[net-next-2.6.git] / arch / sparc / include / asm / thread_info_64.h

/* thread_info.h: sparc64 low-level thread information
 *
 * Copyright (C) 2002  David S. Miller (davem@redhat.com)
 */

#ifndef _ASM_THREAD_INFO_H
#define _ASM_THREAD_INFO_H

#ifdef __KERNEL__

#define NSWINS		7

#define TI_FLAG_BYTE_FAULT_CODE		0
#define TI_FLAG_FAULT_CODE_SHIFT	56
#define TI_FLAG_BYTE_WSTATE		1
#define TI_FLAG_WSTATE_SHIFT		48
#define TI_FLAG_BYTE_CWP		2
#define TI_FLAG_CWP_SHIFT		40
#define TI_FLAG_BYTE_CURRENT_DS		3
#define TI_FLAG_CURRENT_DS_SHIFT	32
#define TI_FLAG_BYTE_FPDEPTH		4
#define TI_FLAG_FPDEPTH_SHIFT		24
#define TI_FLAG_BYTE_WSAVED		5
#define TI_FLAG_WSAVED_SHIFT		16

#include <asm/page.h>

#ifndef __ASSEMBLY__

#include <asm/ptrace.h>
#include <asm/types.h>

struct task_struct;
struct exec_domain;

struct thread_info {
	/* D$ line 1 */
	struct task_struct	*task;
	unsigned long		flags;
	__u8			fpsaved[7];
	__u8			status;
	unsigned long		ksp;

	/* D$ line 2 */
	unsigned long		fault_address;
	struct pt_regs		*kregs;
	struct exec_domain	*exec_domain;
	int			preempt_count;	/* 0 => preemptable, <0 => BUG */
	__u8			new_child;
	__u8			syscall_noerror;
	__u16			cpu;

	unsigned long		*utraps;

	struct reg_window 	reg_window[NSWINS];
	unsigned long 		rwbuf_stkptrs[NSWINS];

	unsigned long		gsr[7];
	unsigned long		xfsr[7];

	__u64			__user *user_cntd0;
	__u64			__user *user_cntd1;
	__u64			kernel_cntd0, kernel_cntd1;
	__u64			pcr_reg;

	struct restart_block	restart_block;

	struct pt_regs		*kern_una_regs;
	unsigned int		kern_una_insn;

	unsigned long		fpregs[0] __attribute__ ((aligned(64)));
};

#endif /* !(__ASSEMBLY__) */

/* offsets into the thread_info struct for assembly code access */
#define TI_TASK		0x00000000
#define TI_FLAGS	0x00000008
#define TI_FAULT_CODE	(TI_FLAGS + TI_FLAG_BYTE_FAULT_CODE)
#define TI_WSTATE	(TI_FLAGS + TI_FLAG_BYTE_WSTATE)
#define TI_CWP		(TI_FLAGS + TI_FLAG_BYTE_CWP)
#define TI_CURRENT_DS	(TI_FLAGS + TI_FLAG_BYTE_CURRENT_DS)
#define TI_FPDEPTH	(TI_FLAGS + TI_FLAG_BYTE_FPDEPTH)
#define TI_WSAVED	(TI_FLAGS + TI_FLAG_BYTE_WSAVED)
#define TI_FPSAVED	0x00000010
#define TI_KSP		0x00000018
#define TI_FAULT_ADDR	0x00000020
#define TI_KREGS	0x00000028
#define TI_EXEC_DOMAIN	0x00000030
#define TI_PRE_COUNT	0x00000038
#define TI_NEW_CHILD	0x0000003c
#define TI_SYS_NOERROR	0x0000003d
#define TI_CPU		0x0000003e
#define TI_UTRAPS	0x00000040
#define TI_REG_WINDOW	0x00000048
#define TI_RWIN_SPTRS	0x000003c8
#define TI_GSR		0x00000400
#define TI_XFSR		0x00000438
#define TI_USER_CNTD0	0x00000470
#define TI_USER_CNTD1	0x00000478
#define TI_KERN_CNTD0	0x00000480
#define TI_KERN_CNTD1	0x00000488
#define TI_PCR		0x00000490
#define TI_RESTART_BLOCK 0x00000498
#define TI_KUNA_REGS	0x000004c8
#define TI_KUNA_INSN	0x000004d0
#define TI_FPREGS	0x00000500

