Collect all functions for copying to and from userspace into the one file.
This allows me to reimplement [sf]u{byte,word} as separate functions and not as calls to copy{in,out}.
This commit is contained in:
parent
4d826ecfbc
commit
bf76ba7826
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=92916
@ -14,20 +14,17 @@ powerpc/powerpc/atomic.s standard
|
||||
powerpc/powerpc/autoconf.c standard
|
||||
powerpc/powerpc/bcopy.c standard
|
||||
powerpc/powerpc/clock.c standard
|
||||
powerpc/powerpc/copyinstr.c standard
|
||||
powerpc/powerpc/copyinout.c standard
|
||||
powerpc/powerpc/copystr.c standard
|
||||
powerpc/powerpc/elf_machdep.c standard
|
||||
powerpc/powerpc/extintr.c standard
|
||||
powerpc/powerpc/fubyte.c standard
|
||||
powerpc/powerpc/fuswintr.c standard
|
||||
powerpc/powerpc/fuword.c standard
|
||||
powerpc/powerpc/machdep.c standard
|
||||
powerpc/powerpc/nexus.c standard
|
||||
powerpc/powerpc/ofwmagic.s standard
|
||||
powerpc/powerpc/ofw_machdep.c standard
|
||||
powerpc/powerpc/pmap.c standard
|
||||
powerpc/powerpc/subyte.c standard
|
||||
powerpc/powerpc/suswintr.c standard
|
||||
powerpc/powerpc/suword.c standard
|
||||
powerpc/powerpc/syncicache.c standard
|
||||
powerpc/powerpc/sys_machdep.c standard
|
||||
powerpc/powerpc/swtch.s standard
|
||||
|
260
sys/powerpc/aim/copyinout.c
Normal file
260
sys/powerpc/aim/copyinout.c
Normal file
@ -0,0 +1,260 @@
|
||||
/*
|
||||
* Copyright (C) 2002 Benno Rice
|
||||
* 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.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY Benno Rice ``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 TOOLS GMBH 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) 1993 Wolfgang Solfrank.
|
||||
* Copyright (C) 1993 TooLs GmbH.
|
||||
* 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 TooLs GmbH.
|
||||
* 4. The name of TooLs GmbH may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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.
|
||||
*/
|
||||
|
||||
#ifndef lint
|
||||
static const char rcsid[] =
|
||||
"$FreeBSD$";
|
||||
#endif /* not lint */
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/proc.h>
|
||||
|
||||
#include <vm/vm.h>
|
||||
#include <vm/pmap.h>
|
||||
#include <vm/vm_map.h>
|
||||
|
||||
/*
|
||||
* Makes sure that the right segment of userspace is mapped in.
|
||||
*/
|
||||
static __inline void
|
||||
set_user_sr(register_t vsid)
|
||||
{
|
||||
|
||||
isync();
|
||||
__asm __volatile ("mtsr %0,%1" :: "n"(USER_SR), "r"(vsid));
|
||||
isync();
|
||||
}
|
||||
|
||||
int
|
||||
copyout(const void *kaddr, void *udaddr, size_t len)
|
||||
{
|
||||
struct thread *td;
|
||||
pmap_t pm;
|
||||
const char *kp;
|
||||
char *up, *p;
|
||||
size_t l;
|
||||
|
||||
td = PCPU_GET(curthread);
|
||||
pm = &td->td_proc->p_vmspace->vm_pmap;
|
||||
|
||||
kp = kaddr;
|
||||
up = udaddr;
|
||||
|
||||
while (len > 0) {
|
||||
p = (char *)USER_ADDR + ((u_int)up & ~SEGMENT_MASK);
|
||||
|
||||
l = ((char *)USER_ADDR + SEGMENT_LENGTH) - p;
|
||||
