microblaze_v8: headers files entry.h current.h mman.h registers.h sembuf.h

/*

 * 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_CURRENT_H

#define _ASM_MICROBLAZE_CURRENT_H

# ifndef __ASSEMBLY__

/*

 * Dedicate r31 to keeping the current task pointer

 */

register struct task_struct *current asm("r31");

# define get_current()	current

# endif /* __ASSEMBLY__ */

#endif /* _ASM_MICROBLAZE_CURRENT_H */

/*

 * Definitions used by low-level trap handlers

 *

 * Copyright (C) 2008 Michal Simek

 * Copyright (C) 2007 - 2008 PetaLogix

 * Copyright (C) 2007 John Williams <john.williams@petalogix.com>

 *

 * 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_ENTRY_H

#define _ASM_MICROBLAZE_ENTRY_H

#include <asm/percpu.h>

#include <asm/ptrace.h>

/*

 * These are per-cpu variables required in entry.S, among other

 * places

 */

#define PER_CPU(var) per_cpu__##var

# ifndef __ASSEMBLY__

DECLARE_PER_CPU(unsigned int, KSP); /* Saved kernel stack pointer */

DECLARE_PER_CPU(unsigned int, KM); /* Kernel/user mode */

DECLARE_PER_CPU(unsigned int, ENTRY_SP); /* Saved SP on kernel entry */

DECLARE_PER_CPU(unsigned int, R11_SAVE); /* Temp variable for entry */

DECLARE_PER_CPU(unsigned int, CURRENT_SAVE); /* Saved current pointer */

DECLARE_PER_CPU(unsigned int, SYSCALL_SAVE); /* Saved syscall number */

# endif /* __ASSEMBLY__ */

#endif /* _ASM_MICROBLAZE_ENTRY_H */

/*

 * 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_MMAN_H

#define _ASM_MICROBLAZE_MMAN_H

#include <asm-generic/mman.h>

#define MAP_GROWSDOWN	0x0100 /* stack-like segment */

#define MAP_DENYWRITE	0x0800 /* ETXTBSY */

#define MAP_EXECUTABLE	0x1000 /* mark it as an executable */

#define MAP_LOCKED	0x2000 /* pages are locked */

#define MAP_NORESERVE	0x4000 /* don't check for reservations */

#define MAP_POPULATE	0x8000 /* populate (prefault) pagetables */

#define MAP_NONBLOCK	0x10000 /* do not block on IO */

#define MCL_CURRENT	1 /* lock all current mappings */

#define MCL_FUTURE	2 /* lock all future mappings */

#endif /* _ASM_MICROBLAZE_MMAN_H */

/*

 * Copyright (C) 2008 Michal Simek

 * Copyright (C) 2008 PetaLogix

 * 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_REGISTERS_H

#define _ASM_MICROBLAZE_REGISTERS_H

#define MSR_BE	(1<<0) /* 0x001 */

#define MSR_IE	(1<<1) /* 0x002 */

#define MSR_C	(1<<2) /* 0x004 */

#define MSR_BIP	(1<<3) /* 0x008 */

#define MSR_FSL	(1<<4) /* 0x010 */

#define MSR_ICE	(1<<5) /* 0x020 */

#define MSR_DZ	(1<<6) /* 0x040 */

#define MSR_DCE	(1<<7) /* 0x080 */

#define MSR_EE	(1<<8) /* 0x100 */

#define MSR_EIP	(1<<9) /* 0x200 */

#define MSR_CC	(1<<31)

/* Floating Point Status Register (FSR) Bits */

#define FSR_IO		(1<<4) /* Invalid operation */

#define FSR_DZ		(1<<3) /* Divide-by-zero */

#define FSR_OF		(1<<2) /* Overflow */

#define FSR_UF		(1<<1) /* Underflow */

#define FSR_DO		(1<<0) /* Denormalized operand error */

#endif /* _ASM_MICROBLAZE_REGISTERS_H */

/*

 * 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_SEMBUF_H

#define _ASM_MICROBLAZE_SEMBUF_H

/*

 * The semid64_ds structure for microblaze architecture.

 * Note extra padding because this structure is passed back and forth

 * between kernel and user space.

 *

 * Pad space is left for:

 * - 64-bit time_t to solve y2038 problem

 * - 2 miscellaneous 32-bit values

 */

struct semid64_ds {

	struct ipc64_perm sem_perm; /* permissions .. see ipc.h */

	__kernel_time_t	sem_otime; /* last semop time */

	unsigned long	__unused1;

	__kernel_time_t	sem_ctime; /* last change time */

	unsigned long	__unused2;

	unsigned long	sem_nsems; /* no. of semaphores in array */

	unsigned long	__unused3;

	unsigned long	__unused4;

};

#endif /* _ASM_MICROBLAZE_SEMBUF_H */