/* SPDX-License-Identifier: GPL-2.0 */ #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> #include <asm/sysinfo.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 */ mm_segment_t addr_limit; /* thread address space */ unsigned cpu; /* current CPU */ int preempt_count; /* 0 => preemptable, <0 => BUG */ unsigned int status; /* thread-synchronous flags */ int bpt_nsaved; unsigned long bpt_addr[2]; /* breakpoint handling */ unsigned int bpt_insn[2]; }; /* * Macros/functions for gaining access to the thread information structure. */ #define INIT_THREAD_INFO(tsk) \ { \ .task = &tsk, \ .addr_limit = KERNEL_DS, \ .preempt_count = INIT_PREEMPT_COUNT, \ } #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 #endif /* __ASSEMBLY__ */ /* Thread information allocation. */ #define THREAD_SIZE_ORDER 1 #define THREAD_SIZE (2*PAGE_SIZE) /* * Thread information flags: * - these are process state flags and used from assembly * - pending work-to-be-done flags come first and must be assigned to be * within bits 0 to 7 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_NOTIFY_RESUME 1 /* callback before returning to user */ #define TIF_SIGPENDING 2 /* signal pending */ #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ #define TIF_SYSCALL_AUDIT 4 /* syscall audit active */ #define TIF_DIE_IF_KERNEL 9 /* dik recursion lock */ #define TIF_MEMDIE 13 /* is terminating due to OOM killer */ #define TIF_POLLING_NRFLAG 14 /* idle is polling for TIF_NEED_RESCHED */ #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) #define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) /* Work to do on interrupt/exception return. */ #define _TIF_WORK_MASK (_TIF_SIGPENDING | _TIF_NEED_RESCHED | \ _TIF_NOTIFY_RESUME) /* Work to do on any return to userspace. */ #define _TIF_ALLWORK_MASK (_TIF_WORK_MASK \ | _TIF_SYSCALL_TRACE) #define TS_UAC_NOPRINT 0x0001 /* ! Preserve the following three */ #define TS_UAC_NOFIX 0x0002 /* ! flags as they match */ #define TS_UAC_SIGBUS 0x0004 /* ! userspace part of 'osf_sysinfo' */ #define SET_UNALIGN_CTL(task,value) ({ \ __u32 status = task_thread_info(task)->status & ~UAC_BITMASK; \ if (value & PR_UNALIGN_NOPRINT) \ status |= TS_UAC_NOPRINT; \ if (value & PR_UNALIGN_SIGBUS) \ status |= TS_UAC_SIGBUS; \ if (value & 4) /* alpha-specific */ \ status |= TS_UAC_NOFIX; \ task_thread_info(task)->status = status; \ 0; }) #define GET_UNALIGN_CTL(task,value) ({ \ __u32 status = task_thread_info(task)->status & ~UAC_BITMASK; \ __u32 res = 0; \ if (status & TS_UAC_NOPRINT) \ res |= PR_UNALIGN_NOPRINT; \ if (status & TS_UAC_SIGBUS) \ res |= PR_UNALIGN_SIGBUS; \ if (status & TS_UAC_NOFIX) \ res |= 4; \ put_user(res, (int __user *)(value)); \ }) #endif /* __KERNEL__ */ #endif /* _ALPHA_THREAD_INFO_H */
Name | Type | Size | Permission | Actions |
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Kbuild | File | 320 B | 0644 |
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a.out-core.h | File | 2.41 KB | 0644 |
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a.out.h | File | 574 B | 0644 |
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agp.h | File | 457 B | 0644 |
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agp_backend.h | File | 948 B | 0644 |
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asm-offsets.h | File | 35 B | 0644 |
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asm-prototypes.h | File | 405 B | 0644 |
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atomic.h | File | 9.15 KB | 0644 |
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barrier.h | File | 2.17 KB | 0644 |
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bitops.h | File | 8.83 KB | 0644 |
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bug.h | File | 571 B | 0644 |
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bugs.h | File | 294 B | 0644 |
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cache.h | File | 507 B | 0644 |
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cacheflush.h | File | 2.68 KB | 0644 |
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checksum.h | File | 1.93 KB | 0644 |
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cmpxchg.h | File | 1.67 KB | 0644 |
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compiler.h | File | 498 B | 0644 |
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console.h | File | 1.06 KB | 0644 |
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core_apecs.h | File | 16.91 KB | 0644 |
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core_cia.h | File | 15.43 KB | 0644 |
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core_irongate.h | File | 6.63 KB | 0644 |
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core_lca.h | File | 11.36 KB | 0644 |
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core_marvel.h | File | 9.15 KB | 0644 |
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core_mcpcia.h | File | 11.45 KB | 0644 |
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core_polaris.h | File | 2.92 KB | 0644 |
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core_t2.h | File | 19.13 KB | 0644 |
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core_titan.h | File | 11.2 KB | 0644 |
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core_tsunami.h | File | 8.29 KB | 0644 |
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core_wildfire.h | File | 8.45 KB | 0644 |
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delay.h | File | 264 B | 0644 |
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device.h | File | 129 B | 0644 |
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div64.h | File | 31 B | 0644 |
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dma-mapping.h | File | 276 B | 0644 |
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dma.h | File | 12.37 KB | 0644 |
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elf.h | File | 5.71 KB | 0644 |
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emergency-restart.h | File | 149 B | 0644 |
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err_common.h | File | 3.24 KB | 0644 |
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err_ev6.h | File | 116 B | 0644 |
