Geforce File Manager

NAME	SIZE	ACTIONS
📁 bitops		[ DEL ]
📁 vdso		[ DEL ]
📄 4level-fixup.h	1,098 B	[ EDIT ] \| [ DEL ]
📄 5level-fixup.h	1,273 B	[ EDIT ] \| [ DEL ]
📄 asm-offsets.h	35 B	[ EDIT ] \| [ DEL ]
📄 asm-prototypes.h	507 B	[ EDIT ] \| [ DEL ]
📄 atomic-instrumented.h	13,623 B	[ EDIT ] \| [ DEL ]
📄 atomic-long.h	8,048 B	[ EDIT ] \| [ DEL ]
📄 atomic.h	4,391 B	[ EDIT ] \| [ DEL ]
📄 atomic64.h	1,797 B	[ EDIT ] \| [ DEL ]
📄 audit_change_attr.h	484 B	[ EDIT ] \| [ DEL ]
📄 audit_dir_write.h	528 B	[ EDIT ] \| [ DEL ]
📄 audit_read.h	241 B	[ EDIT ] \| [ DEL ]
📄 audit_signal.h	36 B	[ EDIT ] \| [ DEL ]
📄 audit_write.h	461 B	[ EDIT ] \| [ DEL ]
📄 barrier.h	6,868 B	[ EDIT ] \| [ DEL ]
📄 bitops-instrumented.h	7,909 B	[ EDIT ] \| [ DEL ]
📄 bitops.h	1,119 B	[ EDIT ] \| [ DEL ]
📄 bitsperlong.h	592 B	[ EDIT ] \| [ DEL ]
📄 bug.h	6,720 B	[ EDIT ] \| [ DEL ]
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📄 cacheflush.h	1,340 B	[ EDIT ] \| [ DEL ]
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📄 cmpxchg-local.h	1,464 B	[ EDIT ] \| [ DEL ]
📄 cmpxchg.h	2,286 B	[ EDIT ] \| [ DEL ]
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📄 current.h	256 B	[ EDIT ] \| [ DEL ]
📄 delay.h	1,157 B	[ EDIT ] \| [ DEL ]
📄 device.h	245 B	[ EDIT ] \| [ DEL ]
📄 div64.h	7,458 B	[ EDIT ] \| [ DEL ]
📄 dma-contiguous.h	238 B	[ EDIT ] \| [ DEL ]
📄 dma-mapping.h	248 B	[ EDIT ] \| [ DEL ]
📄 dma.h	553 B	[ EDIT ] \| [ DEL ]
📄 early_ioremap.h	1,696 B	[ EDIT ] \| [ DEL ]
📄 emergency-restart.h	248 B	[ EDIT ] \| [ DEL ]
📄 error-injection.h	1,178 B	[ EDIT ] \| [ DEL ]
📄 exec.h	667 B	[ EDIT ] \| [ DEL ]
📄 export.h	2,002 B	[ EDIT ] \| [ DEL ]
📄 extable.h	802 B	[ EDIT ] \| [ DEL ]
📄 fb.h	271 B	[ EDIT ] \| [ DEL ]
📄 fixmap.h	2,904 B	[ EDIT ] \| [ DEL ]
📄 ftrace.h	460 B	[ EDIT ] \| [ DEL ]
📄 futex.h	2,964 B	[ EDIT ] \| [ DEL ]
📄 getorder.h	1,487 B	[ EDIT ] \| [ DEL ]
📄 gpio.h	4,558 B	[ EDIT ] \| [ DEL ]
📄 hardirq.h	532 B	[ EDIT ] \| [ DEL ]
📄 hugetlb.h	1,326 B	[ EDIT ] \| [ DEL ]
📄 hw_irq.h	270 B	[ EDIT ] \| [ DEL ]
📄 hyperv-tlfs.h	20,696 B	[ EDIT ] \| [ DEL ]
📄 ide_iops.h	791 B	[ EDIT ] \| [ DEL ]
📄 int-ll64.h	863 B	[ EDIT ] \| [ DEL ]
📄 io.h	24,167 B	[ EDIT ] \| [ DEL ]
📄 ioctl.h	506 B	[ EDIT ] \| [ DEL ]
📄 iomap.h	4,033 B	[ EDIT ] \| [ DEL ]
📄 irq.h	403 B	[ EDIT ] \| [ DEL ]
📄 irq_regs.h	980 B	[ EDIT ] \| [ DEL ]
📄 irq_work.h	194 B	[ EDIT ] \| [ DEL ]
📄 irqflags.h	1,543 B	[ EDIT ] \| [ DEL ]
📄 kdebug.h	182 B	[ EDIT ] \| [ DEL ]
📄 kmap_size.h	263 B	[ EDIT ] \| [ DEL ]
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📄 kvm_para.h	549 B	[ EDIT ] \| [ DEL ]
