/usr/include/xenomai/asm-nios2/system.h is in libxenomai-dev 2.6.4+dfsg-0.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 | /*
* Copyright (C) 2009 Philippe Gerum <rpm@xenomai.org>.
*
* Xenomai is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Xenomai is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Xenomai; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#ifndef _XENO_ASM_NIOS2_SYSTEM_H
#define _XENO_ASM_NIOS2_SYSTEM_H
#ifdef __KERNEL__
#include <linux/ptrace.h>
#include <asm-generic/xenomai/system.h>
#include <asm/system.h>
#include <asm/processor.h>
#ifndef CONFIG_MMU
#error "Please use Xenomai 2.5.x for MMU-less support"
#endif
#define XNARCH_THREAD_STACKSZ 4096
#define xnarch_stack_size(tcb) ((tcb)->stacksize)
#define xnarch_stack_base(tcb) ((tcb)->stackbase)
#define xnarch_stack_end(tcb) ((caddr_t)(tcb)->stackbase - (tcb)->stacksize)
#define xnarch_user_task(tcb) ((tcb)->user_task)
#define xnarch_user_pid(tcb) ((tcb)->user_task->pid)
struct xnthread;
struct task_struct;
typedef struct xnarchtcb { /* Per-thread arch-dependent block */
#define xnarch_fpu_ptr(tcb) NULL /* No FPU handling at all. */
unsigned int stacksize; /* Aligned size of stack */
unsigned long *stackbase; /* Stack space */
struct task_struct *user_task; /* Shadowed user-space task */
struct task_struct *active_task; /* Active user-space task */
struct thread_struct *tsp; /* Active thread struct */
struct mm_struct *mm;
struct mm_struct *active_mm;
struct thread_struct ts; /* Holds kernel-based thread context. */
#ifdef CONFIG_XENO_HW_UNLOCKED_SWITCH
struct thread_info *tip; /* Pointer to the active thread info (ti or user->thread_info). */
struct thread_info ti; /* Holds kernel-based thread info */
#endif
#ifdef XNARCH_HAVE_MAYDAY
struct {
unsigned long ea;
unsigned long r2;
unsigned long r3;
} mayday;
#endif
/* Init block */
struct xnthread *self;
int imask;
const char *name;
void (*entry)(void *cookie);
void *cookie;
} xnarchtcb_t;
typedef struct xnarch_fltinfo {
unsigned exception;
struct pt_regs *regs;
} xnarch_fltinfo_t;
#define xnarch_fault_trap(fi) ((fi)->exception)
#define xnarch_fault_code(fi) (0) /* None on this arch. */
#define xnarch_fault_pc(fi) ((fi)->regs->ea)
#define xnarch_fault_fpu_p(fi) (0) /* Can't be. */
/*
* The following predicates are only usable over a regular Linux stack
* context.
*/
#define xnarch_fault_pf_p(fi) (0) /* No page faults. */
#define xnarch_fault_bp_p(fi) ((current->ptrace & PT_PTRACED) && \
((fi)->exception == IPIPE_TRAP_BP))
#define xnarch_fault_notify(fi) (!xnarch_fault_bp_p(fi))
#ifdef __cplusplus
extern "C" {
#endif
static inline void *xnarch_alloc_host_mem(u_long bytes)
{
return kmalloc(bytes,GFP_KERNEL);
}
static inline void xnarch_free_host_mem(void *chunk, u_long bytes)
{
kfree(chunk);
}
static inline void *xnarch_alloc_stack_mem(u_long bytes)
{
return kmalloc(bytes, GFP_KERNEL);
}
static inline void xnarch_free_stack_mem(void *chunk, u_long bytes)
{
kfree(chunk);
}
#ifdef __cplusplus
}
#endif
#else /* !__KERNEL__ */
#include <nucleus/system.h>
#include <bits/local_lim.h>
#endif /* __KERNEL__ */
#endif /* !_XENO_ASM_NIOS2_SYSTEM_H */
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