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err_ev7.h | File | 4.37 KB | 0644 |
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extable.h | File | 1.42 KB | 0644 |
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floppy.h | File | 3.07 KB | 0644 |
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fpu.h | File | 1.78 KB | 0644 |
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ftrace.h | File | 12 B | 0644 |
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futex.h | File | 1.97 KB | 0644 |
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gct.h | File | 1.02 KB | 0644 |
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hardirq.h | File | 223 B | 0644 |
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hw_irq.h | File | 302 B | 0644 |
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hwrpb.h | File | 6.9 KB | 0644 |
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io.h | File | 15.03 KB | 0644 |
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io_trivial.h | File | 3.07 KB | 0644 |
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irq.h | File | 2.31 KB | 0644 |
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irq_regs.h | File | 34 B | 0644 |
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irqflags.h | File | 1.17 KB | 0644 |
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jensen.h | File | 8.39 KB | 0644 |
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kdebug.h | File | 32 B | 0644 |
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kmap_types.h | File | 265 B | 0644 |
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linkage.h | File | 256 B | 0644 |
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local.h | File | 2.59 KB | 0644 |
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local64.h | File | 33 B | 0644 |
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machvec.h | File | 3.68 KB | 0644 |
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mc146818rtc.h | File | 680 B | 0644 |
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mce.h | File | 4.04 KB | 0644 |
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mmu.h | File | 203 B | 0644 |
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mmu_context.h | File | 7.09 KB | 0644 |
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mmzone.h | File | 2.98 KB | 0644 |
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module.h | File | 329 B | 0644 |
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page.h | File | 2.46 KB | 0644 |
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pal.h | File | 5.01 KB | 0644 |
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param.h | File | 284 B | 0644 |
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parport.h | File | 536 B | 0644 |
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pci.h | File | 2.87 KB | 0644 |
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percpu.h | File | 527 B | 0644 |
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perf_event.h | File | 105 B | 0644 |
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pgalloc.h | File | 1.82 KB | 0644 |
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pgtable.h | File | 13.17 KB | 0644 |
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processor.h | File | 2.07 KB | 0644 |
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ptrace.h | File | 754 B | 0644 |
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rwsem.h | File | 4.62 KB | 0644 |
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segment.h | File | 132 B | 0644 |
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serial.h | File | 1.01 KB | 0644 |
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sfp-machine.h | File | 2.86 KB | 0644 |
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shmparam.h | File | 191 B | 0644 |
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signal.h | File | 627 B | 0644 |
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smp.h | File | 1.34 KB | 0644 |
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socket.h | File | 310 B | 0644 |
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special_insns.h | File | 925 B | 0644 |
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spinlock.h | File | 2.85 KB | 0644 |
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spinlock_types.h | File | 413 B | 0644 |
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string.h | File | 2.42 KB | 0644 |
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switch_to.h | File | 406 B | 0644 |
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syscall.h | File | 235 B | 0644 |
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termios.h | File | 2.98 KB | 0644 |
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thread_info.h | File | 3.63 KB | 0644 |
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timex.h | File | 827 B | 0644 |
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tlb.h | File | 473 B | 0644 |
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tlbflush.h | File | 3.37 KB | 0644 |
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topology.h | File | 957 B | 0644 |
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types.h | File | 143 B | 0644 |
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uaccess.h | File | 9.56 KB | 0644 |
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ucontext.h | File | 348 B | 0644 |
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unaligned.h | File | 340 B | 0644 |
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unistd.h | File | 494 B | 0644 |
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user.h | File | 2.14 KB | 0644 |
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vga.h | File | 2 KB | 0644 |
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word-at-a-time.h | File | 1.34 KB | 0644 |
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wrperfmon.h | File | 2.56 KB | 0644 |
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xchg.h | File | 5.74 KB | 0644 |
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xor.h | File | 21.71 KB | 0644 |
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