if (l > len)
|
||||
l = len;
|
||||
|
||||
set_user_sr(pm->pm_sr[(u_int)up >> ADDR_SR_SHFT]);
|
||||
|
||||
bcopy(kp, p, l);
|
||||
|
||||
up += l;
|
||||
kp += l;
|
||||
len -= l;
|
||||
}
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
int
|
||||
copyin(const void *udaddr, void *kaddr, size_t len)
|
||||
{
|
||||
struct thread *td;
|
||||
pmap_t pm;
|
||||
const char *up;
|
||||
char *kp, *p;
|
||||
size_t l;
|
||||
|
||||
td = PCPU_GET(curthread);
|
||||
pm = &td->td_proc->p_vmspace->vm_pmap;
|
||||
|
||||
kp = kaddr;
|
||||
up = udaddr;
|
||||
|
||||
while (len > 0) {
|
||||
p = (char *)USER_ADDR + ((u_int)up & ~SEGMENT_MASK);
|
||||
|
||||
l = ((char *)USER_ADDR + SEGMENT_LENGTH) - p;
|
||||
if (l > len)
|
||||
l = len;
|
||||
|
||||
set_user_sr(pm->pm_sr[(u_int)up >> ADDR_SR_SHFT]);
|
||||
|
||||
bcopy(p, kp, l);
|
||||
|
||||
up += l;
|
||||
kp += l;
|
||||
len -= l;
|
||||
}
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
int
|
||||
copyinstr(const void *udaddr, void *kaddr, size_t len, size_t *done)
|
||||
{
|
||||
struct thread *td;
|
||||
pmap_t pm;
|
||||
const char *up;
|
||||
char *kp;
|
||||
size_t l;
|
||||
int rv, c;
|
||||
|
||||
td = PCPU_GET(curthread);
|
||||
pm = &td->td_proc->p_vmspace->vm_pmap;
|
||||
|
||||
kp = kaddr;
|
||||
up = udaddr;
|
||||
|
||||
rv = ENAMETOOLONG;
|
||||
|
||||
for (l = 0; len-- > 0; l++) {
|
||||
if ((c = fubyte(up++)) < 0) {
|
||||
rv = EFAULT;
|
||||
break;
|
||||
}
|
||||
|
||||
if (!(*kp++ = c)) {
|
||||
l++;
|
||||
rv = 0;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (done != NULL) {
|
||||
*done = l;
|
||||
}
|
||||
|
||||
return (rv);
|
||||
}
|
||||
|
||||
int
|
||||
subyte(void *addr, int byte)
|
||||
{
|
||||
struct thread *td;
|
||||
pmap_t pm;
|
||||
char *p;
|
||||
|
||||
td = PCPU_GET(curthread);
|
||||
pm = &td->td_proc->p_vmspace->vm_pmap;
|
||||
p = (char *)((u_int)USER_ADDR + ((u_int)addr & ~SEGMENT_MASK));
|
||||
|
||||
set_user_sr(pm->pm_sr[(u_int)addr >> ADDR_SR_SHFT]);
|
||||
|
||||
*p = (char)byte;
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
int
|
||||
suibyte(void *addr, int byte)
|
||||
{
|
||||
|
||||
return (subyte(addr, byte));
|
||||
}
|
||||
|
||||
int
|
||||
suword(void *addr, long word)
|
||||
{
|
||||
struct thread *td;
|
||||
pmap_t pm;
|
||||
long *p;
|
||||
|
||||
td = PCPU_GET(curthread);
|
||||
pm = &td->td_proc->p_vmspace->vm_pmap;
|
||||
p = (long *)((u_int)USER_ADDR + ((u_int)addr & ~SEGMENT_MASK));
|
||||
|
||||
set_user_sr(pm->pm_sr[(u_int)addr >> ADDR_SR_SHFT]);
|
||||
|
||||
*p = word;
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
int
|
||||
fubyte(const void *addr)
|
||||
{
|
||||
struct thread *td;
|
||||
pmap_t pm;
|
||||
char *p;
|
||||
|
||||
td = PCPU_GET(curthread);
|
||||
pm = &td->td_proc->p_vmspace->vm_pmap;
|
||||
p = (char *)((u_int)USER_ADDR + ((u_int)addr & ~SEGMENT_MASK));
|
||||
|
||||
set_user_sr(pm->pm_sr[(u_int)addr >> ADDR_SR_SHFT]);
|
||||
|
||||
return ((int)*p);
|
||||
}
|
||||
|
||||
long
|
||||
fuword(const void *addr)