/* We embed this in the uppermost byte of thread_info->flags */
#define FAULT_CODE_WRITE	0x01	/* Write access, implies D-TLB	   */
#define FAULT_CODE_DTLB		0x02	/* Miss happened in D-TLB	   */
#define FAULT_CODE_ITLB		0x04	/* Miss happened in I-TLB	   */
#define FAULT_CODE_WINFIXUP	0x08	/* Miss happened during spill/fill */
#define FAULT_CODE_BLKCOMMIT	0x10	/* Use blk-commit ASI in copy_page */

#if PAGE_SHIFT == 13
#define THREAD_SIZE (2*PAGE_SIZE)
#define THREAD_SHIFT (PAGE_SHIFT + 1)
#else /* PAGE_SHIFT == 13 */
#define THREAD_SIZE PAGE_SIZE
#define THREAD_SHIFT PAGE_SHIFT
#endif /* PAGE_SHIFT == 13 */

#define PREEMPT_ACTIVE		0x4000000

/*
 * macros/functions for gaining access to the thread information structure
 *
 * preempt_count needs to be 1 initially, until the scheduler is functional.
 */
#ifndef __ASSEMBLY__

#define INIT_THREAD_INFO(tsk)				\
{							\
	.task		=	&tsk,			\
	.flags		= ((unsigned long)ASI_P) << TI_FLAG_CURRENT_DS_SHIFT,	\
	.exec_domain	=	&default_exec_domain,	\
	.preempt_count	=	1,			\
	.restart_block	= {				\
		.fn	=	do_no_restart_syscall,	\
	},						\
}

#define init_thread_info	(init_thread_union.thread_info)
#define init_stack		(init_thread_union.stack)

/* how to get the thread information struct from C */
register struct thread_info *current_thread_info_reg asm("g6");
#define current_thread_info()	(current_thread_info_reg)

/* thread information allocation */
#if PAGE_SHIFT == 13
#define __THREAD_INFO_ORDER	1
#else /* PAGE_SHIFT == 13 */
#define __THREAD_INFO_ORDER	0
#endif /* PAGE_SHIFT == 13 */

#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR

#ifdef CONFIG_DEBUG_STACK_USAGE
#define alloc_thread_info(tsk)					\
({								\
	struct thread_info *ret;				\
								\
	ret = (struct thread_info *)				\
	  __get_free_pages(GFP_KERNEL, __THREAD_INFO_ORDER);	\
	if (ret)						\
		memset(ret, 0, PAGE_SIZE<<__THREAD_INFO_ORDER);	\
	ret;							\
})
#else
#define alloc_thread_info(tsk) \
	((struct thread_info *)__get_free_pages(GFP_KERNEL, __THREAD_INFO_ORDER))
#endif

#define free_thread_info(ti) \
	free_pages((unsigned long)(ti),__THREAD_INFO_ORDER)

#define __thread_flag_byte_ptr(ti)	\
	((unsigned char *)(&((ti)->flags)))
#define __cur_thread_flag_byte_ptr	__thread_flag_byte_ptr(current_thread_info())

#define get_thread_fault_code()		(__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FAULT_CODE])
#define set_thread_fault_code(val)	(__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FAULT_CODE] = (val))
#define get_thread_wstate()		(__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSTATE])
#define set_thread_wstate(val)		(__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSTATE] = (val))
#define get_thread_cwp()		(__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CWP])
#define set_thread_cwp(val)		(__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CWP] = (val))
#define get_thread_current_ds()		(__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CURRENT_DS])
#define set_thread_current_ds(val)	(__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CURRENT_DS] = (val))
#define get_thread_fpdepth()		(__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FPDEPTH])
#define set_thread_fpdepth(val)		(__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FPDEPTH] = (val))
#define get_thread_wsaved()		(__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSAVED])
#define set_thread_wsaved(val)		(__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSAVED] = (val))

