Disintegrate asm/system.h for Score
David Howells [Wed, 28 Mar 2012 17:30:02 +0000 (18:30 +0100)]
Disintegrate asm/system.h for Score.  Not compiled.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: Chen Liqin <liqin.chen@sunplusct.com>

arch/score/include/asm/atomic.h
arch/score/include/asm/barrier.h [new file with mode: 0644]
arch/score/include/asm/bitops.h
arch/score/include/asm/bug.h
arch/score/include/asm/cmpxchg.h [new file with mode: 0644]
arch/score/include/asm/exec.h [new file with mode: 0644]
arch/score/include/asm/switch_to.h [new file with mode: 0644]
arch/score/include/asm/system.h

index 84eb8dd..edf33db 100644 (file)
@@ -1,6 +1,7 @@
 #ifndef _ASM_SCORE_ATOMIC_H
 #define _ASM_SCORE_ATOMIC_H
 
+#include <asm/cmpxchg.h>
 #include <asm-generic/atomic.h>
 
 #endif /* _ASM_SCORE_ATOMIC_H */
diff --git a/arch/score/include/asm/barrier.h b/arch/score/include/asm/barrier.h
new file mode 100644 (file)
index 0000000..0eacb64
--- /dev/null
@@ -0,0 +1,16 @@
+#ifndef _ASM_SCORE_BARRIER_H
+#define _ASM_SCORE_BARRIER_H
+
+#define mb()           barrier()
+#define rmb()          barrier()
+#define wmb()          barrier()
+#define smp_mb()       barrier()
+#define smp_rmb()      barrier()
+#define smp_wmb()      barrier()
+
+#define read_barrier_depends()         do {} while (0)
+#define smp_read_barrier_depends()     do {} while (0)
+
+#define set_mb(var, value)             do {var = value; wmb(); } while (0)
+
+#endif /* _ASM_SCORE_BARRIER_H */
index 2763b05..a304096 100644 (file)
@@ -2,7 +2,6 @@
 #define _ASM_SCORE_BITOPS_H
 
 #include <asm/byteorder.h> /* swab32 */
-#include <asm/system.h> /* save_flags */
 
 /*
  * clear_bit() doesn't provide any barrier for the compiler.
index bb76a33..fd7164a 100644 (file)
@@ -3,4 +3,15 @@
 