|
||||
{
|
||||
struct thread *td;
|
||||
pmap_t pm;
|
||||
long *p;
|
||||
|
||||
td = PCPU_GET(curthread);
|
||||
pm = &td->td_proc->p_vmspace->vm_pmap;
|
||||
p = (long *)((u_int)USER_ADDR + ((u_int)addr & ~SEGMENT_MASK));
|
||||
|
||||
set_user_sr(pm->pm_sr[(u_int)addr >> ADDR_SR_SHFT]);
|
||||
|
||||
return (*p);
|
||||
}
|
@ -554,96 +554,6 @@ child_return(void *arg)
|
||||
}
|
||||
#endif
|
||||
|
||||
static __inline void
|
||||
setusr(int content)
|
||||
{
|
||||
|
||||
__asm __volatile ("isync; mtsr %0,%1; isync"
|
||||
:: "n"(USER_SR), "r"(content));
|
||||
}
|
||||
|
||||
int
|
||||
copyin(udaddr, kaddr, len)
|
||||
const void *udaddr;
|
||||
void *kaddr;
|
||||
size_t len;
|
||||
{
|
||||
const char *up;
|
||||
char *kp, *p;
|
||||
size_t l;
|
||||
faultbuf env;
|
||||
uint segment;
|
||||
struct thread *td;
|
||||
pmap_t pm;
|
||||
|
||||
up = udaddr;
|
||||
kp = kaddr;
|
||||
|
||||
#if 0
|
||||
if (setfault(env)) {
|
||||
PCPU_GET(curpcb)->pcb_onfault = 0;
|
||||
return EFAULT;
|
||||
}
|
||||
#endif
|
||||
td = PCPU_GET(curthread);
|
||||
pm = &td->td_proc->p_vmspace->vm_pmap;
|
||||
while (len > 0) {
|
||||
p = (char *)USER_ADDR + ((u_int)up & ~SEGMENT_MASK);
|
||||
l = ((char *)USER_ADDR + SEGMENT_LENGTH) - p;
|
||||
if (l > len)
|
||||
l = len;
|
||||
segment = (uint)up >> ADDR_SR_SHFT;
|
||||
setusr(pm->pm_sr[segment]);
|
||||
bcopy(p, kp, l);
|
||||
up += l;
|
||||
kp += l;
|
||||
len -= l;
|
||||
}
|
||||
PCPU_GET(curpcb)->pcb_onfault = 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
copyout(kaddr, udaddr, len)
|
||||
const void *kaddr;
|
||||
void *udaddr;
|
||||
size_t len;
|
||||
{
|
||||
const char *kp;
|
||||
char *up, *p;
|
||||
size_t l;
|
||||
faultbuf env;
|
||||
unsigned int segment;
|
||||
struct thread *td;
|
||||
pmap_t pm;
|
||||
|
||||
kp = kaddr;
|
||||
up = udaddr;
|
||||
|
||||
#if 0
|
||||
if (setfault(env)) {
|
||||
PCPU_GET(curpcb)->pcb_onfault = 0;
|
||||
return EFAULT;
|
||||
}
|
||||
#endif
|
||||
td = PCPU_GET(curthread);
|
||||
pm = &td->td_proc->p_vmspace->vm_pmap;
|
||||
while (len > 0) {
|
||||
p = (char *)USER_ADDR + ((u_int)up & ~SEGMENT_MASK);
|
||||
l = ((char *)USER_ADDR + SEGMENT_LENGTH) - p;
|
||||
if (l > len)
|
||||
l = len;
|
||||
segment = (u_int)up >> ADDR_SR_SHFT;
|
||||
setusr(pm->pm_sr[segment]);
|
||||
bcopy(kp, p, l);
|
||||
up += l;
|
||||
kp += l;
|
||||
len -= l;
|
||||
}
|
||||
PCPU_GET(curpcb)->pcb_onfault = 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
#if 0 /* XXX: not used yet */
|
||||
/*
|
||||
* kcopy(const void *src, void *dst, size_t len);
|
||||
|
260
sys/powerpc/powerpc/copyinout.c
Normal file
260
sys/powerpc/powerpc/copyinout.c
Normal file
@ -0,0 +1,260 @@
|
||||
/*
|
||||
* Copyright (C) 2002 Benno Rice
|
||||
* 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.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY Benno Rice ``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 TOOLS GMBH 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) 1993 Wolfgang Solfrank.
