2df695b1e4
o Implement the architected FP_C "Floating Point Control Quadword"
474 lines
12 KiB
C
474 lines
12 KiB
C
/* $NetBSD: osf1_misc.c,v 1.63 2001/04/26 03:10:47 ross Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1999 Christopher G. Demetriou. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Christopher G. Demetriou
|
|
* for the NetBSD Project.
|
|
* 4. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 1994, 1995 Carnegie-Mellon University.
|
|
* All rights reserved.
|
|
*
|
|
* Author: Chris G. Demetriou
|
|
*
|
|
* Permission to use, copy, modify and distribute this software and
|
|
* its documentation is hereby granted, provided that both the copyright
|
|
* notice and this permission notice appear in all copies of the
|
|
* software, derivative works or modified versions, and any portions
|
|
* thereof, and that both notices appear in supporting documentation.
|
|
*
|
|
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
|
|
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
|
|
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
|
|
*
|
|
* Carnegie Mellon requests users of this software to return to
|
|
*
|
|
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
|
|
* School of Computer Science
|
|
* Carnegie Mellon University
|
|
* Pittsburgh PA 15213-3890
|
|
*
|
|
* any improvements or extensions that they make and grant Carnegie the
|
|
* rights to redistribute these changes.
|
|
*/
|
|
|
|
#if defined(_KERNEL) && !defined(_LKM)
|
|
#include "opt_syscall_debug.h"
|
|
#endif
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/namei.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/file.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/filedesc.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/mman.h>
|
|
#include <sys/mount.h>
|
|
#include <sys/signal.h>
|
|
#include <sys/signalvar.h>
|
|
#include <sys/reboot.h>
|
|
#include <sys/syscallargs.h>
|
|
#include <sys/exec.h>
|
|
#include <sys/vnode.h>
|
|
#include <sys/socketvar.h>
|
|
#include <sys/resource.h>
|
|
#include <sys/resourcevar.h>
|
|
#include <sys/user.h>
|
|
#include <sys/wait.h>
|
|
|
|
#include <machine/alpha.h>
|
|
#include <machine/cpuconf.h>
|
|
#include <machine/rpb.h>
|
|
#include <machine/fpu.h>
|
|
|
|
#include <compat/osf1/osf1.h>
|
|
#include <compat/osf1/osf1_syscallargs.h>
|
|
#include <compat/common/compat_util.h>
|
|
#include <compat/osf1/osf1_cvt.h>
|
|
|
|
#ifdef SYSCALL_DEBUG
|
|
extern int scdebug;
|
|
#endif
|
|
|
|
int
|
|
osf1_sys_classcntl(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
|
|
/* XXX */
|
|
return (ENOSYS);
|
|
}
|
|
|
|
int
|
|
osf1_sys_reboot(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct osf1_sys_reboot_args *uap = v;
|
|
struct sys_reboot_args a;
|
|
unsigned long leftovers;
|
