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

Signed-off-by: David Howells <dhowells@redhat.com>
cc: microblaze-uclinux@itee.uq.edu.au

17 files changed:
arch/microblaze/include/asm/atomic.h
arch/microblaze/include/asm/barrier.h [new file with mode: 0644]
arch/microblaze/include/asm/cmpxchg.h [new file with mode: 0644]
arch/microblaze/include/asm/exec.h [new file with mode: 0644]
arch/microblaze/include/asm/processor.h
arch/microblaze/include/asm/setup.h
arch/microblaze/include/asm/switch_to.h [new file with mode: 0644]
arch/microblaze/include/asm/system.h
arch/microblaze/kernel/cpu/pvr.c
arch/microblaze/kernel/microblaze_ksyms.c
arch/microblaze/kernel/process.c
arch/microblaze/kernel/prom.c
arch/microblaze/kernel/setup.c
arch/microblaze/kernel/timer.c
arch/microblaze/kernel/traps.c
arch/microblaze/lib/memcpy.c
arch/microblaze/mm/fault.c

index 615f539..472d8bf 100644 (file)
@@ -1,6 +1,7 @@
 #ifndef _ASM_MICROBLAZE_ATOMIC_H
 #define _ASM_MICROBLAZE_ATOMIC_H
 
+#include <asm/cmpxchg.h>
 #include <asm-generic/atomic.h>
 #include <asm-generic/atomic64.h>
 
diff --git a/arch/microblaze/include/asm/barrier.h b/arch/microblaze/include/asm/barrier.h
new file mode 100644 (file)
index 0000000..df5be3e
--- /dev/null
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2006 Atmark Techno, Inc.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#ifndef _ASM_MICROBLAZE_BARRIER_H
+#define _ASM_MICROBLAZE_BARRIER_H
+
+#define nop()                  asm volatile ("nop")
+
+#define smp_read_barrier_depends()     do {} while (0)
+#define read_barrier_depends()         do {} while (0)
+
+#define mb()                   barrier()
+#define rmb()                  mb()
+#define wmb()                  mb()
+#define set_mb(var, value)     do { var = value; mb(); } while (0)
+#define set_wmb(var, value)    do { var = value; wmb(); } while (0)
+
+#define smp_mb()               mb()
+#define smp_rmb()              rmb()
+#define smp_wmb()              wmb()
+
+#endif /* _ASM_MICROBLAZE_BARRIER_H */
diff --git a/arch/microblaze/include/asm/cmpxchg.h b/arch/microblaze/include/asm/cmpxchg.h
new file mode 100644 (file)
index 0000000..0094859
--- /dev/null
@@ -0,0 +1,40 @@
+#ifndef _ASM_MICROBLAZE_CMPXCHG_H
+#define _ASM_MICROBLAZE_CMPXCHG_H
+
+void __bad_xchg(volatile void *ptr, int size);
+
+static inline unsigned long __xchg(unsigned long x, volatile void *ptr,
+                                                               int size)
+{
+       unsigned long ret;
+       unsigned long flags;
+
+       switch (size) {
+       case 1:
+               local_irq_save(flags);
+               ret = *(volatile unsigned char *)ptr;
+               *(volatile unsigned char *)ptr = x;
+               local_irq_restore(flags);
+               break;
+
+       case 4:
+               local_irq_save(flags);
+               ret = *(volatile unsigned long *)ptr;
+               *(volatile unsigned long *)ptr = x;
+               local_irq_restore(flags);
+               break;
+       default:
+               __bad_xchg(ptr, size), ret = 0;
+               break;
+       }
+
+       return ret;
+}
+
+#define xchg(ptr, x) \
+       ((__typeof__(*(ptr))) __xchg((unsigned long)(x), (ptr), sizeof(*(ptr))))
+
+#include <asm-generic/cmpxchg.h>
+#include <asm-generic/cmpxchg-local.h>
+
+#endif /* _ASM_MICROBLAZE_CMPXCHG_H */
diff --git a/arch/microblaze/include/asm/exec.h b/arch/microblaze/include/asm/exec.h
new file mode 100644 (file)
index 0000000..e750de1
--- /dev/null
@@ -0,0 +1,14 @@
+/*
+ * Copyright (C) 2006 Atmark Techno, Inc.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#ifndef _ASM_MICROBLAZE_EXEC_H
+#define _ASM_MICROBLAZE_EXEC_H
+
+#define arch_align_stack(x) (x)
+
+#endif /* _ASM_MICROBLAZE_EXEC_H */
index 7283bfb..510a8e1 100644 (file)
@@ -125,7 +125,6 @@ struct thread_struct {
        .pgdir = swapper_pg_dir, \
 }
 