|
||||
* Copyright (C) 1993 TooLs GmbH.
|
||||
* 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 TooLs GmbH.
|
||||
* 4. The name of TooLs GmbH may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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.
|
||||
*/
|
||||
|
||||
#ifndef lint
|
||||
static const char rcsid[] =
|
||||
"$FreeBSD$";
|
||||
#endif /* not lint */
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/proc.h>
|
||||
|
||||
#include <vm/vm.h>
|
||||
#include <vm/pmap.h>
|
||||
#include <vm/vm_map.h>
|
||||
|
||||
/*
|
||||
* Makes sure that the right segment of userspace is mapped in.
|
||||
*/
|
||||
static __inline void
|
||||
set_user_sr(register_t vsid)
|
||||
{
|
||||
|
||||
isync();
|
||||
__asm __volatile ("mtsr %0,%1" :: "n"(USER_SR), "r"(vsid));
|
||||
isync();
|
||||
}
|
||||
|
||||
int
|
||||
copyout(const void *kaddr, void *udaddr, size_t len)
|
||||
{
|
||||
struct thread *td;
|
||||
pmap_t pm;
|
||||
const char *kp;
|
||||
char *up, *p;
|
||||
size_t l;
|
||||
|
||||
td = PCPU_GET(curthread);
|
||||
pm = &td->td_proc->p_vmspace->vm_pmap;
|
||||
|
||||
kp = kaddr;
|
||||
up = udaddr;
|
||||
|
||||
while (len > 0) {
|
||||
p = (char *)USER_ADDR + ((u_int)up & ~SEGMENT_MASK);
|
||||
|
||||
l = ((char *)USER_ADDR + SEGMENT_LENGTH) - p;
|
||||
if (l > len)
|
||||
l = len;
|
||||
|
||||
set_user_sr(pm->pm_sr[(u_int)up >> ADDR_SR_SHFT]);
|
||||
|
||||
bcopy(kp, p, l);
|
||||
|
||||
up += l;
|
||||
kp += l;
|
||||
len -= l;
|
||||
}
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
int
|
||||
copyin(const void *udaddr, void *kaddr, size_t len)
|
||||
{
|
||||
struct thread *td;
|
||||
pmap_t pm;
|
||||
const char *up;
|
||||
char *kp, *p;
|
||||
size_t l;
|
||||
|
||||
td = PCPU_GET(curthread);
|
||||
pm = &td->td_proc->p_vmspace->vm_pmap;
|
||||
|
||||
kp = kaddr;
|
||||
up = udaddr;
|
||||
|
||||
while (len > 0) {
|
||||
p = (char *)USER_ADDR + ((u_int)up & ~SEGMENT_MASK);
|
||||
|
||||
l = ((char *)USER_ADDR + SEGMENT_LENGTH) - p;
|
||||
if (l > len)
|
||||
l = len;
|
||||
|
||||
set_user_sr(pm->pm_sr[(u_int)up >> ADDR_SR_SHFT]);
|
||||
|
||||
bcopy(p, kp, l);
|
||||
|
||||
up += l;
|
||||
kp += l;
|
||||
len -= l;
|
||||
}
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
int
|
||||
copyinstr(const void *udaddr, void *kaddr, size_t len, size_t *done)
|
||||
{
|
||||
struct thread *td;
|
||||
pmap_t pm;
|
||||
const char *up;
|
||||
char *kp;
|
||||
size_t l;
|
||||
int rv, c;
|
||||
|
||||
td = PCPU_GET(curthread);
|
||||
pm = &td->td_proc->p_vmspace->vm_pmap;
|
||||
|
||||
kp = kaddr;
|
||||
up = udaddr;
|
||||
|
||||
rv = ENAMETOOLONG;
|
||||
|
||||
for (l = 0; len-- > 0; l++) {
