/* SPDX-License-Identifier: GPL-2.0 */ /* * include/asm-alpha/processor.h * * Copyright (C) 1994 Linus Torvalds */ #ifndef __ASM_ALPHA_PROCESSOR_H #define __ASM_ALPHA_PROCESSOR_H #include <linux/personality.h> /* for ADDR_LIMIT_32BIT */ /* * Returns current instruction pointer ("program counter"). */ #define current_text_addr() \ ({ void *__pc; __asm__ ("br %0,.+4" : "=r"(__pc)); __pc; }) /* * We have a 42-bit user address space: 4TB user VM... */ #define TASK_SIZE (0x40000000000UL) #define STACK_TOP \ (current->personality & ADDR_LIMIT_32BIT ? 0x80000000 : 0x00120000000UL) #define STACK_TOP_MAX 0x00120000000UL /* This decides where the kernel will search for a free chunk of vm * space during mmap's. */ #define TASK_UNMAPPED_BASE \ ((current->personality & ADDR_LIMIT_32BIT) ? 0x40000000 : TASK_SIZE / 2) typedef struct { unsigned long seg; } mm_segment_t; /* This is dead. Everything has been moved to thread_info. */ struct thread_struct { }; #define INIT_THREAD { } /* Return saved PC of a blocked thread. */ struct task_struct; extern unsigned long thread_saved_pc(struct task_struct *); /* Do necessary setup to start up a newly executed thread. */ struct pt_regs; extern void start_thread(struct pt_regs *, unsigned long, unsigned long); /* Free all resources held by a thread. */ extern void release_thread(struct task_struct *); unsigned long get_wchan(struct task_struct *p); #define KSTK_EIP(tsk) (task_pt_regs(tsk)->pc) #define KSTK_ESP(tsk) \ ((tsk) == current ? rdusp() : task_thread_info(tsk)->pcb.usp) #define cpu_relax() barrier() #define ARCH_HAS_PREFETCH #define ARCH_HAS_PREFETCHW #define ARCH_HAS_SPINLOCK_PREFETCH #ifndef CONFIG_SMP /* Nothing to prefetch. */ #define spin_lock_prefetch(lock) do { } while (0) #endif
extern inline void prefetch(const void *ptr) { __builtin_prefetch(ptr, 0, 3); }Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds | 12 | 57.14% | 1 | 50.00% |
| Richard Henderson | 9 | 42.86% | 1 | 50.00% |
| Total | 21 | 100.00% | 2 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds | 12 | 57.14% | 1 | 50.00% |
| Richard Henderson | 9 | 42.86% | 1 | 50.00% |
| Total | 21 | 100.00% | 2 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds | 11 | 52.38% | 1 | 50.00% |
| Richard Henderson | 10 | 47.62% | 1 | 50.00% |
| Total | 21 | 100.00% | 2 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 101 | 45.09% | 18 | 62.07% |
| Linus Torvalds | 52 | 23.21% | 3 | 10.34% |
| Richard Henderson | 37 | 16.52% | 1 | 3.45% |
| Andrew Morton | 19 | 8.48% | 2 | 6.90% |
| David Howells | 9 | 4.02% | 1 | 3.45% |
| Richard Weinberger | 3 | 1.34% | 1 | 3.45% |
| Al Viro | 1 | 0.45% | 1 | 3.45% |
| Anton Blanchard | 1 | 0.45% | 1 | 3.45% |
| Greg Kroah-Hartman | 1 | 0.45% | 1 | 3.45% |
| Total | 224 | 100.00% | 29 | 100.00% |