|
|
|
/* translate opt */
|
|
SCARG(&a, opt) = emul_flags_translate(osf1_reboot_opt_xtab,
|
|
SCARG(uap, opt), &leftovers);
|
|
if (leftovers != 0)
|
|
return (EINVAL);
|
|
|
|
SCARG(&a, bootstr) = NULL;
|
|
|
|
return sys_reboot(p, &a, retval);
|
|
}
|
|
|
|
int
|
|
osf1_sys_set_program_attributes(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct osf1_sys_set_program_attributes_args *uap = v;
|
|
segsz_t tsize, dsize;
|
|
|
|
tsize = btoc(SCARG(uap, tsize));
|
|
dsize = btoc(SCARG(uap, dsize));
|
|
|
|
if (dsize > p->p_rlimit[RLIMIT_DATA].rlim_cur)
|
|
return (ENOMEM);
|
|
if (tsize > MAXTSIZ)
|
|
return (ENOMEM);
|
|
|
|
p->p_vmspace->vm_taddr = SCARG(uap, taddr);
|
|
p->p_vmspace->vm_tsize = tsize;
|
|
p->p_vmspace->vm_daddr = SCARG(uap, daddr);
|
|
p->p_vmspace->vm_dsize = dsize;
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
osf1_sys_getsysinfo(struct proc *p, void *v, register_t *retval)
|
|
{
|
|
extern int ncpus;
|
|
struct osf1_sys_getsysinfo_args *uap = v;
|
|
int error;
|
|
int unit;
|
|
long percpu;
|
|
long proctype;
|
|
u_int64_t fpflags;
|
|
struct osf1_cpu_info cpuinfo;
|
|
|
|
error = 0;
|
|
|
|
switch(SCARG(uap, op))
|
|
{
|
|
case OSF_GET_MAX_UPROCS:
|
|
error = copyout(&maxproc, SCARG(uap, buffer), sizeof(maxproc));
|
|
retval[0] = 1;
|
|
break;
|
|
case OSF_GET_PHYSMEM:
|
|
error = copyout(&physmem, SCARG(uap, buffer),
|
|
sizeof(physmem));
|
|
retval[0] = 1;
|
|
break;
|
|
case OSF_GET_MAX_CPU:
|
|
case OSF_GET_CPUS_IN_BOX:
|
|
error = copyout(&ncpus, SCARG(uap, buffer), sizeof(ncpus));
|
|
retval[0] = 1;
|
|
break;
|
|
case OSF_GET_IEEE_FP_CONTROL:
|
|
if (((fpflags = alpha_read_fp_c(p)) & IEEE_INHERIT) != 0) {
|
|
fpflags |= 1UL << 63;
|
|
fpflags &= ~IEEE_INHERIT;
|
|
}
|
|
error = copyout(&fpflags, SCARG(uap, buffer), sizeof fpflags);
|
|
retval[0] = 1;
|
|
break;
|
|
case OSF_GET_CPU_INFO:
|
|
|
|
if (SCARG(uap, nbytes) < sizeof(cpuinfo))
|
|
error = EINVAL;
|
|
else {
|
|
bzero(&cpuinfo, sizeof(cpuinfo));
|
|
unit = alpha_pal_whami();
|
|
cpuinfo.current_cpu = unit;
|
|
cpuinfo.cpus_in_box = ncpus;
|
|
cpuinfo.cpu_type =
|
|
LOCATE_PCS(hwrpb, unit)->pcs_proc_type;
|
|
cpuinfo.ncpus = ncpus;
|
|
cpuinfo.cpus_present = ncpus;
|
|
cpuinfo.cpus_running = ncpus;
|
|
cpuinfo.cpu_binding = 1;
|
|
cpuinfo.cpu_ex_binding = 0;
|
|
cpuinfo.mhz = hwrpb->rpb_cc_freq / 1000000;
|
|
error = copyout(&cpuinfo, SCARG(uap, buffer),
|
|
sizeof(cpuinfo));
|
|
retval[0] = 1;
|
|
}
|
|
break;
|
|
case OSF_GET_PROC_TYPE:
|
|
if(SCARG(uap, nbytes) < sizeof(proctype))
|
|
error = EINVAL;
|
|
else {
|
|
unit = alpha_pal_whami();
|
|
proctype = LOCATE_PCS(hwrpb, unit)->pcs_proc_type;
|
|
error = copyout (&proctype, SCARG(uap, buffer),
|
|
sizeof(percpu));
|
|
retval[0] = 1;
|
|
}
|
|
break;
|
|
