OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	05/09/2024 07:14:13 AM	rwxr-xr-x
📄 Kbuild	685 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--
📄 asm-uaccess.h	4.11 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 asmmacro.h	2.76 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 atomic.h	7.38 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 barrier.h	542 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 bitops.h	5.08 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 bootparam.h	1.37 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 bugs.h	451 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cache.h	969 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cacheasm.h	3.77 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 cacheflush.h	5.76 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 checksum.h	6 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cmpxchg.h	3.9 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 coprocessor.h	5.05 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 current.h	675 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 delay.h	1.63 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 dma-mapping.h	855 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 dma.h	1.79 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 elf.h	5.75 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 fixmap.h	2.5 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 flat.h	686 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 ftrace.h	979 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 futex.h	2.59 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 highmem.h	2.33 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hw_breakpoint.h	1.45 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hw_irq.h	320 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 initialize_mmu.h	4.58 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 io.h	2.09 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 irq.h	1.46 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 irqflags.h	1.99 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kmem_layout.h	2.07 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mmu.h	462 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 mmu_context.h	3.62 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 module.h	525 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 mxregs.h	1.3 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 nommu_context.h	602 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 page.h	5.69 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pci-bridge.h	2.16 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pci.h	1.37 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 perf_event.h	108 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgalloc.h	1.84 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgtable.h	14.89 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 platform.h	1.75 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 processor.h	7.44 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 ptrace.h	3.74 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 regs.h	3.87 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 segment.h	376 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 serial.h	443 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 shmparam.h	561 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 signal.h	502 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 smp.h	967 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 spinlock.h	4.6 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 spinlock_types.h	412 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 stacktrace.h	1.13 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 string.h	2.65 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 switch_to.h	601 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 syscall.h	982 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 sysmem.h	426 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 thread_info.h	3.62 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 timex.h	1.79 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 tlb.h	1.1 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 tlbflush.h	5.53 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 traps.h	1.87 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 types.h	501 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 uaccess.h	8.67 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ucontext.h	540 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 unaligned.h	864 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 unistd.h	639 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 user.h	507 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 vectors.h	4.05 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 vga.h	434 bytes	01/28/2018 09:20:33 PM	rw-r--r--

Name

Size

Modified

Perms

📁 ..

05/09/2024 07:14:13 AM

rwxr-xr-x

📄 Kbuild

685 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--

📄 asm-uaccess.h

4.11 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 asmmacro.h

2.76 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 atomic.h

7.38 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 barrier.h

542 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 bitops.h

5.08 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 bootparam.h

1.37 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 bugs.h

451 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 cache.h

969 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 cacheasm.h

3.77 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 cacheflush.h

5.76 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 checksum.h

6 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 cmpxchg.h

3.9 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 coprocessor.h

5.05 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 current.h

675 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 delay.h

1.63 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 dma-mapping.h

855 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 dma.h

1.79 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 elf.h

5.75 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 fixmap.h

2.5 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 flat.h

686 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 ftrace.h

979 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 futex.h

2.59 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 highmem.h

2.33 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 hw_breakpoint.h

1.45 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 hw_irq.h

320 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 initialize_mmu.h

4.58 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 io.h

2.09 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 irq.h

1.46 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 irqflags.h

1.99 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 kmem_layout.h

2.07 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 mmu.h

462 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 mmu_context.h

3.62 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 module.h

525 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 mxregs.h

1.3 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 nommu_context.h

602 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 page.h

5.69 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 pci-bridge.h

2.16 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 pci.h

1.37 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 perf_event.h

108 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 pgalloc.h

1.84 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 pgtable.h

14.89 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 platform.h

1.75 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 processor.h

7.44 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 ptrace.h

3.74 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 regs.h

3.87 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 segment.h

376 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 serial.h

443 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 shmparam.h

561 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 signal.h

502 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 smp.h

967 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 spinlock.h

4.6 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 spinlock_types.h

412 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 stacktrace.h

1.13 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 string.h

2.65 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 switch_to.h

601 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 syscall.h

982 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 sysmem.h

426 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 thread_info.h

3.62 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 timex.h

1.79 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 tlb.h

1.1 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 tlbflush.h

5.53 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 traps.h

1.87 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 types.h

501 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 uaccess.h

8.67 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 ucontext.h

540 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 unaligned.h

864 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 unistd.h

639 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 user.h

507 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 vectors.h

4.05 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 vga.h

434 bytes

01/28/2018 09:20:33 PM

rw-r--r--

Editing: futex.h

/*
 * Atomic futex routines
 *
 * Based on the PowerPC implementataion
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * Copyright (C) 2013 TangoTec Ltd.
 *
 * Baruch Siach <baruch@tkos.co.il>
 */