#endif /* !(__ASSEMBLY__) */

/*
 * Thread information flags, only 16 bits are available as we encode
 * other values into the upper 6 bytes.
 *
 * On trap return we need to test several values:
 *
 * user:	need_resched, notify_resume, sigpending, wsaved, perfctr
 * kernel:	fpdepth
 *
 * So to check for work in the kernel case we simply load the fpdepth
 * byte out of the flags and test it.  For the user case we encode the
 * lower 3 bytes of flags as follows:
 *	----------------------------------------
 *	| wsaved | flags byte 1 | flags byte 2 |
 *	----------------------------------------
 * This optimizes the user test into:
 *	ldx		[%g6 + TI_FLAGS], REG1
 *	sethi		%hi(_TIF_USER_WORK_MASK), REG2
 *	or		REG2, %lo(_TIF_USER_WORK_MASK), REG2
 *	andcc		REG1, REG2, %g0
 *	be,pt		no_work_to_do
 *	 nop
 */
#define TIF_SYSCALL_TRACE	0	/* syscall trace active */
#define TIF_NOTIFY_RESUME	1	/* callback before returning to user */
#define TIF_SIGPENDING		2	/* signal pending */
#define TIF_NEED_RESCHED	3	/* rescheduling necessary */
#define TIF_PERFCTR		4	/* performance counters active */
#define TIF_UNALIGNED		5	/* allowed to do unaligned accesses */
/* flag bit 6 is available */
#define TIF_32BIT		7	/* 32-bit binary */
/* flag bit 8 is available */
#define TIF_SECCOMP		9	/* secure computing */
#define TIF_SYSCALL_AUDIT	10	/* syscall auditing active */
/* flag bit 11 is available */
/* NOTE: Thread flags >= 12 should be ones we have no interest
 *       in using in assembly, else we can't use the mask as
 *       an immediate value in instructions such as andcc.
 */
#define TIF_ABI_PENDING		12
#define TIF_MEMDIE		13
#define TIF_POLLING_NRFLAG	14
#define TIF_FREEZE		15	/* is freezing for suspend */

#define _TIF_SYSCALL_TRACE	(1<<TIF_SYSCALL_TRACE)
#define _TIF_NOTIFY_RESUME	(1<<TIF_NOTIFY_RESUME)
#define _TIF_SIGPENDING		(1<<TIF_SIGPENDING)
#define _TIF_NEED_RESCHED	(1<<TIF_NEED_RESCHED)
#define _TIF_PERFCTR		(1<<TIF_PERFCTR)
#define _TIF_UNALIGNED		(1<<TIF_UNALIGNED)
#define _TIF_32BIT		(1<<TIF_32BIT)
#define _TIF_SECCOMP		(1<<TIF_SECCOMP)
#define _TIF_SYSCALL_AUDIT	(1<<TIF_SYSCALL_AUDIT)
#define _TIF_ABI_PENDING	(1<<TIF_ABI_PENDING)
#define _TIF_POLLING_NRFLAG	(1<<TIF_POLLING_NRFLAG)
#define _TIF_FREEZE		(1<<TIF_FREEZE)

#define _TIF_USER_WORK_MASK	((0xff << TI_FLAG_WSAVED_SHIFT) | \
				 _TIF_DO_NOTIFY_RESUME_MASK | \
				 _TIF_NEED_RESCHED | _TIF_PERFCTR)
#define _TIF_DO_NOTIFY_RESUME_MASK	(_TIF_NOTIFY_RESUME | _TIF_SIGPENDING)

/*
 * Thread-synchronous status.
 *
 * This is different from the flags in that nobody else
 * ever touches our thread-synchronous status, so we don't
 * have to worry about atomic accesses.
 *
 * Note that there are only 8 bits available.
 */
#define TS_RESTORE_SIGMASK	0x0001	/* restore signal mask in do_signal() */

#ifndef __ASSEMBLY__
#define HAVE_SET_RESTORE_SIGMASK	1
static inline void set_restore_sigmask(void)
{
	struct thread_info *ti = current_thread_info();
	ti->status |= TS_RESTORE_SIGMASK;
	set_bit(TIF_SIGPENDING, &ti->flags);
}
#endif	/* !__ASSEMBLY__ */

