diff options
Diffstat (limited to 'mit-pthreads/machdep/engine-powerpc-netbsd.c')
| -rw-r--r-- | mit-pthreads/machdep/engine-powerpc-netbsd.c | 227 |
1 files changed, 0 insertions, 227 deletions
diff --git a/mit-pthreads/machdep/engine-powerpc-netbsd.c b/mit-pthreads/machdep/engine-powerpc-netbsd.c deleted file mode 100644 index fc17e3de5d0..00000000000 --- a/mit-pthreads/machdep/engine-powerpc-netbsd.c +++ /dev/null @@ -1,227 +0,0 @@ -/* ==== machdep.c ============================================================ - * Copyright (c) 1993, 1994 Chris Provenzano, proven@athena.mit.edu - * - * Description : Machine dependent functions for NetBSD/PowerPC (1.5+) - * - * 1.00 93/08/04 proven - * -Started coding this file. - * - * 2001/01/10 briggs - * -Modified to make it go with NetBSD/PowerPC - */ - -#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_pthread_start() - */ -void machdep_pthread_start(void) -{ - context_switch_done(); - pthread_sched_resume (); - - /* XXXMLG - * This is EXTREMELY bogus, but it seems that this function is called - * with the pthread kernel locked. If this happens, __errno() will - * return the wrong address until after the first context switch. - * - * Clearly there is a leak of pthread_kernel somewhere, but until - * it is found, we force a context switch here, just before calling - * the thread start routine. When we return from pthread_yield - * the kernel will be unlocked. - */ - pthread_yield(); - - /* 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_pthread_create() - */ -void __machdep_pthread_create(struct machdep_pthread *machdep_pthread, - void *(* start_routine)(void *), 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(). */ - /* state is sigmask, then r8-r31 where r11 is the LR - * So, istate[3] is r10, which is the SP - * So, istate[4] is r11, which is the LR - * So, istate[5] is r12, which is the CR - */ - machdep_pthread->machdep_istate[4] = (long)machdep_pthread_start; - machdep_pthread->machdep_istate[5] = 0; - - /* PowerPC stack starts high and builds down, and needs to be 16-byte - aligned. */ - machdep_pthread->machdep_istate[3] = - ((long) machdep_pthread->machdep_stack + stack_size) & ~0xf; -} - -/* ========================================================================== - * machdep_save_state() - */ -int machdep_save_state(void) -{ - return( _setjmp(pthread_run->machdep_data.machdep_istate) ); -} - -void machdep_restore_state(void) -{ - _longjmp(pthread_run->machdep_data.machdep_istate, 1); -} - -void machdep_save_float_state (struct pthread *pthread) -{ - __machdep_save_fp_state(pthread->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); -} - -void *machdep_pthread_cleanup(struct machdep_pthread *machdep_pthread); -void machdep_pthread_start(void); - -/* ========================================================================== - * __machdep_stack_free() - */ -void -__machdep_stack_free(void * stack) -{ - free(stack); -} - -/* ========================================================================== - * __machdep_stack_alloc() - */ -void * -__machdep_stack_alloc(size_t size) -{ - return(malloc(size)); -} - -/* ========================================================================== - * machdep_sys_creat() - */ -int -machdep_sys_creat(char * path, int mode) -{ - return(machdep_sys_open(path, O_WRONLY | O_CREAT | O_TRUNC, mode)); -} - -/* ========================================================================== - * machdep_sys_wait3() - */ -int -machdep_sys_wait3(int * b, int c, int *d) -{ - return(machdep_sys_wait4(0, b, c, d)); -} - -/* ========================================================================== - * machdep_sys_waitpid() - */ -int -machdep_sys_waitpid(int a, int * b, int c) -{ - return(machdep_sys_wait4(a, b, c, NULL)); -} - -/* ========================================================================== - * machdep_sys_getdtablesize() - */ -int -machdep_sys_getdtablesize(void) -{ - return(sysconf(_SC_OPEN_MAX)); -} - -/* ========================================================================== - * machdep_sys_lseek() - */ -off_t -machdep_sys_lseek(int fd, off_t offset, int whence) -{ - return(__syscall((quad_t)SYS_lseek, fd, 0, offset, whence)); -} - -int -machdep_sys_ftruncate( int fd, off_t length) -{ - quad_t q; - int rv; - - q = __syscall((quad_t)SYS_ftruncate, fd,0, length); - if( /* LINTED constant */ sizeof( quad_t ) == sizeof( register_t ) || - /* LINTED constant */ BYTE_ORDER == LITTLE_ENDIAN ) - rv = (int)q; - else - rv = (int)((u_quad_t)q >> 32); - - return rv; -} - - -/* ========================================================================== - * machdep_sys_getdirentries() - */ -int -machdep_sys_getdirentries(int fd, char * buf, int len, int * seek) -{ - return(machdep_sys_getdents(fd, buf, len)); -} |