|
||||
if ((c = fubyte(up++)) < 0) {
|
||||
rv = EFAULT;
|
||||
break;
|
||||
}
|
||||
|
||||
if (!(*kp++ = c)) {
|
||||
l++;
|
||||
rv = 0;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (done != NULL) {
|
||||
*done = l;
|
||||
}
|
||||
|
||||
return (rv);
|
||||
}
|
||||
|
||||
int
|
||||
subyte(void *addr, int byte)
|
||||
{
|
||||
struct thread *td;
|
||||
pmap_t pm;
|
||||
char *p;
|
||||
|
||||
td = PCPU_GET(curthread);
|
||||
pm = &td->td_proc->p_vmspace->vm_pmap;
|
||||
p = (char *)((u_int)USER_ADDR + ((u_int)addr & ~SEGMENT_MASK));
|
||||
|
||||
set_user_sr(pm->pm_sr[(u_int)addr >> ADDR_SR_SHFT]);
|
||||
|
||||
*p = (char)byte;
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
int
|
||||
suibyte(void *addr, int byte)
|
||||
{
|
||||
|
||||
return (subyte(addr, byte));
|
||||
}
|
||||
|
||||
int
|
||||
suword(void *addr, long word)
|
||||
{
|
||||
struct thread *td;
|
||||
pmap_t pm;
|
||||
long *p;
|
||||
|
||||
td = PCPU_GET(curthread);
|
||||
pm = &td->td_proc->p_vmspace->vm_pmap;
|
||||
p = (long *)((u_int)USER_ADDR + ((u_int)addr & ~SEGMENT_MASK));
|
||||
|
||||
set_user_sr(pm->pm_sr[(u_int)addr >> ADDR_SR_SHFT]);
|
||||
|
||||
*p = word;
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
int
|
||||
fubyte(const void *addr)
|
||||
{
|
||||
struct thread *td;
|
||||
pmap_t pm;
|
||||
char *p;
|
||||
|
||||
td = PCPU_GET(curthread);
|
||||
pm = &td->td_proc->p_vmspace->vm_pmap;
|
||||
p = (char *)((u_int)USER_ADDR + ((u_int)addr & ~SEGMENT_MASK));
|
||||
|
||||
set_user_sr(pm->pm_sr[(u_int)addr >> ADDR_SR_SHFT]);
|
||||
|
||||
return ((int)*p);
|
||||
}
|
||||
|
||||
long
|
||||
fuword(const void *addr)
|
||||
{
|
||||
struct thread *td;
|
||||
pmap_t pm;
|
||||
long *p;
|
||||
|
||||
td = PCPU_GET(curthread);
|
||||
pm = &td->td_proc->p_vmspace->vm_pmap;
|
||||
p = (long *)((u_int)USER_ADDR + ((u_int)addr & ~SEGMENT_MASK));
|
||||
|
||||
set_user_sr(pm->pm_sr[(u_int)addr >> ADDR_SR_SHFT]);
|
||||
|
||||
return (*p);
|
||||
}
|
@ -1,73 +0,0 @@
|
||||
/*-
|
||||
* Copyright (C) 1995 Wolfgang Solfrank.
|
||||
* Copyright (C) 1995 TooLs GmbH.
|
||||
* 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 TooLs GmbH.
|
||||
* 4. The name of TooLs GmbH may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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.
|
||||
*
|
||||
* $NetBSD: copyinstr.c,v 1.3 2000/02/19 23:29:16 chs Exp $
|
||||
*/
|
||||
|
||||
#ifndef lint
|
||||
static const char rcsid[] =
|
||||
"$FreeBSD$";
|
||||
#endif /* not lint */
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/errno.h>
|
||||
#include <sys/systm.h>
|
||||
|
||||
/*
|
||||
* Emulate copyinstr.