#endif /* __KERNEL__ */

#endif /* _ASM_THREAD_INFO_H */
Commit	Line	Data
f5e706ad SR	1	/* thread_info.h: sparc64 low-level thread information
	2	*
	3	* Copyright (C) 2002 David S. Miller (davem@redhat.com)
	4	*/
	5
	6	#ifndef _ASM_THREAD_INFO_H
	7	#define _ASM_THREAD_INFO_H
	8
	9	#ifdef __KERNEL__
	10
	11	#define NSWINS 7
	12
	13	#define TI_FLAG_BYTE_FAULT_CODE 0
	14	#define TI_FLAG_FAULT_CODE_SHIFT 56
	15	#define TI_FLAG_BYTE_WSTATE 1
	16	#define TI_FLAG_WSTATE_SHIFT 48
	17	#define TI_FLAG_BYTE_CWP 2
	18	#define TI_FLAG_CWP_SHIFT 40
	19	#define TI_FLAG_BYTE_CURRENT_DS 3
	20	#define TI_FLAG_CURRENT_DS_SHIFT 32
	21	#define TI_FLAG_BYTE_FPDEPTH 4
	22	#define TI_FLAG_FPDEPTH_SHIFT 24
	23	#define TI_FLAG_BYTE_WSAVED 5
	24	#define TI_FLAG_WSAVED_SHIFT 16
	25
	26	#include <asm/page.h>
	27
	28	#ifndef __ASSEMBLY__
	29
	30	#include <asm/ptrace.h>
	31	#include <asm/types.h>
	32
	33	struct task_struct;
	34	struct exec_domain;
	35
	36	struct thread_info {
	37	/* D$ line 1 */
	38	struct task_struct *task;
	39	unsigned long flags;
	40	__u8 fpsaved[7];
	41	__u8 status;
	42	unsigned long ksp;
	43
	44	/* D$ line 2 */
	45	unsigned long fault_address;
	46	struct pt_regs *kregs;
	47	struct exec_domain *exec_domain;
	48	int preempt_count; /* 0 => preemptable, <0 => BUG */
	49	__u8 new_child;
	50	__u8 syscall_noerror;
	51	__u16 cpu;
	52
	53	unsigned long *utraps;
	54
	55	struct reg_window reg_window[NSWINS];
	56	unsigned long rwbuf_stkptrs[NSWINS];
	57
	58	unsigned long gsr[7];
	59	unsigned long xfsr[7];
	60
	61	__u64 __user *user_cntd0;
	62	__u64 __user *user_cntd1;
	63	__u64 kernel_cntd0, kernel_cntd1;
	64	__u64 pcr_reg;
65
66	struct restart_block restart_block;
67
68	struct pt_regs *kern_una_regs;
69	unsigned int kern_una_insn;
70
71	unsigned long fpregs[0] __attribute__ ((aligned(64)));
72	};
73
74	#endif /* !(__ASSEMBLY__) */
75
76	/* offsets into the thread_info struct for assembly code access */
77	#define TI_TASK 0x00000000
78	#define TI_FLAGS 0x00000008
79	#define TI_FAULT_CODE (TI_FLAGS + TI_FLAG_BYTE_FAULT_CODE)
80	#define TI_WSTATE (TI_FLAGS + TI_FLAG_BYTE_WSTATE)
81	#define TI_CWP (TI_FLAGS + TI_FLAG_BYTE_CWP)
82	#define TI_CURRENT_DS (TI_FLAGS + TI_FLAG_BYTE_CURRENT_DS)
83	#define TI_FPDEPTH (TI_FLAGS + TI_FLAG_BYTE_FPDEPTH)
84	#define TI_WSAVED (TI_FLAGS + TI_FLAG_BYTE_WSAVED)
85	#define TI_FPSAVED 0x00000010
86	#define TI_KSP 0x00000018
87	#define TI_FAULT_ADDR 0x00000020
88	#define TI_KREGS 0x00000028
89	#define TI_EXEC_DOMAIN 0x00000030
90	#define TI_PRE_COUNT 0x00000038
91	#define TI_NEW_CHILD 0x0000003c
92	#define TI_SYS_NOERROR 0x0000003d
93	#define TI_CPU 0x0000003e
94	#define TI_UTRAPS 0x00000040
95	#define TI_REG_WINDOW 0x00000048
96	#define TI_RWIN_SPTRS 0x000003c8
97	#define TI_GSR 0x00000400
98	#define TI_XFSR 0x00000438
99	#define TI_USER_CNTD0 0x00000470
100	#define TI_USER_CNTD1 0x00000478
101	#define TI_KERN_CNTD0 0x00000480
102	#define TI_KERN_CNTD1 0x00000488
103	#define TI_PCR 0x00000490
104	#define TI_RESTART_BLOCK 0x00000498
d2de6888 SR	105	#define TI_KUNA_REGS 0x000004c8
d2de6888 SR	106	#define TI_KUNA_INSN 0x000004d0
f5e706ad SR	107	#define TI_FPREGS 0x00000500
	108
	109	/* We embed this in the uppermost byte of thread_info->flags */
	110	#define FAULT_CODE_WRITE 0x01 /* Write access, implies D-TLB */
	111	#define FAULT_CODE_DTLB 0x02 /* Miss happened in D-TLB */
	112	#define FAULT_CODE_ITLB 0x04 /* Miss happened in I-TLB */
	113	#define FAULT_CODE_WINFIXUP 0x08 /* Miss happened during spill/fill */
