|
|
|
1999/0121/sys/src/9/mpc/rmap.c:44,50 –
2000/0521/sys/src/9/mpc/rmap.c:44,50
(short | long)
|
|
1999/0121
| |
}
else do{
if(mp >= rmap->mapend){
print("mapfree: %s: losing 0x%uX, %d\n",
|
|
2000/0521
| |
print("mapfree: %s: losing 0x%luX, %d\n",
|
|
1999/0121
| |
rmap->name, addr, size);
break;
}
|
|
|
|
2000/0521/sys/src/9/mpc/rmap.c:1,106 –
2001/0527/sys/src/9/mpc/rmap.c:0
(short | long)
|
Deleted.
rsc Mon Mar 7 10:28:46 2005
|
|
1999/0121
| |
#include "u.h"
#include "../port/lib.h"
#include "mem.h"
#include "dat.h"
#include "fns.h"
void
mapinit(RMap *rmap, Map *map, int size)
{
lock(rmap);
rmap->map = map;
rmap->mapend = map+(size/sizeof(Map));
unlock(rmap);
}
void
mapfree(RMap* rmap, ulong addr, int size)
{
Map *mp;
ulong t;
if(size <= 0)
return;
lock(rmap);
for(mp = rmap->map; mp->addr <= addr && mp->size; mp++)
;
if(mp > rmap->map && (mp-1)->addr+(mp-1)->size == addr){
(mp-1)->size += size;
if(addr+size == mp->addr){
(mp-1)->size += mp->size;
while(mp->size){
mp++;
(mp-1)->addr = mp->addr;
(mp-1)->size = mp->size;
}
}
}
else{
if(addr+size == mp->addr && mp->size){
mp->addr -= size;
mp->size += size;
}
else do{
if(mp >= rmap->mapend){
|
|
2000/0521
| |
print("mapfree: %s: losing 0x%luX, %d\n",
|
|
1999/0121
| |
rmap->name, addr, size);
break;
}
t = mp->addr;
mp->addr = addr;
addr = t;
t = mp->size;
mp->size = size;
mp++;
}while(size = t);
}
unlock(rmap);
}
ulong
rmapalloc(RMap* rmap, ulong addr, int size, int align)
{
Map *mp;
ulong maddr, oaddr;
lock(rmap);
for(mp = rmap->map; mp->size; mp++){
maddr = mp->addr;
if(addr){
if(maddr > addr)
break;
if(maddr+mp->size < addr)
continue;
if(addr+size > maddr+mp->size)
break;
maddr = addr;
}
if(align > 0)
maddr = ((maddr+align-1)/align)*align;
if(mp->addr+mp->size-maddr < size)
continue;
oaddr = mp->addr;
mp->addr = maddr+size;
mp->size -= maddr-oaddr+size;
if(mp->size == 0){
do{
mp++;
(mp-1)->addr = mp->addr;
}while((mp-1)->size = mp->size);
}
unlock(rmap);
if(oaddr != maddr)
mapfree(rmap, oaddr, maddr-oaddr);
return maddr;
}
unlock(rmap);
return 0;
}
|