#ifndef _ASM_XTENSA_FUTEX_H
#define _ASM_XTENSA_FUTEX_H

#ifdef __KERNEL__

#include <linux/futex.h>
#include <linux/uaccess.h>
#include <linux/errno.h>

#define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \
	__asm__ __volatile(				\
	"1:	l32i	%0, %2, 0\n"			\
		insn "\n"				\
	"	wsr	%0, scompare1\n"		\
	"2:	s32c1i	%1, %2, 0\n"			\
	"	bne	%1, %0, 1b\n"			\
	"	movi	%1, 0\n"			\
	"3:\n"						\
	"	.section .fixup,\"ax\"\n"		\
	"	.align 4\n"				\
	"4:	.long	3b\n"				\
	"5:	l32r	%0, 4b\n"			\
	"	movi	%1, %3\n"			\
	"	jx	%0\n"				\
	"	.previous\n"				\
	"	.section __ex_table,\"a\"\n"		\
	"	.long 1b,5b,2b,5b\n"			\
	"	.previous\n"				\
	: "=&r" (oldval), "=&r" (ret)			\
	: "r" (uaddr), "I" (-EFAULT), "r" (oparg)	\
	: "memory")

static inline int arch_futex_atomic_op_inuser(int op, int oparg, int *oval,
		u32 __user *uaddr)
{
	int oldval = 0, ret;

#if !XCHAL_HAVE_S32C1I
	return -ENOSYS;
#endif

pagefault_disable();

switch (op) {
	case FUTEX_OP_SET:
		__futex_atomic_op("mov %1, %4", ret, oldval, uaddr, oparg);
		break;
	case FUTEX_OP_ADD:
		__futex_atomic_op("add %1, %0, %4", ret, oldval, uaddr,
				oparg);
		break;
	case FUTEX_OP_OR:
		__futex_atomic_op("or %1, %0, %4", ret, oldval, uaddr,
				oparg);
		break;
	case FUTEX_OP_ANDN:
		__futex_atomic_op("and %1, %0, %4", ret, oldval, uaddr,
				~oparg);
		break;
	case FUTEX_OP_XOR:
		__futex_atomic_op("xor %1, %0, %4", ret, oldval, uaddr,
				oparg);
		break;
	default:
		ret = -ENOSYS;
	}

pagefault_enable();

if (!ret)
		*oval = oldval;

return ret;
}

static inline int
futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
			      u32 oldval, u32 newval)
{
	int ret = 0;

if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
		return -EFAULT;

#if !XCHAL_HAVE_S32C1I
	return -ENOSYS;
#endif

__asm__ __volatile__ (
	"	# futex_atomic_cmpxchg_inatomic\n"
	"	wsr	%5, scompare1\n"
	"1:	s32c1i	%1, %4, 0\n"
	"	s32i	%1, %6, 0\n"
	"2:\n"
	"	.section .fixup,\"ax\"\n"
	"	.align 4\n"
	"3:	.long	2b\n"
	"4:	l32r	%1, 3b\n"
	"	movi	%0, %7\n"
	"	jx	%1\n"
	"	.previous\n"
	"	.section __ex_table,\"a\"\n"
	"	.long 1b,4b\n"
	"	.previous\n"
	: "+r" (ret), "+r" (newval), "+m" (*uaddr), "+m" (*uval)
	: "r" (uaddr), "r" (oldval), "r" (uval), "I" (-EFAULT)
	: "memory");

return ret;
}

#endif /* __KERNEL__ */
#endif /* _ASM_XTENSA_FUTEX_H */