📄 kvm_types.h	113 B	[ EDIT ] \| [ DEL ]
📄 linkage.h	225 B	[ EDIT ] \| [ DEL ]
📄 local.h	2,282 B	[ EDIT ] \| [ DEL ]
📄 local64.h	3,887 B	[ EDIT ] \| [ DEL ]
📄 mcs_spinlock.h	260 B	[ EDIT ] \| [ DEL ]
📄 memory_model.h	2,209 B	[ EDIT ] \| [ DEL ]
📄 mm-arch-hooks.h	388 B	[ EDIT ] \| [ DEL ]
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📄 mmiowb.h	1,731 B	[ EDIT ] \| [ DEL ]
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📄 mmu.h	449 B	[ EDIT ] \| [ DEL ]
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📄 numa.h	1,544 B	[ EDIT ] \| [ DEL ]
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📄 parport.h	604 B	[ EDIT ] \| [ DEL ]
📄 pci.h	401 B	[ EDIT ] \| [ DEL ]
📄 pci_iomap.h	1,775 B	[ EDIT ] \| [ DEL ]
📄 percpu.h	13,026 B	[ EDIT ] \| [ DEL ]
📄 pgalloc.h	342 B	[ EDIT ] \| [ DEL ]
📄 pgtable-nop4d-hack.h	1,965 B	[ EDIT ] \| [ DEL ]
📄 pgtable-nop4d.h	1,772 B	[ EDIT ] \| [ DEL ]
📄 pgtable-nopmd.h	1,944 B	[ EDIT ] \| [ DEL ]
📄 pgtable-nopud.h	2,071 B	[ EDIT ] \| [ DEL ]
📄 pgtable.h	33,765 B	[ EDIT ] \| [ DEL ]
📄 pgtable_uffd.h	1,052 B	[ EDIT ] \| [ DEL ]
📄 preempt.h	1,994 B	[ EDIT ] \| [ DEL ]
📄 ptrace.h	1,615 B	[ EDIT ] \| [ DEL ]
📄 qrwlock.h	4,315 B	[ EDIT ] \| [ DEL ]
📄 qrwlock_types.h	682 B	[ EDIT ] \| [ DEL ]
📄 qspinlock.h	3,816 B	[ EDIT ] \| [ DEL ]
📄 qspinlock_types.h	2,590 B	[ EDIT ] \| [ DEL ]
📄 resource.h	1,100 B	[ EDIT ] \| [ DEL ]
📄 seccomp.h	1,328 B	[ EDIT ] \| [ DEL ]
📄 sections.h	5,306 B	[ EDIT ] \| [ DEL ]
📄 segment.h	249 B	[ EDIT ] \| [ DEL ]
📄 serial.h	345 B	[ EDIT ] \| [ DEL ]
📄 set_memory.h	362 B	[ EDIT ] \| [ DEL ]
📄 signal.h	308 B	[ EDIT ] \| [ DEL ]
📄 simd.h	436 B	[ EDIT ] \| [ DEL ]
📄 sizes.h	78 B	[ EDIT ] \| [ DEL ]
📄 spinlock.h	329 B	[ EDIT ] \| [ DEL ]
📄 statfs.h	169 B	[ EDIT ] \| [ DEL ]
📄 string.h	281 B	[ EDIT ] \| [ DEL ]
📄 switch_to.h	962 B	[ EDIT ] \| [ DEL ]
📄 syscall.h	6,389 B	[ EDIT ] \| [ DEL ]
📄 syscalls.h	739 B	[ EDIT ] \| [ DEL ]
📄 termios-base.h	2,164 B	[ EDIT ] \| [ DEL ]
📄 termios.h	2,877 B	[ EDIT ] \| [ DEL ]
📄 timex.h	508 B	[ EDIT ] \| [ DEL ]
📄 tlb.h	19,685 B	[ EDIT ] \| [ DEL ]
📄 tlbflush.h	485 B	[ EDIT ] \| [ DEL ]
📄 topology.h	2,234 B	[ EDIT ] \| [ DEL ]
📄 trace_clock.h	391 B	[ EDIT ] \| [ DEL ]
📄 uaccess.h	5,272 B	[ EDIT ] \| [ DEL ]
📄 unaligned.h	1,078 B	[ EDIT ] \| [ DEL ]
📄 unistd.h	318 B	[ EDIT ] \| [ DEL ]
📄 user.h	242 B	[ EDIT ] \| [ DEL ]
📄 vga.h	587 B	[ EDIT ] \| [ DEL ]
📄 vmlinux.lds.h	28,848 B	[ EDIT ] \| [ DEL ]
📄 vtime.h	52 B	[ EDIT ] \| [ DEL ]
📄 word-at-a-time.h	2,817 B	[ EDIT ] \| [ DEL ]
📄 xor.h	13,961 B	[ EDIT ] \| [ DEL ]