case OSF_GET_HWRPB: { /* note -- osf/1 doesn't have rpb_tbhint[8] */
|
|
unsigned long rpb_size;
|
|
rpb_size = (unsigned long)hwrpb->rpb_size;
|
|
if (SCARG(uap, nbytes) < rpb_size){
|
|
uprintf("nbytes = %ld, sizeof(struct rpb) = %ld\n",
|
|
SCARG(uap, nbytes), rpb_size);
|
|
error = EINVAL;
|
|
}
|
|
else {
|
|
error = copyout(hwrpb, SCARG(uap, buffer), rpb_size);
|
|
retval[0] = 1;
|
|
}
|
|
}
|
|
break;
|
|
case OSF_GET_PLATFORM_NAME:
|
|
error = copyout(platform.model, SCARG(uap, buffer),
|
|
strlen(platform.model));
|
|
retval[0] = 1;
|
|
break;
|
|
default:
|
|
printf("osf1_getsysinfo called with unknown op=%ld\n",
|
|
SCARG(uap, op));
|
|
//return EINVAL;
|
|
return 0;
|
|
}
|
|
return(error);
|
|
}
|
|
|
|
int
|
|
osf1_sys_setsysinfo(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct osf1_sys_setsysinfo_args *uap = v;
|
|
u_int64_t temp;
|
|
int error;
|
|
|
|
error = 0;
|
|
|
|
switch(SCARG(uap, op)) {
|
|
case OSF_SET_IEEE_FP_CONTROL:
|
|
|
|
if ((error = copyin(SCARG(uap, buffer), &temp, sizeof(temp))))
|
|
break;
|
|
if (temp >> 63 != 0)
|
|
temp |= IEEE_INHERIT;
|
|
alpha_write_fp_c(p, temp);
|
|
break;
|
|
default:
|
|
uprintf("osf1_setsysinfo called with op=%ld\n", SCARG(uap, op));
|
|
//error = EINVAL;
|
|
}
|
|
retval[0] = 0;
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
osf1_sys_sysinfo(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct osf1_sys_sysinfo_args *uap = v;
|
|
const char *string;
|
|
int error;
|
|
|
|
error = 0;
|
|
switch (SCARG(uap, cmd)) {
|
|
case OSF1_SI_SYSNAME:
|
|
string = ostype;
|
|
break;
|
|
|
|
case OSF1_SI_HOSTNAME:
|
|
string = hostname;
|
|
break;
|
|
|
|
case OSF1_SI_RELEASE:
|
|
string = osrelease;
|
|
break;
|
|
|
|
case OSF1_SI_VERSION:
|
|
goto should_handle;
|
|
|
|
case OSF1_SI_MACHINE:
|
|
string = MACHINE;
|
|
break;
|
|
|
|
case OSF1_SI_ARCHITECTURE:
|
|
string = MACHINE_ARCH;
|
|
break;
|
|
|
|
case OSF1_SI_HW_SERIAL:
|
|
string = "666"; /* OSF/1 emulation? YES! */
|
|
break;
|
|
|
|
case OSF1_SI_HW_PROVIDER:
|
|
string = "unknown";
|
|
break;
|
|
|
|
case OSF1_SI_SRPC_DOMAIN:
|
|
goto dont_care;
|
|
|
|
case OSF1_SI_SET_HOSTNAME:
|
|
goto should_handle;
|
|
|
|
case OSF1_SI_SET_SYSNAME:
|
|
goto should_handle;
|
|
|
|
case OSF1_SI_SET_SRPC_DOMAIN:
|
|
goto dont_care;
|
|
|
|
default:
|
|
should_handle:
|
|
printf("osf1_sys_sysinfo(%d, %p, 0x%lx)\n", SCARG(uap, cmd),
|
|
SCARG(uap, buf), SCARG(uap,len));
|
|
dont_care:
|
|
error = EINVAL;
|
|
break;
|
|
};
|
|
|
|
if (error == 0)
|
|
error = copyoutstr(string, SCARG(uap, buf), SCARG(uap, len),
|
|
NULL);
|
|
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
osf1_sys_uname(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct osf1_sys_uname_args *uap = v;
|
|
struct osf1_utsname u;
|
|
const char *cp;
|
|
char *dp, *ep;
|
|
|
|
