OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	11/17/2022 06:42:15 AM	rwxr-xr-x
📄 Kbuild	1.13 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 atomic.h	2.47 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 bitops.h	4.45 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 bug.h	263 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 byteorder.h	148 bytes	11/01/2022 04:52:05 PM	rw-r--r--
📄 cache.h	281 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cmpxchg.h	1.49 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 dma-mapping.h	269 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 elf.h	2.66 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 flat.h	1.1 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hash.h	1.63 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 io.h	1.44 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 irq.h	555 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 irqflags.h	1.88 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kgdb.h	1.04 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 page.h	485 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 page_offset.h	37 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 pci.h	421 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgtable.h	1.7 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 processor.h	3.17 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ptrace.h	1.03 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 segment.h	886 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 signal.h	520 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 smp.h	32 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 string.h	389 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 switch_to.h	1.72 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 syscall.h	1.03 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 thread_info.h	3.26 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 tlb.h	166 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 traps.h	1.06 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 uaccess.h	1.02 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 user.h	3.34 KB	01/28/2018 09:20:33 PM	rw-r--r--

Editing: atomic.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ARCH_H8300_ATOMIC__
#define __ARCH_H8300_ATOMIC__

#include <linux/types.h>
#include <asm/cmpxchg.h>

/*
 * Atomic operations that C can't guarantee us.  Useful for
 * resource counting etc..
 */

#define ATOMIC_INIT(i)	{ (i) }

#define atomic_read(v)		READ_ONCE((v)->counter)
#define atomic_set(v, i)	WRITE_ONCE(((v)->counter), (i))

#include <linux/kernel.h>

#define ATOMIC_OP_RETURN(op, c_op)				\
static inline int atomic_##op##_return(int i, atomic_t *v)	\
{								\
	h8300flags flags;					\
	int ret;						\
								\
	flags = arch_local_irq_save();				\
	ret = v->counter c_op i;				\
	arch_local_irq_restore(flags);				\
	return ret;						\
}

#define ATOMIC_FETCH_OP(op, c_op)				\
static inline int atomic_fetch_##op(int i, atomic_t *v)		\
{								\
	h8300flags flags;					\
	int ret;						\
								\
	flags = arch_local_irq_save();				\
	ret = v->counter;					\
	v->counter c_op i;					\
	arch_local_irq_restore(flags);				\
	return ret;						\
}

#define ATOMIC_OP(op, c_op)					\
static inline void atomic_##op(int i, atomic_t *v)		\
{								\
	h8300flags flags;					\
								\
	flags = arch_local_irq_save();				\
	v->counter c_op i;					\
	arch_local_irq_restore(flags);				\
}

ATOMIC_OP_RETURN(add, +=)
ATOMIC_OP_RETURN(sub, -=)

#define ATOMIC_OPS(op, c_op)					\
	ATOMIC_OP(op, c_op)					\
	ATOMIC_FETCH_OP(op, c_op)

ATOMIC_OPS(and, &=)
ATOMIC_OPS(or,  |=)
ATOMIC_OPS(xor, ^=)
ATOMIC_OPS(add, +=)
ATOMIC_OPS(sub, -=)

#undef ATOMIC_OPS
#undef ATOMIC_OP_RETURN
#undef ATOMIC_OP

#define atomic_add_negative(a, v)	(atomic_add_return((a), (v)) < 0)
#define atomic_sub_and_test(i, v)	(atomic_sub_return(i, v) == 0)

#define atomic_inc_return(v)		atomic_add_return(1, v)
#define atomic_dec_return(v)		atomic_sub_return(1, v)

#define atomic_inc(v)			(void)atomic_inc_return(v)
#define atomic_inc_and_test(v)		(atomic_inc_return(v) == 0)

#define atomic_dec(v)			(void)atomic_dec_return(v)
#define atomic_dec_and_test(v)		(atomic_dec_return(v) == 0)

static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
{
	int ret;
	h8300flags flags;

flags = arch_local_irq_save();
	ret = v->counter;
	if (likely(ret == old))
		v->counter = new;
	arch_local_irq_restore(flags);
	return ret;
}

static inline int __atomic_add_unless(atomic_t *v, int a, int u)
{
	int ret;
	h8300flags flags;

flags = arch_local_irq_save();
	ret = v->counter;
	if (ret != u)
		v->counter += a;
	arch_local_irq_restore(flags);
	return ret;
}

#endif /* __ARCH_H8300_ATOMIC __ */