OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	05/09/2024 07:14:13 AM	rwxr-xr-x
📄 Kbuild	997 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 asm-offsets.h	35 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 atomic.h	3.02 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 barrier.h	203 bytes	06/16/2023 05:32:39 PM	rw-r--r--
📁 bitops	-	05/09/2024 07:14:16 AM	rwxr-xr-x
📄 bitops.h	1.5 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cache.h	888 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cacheflush.h	3.37 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cmpxchg.h	3.92 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cpuinfo.h	970 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 delay.h	670 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 dma-mapping.h	968 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 elf.h	2.02 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 fixmap.h	2.74 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 futex.h	2.24 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 io.h	1.31 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 irq.h	835 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 irqflags.h	866 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 linkage.h	764 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 mmu.h	728 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 mmu_context.h	1.3 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 page.h	2.54 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgalloc.h	2.57 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgtable.h	13.96 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 processor.h	2.7 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ptrace.h	3.33 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 serial.h	1.11 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 smp.h	822 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 spinlock.h	985 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 spinlock_types.h	188 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 spr.h	1.17 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 spr_defs.h	22.91 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 string.h	324 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 syscall.h	1.91 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 syscalls.h	1.04 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 thread_info.h	3.85 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 time.h	627 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 timex.h	914 bytes	06/16/2023 05:32:39 PM	rw-r--r--
📄 tlb.h	1.01 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 tlbflush.h	2.05 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 uaccess.h	7.98 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 unaligned.h	1.7 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 unwinder.h	557 bytes	01/28/2018 09:20:33 PM	rw-r--r--

Editing: thread_info.h

/*
 * OpenRISC Linux
 *
 * Linux architectural port borrowing liberally from similar works of
 * others.  All original copyrights apply as per the original source
 * declaration.
 *
 * OpenRISC implementation:
 * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
 * et al.
 *
 * This program 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.
 */

#ifndef _ASM_THREAD_INFO_H
#define _ASM_THREAD_INFO_H

#ifdef __KERNEL__

#ifndef __ASSEMBLY__
#include <asm/types.h>
#include <asm/processor.h>
#endif

/* THREAD_SIZE is the size of the task_struct/kernel_stack combo.
 * normally, the stack is found by doing something like p + THREAD_SIZE
 * in or32, a page is 8192 bytes, which seems like a sane size
 */

#define THREAD_SIZE_ORDER 0
#define THREAD_SIZE       (PAGE_SIZE << THREAD_SIZE_ORDER)

/*
 * low level task data that entry.S needs immediate access to
 * - this struct should fit entirely inside of one cache line
 * - this struct shares the supervisor stack pages
 * - if the contents of this structure are changed, the assembly constants
 *   must also be changed
 */
#ifndef __ASSEMBLY__

typedef unsigned long mm_segment_t;

struct thread_info {
	struct task_struct	*task;		/* main task structure */
	unsigned long		flags;		/* low level flags */
	__u32			cpu;		/* current CPU */
	__s32			preempt_count; /* 0 => preemptable, <0 => BUG */

mm_segment_t		addr_limit; /* thread address space:
					       0-0x7FFFFFFF for user-thead
					       0-0xFFFFFFFF for kernel-thread
					     */
	__u8			supervisor_stack[0];

/* saved context data */
	unsigned long           ksp;
};
#endif

/*
 * macros/functions for gaining access to the thread information structure
 *
 * preempt_count needs to be 1 initially, until the scheduler is functional.
 */
#ifndef __ASSEMBLY__
#define INIT_THREAD_INFO(tsk)				\
{							\
	.task		= &tsk,				\
	.flags		= 0,				\
	.cpu		= 0,				\
	.preempt_count	= INIT_PREEMPT_COUNT,		\
	.addr_limit	= KERNEL_DS,			\
	.ksp            = 0,                            \
}

#define init_thread_info	(init_thread_union.thread_info)

/* how to get the thread information struct from C */
register struct thread_info *current_thread_info_reg asm("r10");
#define current_thread_info()   (current_thread_info_reg)

#define get_thread_info(ti) get_task_struct((ti)->task)
#define put_thread_info(ti) put_task_struct((ti)->task)

#endif /* !__ASSEMBLY__ */

/*
 * thread information flags
 *   these are process state flags that various assembly files may need to
 *   access
 *   - pending work-to-be-done flags are in LSW
 *   - other flags in MSW
 */
#define TIF_SYSCALL_TRACE	0	/* syscall trace active */
#define TIF_NOTIFY_RESUME	1	/* resumption notification requested */
#define TIF_SIGPENDING		2	/* signal pending */
#define TIF_NEED_RESCHED	3	/* rescheduling necessary */
#define TIF_SINGLESTEP		4	/* restore singlestep on return to user
					 * mode
					 */
#define TIF_SYSCALL_TRACEPOINT  8       /* for ftrace syscall instrumentation */
#define TIF_RESTORE_SIGMASK     9
#define TIF_POLLING_NRFLAG	16	/* true if poll_idle() is polling						 * TIF_NEED_RESCHED
					 */
#define TIF_MEMDIE              17

#define _TIF_SYSCALL_TRACE	(1<<TIF_SYSCALL_TRACE)
#define _TIF_NOTIFY_RESUME	(1<<TIF_NOTIFY_RESUME)
#define _TIF_SIGPENDING		(1<<TIF_SIGPENDING)
#define _TIF_NEED_RESCHED	(1<<TIF_NEED_RESCHED)
#define _TIF_SINGLESTEP		(1<<TIF_SINGLESTEP)
#define _TIF_POLLING_NRFLAG	(1<<TIF_POLLING_NRFLAG)

/* Work to do when returning from interrupt/exception */
/* For OpenRISC, this is anything in the LSW other than syscall trace */
#define _TIF_WORK_MASK (0xff & ~(_TIF_SYSCALL_TRACE|_TIF_SINGLESTEP))

#endif /* __KERNEL__ */

#endif /* _ASM_THREAD_INFO_H */