/*
 * lz4defs.h -- architecture specific defines
 *
 * Copyright (C) 2013, LG Electronics, Kyungsik Lee <kyungsik.lee@lge.com>
 *
 * 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.
 */

/*
 * Detects 64 bits mode
 */
#if defined(CONFIG_64BIT)
#define LZ4_ARCH64 1
#else
#define LZ4_ARCH64 0
#endif

/*
 * Architecture-specific macros
 */
#define BYTE	u8
typedef struct _U16_S { u16 v; } U16_S;
typedef struct _U32_S { u32 v; } U32_S;
typedef struct _U64_S { u64 v; } U64_S;
#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS)

#define A16(x) (((U16_S *)(x))->v)
#define A32(x) (((U32_S *)(x))->v)
#define A64(x) (((U64_S *)(x))->v)

#define PUT4(s, d) (A32(d) = A32(s))
#define PUT8(s, d) (A64(d) = A64(s))

#define LZ4_READ_LITTLEENDIAN_16(d, s, p)	\
	(d = s - A16(p))

#define LZ4_WRITE_LITTLEENDIAN_16(p, v)	\
	do {	\
		A16(p) = v; \
		p += 2; \
	} while (0)
#else /* CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS */

#define A64(x) get_unaligned((u64 *)&(((U16_S *)(x))->v))
#define A32(x) get_unaligned((u32 *)&(((U16_S *)(x))->v))
#define A16(x) get_unaligned((u16 *)&(((U16_S *)(x))->v))

#define PUT4(s, d) \
	put_unaligned(get_unaligned((const u32 *) s), (u32 *) d)
#define PUT8(s, d) \
	put_unaligned(get_unaligned((const u64 *) s), (u64 *) d)

#define LZ4_READ_LITTLEENDIAN_16(d, s, p)	\
	(d = s - get_unaligned_le16(p))

#define LZ4_WRITE_LITTLEENDIAN_16(p, v)			\
	do {						\
		put_unaligned_le16(v, (u16 *)(p));	\
		p += 2;					\
	} while (0)
#endif

#define COPYLENGTH 8
#define ML_BITS  4
#define ML_MASK  ((1U << ML_BITS) - 1)
#define RUN_BITS (8 - ML_BITS)
#define RUN_MASK ((1U << RUN_BITS) - 1)
#define MEMORY_USAGE	14
#define MINMATCH	4
#define SKIPSTRENGTH	6
#define LASTLITERALS	5
#define MFLIMIT		(COPYLENGTH + MINMATCH)
#define MINLENGTH	(MFLIMIT + 1)
#define MAXD_LOG	16
#define MAXD		(1 << MAXD_LOG)
#define MAXD_MASK	(u32)(MAXD - 1)
#define MAX_DISTANCE	(MAXD - 1)
#define HASH_LOG	(MAXD_LOG - 1)
#define HASHTABLESIZE	(1 << HASH_LOG)
#define MAX_NB_ATTEMPTS	256
#define OPTIMAL_ML	(int)((ML_MASK-1)+MINMATCH)
#define LZ4_64KLIMIT	((1<<16) + (MFLIMIT - 1))
#define HASHLOG64K	((MEMORY_USAGE - 2) + 1)
#define HASH64KTABLESIZE	(1U << HASHLOG64K)
#define LZ4_HASH_VALUE(p)	(((A32(p)) * 2654435761U) >> \
				((MINMATCH * 8) - (MEMORY_USAGE-2)))
#define LZ4_HASH64K_VALUE(p)	(((A32(p)) * 2654435761U) >> \
				((MINMATCH * 8) - HASHLOG64K))
#define HASH_VALUE(p)		(((A32(p)) * 2654435761U) >> \
				((MINMATCH * 8) - HASH_LOG))

#if LZ4_ARCH64/* 64-bit */
#define STEPSIZE 8

#define LZ4_COPYSTEP(s, d)	\
	do {			\
		PUT8(s, d);	\
		d += 8;		\
		s += 8;		\
	} while (0)

