100644
--- a/arch/mips/include/asm/system.h
+++ b/arch/mips/include/asm/system.h
@@ -23,7 +23,7 @@
#include <linux/kernel.h>
#endif
-extern __inline__ void
+static __inline__ void
__sti(void)
{
__asm__ __volatile__(
@@ -47,7 +47,7 @@ __sti(void)
* R4000/R4400 need three nops, the R4600 two nops and the R10000 needs
* no nops at all.
*/
-extern __inline__ void
+static __inline__ void
__cli(void)
{
__asm__ __volatile__(
@@ -208,7 +208,7 @@ do { \
* For 32 and 64 bit operands we can take advantage of ll and sc.
* FIXME: This doesn't work for R3000 machines.
*/
-extern __inline__ unsigned long xchg_u32(volatile int * m, unsigned long val)
+static __inline__ unsigned long xchg_u32(volatile int * m, unsigned long val)
{
#ifdef CONFIG_CPU_HAS_LLSC
unsigned long dummy;
diff --git a/common/main.c b/common/main.c
index ae37fee46..2e56573b6 100644
--- a/common/main.c
+++ b/common/main.c
@@ -27,8 +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) __attribute__((weak, alias("__show_boot_progress")));
+__weak void show_boot_progress(int val) {}
#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 000000000..c8c565952
--- /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 */