summaryrefslogtreecommitdiffstats
path: root/include/asm-alpha/thread_info.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-alpha/thread_info.h')
-rw-r--r--include/asm-alpha/thread_info.h114
1 files changed, 0 insertions, 114 deletions
diff --git a/include/asm-alpha/thread_info.h b/include/asm-alpha/thread_info.h
deleted file mode 100644
index 15fda434442..00000000000
--- a/include/asm-alpha/thread_info.h
+++ /dev/null
@@ -1,114 +0,0 @@
-#ifndef _ALPHA_THREAD_INFO_H
-#define _ALPHA_THREAD_INFO_H
-
-#ifdef __KERNEL__
-
-#ifndef __ASSEMBLY__
-#include <asm/processor.h>
-#include <asm/types.h>
-#include <asm/hwrpb.h>
-#endif
-
-#ifndef __ASSEMBLY__
-struct thread_info {
- struct pcb_struct pcb; /* palcode state */
-
- struct task_struct *task; /* main task structure */
- unsigned int flags; /* low level flags */
- unsigned int ieee_state; /* see fpu.h */
-
- struct exec_domain *exec_domain; /* execution domain */
- mm_segment_t addr_limit; /* thread address space */
- unsigned cpu; /* current CPU */
- int preempt_count; /* 0 => preemptable, <0 => BUG */
-
- int bpt_nsaved;
- unsigned long bpt_addr[2]; /* breakpoint handling */
- unsigned int bpt_insn[2];
-
- struct restart_block restart_block;
-};
-
-/*
- * Macros/functions for gaining access to the thread information structure.
- */
-#define INIT_THREAD_INFO(tsk) \
-{ \
- .task = &tsk, \
- .exec_domain = &default_exec_domain, \
- .addr_limit = KERNEL_DS, \
- .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 __asm__("$8");
-#define current_thread_info() __current_thread_info
-
-/* Thread information allocation. */
-#define THREAD_SIZE_ORDER 1
-#define THREAD_SIZE (2*PAGE_SIZE)
-
-#endif /* __ASSEMBLY__ */
-
-#define PREEMPT_ACTIVE 0x40000000
-
-/*
- * Thread information flags:
- * - these are process state flags and used from assembly
- * - pending work-to-be-done flags come first to fit in and immediate operand.
- *
- * TIF_SYSCALL_TRACE is known to be 0 via blbs.
- */
-#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 /* poll_idle is polling NEED_RESCHED */
-#define TIF_DIE_IF_KERNEL 4 /* dik recursion lock */
-#define TIF_UAC_NOPRINT 5 /* see sysinfo.h */
-#define TIF_UAC_NOFIX 6
-#define TIF_UAC_SIGBUS 7
-#define TIF_MEMDIE 8
-#define TIF_RESTORE_SIGMASK 9 /* restore signal mask in do_signal */
-
-#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_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK)
-
-/* Work to do on interrupt/exception return. */
-#define _TIF_WORK_MASK (_TIF_SIGPENDING | _TIF_NEED_RESCHED)
-
-/* Work to do on any return to userspace. */
-#define _TIF_ALLWORK_MASK (_TIF_WORK_MASK \
- | _TIF_SYSCALL_TRACE)
-
-#define ALPHA_UAC_SHIFT 6
-#define ALPHA_UAC_MASK (1 << TIF_UAC_NOPRINT | 1 << TIF_UAC_NOFIX | \
- 1 << TIF_UAC_SIGBUS)
-
-#define SET_UNALIGN_CTL(task,value) ({ \
- task_thread_info(task)->flags = ((task_thread_info(task)->flags & \
- ~ALPHA_UAC_MASK) \
- | (((value) << ALPHA_UAC_SHIFT) & (1<<TIF_UAC_NOPRINT))\
- | (((value) << (ALPHA_UAC_SHIFT + 1)) & (1<<TIF_UAC_SIGBUS)) \
- | (((value) << (ALPHA_UAC_SHIFT - 1)) & (1<<TIF_UAC_NOFIX)));\
- 0; })
-
-#define GET_UNALIGN_CTL(task,value) ({ \
- put_user((task_thread_info(task)->flags & (1 << TIF_UAC_NOPRINT))\
- >> ALPHA_UAC_SHIFT \
- | (task_thread_info(task)->flags & (1 << TIF_UAC_SIGBUS))\
- >> (ALPHA_UAC_SHIFT + 1) \
- | (task_thread_info(task)->flags & (1 << TIF_UAC_NOFIX))\
- >> (ALPHA_UAC_SHIFT - 1), \
- (int __user *)(value)); \
- })
-
-#endif /* __KERNEL__ */
-#endif /* _ALPHA_THREAD_INFO_H */