#define LZ4_COPYPACKET(s, d)	LZ4_COPYSTEP(s, d)

#define LZ4_SECURECOPY(s, d, e)			\
	do {					\
		if (d < e) {			\
			LZ4_WILDCOPY(s, d, e);	\
		}				\
	} while (0)
#define HTYPE u32

#ifdef __BIG_ENDIAN
#define LZ4_NBCOMMONBYTES(val) (__builtin_clzll(val) >> 3)
#else
#define LZ4_NBCOMMONBYTES(val) (__builtin_ctzll(val) >> 3)
#endif

#else	/* 32-bit */
#define STEPSIZE 4

#define LZ4_COPYSTEP(s, d)	\
	do {			\
		PUT4(s, d);	\
		d += 4;		\
		s += 4;		\
	} while (0)

#define LZ4_COPYPACKET(s, d)		\
	do {				\
		LZ4_COPYSTEP(s, d);	\
		LZ4_COPYSTEP(s, d);	\
	} while (0)

#define LZ4_SECURECOPY	LZ4_WILDCOPY
#define HTYPE const u8*

#ifdef __BIG_ENDIAN
#define LZ4_NBCOMMONBYTES(val) (__builtin_clz(val) >> 3)
#else
#define LZ4_NBCOMMONBYTES(val) (__builtin_ctz(val) >> 3)
#endif

#endif

#define LZ4_WILDCOPY(s, d, e)		\
	do {				\
		LZ4_COPYPACKET(s, d);	\
	} while (d < e)

#define LZ4_BLINDCOPY(s, d, l)	\
	do {	\
		u8 *e = (d) + l;	\
		LZ4_WILDCOPY(s, d, e);	\
		d = e;	\
	} while (0)
/tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-02-03 13:46:38 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-02-03 13:46:38 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/legacy/inode.c?id=3f67790d2b7e322bcf363ec717085dd78c3ea7cd'>3f67790d2b7e322bcf363ec717085dd78c3ea7cd</a> (<a href='/cgit.cgi/linux/net-next.git/patch/drivers/usb/gadget/legacy/inode.c?id=3f67790d2b7e322bcf363ec717085dd78c3ea7cd'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=3f67790d2b7e322bcf363ec717085dd78c3ea7cd'>7be20232078a2e801ed93bcdb72f0d955dd9836f</a> /<a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/gadget/legacy/inode.c?id=3f67790d2b7e322bcf363ec717085dd78c3ea7cd'>drivers/usb/gadget/legacy/inode.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/legacy/inode.c?id=cd44691f7177b2c1e1509d1a17d9b198ebaa34eb'>cd44691f7177b2c1e1509d1a17d9b198ebaa34eb</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/gadget/legacy/inode.c?id=3f67790d2b7e322bcf363ec717085dd78c3ea7cd&amp;id2=cd44691f7177b2c1e1509d1a17d9b198ebaa34eb'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/gadget/legacy/inode.c?id=206c4720092d2a24bfefc041b377e889a220ffbf'>206c4720092d2a24bfefc041b377e889a220ffbf</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/gadget/legacy/inode.c?id=3f67790d2b7e322bcf363ec717085dd78c3ea7cd&amp;id2=206c4720092d2a24bfefc041b377e889a220ffbf'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge tag 'regulator-fix-v4.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator</div><div class='commit-msg'>Pull regulator fixes from Mark Brown:
 "Three changes here: two run of the mill driver specific fixes and a
  change from Mark Rutland which reverts some new device specific ACPI
  binding code which was added during the merge window as there are
  concerns about this sending the wrong signal about usage of regulators
  in ACPI systems"

* tag 'regulator-fix-v4.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: fixed: Revert support for ACPI interface
  regulator: axp20x: AXP806: Fix dcdcb being set instead of dcdce
  regulator: twl6030: fix range comparison, allowing vsel = 59
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=3f67790d2b7e322bcf363ec717085dd78c3ea7cd'>Diffstat</a> (limited to 'drivers/usb/gadget/legacy/inode.c')</div><table summary='diffstat' class='diffstat'>