1 files changed, 94 insertions, 0 deletions
diff --git a/include/asm-ia64/thread_info.h b/include/asm-ia64/thread_info.h
new file mode 100644
index 000000000000..8d5b7e77028c
--- /dev/null
+++ b/include/asm-ia64/thread_info.h
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2002-2003 Hewlett-Packard Co
+ *      David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+#ifndef _ASM_IA64_THREAD_INFO_H
+#define _ASM_IA64_THREAD_INFO_H
+#include <asm/offsets.h>
+#include <asm/processor.h>
+#include <asm/ptrace.h>
+#define PREEMPT_ACTIVE_BIT 30
+#define PREEMPT_ACTIVE  (1 << PREEMPT_ACTIVE_BIT)
+#ifndef __ASSEMBLY__
+/*
+ * On IA-64, we want to keep the task structure and kernel stack together, so they can be
+ * mapped by a single TLB entry and so they can be addressed by the "current" pointer
+ * without having to do pointer masking.
+ */
+struct thread_info {
+        struct task_struct *task;       /* XXX not really needed, except for dup_task_struct() */
+        struct exec_domain *exec_domain;/* execution domain */
+        __u32 flags;                    /* thread_info flags (see TIF_*) */
+        __u32 cpu;                      /* current CPU */
+        mm_segment_t addr_limit;        /* user-level address space limit */
+        __s32 preempt_count;            /* 0=premptable, <0=BUG; will also serve as bh-counter */
+        struct restart_block restart_block;
+        struct {
+                int signo;
+                int code;
+                void __user *addr;
+                unsigned long start_time;
+                pid_t pid;
+        } sigdelayed;                   /* Saved information for TIF_SIGDELAYED */
+};
+#define THREAD_SIZE                     KERNEL_STACK_SIZE
+#define INIT_THREAD_INFO(tsk)                   \
+{                                               \
+        .task           = &tsk,                 \
+        .exec_domain    = &default_exec_domain, \
+        .flags          = 0,                    \
+        .cpu            = 0,                    \
+        .addr_limit     = KERNEL_DS,            \
+        .preempt_count  = 0,                    \
+        .restart_block = {                      \
+                .fn = do_no_restart_syscall,    \
+        },                                      \
+}
+/* how to get the thread information struct from C */
+#define current_thread_info()   ((struct thread_info *) ((char *) current + IA64_TASK_SIZE))
+#define alloc_thread_info(tsk)  ((struct thread_info *) ((char *) (tsk) + IA64_TASK_SIZE))
+#define free_thread_info(ti)    /* nothing */
+#define __HAVE_ARCH_TASK_STRUCT_ALLOCATOR
+#define alloc_task_struct()     ((task_t *)__get_free_pages(GFP_KERNEL, KERNEL_STACK_SIZE_ORDER))
+#define free_task_struct(tsk)   free_pages((unsigned long) (tsk), KERNEL_STACK_SIZE_ORDER)
+#endif /* !__ASSEMBLY */
+/*
+ * thread information flags
+ * - these are process state flags that various assembly files may need to access
+ * - pending work-to-be-done flags are in least-significant 16 bits, other flags
+ *   in top 16 bits
+ */
+#define TIF_NOTIFY_RESUME       0       /* resumption notification requested */
+#define TIF_SIGPENDING          1       /* signal pending */
+#define TIF_NEED_RESCHED        2       /* rescheduling necessary */
+#define TIF_SYSCALL_TRACE       3       /* syscall trace active */
+#define TIF_SYSCALL_AUDIT       4       /* syscall auditing active */
+#define TIF_SIGDELAYED          5       /* signal delayed from MCA/INIT/NMI/PMI context */
+#define TIF_POLLING_NRFLAG      16      /* true if poll_idle() is polling TIF_NEED_RESCHED */
+#define TIF_MEMDIE              17
+#define _TIF_SYSCALL_TRACE      (1 << TIF_SYSCALL_TRACE)
+#define _TIF_SYSCALL_AUDIT      (1 << TIF_SYSCALL_AUDIT)
+#define _TIF_SYSCALL_TRACEAUDIT (_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT)
+#define _TIF_NOTIFY_RESUME      (1 << TIF_NOTIFY_RESUME)
+#define _TIF_SIGPENDING         (1 << TIF_SIGPENDING)
+#define _TIF_NEED_RESCHED       (1 << TIF_NEED_RESCHED)
+#define _TIF_SIGDELAYED (1 << TIF_SIGDELAYED)
+#define _TIF_POLLING_NRFLAG     (1 << TIF_POLLING_NRFLAG)
+/* "work to do on user-return" bits */
+#define TIF_ALLWORK_MASK        (_TIF_NOTIFY_RESUME|_TIF_SIGPENDING|_TIF_NEED_RESCHED|_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SIGDELAYED)
+/* like TIF_ALLWORK_BITS but sans TIF_SYSCALL_TRACE or TIF_SYSCALL_AUDIT */
+#define TIF_WORK_MASK           (TIF_ALLWORK_MASK&~(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT))
+#endif /* _ASM_IA64_THREAD_INFO_H */

diff --git a/include/asm-ia64/thread_info.h b/include/asm-ia64/thread_info.h new file mode 100644 index 000000000000..8d5b7e77028c --- /dev/null +++ b/include/asm-ia64/thread_info.h
@@ -0,0 +1,94 @@
	1	/*
	2	* Copyright (C) 2002-2003 Hewlett-Packard Co
	3	* David Mosberger-Tang <davidm@hpl.hp.com>
	4	*/
	5	#ifndef _ASM_IA64_THREAD_INFO_H
	6	#define _ASM_IA64_THREAD_INFO_H
	7
	8	#include <asm/offsets.h>
	9	#include <asm/processor.h>
	10	#include <asm/ptrace.h>
	11
	12	#define PREEMPT_ACTIVE_BIT 30
	13	#define PREEMPT_ACTIVE (1 << PREEMPT_ACTIVE_BIT)
	14
	15	#ifndef __ASSEMBLY__
	16
	17	/*
	18	* On IA-64, we want to keep the task structure and kernel stack together, so they can be
	19	* mapped by a single TLB entry and so they can be addressed by the "current" pointer
	20	* without having to do pointer masking.