[ CLOSE ]

EDIT: word-at-a-time.h

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

#include <linux/kernel.h>
#include <asm/byteorder.h>

#ifdef __BIG_ENDIAN

struct word_at_a_time {
	const unsigned long high_bits, low_bits;
};

#define WORD_AT_A_TIME_CONSTANTS { REPEAT_BYTE(0xfe) + 1, REPEAT_BYTE(0x7f) }

/* Bit set in the bytes that have a zero */
static inline long prep_zero_mask(unsigned long val, unsigned long rhs, const struct word_at_a_time *c)
{
	unsigned long mask = (val & c->low_bits) + c->low_bits;
	return ~(mask | rhs);
}

#define create_zero_mask(mask) (mask)

static inline long find_zero(unsigned long mask)
{
	long byte = 0;
#ifdef CONFIG_64BIT
	if (mask >> 32)
		mask >>= 32;
	else
		byte = 4;
#endif
	if (mask >> 16)
		mask >>= 16;
	else
		byte += 2;
	return (mask >> 8) ? byte : byte + 1;
}

static inline bool has_zero(unsigned long val, unsigned long *data, const struct word_at_a_time *c)
{
	unsigned long rhs = val | c->low_bits;
	*data = rhs;
	return (val + c->high_bits) & ~rhs;
}

#ifndef zero_bytemask
#define zero_bytemask(mask) (~1ul << __fls(mask))
#endif

#else

/*
 * The optimal byte mask counting is probably going to be something
 * that is architecture-specific. If you have a reliably fast
 * bit count instruction, that might be better than the multiply
 * and shift, for example.
 */
struct word_at_a_time {
	const unsigned long one_bits, high_bits;
};

#define WORD_AT_A_TIME_CONSTANTS { REPEAT_BYTE(0x01), REPEAT_BYTE(0x80) }

#ifdef CONFIG_64BIT

/*
 * Jan Achrenius on G+: microoptimized version of
 * the simpler "(mask & ONEBYTES) * ONEBYTES >> 56"
 * that works for the bytemasks without having to
 * mask them first.
 */
static inline long count_masked_bytes(unsigned long mask)
{
	return mask*0x0001020304050608ul >> 56;
}

#else	/* 32-bit case */

/* Carl Chatfield / Jan Achrenius G+ version for 32-bit */
static inline long count_masked_bytes(long mask)
{
	/* (000000 0000ff 00ffff ffffff) -> ( 1 1 2 3 ) */
	long a = (0x0ff0001+mask) >> 23;
	/* Fix the 1 for 00 case */
	return a & mask;
}

#endif

/* Return nonzero if it has a zero */
static inline unsigned long has_zero(unsigned long a, unsigned long *bits, const struct word_at_a_time *c)
{
	unsigned long mask = ((a - c->one_bits) & ~a) & c->high_bits;
	*bits = mask;
	return mask;
}

static inline unsigned long prep_zero_mask(unsigned long a, unsigned long bits, const struct word_at_a_time *c)
{
	return bits;
}

static inline unsigned long create_zero_mask(unsigned long bits)
{
	bits = (bits - 1) & ~bits;
	return bits >> 7;
}

/* The mask we created is directly usable as a bytemask */
#define zero_bytemask(mask) (mask)

static inline unsigned long find_zero(unsigned long mask)
{
	return count_masked_bytes(mask);
}

#endif /* __BIG_ENDIAN */

#endif /* _ASM_WORD_AT_A_TIME_H */