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Diffstat (limited to 'include/asm-m32r/thread_info.h')
-rw-r--r--include/asm-m32r/thread_info.h184
1 files changed, 0 insertions, 184 deletions
diff --git a/include/asm-m32r/thread_info.h b/include/asm-m32r/thread_info.h
deleted file mode 100644
index 8589d462df27..000000000000
--- a/include/asm-m32r/thread_info.h
+++ /dev/null
@@ -1,184 +0,0 @@
-#ifndef _ASM_M32R_THREAD_INFO_H
-#define _ASM_M32R_THREAD_INFO_H
-
-/* thread_info.h: m32r low-level thread information
- *
- * Copyright (C) 2002 David Howells (dhowells@redhat.com)
- * - Incorporating suggestions made by Linus Torvalds and Dave Miller
- * Copyright (C) 2004 Hirokazu Takata <takata at linux-m32r.org>
- */
-
-#ifdef __KERNEL__
-
-#ifndef __ASSEMBLY__
-#include <asm/processor.h>
-#endif
-
-/*
- * low level task data that entry.S needs immediate access to
- * - this struct should fit entirely inside of one cache line
- * - this struct shares the supervisor stack pages
- * - if the contents of this structure are changed, the assembly constants must also be changed
- */
-#ifndef __ASSEMBLY__
-
-struct thread_info {
- struct task_struct *task; /* main task structure */
- struct exec_domain *exec_domain; /* execution domain */
- unsigned long flags; /* low level flags */
- unsigned long status; /* thread-synchronous flags */
- __u32 cpu; /* current CPU */
- int preempt_count; /* 0 => preemptable, <0 => BUG */
-
- mm_segment_t addr_limit; /* thread address space:
- 0-0xBFFFFFFF for user-thread
- 0-0xFFFFFFFF for kernel-thread
- */
- struct restart_block restart_block;
-
- __u8 supervisor_stack[0];
-};
-
-#else /* !__ASSEMBLY__ */
-
-/* offsets into the thread_info struct for assembly code access */
-#define TI_TASK 0x00000000
-#define TI_EXEC_DOMAIN 0x00000004
-#define TI_FLAGS 0x00000008
-#define TI_STATUS 0x0000000C
-#define TI_CPU 0x00000010
-#define TI_PRE_COUNT 0x00000014
-#define TI_ADDR_LIMIT 0x00000018
-#define TI_RESTART_BLOCK 0x000001C
-
-#endif
-
-#define PREEMPT_ACTIVE 0x10000000
-
-/*
- * 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, \
- .exec_domain = &default_exec_domain, \
- .flags = 0, \
- .cpu = 0, \
- .preempt_count = 1, \
- .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)
-
-#define THREAD_SIZE (2*PAGE_SIZE)
-
-/* how to get the thread information struct from C */
-static inline struct thread_info *current_thread_info(void)
-{
- struct thread_info *ti;
-
- __asm__ __volatile__ (
- "ldi %0, #%1 \n\t"
- "and %0, sp \n\t"
- : "=r" (ti) : "i" (~(THREAD_SIZE - 1))
- );
-
- return ti;
-}
-
-#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
-
-/* thread information allocation */
-#ifdef CONFIG_DEBUG_STACK_USAGE
-#define alloc_thread_info(tsk) \
- ({ \
- struct thread_info *ret; \
- \
- ret = kzalloc(THREAD_SIZE, GFP_KERNEL); \
- \
- ret; \
- })
-#else
-#define alloc_thread_info(tsk) kmalloc(THREAD_SIZE, GFP_KERNEL)
-#endif
-
-#define free_thread_info(info) kfree(info)
-
-#define TI_FLAG_FAULT_CODE_SHIFT 28
-
-static inline void set_thread_fault_code(unsigned int val)
-{
- struct thread_info *ti = current_thread_info();
- ti->flags = (ti->flags & (~0 >> (32 - TI_FLAG_FAULT_CODE_SHIFT)))
- | (val << TI_FLAG_FAULT_CODE_SHIFT);
-}
-
-static inline unsigned int get_thread_fault_code(void)
-{
- struct thread_info *ti = current_thread_info();
- return ti->flags >> TI_FLAG_FAULT_CODE_SHIFT;
-}
-
-#else /* !__ASSEMBLY__ */
-
-#define THREAD_SIZE 8192
-
-/* how to get the thread information struct from ASM */
-#define GET_THREAD_INFO(reg) GET_THREAD_INFO reg
- .macro GET_THREAD_INFO reg
- ldi \reg, #-THREAD_SIZE
- and \reg, sp
- .endm
-
-#endif
-
-/*
- * thread information flags
- * - these are process state flags that various assembly files may need to access
- * - pending work-to-be-done flags are in LSW
- * - other flags in MSW
- */
-#define TIF_SYSCALL_TRACE 0 /* syscall trace active */
-#define TIF_SIGPENDING 1 /* signal pending */
-#define TIF_NEED_RESCHED 2 /* rescheduling necessary */
-#define TIF_SINGLESTEP 3 /* restore singlestep on return to user mode */
-#define TIF_IRET 4 /* return with iret */
-#define TIF_RESTORE_SIGMASK 8 /* restore signal mask in do_signal() */
-#define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */
-#define TIF_POLLING_NRFLAG 17 /* true if poll_idle() is polling TIF_NEED_RESCHED */
-#define TIF_MEMDIE 18 /* OOM killer killed process */
-#define TIF_FREEZE 19 /* is freezing for suspend */
-
-#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
-#define _TIF_SIGPENDING (1<<TIF_SIGPENDING)
-#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED)
-#define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP)
-#define _TIF_IRET (1<<TIF_IRET)
-#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK)
-#define _TIF_USEDFPU (1<<TIF_USEDFPU)
-#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
-#define _TIF_FREEZE (1<<TIF_FREEZE)
-
-#define _TIF_WORK_MASK 0x0000FFFE /* work to do on interrupt/exception return */
-#define _TIF_ALLWORK_MASK 0x0000FFFF /* work to do on any return to u-space */
-
-/*
- * 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.
- */
-#define TS_USEDFPU 0x0001 /* FPU was used by this task this quantum (SMP) */
-
-#endif /* __KERNEL__ */
-
-#endif /* _ASM_M32R_THREAD_INFO_H */