aboutsummaryrefslogtreecommitdiff
path: root/include/asm-powerpc/thread_info.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-powerpc/thread_info.h')
-rw-r--r--include/asm-powerpc/thread_info.h161
1 files changed, 0 insertions, 161 deletions
diff --git a/include/asm-powerpc/thread_info.h b/include/asm-powerpc/thread_info.h
deleted file mode 100644
index 9665a26a253..00000000000
--- a/include/asm-powerpc/thread_info.h
+++ /dev/null
@@ -1,161 +0,0 @@
-/* thread_info.h: PowerPC low-level thread information
- * adapted from the i386 version by Paul Mackerras
- *
- * Copyright (C) 2002 David Howells (dhowells@redhat.com)
- * - Incorporating suggestions made by Linus Torvalds and Dave Miller
- */
-
-#ifndef _ASM_POWERPC_THREAD_INFO_H
-#define _ASM_POWERPC_THREAD_INFO_H
-
-#ifdef __KERNEL__
-
-/* We have 8k stacks on ppc32 and 16k on ppc64 */
-
-#ifdef CONFIG_PPC64
-#define THREAD_SHIFT 14
-#else
-#define THREAD_SHIFT 13
-#endif
-
-#define THREAD_SIZE (1 << THREAD_SHIFT)
-
-#ifndef __ASSEMBLY__
-#include <linux/cache.h>
-#include <asm/processor.h>
-#include <asm/page.h>
-#include <linux/stringify.h>
-
-/*
- * low level task data.
- */
-struct thread_info {
- struct task_struct *task; /* main task structure */
- struct exec_domain *exec_domain; /* execution domain */
- int cpu; /* cpu we're on */
- int preempt_count; /* 0 => preemptable,
- <0 => BUG */
- struct restart_block restart_block;
- unsigned long local_flags; /* private flags for thread */
-
- /* low level flags - has atomic operations done on it */
- unsigned long flags ____cacheline_aligned_in_smp;
-};
-
-/*
- * macros/functions for gaining access to the thread information structure
- *
- * preempt_count needs to be 1 initially, until the scheduler is functional.
- */
-#define INIT_THREAD_INFO(tsk) \
-{ \
- .task = &tsk, \
- .exec_domain = &default_exec_domain, \
- .cpu = 0, \
- .preempt_count = 1, \
- .restart_block = { \
- .fn = do_no_restart_syscall, \
- }, \
- .flags = 0, \
-}
-
-#define init_thread_info (init_thread_union.thread_info)
-#define init_stack (init_thread_union.stack)
-
-/* thread information allocation */
-
-#if THREAD_SHIFT >= PAGE_SHIFT
-
-#define THREAD_SIZE_ORDER (THREAD_SHIFT - PAGE_SHIFT)
-
-#else /* THREAD_SHIFT < PAGE_SHIFT */
-
-#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
-
-extern struct thread_info *alloc_thread_info(struct task_struct *tsk);
-extern void free_thread_info(struct thread_info *ti);
-
-#endif /* THREAD_SHIFT < PAGE_SHIFT */
-
-/* how to get the thread information struct from C */
-static inline struct thread_info *current_thread_info(void)
-{
- register unsigned long sp asm("r1");
-
- /* gcc4, at least, is smart enough to turn this into a single
- * rlwinm for ppc32 and clrrdi for ppc64 */
- return (struct thread_info *)(sp & ~(THREAD_SIZE-1));
-}
-
-#endif /* __ASSEMBLY__ */
-
-#define PREEMPT_ACTIVE 0x10000000
-
-/*
- * thread information flag bit numbers
- */
-#define TIF_SYSCALL_TRACE 0 /* syscall trace active */
-#define TIF_SIGPENDING 1 /* signal pending */
-#define TIF_NEED_RESCHED 2 /* rescheduling necessary */
-#define TIF_POLLING_NRFLAG 3 /* true if poll_idle() is polling
- TIF_NEED_RESCHED */
-#define TIF_32BIT 4 /* 32 bit binary */
-#define TIF_PERFMON_WORK 5 /* work for pfm_handle_work() */
-#define TIF_PERFMON_CTXSW 6 /* perfmon needs ctxsw calls */
-#define TIF_SYSCALL_AUDIT 7 /* syscall auditing active */
-#define TIF_SINGLESTEP 8 /* singlestepping active */
-#define TIF_MEMDIE 9
-#define TIF_SECCOMP 10 /* secure computing */
-#define TIF_RESTOREALL 11 /* Restore all regs (implies NOERROR) */
-#define TIF_NOERROR 12 /* Force successful syscall return */
-#define TIF_NOTIFY_RESUME 13 /* callback before returning to user */
-#define TIF_FREEZE 14 /* Freezing for suspend */
-#define TIF_RUNLATCH 15 /* Is the runlatch enabled? */
-#define TIF_ABI_PENDING 16 /* 32/64 bit switch needed */
-
-/* as above, but as bit values */
-#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
-#define _TIF_SIGPENDING (1<<TIF_SIGPENDING)
-#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED)
-#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
-#define _TIF_32BIT (1<<TIF_32BIT)
-#define _TIF_PERFMON_WORK (1<<TIF_PERFMON_WORK)
-#define _TIF_PERFMON_CTXSW (1<<TIF_PERFMON_CTXSW)
-#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT)
-#define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP)
-#define _TIF_SECCOMP (1<<TIF_SECCOMP)
-#define _TIF_RESTOREALL (1<<TIF_RESTOREALL)
-#define _TIF_NOERROR (1<<TIF_NOERROR)
-#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME)
-#define _TIF_FREEZE (1<<TIF_FREEZE)
-#define _TIF_RUNLATCH (1<<TIF_RUNLATCH)
-#define _TIF_ABI_PENDING (1<<TIF_ABI_PENDING)
-#define _TIF_SYSCALL_T_OR_A (_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP)
-
-#define _TIF_USER_WORK_MASK (_TIF_SIGPENDING | _TIF_NEED_RESCHED | \
- _TIF_NOTIFY_RESUME)
-#define _TIF_PERSYSCALL_MASK (_TIF_RESTOREALL|_TIF_NOERROR)
-
-/* Bits in local_flags */
-/* Don't move TLF_NAPPING without adjusting the code in entry_32.S */
-#define TLF_NAPPING 0 /* idle thread enabled NAP mode */
-#define TLF_SLEEPING 1 /* suspend code enabled SLEEP mode */
-#define TLF_RESTORE_SIGMASK 2 /* Restore signal mask in do_signal */
-
-#define _TLF_NAPPING (1 << TLF_NAPPING)
-#define _TLF_SLEEPING (1 << TLF_SLEEPING)
-#define _TLF_RESTORE_SIGMASK (1 << TLF_RESTORE_SIGMASK)
-
-#ifndef __ASSEMBLY__
-#define HAVE_SET_RESTORE_SIGMASK 1
-static inline void set_restore_sigmask(void)
-{
- struct thread_info *ti = current_thread_info();
- ti->local_flags |= _TLF_RESTORE_SIGMASK;
- set_bit(TIF_SIGPENDING, &ti->flags);
-}
-#endif /* !__ASSEMBLY__ */
-
-#endif /* __KERNEL__ */
-
-#endif /* _ASM_POWERPC_THREAD_INFO_H */