diff options
Diffstat (limited to 'mit-pthreads/machdep/engine-alpha-netbsd-1.1.c')
| -rw-r--r-- | mit-pthreads/machdep/engine-alpha-netbsd-1.1.c | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/mit-pthreads/machdep/engine-alpha-netbsd-1.1.c b/mit-pthreads/machdep/engine-alpha-netbsd-1.1.c deleted file mode 100644 index c1ff04db16d..00000000000 --- a/mit-pthreads/machdep/engine-alpha-netbsd-1.1.c +++ /dev/null @@ -1,196 +0,0 @@ -/* ==== machdep.c ============================================================ - * Copyright (c) 1993, 1994 Chris Provenzano, proven@athena.mit.edu - * - * Description : Machine dependent functions for NetBSD/Alpha 1.1(+) - * - * 1.00 93/08/04 proven - * -Started coding this file. - * - * 95/04/22 cgd - * -Modified to make it go with NetBSD/Alpha - */ - -#ifndef lint -static const char rcsid[] = "engine-alpha-osf1.c,v 1.4.4.1 1995/12/13 05:41:37 proven Exp"; -#endif - -#include <pthread.h> -#include <sys/types.h> -#include <sys/socket.h> -#include <sys/syscall.h> -#include <stdlib.h> -#include <fcntl.h> -#include <stdio.h> - -/* ========================================================================== - * machdep_save_state() - */ -int machdep_save_state(void) -{ - return __machdep_save_int_state(pthread_run->machdep_data.machdep_istate); -} - -void machdep_restore_state(void) -{ - __machdep_restore_int_state(pthread_run->machdep_data.machdep_istate); -} - -void machdep_save_float_state (void) -{ - __machdep_save_fp_state(pthread_run->machdep_data.machdep_fstate); -} - -void machdep_restore_float_state (void) -{ - __machdep_restore_fp_state(pthread_run->machdep_data.machdep_fstate); -} - -/* ========================================================================== - * machdep_set_thread_timer() - */ -void machdep_set_thread_timer(struct machdep_pthread *machdep_pthread) -{ - if (setitimer(ITIMER_VIRTUAL, &(machdep_pthread->machdep_timer), NULL)) { - PANIC(); - } -} - -/* ========================================================================== - * machdep_unset_thread_timer() - */ -void machdep_unset_thread_timer(struct machdep_pthread *machdep_pthread) -{ - struct itimerval zeroval = { { 0, 0 }, { 0, 0} }; - - if (setitimer(ITIMER_VIRTUAL, &zeroval, NULL)) { - PANIC(); - } -} - -/* ========================================================================== - * machdep_pthread_cleanup() - */ -void *machdep_pthread_cleanup(struct machdep_pthread *machdep_pthread) -{ - return(machdep_pthread->machdep_stack); -} - -/* ========================================================================== - * machdep_pthread_start() - */ -void machdep_pthread_start(void) -{ - context_switch_done(); - pthread_sched_resume (); - - /* Run current threads start routine with argument */ - pthread_exit(pthread_run->machdep_data.start_routine - (pthread_run->machdep_data.start_argument)); - - /* should never reach here */ - PANIC(); -} - -/* ========================================================================== - * __machdep_stack_free() - */ -void __machdep_stack_free(void * stack) -{ - free(stack); -} - -/* ========================================================================== - * __machdep_stack_alloc() - */ -void * __machdep_stack_alloc(size_t size) -{ - void * stack; - - return(malloc(size)); -} - -/* ========================================================================== - * __machdep_pthread_create() - */ -void __machdep_pthread_create(struct machdep_pthread *machdep_pthread, - void *(* start_routine)(), void *start_argument, - long stack_size, long nsec, long flags) -{ - machdep_pthread->start_routine = start_routine; - machdep_pthread->start_argument = start_argument; - - machdep_pthread->machdep_timer.it_value.tv_sec = 0; - machdep_pthread->machdep_timer.it_interval.tv_sec = 0; - machdep_pthread->machdep_timer.it_interval.tv_usec = 0; - machdep_pthread->machdep_timer.it_value.tv_usec = nsec / 1000; - - /* Set up new stack frame so that it looks like it returned from a - longjmp() to the beginning of machdep_pthread_start(). */ - machdep_pthread->machdep_istate[8/*ISTATE_RA*/] = 0; - machdep_pthread->machdep_istate[0/*ISTATE_PC*/] = (long)machdep_pthread_start; - machdep_pthread->machdep_istate[10/*ISTATE_PV*/] = (long)machdep_pthread_start; - - /* Alpha stack starts high and builds down. */ - { - long stk_addr = (long) machdep_pthread->machdep_stack; - stk_addr += stack_size - 1024; - stk_addr &= ~15; - machdep_pthread->machdep_istate[9/*ISTATE_SP*/] = stk_addr; - } -} - -int safe_store (loc, new) - int *loc; - int new; -{ - int locked, old; - asm ("mb" : : : "memory"); - do { - asm ("ldl_l %0,%1" : "=r" (old) : "m" (*loc)); - asm ("stl_c %0,%1" : "=r" (locked), "=m" (*loc) : "0" (new)); - } while (!locked); - asm ("mb" : : : "memory"); - return old; -} - -/* ========================================================================== - * machdep_sys_creat() - */ -machdep_sys_creat(char * path, int mode) -{ - return(machdep_sys_open(path, O_WRONLY | O_CREAT | O_TRUNC, mode)); -} - -/* ========================================================================== - * machdep_sys_wait3() - */ -machdep_sys_wait3(int * b, int c, int * d) -{ - return(machdep_sys_wait4(0, b, c, d)); -} - -/* ========================================================================== - * machdep_sys_waitpid() - */ -machdep_sys_waitpid(int a, int * b, int c) -{ - return(machdep_sys_wait4(a, b, c, NULL)); -} - -/* ========================================================================== - * machdep_sys_getdtablesize() - */ -machdep_sys_getdtablesize() -{ - return(sysconf(_SC_OPEN_MAX)); -} - -/* ========================================================================== - * machdep_sys_lseek() - */ -off_t machdep_sys_lseek(int fd, off_t offset, int whence) -{ - extern off_t __syscall(); - - return(__syscall((quad_t)SYS_lseek, fd, 0, offset, whence)); -} |