FM / asm

/usr/src/linux-headers-5.15.0-181/arch/alpha/include/uapi/asm/

/usr/src/linux-headers-5.15.0-181/arch/alpha/include/uapi/asm

Name	Size	Mode	Actions
a.out.h	2052	0644	edit dl rm
auxvec.h	774	0644	edit dl rm
bitsperlong.h	237	0644	edit dl rm
byteorder.h	194	0644	edit dl rm
compiler.h	4220	0644	edit dl rm
console.h	1180	0644	edit dl rm
errno.h	5434	0644	edit dl rm
fcntl.h	1908	0644	edit dl rm
fpu.h	4630	0644	edit dl rm
gentrap.h	1462	0644	edit dl rm
ioctl.h	2355	0644	edit dl rm
ioctls.h	4500	0644	edit dl rm
Kbuild	62	0644	edit dl rm
mman.h	3755	0644	edit dl rm
pal.h	1035	0644	edit dl rm
param.h	313	0644	edit dl rm
posix_types.h	513	0644	edit dl rm
ptrace.h	1776	0644	edit dl rm
reg.h	1005	0644	edit dl rm
regdef.h	1067	0644	edit dl rm
resource.h	761	0644	edit dl rm
setup.h	187	0644	edit dl rm
sigcontext.h	891	0644	edit dl rm
siginfo.h	155	0644	edit dl rm
signal.h	2595	0644	edit dl rm
socket.h	3912	0644	edit dl rm
sockios.h	505	0644	edit dl rm
stat.h	1075	0644	edit dl rm
statfs.h	314	0644	edit dl rm
swab.h	1276	0644	edit dl rm
sysinfo.h	775	0644	edit dl rm
termbits.h	5313	0644	edit dl rm
termios.h	1529	0644	edit dl rm
types.h	884	0644	edit dl rm
unistd.h	516	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-181/arch/alpha/include/uapi/asm/swab.h (1276B)

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _ALPHA_SWAB_H
#define _ALPHA_SWAB_H

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

#ifdef __GNUC__

static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
{
	/*
	 * Unfortunately, we can't use the 6 instruction sequence
	 * on ev6 since the latency of the UNPKBW is 3, which is
	 * pretty hard to hide.  Just in case a future implementation
	 * has a lower latency, here's the sequence (also by Mike Burrows)
	 *
	 * UNPKBW a0, v0       v0: 00AA00BB00CC00DD
	 * SLL v0, 24, a0      a0: BB00CC00DD000000
	 * BIS v0, a0, a0      a0: BBAACCBBDDCC00DD
	 * EXTWL a0, 6, v0     v0: 000000000000BBAA
	 * ZAP a0, 0xf3, a0    a0: 00000000DDCC0000
	 * ADDL a0, v0, v0     v0: ssssssssDDCCBBAA
	 */

__u64 t0, t1, t2, t3;

t0 = __kernel_inslh(x, 7);	/* t0 : 0000000000AABBCC */
	t1 = __kernel_inswl(x, 3);	/* t1 : 000000CCDD000000 */
	t1 |= t0;			/* t1 : 000000CCDDAABBCC */
	t2 = t1 >> 16;			/* t2 : 0000000000CCDDAA */
	t0 = t1 & 0xFF00FF00;		/* t0 : 00000000DD00BB00 */
	t3 = t2 & 0x00FF00FF;		/* t3 : 0000000000CC00AA */
	t1 = t0 + t3;			/* t1 : ssssssssDDCCBBAA */

return t1;
}
#define __arch_swab32 __arch_swab32

#endif /* __GNUC__ */

#endif /* _ALPHA_SWAB_H */

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ALPHA_SWAB_H #define _ALPHA_SWAB_H #include #include #include #ifdef __GNUC__ static inline __attribute_const__ __u32 __arch_swab32(__u32 x) { /* * Unfortunately, we can't use the 6 instruction sequence * on ev6 since the latency of the UNPKBW is 3, which is * pretty hard to hide. Just in case a future implementation * has a lower latency, here's the sequence (also by Mike Burrows) * * UNPKBW a0, v0 v0: 00AA00BB00CC00DD * SLL v0, 24, a0 a0: BB00CC00DD000000 * BIS v0, a0, a0 a0: BBAACCBBDDCC00DD * EXTWL a0, 6, v0 v0: 000000000000BBAA * ZAP a0, 0xf3, a0 a0: 00000000DDCC0000 * ADDL a0, v0, v0 v0: ssssssssDDCCBBAA */ __u64 t0, t1, t2, t3; t0 = __kernel_inslh(x, 7); /* t0 : 0000000000AABBCC */ t1 = __kernel_inswl(x, 3); /* t1 : 000000CCDD000000 */ t1 |= t0; /* t1 : 000000CCDDAABBCC */ t2 = t1 >> 16; /* t2 : 0000000000CCDDAA */ t0 = t1 & 0xFF00FF00; /* t0 : 00000000DD00BB00 */ t3 = t2 & 0x00FF00FF; /* t3 : 0000000000CC00AA */ t1 = t0 + t3; /* t1 : ssssssssDDCCBBAA */ return t1; } #define __arch_swab32 __arch_swab32 #endif /* __GNUC__ */ #endif /* _ALPHA_SWAB_H */