OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	05/09/2024 07:14:13 AM	rwxr-xr-x
📄 Kbuild	958 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 asm-macros.h	6.71 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 asm-offsets.h	813 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cache.h	1.14 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cacheflush.h	1.91 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 checksum.h	2.03 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cpuinfo.h	1.42 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 delay.h	547 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 dma-mapping.h	547 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 elf.h	3.2 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 entry.h	2.6 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 io.h	1.72 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 irq.h	907 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 irqflags.h	1.75 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kgdb.h	1.88 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 linkage.h	809 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 mmu.h	445 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 mmu_context.h	1.69 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 page.h	3.08 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgalloc.h	1.86 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgtable-bits.h	1.05 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgtable.h	7.99 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 processor.h	2.18 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ptrace.h	2.29 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 registers.h	2.15 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 setup.h	1.04 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 shmparam.h	804 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 string.h	618 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 switch_to.h	866 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 syscall.h	2.6 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 syscalls.h	883 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 thread_info.h	3.37 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 timex.h	912 bytes	06/16/2023 05:32:39 PM	rw-r--r--
📄 tlb.h	963 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 tlbflush.h	1.56 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 traps.h	514 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 uaccess.h	5.18 KB	01/28/2018 09:20:33 PM	rw-r--r--

Editing: syscall.h

/*
 * Copyright Altera Corporation (C) <2014>. All rights reserved
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope 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
 * this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef __ASM_NIOS2_SYSCALL_H__
#define __ASM_NIOS2_SYSCALL_H__

#include <linux/err.h>
#include <linux/sched.h>

static inline int syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
{
	return regs->r2;
}

static inline void syscall_rollback(struct task_struct *task,
				struct pt_regs *regs)
{
	regs->r2 = regs->orig_r2;
	regs->r7 = regs->orig_r7;
}

static inline long syscall_get_error(struct task_struct *task,
				struct pt_regs *regs)
{
	return regs->r7 ? regs->r2 : 0;
}

static inline long syscall_get_return_value(struct task_struct *task,
	struct pt_regs *regs)
{
	return regs->r2;
}

static inline void syscall_set_return_value(struct task_struct *task,
	struct pt_regs *regs, int error, long val)
{
	if (error) {
		/* error < 0, but nios2 uses > 0 return value */
		regs->r2 = -error;
		regs->r7 = 1;
	} else {
		regs->r2 = val;
		regs->r7 = 0;
	}
}

static inline void syscall_get_arguments(struct task_struct *task,
	struct pt_regs *regs, unsigned int i, unsigned int n,
	unsigned long *args)
{
	BUG_ON(i + n > 6);

switch (i) {
	case 0:
		if (!n--)
			break;
		*args++ = regs->r4;
	case 1:
		if (!n--)
			break;
		*args++ = regs->r5;
	case 2:
		if (!n--)
			break;
		*args++ = regs->r6;
	case 3:
		if (!n--)
			break;
		*args++ = regs->r7;
	case 4:
		if (!n--)
			break;
		*args++ = regs->r8;
	case 5:
		if (!n--)
			break;
		*args++ = regs->r9;
	case 6:
		if (!n--)
			break;
	default:
		BUG();
	}
}

static inline void syscall_set_arguments(struct task_struct *task,
	struct pt_regs *regs, unsigned int i, unsigned int n,
	const unsigned long *args)
{
	BUG_ON(i + n > 6);

switch (i) {
	case 0:
		if (!n--)
			break;
		regs->r4 = *args++;
	case 1:
		if (!n--)
			break;
		regs->r5 = *args++;
	case 2:
		if (!n--)
			break;
		regs->r6 = *args++;
	case 3:
		if (!n--)
			break;
		regs->r7 = *args++;
	case 4:
		if (!n--)
			break;
		regs->r8 = *args++;
	case 5:
		if (!n--)
			break;
		regs->r9 = *args++;
	case 6:
		if (!n)
			break;
	default:
		BUG();
	}
}

#endif