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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778/* * Copyright (C) 2013 Altera Corporation * Copyright (C) 2010 Tobias Klauser <tklauser@distanz.ch> * Copyright (C) 2004 Microtronix Datacom Ltd * Copyright (C) 2001 Ken Hill (khill@microtronix.com) * Vic Phillips (vic@microtronix.com) * * based on SPARC asm/processor_32.h which is: * * Copyright (C) 1994 David S. Miller * * 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_NIOS2_PROCESSOR_H#define _ASM_NIOS2_PROCESSOR_H
#include <asm/ptrace.h>#include <asm/registers.h>#include <asm/page.h>
#define NIOS2_FLAG_KTHREAD 0x00000001 /* task is a kernel thread */
#define NIOS2_OP_NOP 0x1883a#define NIOS2_OP_BREAK 0x3da03a
#ifdef __KERNEL__
#define STACK_TOP TASK_SIZE#define STACK_TOP_MAX STACK_TOP
#endif /* __KERNEL__ */
/* Kuser helpers is mapped to this user space address */#define KUSER_BASE 0x1000#define KUSER_SIZE (PAGE_SIZE)#ifndef __ASSEMBLER__
# define TASK_SIZE 0x7FFF0000UL# define TASK_UNMAPPED_BASE (PAGE_ALIGN(TASK_SIZE / 3))
/* The Nios processor specific thread struct. */struct thread_struct { struct pt_regs *kregs;
/* Context switch saved kernel state. */ unsigned long ksp; unsigned long kpsr;};
# define INIT_THREAD { \ .kregs = NULL, \ .ksp = 0, \ .kpsr = 0, \}
extern void start_thread(struct pt_regs *regs, unsigned long pc, unsigned long sp);
struct task_struct;
extern unsigned long __get_wchan(struct task_struct *p);
#define task_pt_regs(p) \ ((struct pt_regs *)(THREAD_SIZE + task_stack_page(p)) - 1)
/* Used by procfs */#define KSTK_EIP(tsk) ((tsk)->thread.kregs->ea)#define KSTK_ESP(tsk) ((tsk)->thread.kregs->sp)
#define cpu_relax() barrier()
#endif /* __ASSEMBLER__ */
#endif /* _ASM_NIOS2_PROCESSOR_H */