-
 /* Free all resources held by a thread. */
 extern inline void release_thread(struct task_struct *dead_task)
 {
@@ -144,6 +143,8 @@ static inline void exit_thread(void)
 
 unsigned long get_wchan(struct task_struct *p);
 
+extern void ret_from_fork(void);
+
 /* The size allocated for kernel stacks. This _must_ be a power of two! */
 # define KERNEL_STACK_SIZE     0x2000
 
@@ -166,6 +167,14 @@ unsigned long get_wchan(struct task_struct *p);
 #  define STACK_TOP    TASK_SIZE
 #  define STACK_TOP_MAX        STACK_TOP
 
+void disable_hlt(void);
+void enable_hlt(void);
+void default_idle(void);
+
+#ifdef CONFIG_DEBUG_FS
+extern struct dentry *of_debugfs_root;
+#endif
+
 #  endif /* __ASSEMBLY__ */
 # endif /* CONFIG_MMU */
 #endif /* _ASM_MICROBLAZE_PROCESSOR_H */
index 6c72ed7..aa22511 100644 (file)
@@ -20,6 +20,8 @@ extern unsigned int boot_cpuid; /* move to smp.h */
 
 extern char cmd_line[COMMAND_LINE_SIZE];
 
+extern char *klimit;
+
 void early_printk(const char *fmt, ...);
 
 int setup_early_printk(char *opt);
@@ -46,6 +48,10 @@ void machine_shutdown(void);
 void machine_halt(void);
 void machine_power_off(void);
 
+void free_init_pages(char *what, unsigned long begin, unsigned long end);
+extern void *alloc_maybe_bootmem(size_t size, gfp_t mask);
+extern void *zalloc_maybe_bootmem(size_t size, gfp_t mask);
+
 #  endif/* __KERNEL__ */
 # endif /* __ASSEMBLY__ */
 #endif /* _ASM_MICROBLAZE_SETUP_H */
diff --git a/arch/microblaze/include/asm/switch_to.h b/arch/microblaze/include/asm/switch_to.h
new file mode 100644 (file)
index 0000000..f45baa2
--- /dev/null
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2006 Atmark Techno, Inc.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#ifndef _ASM_MICROBLAZE_SWITCH_TO_H
+#define _ASM_MICROBLAZE_SWITCH_TO_H
+
+struct task_struct;
+struct thread_info;
+
+extern struct task_struct *_switch_to(struct thread_info *prev,
+                                       struct thread_info *next);
+
+#define switch_to(prev, next, last)                                    \
+       do {                                                            \
+               (last) = _switch_to(task_thread_info(prev),             \
+                                       task_thread_info(next));        \
+       } while (0)
+
+#endif /* _ASM_MICROBLAZE_SWITCH_TO_H */
index 5a433cb..ccc4f86 100644 (file)
@@ -1,97 +1,7 @@
-/*
- * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-
-#ifndef _ASM_MICROBLAZE_SYSTEM_H
-#define _ASM_MICROBLAZE_SYSTEM_H
-
-#include <asm/registers.h>
-#include <asm/setup.h>
-#include <asm/irqflags.h>
-#include <asm/cache.h>
-
-#include <asm-generic/cmpxchg.h>
-#include <asm-generic/cmpxchg-local.h>
-
-struct task_struct;
-struct thread_info;
-
-extern struct task_struct *_switch_to(struct thread_info *prev,
-                                       struct thread_info *next);
-
-#define switch_to(prev, next, last)                                    \
-       do {                                                            \
-               (last) = _switch_to(task_thread_info(prev),             \
-                                       task_thread_info(next));        \
-       } while (0)
-
-#define smp_read_barrier_depends()     do {} while (0)
-#define read_barrier_depends()         do {} while (0)
-
-#define nop()                  asm volatile ("nop")
-#define mb()                   barrier()
-#define rmb()                  mb()
-#define wmb()                  mb()
-#define set_mb(var, value)     do { var = value; mb(); } while (0)
-#define set_wmb(var, value)    do { var = value; wmb(); } while (0)
-
-#define smp_mb()               mb()
-#define smp_rmb()              rmb()
-#define smp_wmb()              wmb()
-
-void __bad_xchg(volatile void *ptr, int size);
-
-static inline unsigned long __xchg(unsigned long x, volatile void *ptr,
-                                                               int size)
-{
-       unsigned long ret;
-       unsigned long flags;
-
-       switch (size) {
-       case 1:
-               local_irq_save(flags);
-               ret = *(volatile unsigned char *)ptr;
-               *(volatile unsigned char *)ptr = x;
-               local_irq_restore(flags);
-               break;
-
-       case 4:
-               local_irq_save(flags);
-               ret = *(volatile unsigned long *)ptr;
-               *(volatile unsigned long *)ptr = x;
-               local_irq_restore(flags);
-               break;
-       default:
-               __bad_xchg(ptr, size), ret = 0;
-               break;
-       }
-
-       return ret;
-}
-
-void disable_hlt(void);
-void enable_hlt(void);
-void default_idle(void);
-
-#define xchg(ptr, x) \
-       ((__typeof__(*(ptr))) __xchg((unsigned long)(x), (ptr), sizeof(*(ptr))))
-
-void free_init_pages(char *what, unsigned long begin, unsigned long end);
-void free_initmem(void);
-extern char *klimit;
-extern void ret_from_fork(void);
-
-extern void *alloc_maybe_bootmem(size_t size, gfp_t mask);
-extern void *zalloc_maybe_bootmem(size_t size, gfp_t mask);
-
-#ifdef CONFIG_DEBUG_FS
-extern struct dentry *of_debugfs_root;
-#endif
-
-#define arch_align_stack(x) (x)
-
-#endif /* _ASM_MICROBLAZE_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/special_insns.h>
+#include <asm/switch_to.h>
+extern void free_initmem(void);
index 488c1ed..3a749d5 100644 (file)
@@ -12,7 +12,6 @@
 