|
||||
*/
|
||||
int
|
||||
copyinstr(const void *udaddr, void *kaddr, size_t len, size_t *done)
|
||||
{
|
||||
const u_char *up;
|
||||
u_char *kp;
|
||||
size_t l;
|
||||
int c, rv;
|
||||
|
||||
up = udaddr;
|
||||
kp = kaddr;
|
||||
|
||||
rv = ENAMETOOLONG;
|
||||
for (l = 0; len-- > 0; l++) {
|
||||
if ((c = fubyte(up++)) < 0) {
|
||||
rv = EFAULT;
|
||||
break;
|
||||
}
|
||||
if (!(*kp++ = c)) {
|
||||
l++;
|
||||
rv = 0;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (done != NULL) {
|
||||
*done = l;
|
||||
}
|
||||
return rv;
|
||||
}
|
@ -1,54 +0,0 @@
|
||||
/*-
|
||||
* Copyright (C) 1993 Wolfgang Solfrank.
|
||||
* Copyright (C) 1993 TooLs GmbH.
|
||||
* 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 TooLs GmbH.
|
||||
* 4. The name of TooLs GmbH may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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.
|
||||
*
|
||||
* $NetBSD: fubyte.c,v 1.2 2000/06/08 07:29:22 kleink Exp $
|
||||
*/
|
||||
|
||||
#ifndef lint
|
||||
static const char rcsid[] =
|
||||
"$FreeBSD$";
|
||||
#endif /* not lint */
|
||||
|
||||
#include <sys/systm.h>
|
||||
|
||||
/*
|
||||
* Emulate fubyte.
|
||||
*/
|
||||
int
|
||||
fubyte(const void *addr)
|
||||
{
|
||||
unsigned char c;
|
||||
|
||||
if (copyin(addr,&c,sizeof(c))) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
return c;
|
||||
}
|
@ -1,54 +0,0 @@
|
||||
/*-
|
||||
* Copyright (C) 1993 Wolfgang Solfrank.
|
||||
* Copyright (C) 1993 TooLs GmbH.
|
||||
* 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 TooLs GmbH.
|
||||
* 4. The name of TooLs GmbH may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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.
|
||||
*
|
||||
* $NetBSD: fubyte.c,v 1.2 2000/06/08 07:29:22 kleink Exp $
|
||||
*/
|
||||
|
||||
#ifndef lint
|
||||
static const char rcsid[] =
|
||||
"$FreeBSD$";
|
||||
#endif /* not lint */
|
||||
|
||||
#include <sys/systm.h>
|
||||
|
||||
/*
|
||||
* Emulate fuword.
|
||||
*/
|
||||
long
|
||||
fuword(const void *addr)
|
||||
{
|
||||
long l;
|
||||
|
||||
if (copyin(addr, &l, sizeof(l))) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
return l;
|
||||
}
|
@ -1,61 +0,0 @@
|
||||
/*-
|
||||
* Copyright (C) 1993 Wolfgang Solfrank.
|
||||
* Copyright (C) 1993 TooLs GmbH.
|
||||
* 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 TooLs GmbH.
|
||||
* 4. The name of TooLs GmbH may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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.
|
||||
*
|
||||
* $NetBSD: subyte.c,v 1.2 2000/06/09 14:05:47 kleink Exp $
|
||||
*/
|
||||
|
||||
#ifndef lint
|
||||
static const char rcsid[] =
|
||||
"$FreeBSD$";
|
||||
#endif /* not lint */
|
||||
|
||||
#include <sys/systm.h>
|
||||
|
||||
/*
|
||||
* Emulate subyte.
|
||||
*/
|
||||
|
||||
int
|
||||
subyte(void *base, int byte)
|
||||
{
|
||||
|
||||
if (copyout(&byte, base, 1)) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
suibyte(void *base, int byte)
|
||||
{
|
||||
|
||||
return subyte(base, byte);
|
||||
}
|
@ -1,53 +0,0 @@
|
||||
/*-
|
||||
* Copyright (C) 1993 Wolfgang Solfrank.
|
||||
* Copyright (C) 1993 TooLs GmbH.
|
||||
* 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 TooLs GmbH.
|
||||
* 4. The name of TooLs GmbH may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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.
