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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _SPARC64_PSRCOMPAT_H
#define _SPARC64_PSRCOMPAT_H

#include <asm/pstate.h>

/* Old 32-bit PSR fields for the compatibility conversion code. */
#define PSR_CWP     0x0000001f         /* current window pointer     */
#define PSR_ET      0x00000020         /* enable traps field         */
#define PSR_PS      0x00000040         /* previous privilege level   */
#define PSR_S       0x00000080         /* current privilege level    */
#define PSR_PIL     0x00000f00         /* processor interrupt level  */
#define PSR_EF      0x00001000         /* enable floating point      */
#define PSR_EC      0x00002000         /* enable co-processor        */
#define PSR_SYSCALL 0x00004000         /* inside of a syscall        */
#define PSR_LE      0x00008000         /* SuperSparcII little-endian */
#define PSR_ICC     0x00f00000         /* integer condition codes    */
#define PSR_C       0x00100000         /* carry bit                  */
#define PSR_V       0x00200000         /* overflow bit               */
#define PSR_Z       0x00400000         /* zero bit                   */
#define PSR_N       0x00800000         /* negative bit               */
#define PSR_VERS    0x0f000000         /* cpu-version field          */
#define PSR_IMPL    0xf0000000         /* cpu-implementation field   */

#define PSR_V8PLUS  0xff000000         /* fake impl/ver, meaning a 64bit CPU is present */
#define PSR_XCC	    0x000f0000         /* if PSR_V8PLUS, this is %xcc */

static inline unsigned int tstate_to_psr(unsigned long tstate)
{
	return ((tstate & TSTATE_CWP)			|
		PSR_S					|
		((tstate & TSTATE_ICC) >> 12)		|
		((tstate & TSTATE_XCC) >> 20)		|
		((tstate & TSTATE_SYSCALL) ? PSR_SYSCALL : 0) |
		PSR_V8PLUS);
}

static inline unsigned long psr_to_tstate_icc(unsigned int psr)
{
	unsigned long tstate = ((unsigned long)(psr & PSR_ICC)) << 12;
	if ((psr & (PSR_VERS|PSR_IMPL)) == PSR_V8PLUS)
		tstate |= ((unsigned long)(psr & PSR_XCC)) << 20;
	return tstate;
}

#endif /* !(_SPARC64_PSRCOMPAT_H) */

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Name Type Size Permission Actions
Kbuild File 122 B 0644
apc.h File 1.7 KB 0644
asi.h File 14.73 KB 0644
auxvec.h File 153 B 0644
bitsperlong.h File 324 B 0644
byteorder.h File 191 B 0644
display7seg.h File 1.9 KB 0644
envctrl.h File 3.41 KB 0644
errno.h File 5.41 KB 0644
fbio.h File 7.72 KB 0644
fcntl.h File 1.75 KB 0644
ioctl.h File 2.58 KB 0644
ioctls.h File 5.87 KB 0644
ipcbuf.h File 776 B 0644
jsflash.h File 928 B 0644
kvm_para.h File 97 B 0644
mman.h File 1.22 KB 0644
msgbuf.h File 1.12 KB 0644
openpromio.h File 2.13 KB 0644
param.h File 253 B 0644
perfctr.h File 5.56 KB 0644
poll.h File 273 B 0644
posix_types.h File 1.48 KB 0644
psr.h File 2.21 KB 0644
psrcompat.h File 2.02 KB 0644
pstate.h File 5.81 KB 0644
ptrace.h File 8.03 KB 0644
resource.h File 770 B 0644
sembuf.h File 877 B 0644
setup.h File 310 B 0644
shmbuf.h File 1.3 KB 0644
sigcontext.h File 167 B 0644
siginfo.h File 670 B 0644
signal.h File 4.62 KB 0644
socket.h File 2.44 KB 0644
sockios.h File 435 B 0644
stat.h File 1.97 KB 0644
statfs.h File 164 B 0644
swab.h File 1.01 KB 0644
termbits.h File 6.92 KB 0644
termios.h File 742 B 0644
traps.h File 5.15 KB 0644
uctx.h File 1.39 KB 0644
unistd.h File 25.3 KB 0644
utrap.h File 1.5 KB 0644
watchdog.h File 1 KB 0644