 #include <linux/kernel.h>
 #include <linux/compiler.h>
-#include <asm/system.h>
 #include <asm/exceptions.h>
 #include <asm/pvr.h>
 
index 49faeb4..bb4907c 100644 (file)
@@ -18,7 +18,6 @@
 #include <asm/cacheflush.h>
 #include <linux/io.h>
 #include <asm/page.h>
-#include <asm/system.h>
 #include <linux/ftrace.h>
 #include <linux/uaccess.h>
 
index 9155f7d..883b927 100644 (file)
@@ -13,7 +13,6 @@
 #include <linux/pm.h>
 #include <linux/tick.h>
 #include <linux/bitops.h>
-#include <asm/system.h>
 #include <asm/pgalloc.h>
 #include <asm/uaccess.h> /* for USER_DS macros */
 #include <asm/cacheflush.h>
index 80d314e..4a764cc 100644 (file)
@@ -36,7 +36,6 @@
 #include <asm/processor.h>
 #include <asm/irq.h>
 #include <linux/io.h>
-#include <asm/system.h>
 #include <asm/mmu.h>
 #include <asm/pgtable.h>
 #include <asm/sections.h>
index 70e6d0b..7a9f39e 100644 (file)
@@ -30,7 +30,6 @@
 #include <asm/entry.h>
 #include <asm/cpuinfo.h>
 
-#include <asm/system.h>
 #include <asm/prom.h>
 #include <asm/pgtable.h>
 
index 3cb0bf6..d3a38ec 100644 (file)
@@ -27,7 +27,6 @@
 #include <asm/setup.h>
 #include <asm/prom.h>
 #include <asm/irq.h>
-#include <asm/system.h>
 #include <linux/cnt32_to_63.h>
 
 #ifdef CONFIG_SELFMOD_TIMER
index ba034d4..5541ac5 100644 (file)
@@ -15,7 +15,6 @@
 #include <linux/debug_locks.h>
 
 #include <asm/exceptions.h>
-#include <asm/system.h>
 #include <asm/unwind.h>
 
 void trap_init(void)
index 52746e7..fe9c53f 100644 (file)
@@ -30,7 +30,6 @@
 #include <linux/module.h>
 
 #include <linux/string.h>
-#include <asm/system.h>
 
 #ifdef __HAVE_ARCH_MEMCPY
 #ifndef CONFIG_OPT_LIB_FUNCTION
index ae97d2c..c38a265 100644 (file)
@@ -33,7 +33,6 @@
 #include <asm/pgtable.h>
 #include <asm/mmu.h>
 #include <asm/mmu_context.h>
-#include <asm/system.h>
 #include <linux/uaccess.h>
 #include <asm/exceptions.h>