|
||||
*
|
||||
* $NetBSD: suword.c,v 1.2 2000/06/09 14:05:49 kleink Exp $
|
||||
*/
|
||||
|
||||
#ifndef lint
|
||||
static const char rcsid[] =
|
||||
"$FreeBSD$";
|
||||
#endif /* not lint */
|
||||
|
||||
#include <sys/systm.h>
|
||||
|
||||
/*
|
||||
* Emulate suword
|
||||
*/
|
||||
int
|
||||
suword(void *addr, long l)
|
||||
{
|
||||
|
||||
if (copyout(&l, addr, sizeof(l))) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
@ -554,96 +554,6 @@ child_return(void *arg)
|
||||
}
|
||||
#endif
|
||||
|
||||
static __inline void
|
||||
setusr(int content)
|
||||
{
|
||||
|
||||
__asm __volatile ("isync; mtsr %0,%1; isync"
|
||||
:: "n"(USER_SR), "r"(content));
|
||||
}
|
||||
|
||||
int
|
||||
copyin(udaddr, kaddr, len)
|
||||
const void *udaddr;
|
||||
void *kaddr;
|
||||
size_t len;
|
||||
{
|
||||
const char *up;
|
||||
char *kp, *p;
|
||||
size_t l;
|
||||
faultbuf env;
|
||||
uint segment;
|
||||
struct thread *td;
|
||||
pmap_t pm;
|
||||
|
||||
up = udaddr;
|
||||
kp = kaddr;
|
||||
|
||||
#if 0
|
||||
if (setfault(env)) {
|
||||
PCPU_GET(curpcb)->pcb_onfault = 0;
|
||||
return EFAULT;
|
||||
}
|
||||
#endif
|
||||
td = PCPU_GET(curthread);
|
||||
pm = &td->td_proc->p_vmspace->vm_pmap;
|
||||
while (len > 0) {
|
||||
p = (char *)USER_ADDR + ((u_int)up & ~SEGMENT_MASK);
|
||||
l = ((char *)USER_ADDR + SEGMENT_LENGTH) - p;
|
||||
if (l > len)
|
||||
l = len;
|
||||
segment = (uint)up >> ADDR_SR_SHFT;
|
||||
setusr(pm->pm_sr[segment]);
|
||||
bcopy(p, kp, l);
|
||||
up += l;
|
||||
kp += l;
|
||||
len -= l;
|
||||
}
|
||||
PCPU_GET(curpcb)->pcb_onfault = 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
copyout(kaddr, udaddr, len)
|
||||
const void *kaddr;
|
||||
void *udaddr;
|
||||
size_t len;
|
||||
{
|
||||
const char *kp;
|
||||
char *up, *p;
|
||||
size_t l;
|
||||
faultbuf env;
|
||||
unsigned int segment;
|
||||
struct thread *td;
|
||||
pmap_t pm;
|
||||
|
||||
kp = kaddr;
|
||||
up = udaddr;
|
||||
|
||||
#if 0
|
||||
if (setfault(env)) {
|
||||
PCPU_GET(curpcb)->pcb_onfault = 0;
|
||||
return EFAULT;
|
||||
}
|
||||
#endif
|
||||
td = PCPU_GET(curthread);
|
||||
pm = &td->td_proc->p_vmspace->vm_pmap;
|
||||
while (len > 0) {
|
||||
p = (char *)USER_ADDR + ((u_int)up & ~SEGMENT_MASK);
|
||||
l = ((char *)USER_ADDR + SEGMENT_LENGTH) - p;
|
||||
if (l > len)
|
||||
l = len;
|
||||
segment = (u_int)up >> ADDR_SR_SHFT;
|
||||
setusr(pm->pm_sr[segment]);
|
||||
bcopy(kp, p, l);
|
||||
up += l;
|
||||
kp += l;
|
||||
len -= l;
|
||||
}
|
||||
PCPU_GET(curpcb)->pcb_onfault = 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
#if 0 /* XXX: not used yet */
|
||||
/*
|
||||
* kcopy(const void *src, void *dst, size_t len);
|
||||
|
Loading…
Reference in New Issue
Block a user