	21	*/
	22	struct thread_info {
	23	struct task_struct task; / XXX not really needed, except for dup_task_struct() */
	24	struct exec_domain exec_domain;/ execution domain */
	25	__u32 flags; /* thread_info flags (see TIF_) /
	26	__u32 cpu; /* current CPU */
	27	mm_segment_t addr_limit; /* user-level address space limit */
	28	__s32 preempt_count; /* 0=premptable, <0=BUG; will also serve as bh-counter */
	29	struct restart_block restart_block;
	30	struct {
	31	int signo;
	32	int code;
	33	void __user *addr;
	34	unsigned long start_time;
	35	pid_t pid;
	36	} sigdelayed; /* Saved information for TIF_SIGDELAYED */
	37	};
	38
	39	#define THREAD_SIZE KERNEL_STACK_SIZE
	40
	41	#define INIT_THREAD_INFO(tsk) \
	42	{ \
	43	.task = &tsk, \
	44	.exec_domain = &default_exec_domain, \
	45	.flags = 0, \
	46	.cpu = 0, \
	47	.addr_limit = KERNEL_DS, \
	48	.preempt_count = 0, \
	49	.restart_block = { \
	50	.fn = do_no_restart_syscall, \
	51	}, \
	52	}
	53
	54	/* how to get the thread information struct from C */
	55	#define current_thread_info() ((struct thread_info ) ((char ) current + IA64_TASK_SIZE))
	56	#define alloc_thread_info(tsk) ((struct thread_info ) ((char ) (tsk) + IA64_TASK_SIZE))
	57	#define free_thread_info(ti) /* nothing */
	58
	59	#define __HAVE_ARCH_TASK_STRUCT_ALLOCATOR
	60	#define alloc_task_struct() ((task_t *)__get_free_pages(GFP_KERNEL, KERNEL_STACK_SIZE_ORDER))
	61	#define free_task_struct(tsk) free_pages((unsigned long) (tsk), KERNEL_STACK_SIZE_ORDER)
	62
	63	#endif /* !__ASSEMBLY */
	64
	65	/*
	66	* thread information flags
	67	* - these are process state flags that various assembly files may need to access
	68	* - pending work-to-be-done flags are in least-significant 16 bits, other flags
	69	* in top 16 bits
	70	*/
	71	#define TIF_NOTIFY_RESUME 0 /* resumption notification requested */
	72	#define TIF_SIGPENDING 1 /* signal pending */
	73	#define TIF_NEED_RESCHED 2 /* rescheduling necessary */
	74	#define TIF_SYSCALL_TRACE 3 /* syscall trace active */
	75	#define TIF_SYSCALL_AUDIT 4 /* syscall auditing active */
	76	#define TIF_SIGDELAYED 5 /* signal delayed from MCA/INIT/NMI/PMI context */
	77	#define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling TIF_NEED_RESCHED */
	78	#define TIF_MEMDIE 17
	79
	80	#define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE)
	81	#define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT)
	82	#define _TIF_SYSCALL_TRACEAUDIT (_TIF_SYSCALL_TRACE\|_TIF_SYSCALL_AUDIT)
	83	#define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME)
	84	#define _TIF_SIGPENDING (1 << TIF_SIGPENDING)
	85	#define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED)
	86	#define _TIF_SIGDELAYED (1 << TIF_SIGDELAYED)
	87	#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG)
	88
	89	/* "work to do on user-return" bits */
	90	#define TIF_ALLWORK_MASK (_TIF_NOTIFY_RESUME\|_TIF_SIGPENDING\|_TIF_NEED_RESCHED\|_TIF_SYSCALL_TRACE\|_TIF_SYSCALL_AUDIT\|_TIF_SIGDELAYED)
	91	/* like TIF_ALLWORK_BITS but sans TIF_SYSCALL_TRACE or TIF_SYSCALL_AUDIT */
	92	#define TIF_WORK_MASK (TIF_ALLWORK_MASK&~(_TIF_SYSCALL_TRACE\|_TIF_SYSCALL_AUDIT))
	93
	94	#endif /* _ASM_IA64_THREAD_INFO_H */