	114	#define FAULT_CODE_BLKCOMMIT 0x10 /* Use blk-commit ASI in copy_page */
	115
	116	#if PAGE_SHIFT == 13
	117	#define THREAD_SIZE (2*PAGE_SIZE)
	118	#define THREAD_SHIFT (PAGE_SHIFT + 1)
	119	#else /* PAGE_SHIFT == 13 */
	120	#define THREAD_SIZE PAGE_SIZE
	121	#define THREAD_SHIFT PAGE_SHIFT
	122	#endif /* PAGE_SHIFT == 13 */
	123
	124	#define PREEMPT_ACTIVE 0x4000000
	125
	126	/*
	127	* macros/functions for gaining access to the thread information structure
	128	*
	129	* preempt_count needs to be 1 initially, until the scheduler is functional.
	130	*/
	131	#ifndef __ASSEMBLY__
	132
	133	#define INIT_THREAD_INFO(tsk) \
	134	{ \
	135	.task = &tsk, \
	136	.flags = ((unsigned long)ASI_P) << TI_FLAG_CURRENT_DS_SHIFT, \
	137	.exec_domain = &default_exec_domain, \
	138	.preempt_count = 1, \
	139	.restart_block = { \
	140	.fn = do_no_restart_syscall, \
	141	}, \
	142	}
	143
	144	#define init_thread_info (init_thread_union.thread_info)
	145	#define init_stack (init_thread_union.stack)
	146
	147	/* how to get the thread information struct from C */
	148	register struct thread_info *current_thread_info_reg asm("g6");
	149	#define current_thread_info() (current_thread_info_reg)
	150
	151	/* thread information allocation */
	152	#if PAGE_SHIFT == 13
	153	#define __THREAD_INFO_ORDER 1
	154	#else /* PAGE_SHIFT == 13 */
	155	#define __THREAD_INFO_ORDER 0
	156	#endif /* PAGE_SHIFT == 13 */
	157
b69c49b7 FT	158	#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
b69c49b7 FT	159
f5e706ad SR	160	#ifdef CONFIG_DEBUG_STACK_USAGE
	161	#define alloc_thread_info(tsk) \
	162	({ \
	163	struct thread_info *ret; \
	164	\
	165	ret = (struct thread_info *) \
	166	__get_free_pages(GFP_KERNEL, __THREAD_INFO_ORDER); \
	167	if (ret) \
	168	memset(ret, 0, PAGE_SIZE<<__THREAD_INFO_ORDER); \
	169	ret; \
	170	})
	171	#else
	172	#define alloc_thread_info(tsk) \
	173	((struct thread_info *)__get_free_pages(GFP_KERNEL, __THREAD_INFO_ORDER))
	174	#endif
	175
	176	#define free_thread_info(ti) \
	177	free_pages((unsigned long)(ti),__THREAD_INFO_ORDER)
	178
	179	#define __thread_flag_byte_ptr(ti) \
	180	((unsigned char *)(&((ti)->flags)))
	181	#define __cur_thread_flag_byte_ptr __thread_flag_byte_ptr(current_thread_info())
	182
	183	#define get_thread_fault_code() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FAULT_CODE])
	184	#define set_thread_fault_code(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FAULT_CODE] = (val))
	185	#define get_thread_wstate() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSTATE])
	186	#define set_thread_wstate(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSTATE] = (val))
	187	#define get_thread_cwp() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CWP])
	188	#define set_thread_cwp(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CWP] = (val))
	189	#define get_thread_current_ds() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CURRENT_DS])
	190	#define set_thread_current_ds(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CURRENT_DS] = (val))
	191	#define get_thread_fpdepth() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FPDEPTH])
	192	#define set_thread_fpdepth(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FPDEPTH] = (val))
	193	#define get_thread_wsaved() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSAVED])
	194	#define set_thread_wsaved(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSAVED] = (val))
	195
	196	#endif /* !(__ASSEMBLY__) */
	197
	198	/*
	199	* Thread information flags, only 16 bits are available as we encode
