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Fix void * arithmetic.

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This commit is contained in:
tsubai 1999-01-10 10:24:16 +00:00
parent ddb8209b40
commit ae67dbc85d
5 changed files with 52 additions and 42 deletions
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8
sys/arch/powerpc/powerpc/copyinstr.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: copyinstr.c,v 1.1 1996/09/30 16:34:42 ws Exp $ */
/* $NetBSD: copyinstr.c,v 1.2 1999/01/10 10:24:16 tsubai Exp $ */
/*-
* Copyright (C) 1995 Wolfgang Solfrank.
@ -32,23 +32,25 @@
*/
#include <sys/param.h>
#include <sys/errno.h>
#include <sys/systm.h>
/*
* Emulate copyinstr.
*/
int
copyinstr(udaddr, kaddr, len, done)
void *udaddr;
const void *udaddr;
void *kaddr;
size_t len;
size_t *done;
{
int c;
const u_char *up = udaddr;
u_char *kp = kaddr;
int l;
for (l = 0; len-- > 0; l++) {
if ((c = fubyte(udaddr++)) < 0) {
if ((c = fubyte(up++)) < 0) {
*done = l;
return EACCES;
}

10
sys/arch/powerpc/powerpc/copyoutstr.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: copyoutstr.c,v 1.1 1996/09/30 16:34:42 ws Exp $ */
/* $NetBSD: copyoutstr.c,v 1.2 1999/01/10 10:24:16 tsubai Exp $ */
/*-
* Copyright (C) 1995 Wolfgang Solfrank.
@ -32,22 +32,24 @@
*/
#include <sys/param.h>
#include <sys/errno.h>
#include <sys/systm.h>
/*
* Emulate copyoutstr.
*/
int
copyoutstr(kaddr, udaddr, len, done)
void *kaddr;
const void *kaddr;
void *udaddr;
size_t len;
size_t *done;
{
u_char *kp = kaddr;
const u_char *kp = kaddr;
u_char *up = udaddr;
int l;
for (l = 0; len-- > 0; l++) {
if (subyte(udaddr++, *kp) < 0) {
if (subyte(up++, *kp) < 0) {
*done = l;
return EACCES;
}

12
sys/arch/powerpc/powerpc/openfirm.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: openfirm.c,v 1.3 1998/11/15 19:53:25 tsubai Exp $ */
/* $NetBSD: openfirm.c,v 1.4 1999/01/10 10:24:16 tsubai Exp $ */
/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
@ -450,17 +450,18 @@ OF_read(handle, addr, len)
1,
};
int l, act = 0;
char *p = addr;
ofw_stack();
args.ihandle = handle;
args.addr = OF_buf;
for (; len > 0; len -= l, addr += l) {
for (; len > 0; len -= l, p += l) {
l = min(NBPG, len);
args.len = l;
if (openfirmware(&args) == -1)
return -1;
if (args.actual > 0) {
ofbcopy(OF_buf, addr, args.actual);
ofbcopy(OF_buf, p, args.actual);
act += args.actual;
}
if (args.actual < l)
@ -492,13 +493,14 @@ OF_write(handle, addr, len)
1,
};
int l, act = 0;
char *p = addr;
ofw_stack();
args.ihandle = handle;
args.addr = OF_buf;
for (; len > 0; len -= l, addr += l) {
for (; len > 0; len -= l, p += l) {
l = min(NBPG, len);
ofbcopy(addr, OF_buf, l);
ofbcopy(p, OF_buf, l);
args.len = l;
if (openfirmware(&args) == -1)
return -1;

4
sys/arch/powerpc/powerpc/pmap.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.10 1998/10/13 11:30:47 tsubai Exp $ */
/* $NetBSD: pmap.c,v 1.11 1999/01/10 10:24:17 tsubai Exp $ */
/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
@ -395,7 +395,7 @@ pmap_bootstrap(kernelstart, kernelend)
if (s < mp1->start)
break;
if (mp1 < mp) {
bcopy(mp1, mp1 + 1, (void *)mp - (void *)mp1);
bcopy(mp1, mp1 + 1, (char *)mp - (char *)mp1);
mp1->start = s;
mp1->size = sz;
} else {

34
sys/arch/powerpc/powerpc/trap.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: trap.c,v 1.14 1998/11/26 21:06:21 thorpej Exp $ */
/* $NetBSD: trap.c,v 1.15 1999/01/10 10:24:17 tsubai Exp $ */
/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
@ -396,21 +396,23 @@ copyin(udaddr, kaddr, len)
void *kaddr;
size_t len;
{
void *p;
const char *up = udaddr;
char *kp = kaddr;
char *p;
size_t l;
faultbuf env;
if (setfault(env))
return EFAULT;
while (len > 0) {
p = USER_ADDR + ((u_int)udaddr & ~SEGMENT_MASK);
l = (USER_ADDR + SEGMENT_LENGTH) - p;
p = (char *)USER_ADDR + ((u_int)up & ~SEGMENT_MASK);
l = ((char *)USER_ADDR + SEGMENT_LENGTH) - p;
if (l > len)
l = len;
setusr(curpcb->pcb_pm->pm_sr[(u_int)udaddr >> ADDR_SR_SHFT]);
bcopy(p, kaddr, l);
udaddr += l;
kaddr += l;
setusr(curpcb->pcb_pm->pm_sr[(u_int)up >> ADDR_SR_SHFT]);
bcopy(p, kp, l);
up += l;
kp += l;
len -= l;
}
curpcb->pcb_onfault = 0;
@ -423,21 +425,23 @@ copyout(kaddr, udaddr, len)
void *udaddr;
size_t len;
{
void *p;
const char *kp = kaddr;
char *up = udaddr;
char *p;
size_t l;
faultbuf env;
if (setfault(env))
return EFAULT;
while (len > 0) {
p = USER_ADDR + ((u_int)udaddr & ~SEGMENT_MASK);
l = (USER_ADDR + SEGMENT_LENGTH) - p;
p = (char *)USER_ADDR + ((u_int)up & ~SEGMENT_MASK);
l = ((char *)USER_ADDR + SEGMENT_LENGTH) - p;
if (l > len)
l = len;
setusr(curpcb->pcb_pm->pm_sr[(u_int)udaddr >> ADDR_SR_SHFT]);
bcopy(kaddr, p, l);
udaddr += l;
kaddr += l;
setusr(curpcb->pcb_pm->pm_sr[(u_int)up >> ADDR_SR_SHFT]);
bcopy(kp, p, l);
up += l;
kp += l;
len -= l;
}
curpcb->pcb_onfault = 0;