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Commit c40d04df authored by David Howells's avatar David Howells
Browse files

Disintegrate asm/system.h for Microblaze 



Disintegrate asm/system.h for Microblaze.  Not compiled.

Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
cc: microblaze-uclinux@itee.uq.edu.au
parent 803f6914

arch/microblaze/include/asm/atomic.h

+1 −0
Original line number Diff line number Diff line 
#ifndef _ASM_MICROBLAZE_ATOMIC_H

#define _ASM_MICROBLAZE_ATOMIC_H



#include <asm/cmpxchg.h>

#include <asm-generic/atomic.h>

#include <asm-generic/atomic64.h>

arch/microblaze/include/asm/barrier.h

0 → 100644
+27 −0
Original line number Diff line number Diff line 
/*

 * 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 */

arch/microblaze/include/asm/cmpxchg.h

0 → 100644
+40 −0
Original line number Diff line number Diff line 
#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 */

arch/microblaze/include/asm/exec.h

0 → 100644
+14 −0
Original line number Diff line number Diff line 
/*

 * 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 */

arch/microblaze/include/asm/processor.h

+10 −1
Original line number Diff line number Diff line
@@ -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 */