	200	* other values into the upper 6 bytes.
	201	*
	202	* On trap return we need to test several values:
	203	*
	204	* user: need_resched, notify_resume, sigpending, wsaved, perfctr
	205	* kernel: fpdepth
	206	*
	207	* So to check for work in the kernel case we simply load the fpdepth
	208	* byte out of the flags and test it. For the user case we encode the
	209	* lower 3 bytes of flags as follows:
	210	* ----------------------------------------
	211	* \| wsaved \| flags byte 1 \| flags byte 2 \|
	212	* ----------------------------------------
	213	* This optimizes the user test into:
	214	* ldx [%g6 + TI_FLAGS], REG1
	215	* sethi %hi(_TIF_USER_WORK_MASK), REG2
	216	* or REG2, %lo(_TIF_USER_WORK_MASK), REG2
	217	* andcc REG1, REG2, %g0
	218	* be,pt no_work_to_do
	219	* nop
	220	*/
	221	#define TIF_SYSCALL_TRACE 0 /* syscall trace active */
e35a8925	222	#define TIF_NOTIFY_RESUME 1 /* callback before returning to user */
f5e706ad SR	223	#define TIF_SIGPENDING 2 /* signal pending */
	224	#define TIF_NEED_RESCHED 3 /* rescheduling necessary */
	225	#define TIF_PERFCTR 4 /* performance counters active */
	226	#define TIF_UNALIGNED 5 /* allowed to do unaligned accesses */
	227	/* flag bit 6 is available */
	228	#define TIF_32BIT 7 /* 32-bit binary */
	229	/* flag bit 8 is available */
	230	#define TIF_SECCOMP 9 /* secure computing */
	231	#define TIF_SYSCALL_AUDIT 10 /* syscall auditing active */
	232	/* flag bit 11 is available */
	233	/* NOTE: Thread flags >= 12 should be ones we have no interest
	234	* in using in assembly, else we can't use the mask as
	235	* an immediate value in instructions such as andcc.
	236	*/
	237	#define TIF_ABI_PENDING 12
	238	#define TIF_MEMDIE 13
	239	#define TIF_POLLING_NRFLAG 14
83224b08	240	#define TIF_FREEZE 15 /* is freezing for suspend */
f5e706ad SR	241
f5e706ad SR	242	#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
e35a8925	243	#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME)
f5e706ad SR	244	#define _TIF_SIGPENDING (1<<TIF_SIGPENDING)
	245	#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED)
	246	#define _TIF_PERFCTR (1<<TIF_PERFCTR)
	247	#define _TIF_UNALIGNED (1<<TIF_UNALIGNED)
	248	#define _TIF_32BIT (1<<TIF_32BIT)
	249	#define _TIF_SECCOMP (1<<TIF_SECCOMP)
	250	#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT)
	251	#define _TIF_ABI_PENDING (1<<TIF_ABI_PENDING)
	252	#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
83224b08	253	#define _TIF_FREEZE (1<<TIF_FREEZE)
f5e706ad SR	254
f5e706ad SR	255	#define _TIF_USER_WORK_MASK ((0xff << TI_FLAG_WSAVED_SHIFT) \| \
e35a8925 RM	256	_TIF_DO_NOTIFY_RESUME_MASK \| \
	257	_TIF_NEED_RESCHED \| _TIF_PERFCTR)
	258	#define _TIF_DO_NOTIFY_RESUME_MASK (_TIF_NOTIFY_RESUME \| _TIF_SIGPENDING)
f5e706ad SR	259
	260	/*
	261	* Thread-synchronous status.
	262	*
	263	* This is different from the flags in that nobody else
	264	* ever touches our thread-synchronous status, so we don't
	265	* have to worry about atomic accesses.
	266	*
	267	* Note that there are only 8 bits available.
	268	*/
	269	#define TS_RESTORE_SIGMASK 0x0001 /* restore signal mask in do_signal() */
	270
	271	#ifndef __ASSEMBLY__
	272	#define HAVE_SET_RESTORE_SIGMASK 1
	273	static inline void set_restore_sigmask(void)
	274	{
	275	struct thread_info *ti = current_thread_info();
	276	ti->status \|= TS_RESTORE_SIGMASK;
	277	set_bit(TIF_SIGPENDING, &ti->flags);
	278	}
	279	#endif /* !__ASSEMBLY__ */
	280
	281	#endif /* __KERNEL__ */
	282
	283	#endif /* _ASM_THREAD_INFO_H */