/* XXX would use stackgap, but our struct utsname is too big! */
|
|
|
|
strncpy(u.sysname, ostype, sizeof(u.sysname));
|
|
strncpy(u.nodename, hostname, sizeof(u.nodename));
|
|
strncpy(u.release, osrelease, sizeof(u.release));
|
|
dp = u.version;
|
|
ep = &u.version[sizeof(u.version) - 1];
|
|
for (cp = version; *cp && *cp != '('; cp++)
|
|
;
|
|
for (cp++; *cp && *cp != ')' && dp < ep; cp++)
|
|
*dp++ = *cp;
|
|
for (; *cp && *cp != '#'; cp++)
|
|
;
|
|
for (; *cp && *cp != ':' && dp < ep; cp++)
|
|
*dp++ = *cp;
|
|
*dp = '\0';
|
|
strncpy(u.machine, MACHINE, sizeof(u.machine));
|
|
return (copyout((caddr_t)&u, (caddr_t)SCARG(uap, name), sizeof u));
|
|
}
|
|
|
|
int
|
|
osf1_sys_usleep_thread(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct osf1_sys_usleep_thread_args *uap = v;
|
|
struct osf1_timeval otv, endotv;
|
|
struct timeval tv, endtv;
|
|
u_long ticks;
|
|
int error, s;
|
|
|
|
if ((error = copyin(SCARG(uap, sleep), &otv, sizeof otv)))
|
|
return (error);
|
|
tv.tv_sec = otv.tv_sec;
|
|
tv.tv_usec = otv.tv_usec;
|
|
|
|
ticks = howmany((u_long)tv.tv_sec * 1000000 + tv.tv_usec, tick);
|
|
if (ticks == 0)
|
|
ticks = 1;
|
|
|
|
s = splclock();
|
|
tv = time;
|
|
splx(s);
|
|
|
|
tsleep(p, PUSER|PCATCH, "uslpthrd", ticks); /* XXX */
|
|
|
|
if (SCARG(uap, slept) != NULL) {
|
|
s = splclock();
|
|
timersub(&time, &tv, &endtv);
|
|
splx(s);
|
|
if (endtv.tv_sec < 0 || endtv.tv_usec < 0)
|
|
endtv.tv_sec = endtv.tv_usec = 0;
|
|
|
|
endotv.tv_sec = endtv.tv_sec;
|
|
endotv.tv_usec = endtv.tv_usec;
|
|
error = copyout(&endotv, SCARG(uap, slept), sizeof endotv);
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
osf1_sys_wait4(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct osf1_sys_wait4_args *uap = v;
|
|
struct sys_wait4_args a;
|
|
struct osf1_rusage osf1_rusage;
|
|
struct rusage netbsd_rusage;
|
|
unsigned long leftovers;
|
|
caddr_t sg;
|
|
int error;
|
|
|
|
SCARG(&a, pid) = SCARG(uap, pid);
|
|
SCARG(&a, status) = SCARG(uap, status);
|
|
|
|
/* translate options */
|
|
SCARG(&a, options) = emul_flags_translate(osf1_wait_options_xtab,
|
|
SCARG(uap, options), &leftovers);
|
|
if (leftovers != 0)
|
|
return (EINVAL);
|
|
|
|
if (SCARG(uap, rusage) == NULL)
|
|
SCARG(&a, rusage) = NULL;
|
|
else {
|
|
sg = stackgap_init(p->p_emul);
|
|
SCARG(&a, rusage) = stackgap_alloc(&sg, sizeof netbsd_rusage);
|
|
}
|
|
|
|
error = sys_wait4(p, &a, retval);
|
|
|
|
if (error == 0 && SCARG(&a, rusage) != NULL) {
|
|
error = copyin((caddr_t)SCARG(&a, rusage),
|
|
(caddr_t)&netbsd_rusage, sizeof netbsd_rusage);
|
|
if (error == 0) {
|
|
osf1_cvt_rusage_from_native(&netbsd_rusage,
|
|
&osf1_rusage);
|
|
error = copyout((caddr_t)&osf1_rusage,
|
|
(caddr_t)SCARG(uap, rusage), sizeof osf1_rusage);
|
|
}
|
|
}
|
|
|
|
return (error);
|
|
}
|