 #include <asm-generic/bug.h>
 
+struct pt_regs;
+extern void __die(const char *, struct pt_regs *, const char *,
+       const char *, unsigned long) __attribute__((noreturn));
+extern void __die_if_kernel(const char *, struct pt_regs *, const char *,
+       const char *, unsigned long);
+
+#define die(msg, regs)                                                 \
+       __die(msg, regs, __FILE__ ":", __func__, __LINE__)
+#define die_if_kernel(msg, regs)                                       \
+       __die_if_kernel(msg, regs, __FILE__ ":", __func__, __LINE__)
+
 #endif /* _ASM_SCORE_BUG_H */
diff --git a/arch/score/include/asm/cmpxchg.h b/arch/score/include/asm/cmpxchg.h
new file mode 100644 (file)
index 0000000..f384839
--- /dev/null
@@ -0,0 +1,49 @@
+#ifndef _ASM_SCORE_CMPXCHG_H
+#define _ASM_SCORE_CMPXCHG_H
+
+#include <linux/irqflags.h>
+
+struct __xchg_dummy { unsigned long a[100]; };
+#define __xg(x) ((struct __xchg_dummy *)(x))
+
+static inline
+unsigned long __xchg(volatile unsigned long *m, unsigned long val)
+{
+       unsigned long retval;
+       unsigned long flags;
+
+       local_irq_save(flags);
+       retval = *m;
+       *m = val;
+       local_irq_restore(flags);
+       return retval;
+}
+
+#define xchg(ptr, v)                                           \
+       ((__typeof__(*(ptr))) __xchg((unsigned long *)(ptr),    \
+                                       (unsigned long)(v)))
+
+static inline unsigned long __cmpxchg(volatile unsigned long *m,
+                               unsigned long old, unsigned long new)
+{
+       unsigned long retval;
+       unsigned long flags;
+
+       local_irq_save(flags);
+       retval = *m;
+       if (retval == old)
+               *m = new;
+       local_irq_restore(flags);
+       return retval;
+}
+
+#define cmpxchg(ptr, o, n)                                     \
+       ((__typeof__(*(ptr))) __cmpxchg((unsigned long *)(ptr), \
+                                       (unsigned long)(o),     \
+                                       (unsigned long)(n)))
+
+#define __HAVE_ARCH_CMPXCHG    1
+
+#include <asm-generic/cmpxchg-local.h>
+
+#endif /* _ASM_SCORE_CMPXCHG_H */
diff --git a/arch/score/include/asm/exec.h b/arch/score/include/asm/exec.h
new file mode 100644 (file)
index 0000000..f9f3cd5
--- /dev/null
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_EXEC_H
+#define _ASM_SCORE_EXEC_H
+
+extern unsigned long arch_align_stack(unsigned long sp);
+
+#endif /* _ASM_SCORE_EXEC_H */
diff --git a/arch/score/include/asm/switch_to.h b/arch/score/include/asm/switch_to.h
new file mode 100644 (file)
index 0000000..031756b
--- /dev/null
@@ -0,0 +1,13 @@
+#ifndef _ASM_SCORE_SWITCH_TO_H
+#define _ASM_SCORE_SWITCH_TO_H
+
+extern void *resume(void *last, void *next, void *next_ti);
+
+#define switch_to(prev, next, last)                            \
+do {                                                           \
+       (last) = resume(prev, next, task_thread_info(next));    \
+} while (0)
+
+#define finish_arch_switch(prev)       do {} while (0)
+
+#endif /* _ASM_SCORE_SWITCH_TO_H */
index 589d5c7..a7f4057 100644 (file)
@@ -1,90 +1,5 @@
-#ifndef _ASM_SCORE_SYSTEM_H
-#define _ASM_SCORE_SYSTEM_H
-
-#include <linux/types.h>
-#include <linux/irqflags.h>
-
-struct pt_regs;
-struct task_struct;
-
-extern void *resume(void *last, void *next, void *next_ti);
-
-#define switch_to(prev, next, last)                            \
-do {                                                           \
-       (last) = resume(prev, next, task_thread_info(next));    \
-} while (0)
-
-#define finish_arch_switch(prev)       do {} while (0)
-
-typedef void (*vi_handler_t)(void);
-extern unsigned long arch_align_stack(unsigned long sp);
-
-#define mb()           barrier()
-#define rmb()          barrier()
-#define wmb()          barrier()
-#define smp_mb()       barrier()
-#define smp_rmb()      barrier()
-#define smp_wmb()      barrier()
-
-#define read_barrier_depends()         do {} while (0)
-#define smp_read_barrier_depends()     do {} while (0)
-
-#define set_mb(var, value)             do {var = value; wmb(); } while (0)
-
-#define __HAVE_ARCH_CMPXCHG    1
-
-#include <asm-generic/cmpxchg-local.h>
-
-#ifndef __ASSEMBLY__
-
-struct __xchg_dummy { unsigned long a[100]; };
-#define __xg(x) ((struct __xchg_dummy *)(x))
-
-static inline
-unsigned long __xchg(volatile unsigned long *m, unsigned long val)
-{
-       unsigned long retval;
-       unsigned long flags;
-
-       local_irq_save(flags);
-       retval = *m;
-       *m = val;
-       local_irq_restore(flags);
-       return retval;
-}
-
-#define xchg(ptr, v)                                           \
-       ((__typeof__(*(ptr))) __xchg((unsigned long *)(ptr),    \
-                                       (unsigned long)(v)))
-
-static inline unsigned long __cmpxchg(volatile unsigned long *m,
-                               unsigned long old, unsigned long new)
-{
-       unsigned long retval;
-       unsigned long flags;
-
-       local_irq_save(flags);
-       retval = *m;
-       if (retval == old)
-               *m = new;
-       local_irq_restore(flags);
-       return retval;
-}
-
-#define cmpxchg(ptr, o, n)                                     \
-       ((__typeof__(*(ptr))) __cmpxchg((unsigned long *)(ptr), \
-                                       (unsigned long)(o),     \
-                                       (unsigned long)(n)))
-
-extern void __die(const char *, struct pt_regs *, const char *,
-       const char *, unsigned long) __attribute__((noreturn));
-extern void __die_if_kernel(const char *, struct pt_regs *, const char *,
-       const char *, unsigned long);
-
-#define die(msg, regs)                                                 \
-       __die(msg, regs, __FILE__ ":", __func__, __LINE__)
-#define die_if_kernel(msg, regs)                                       \
-       __die_if_kernel(msg, regs, __FILE__ ":", __func__, __LINE__)
-
-#endif /* !__ASSEMBLY__ */
-#endif /* _ASM_SCORE_SYSTEM_H */
+/* FILE TO BE DELETED. DO NOT ADD STUFF HERE! */
+#include <asm/barrier.h>
+#include <asm/cmpxchg.h>
+#include <asm/exec.h>
+#include <asm/switch_to.h>