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authorKonstantin Kirik (snegovick) <snegovick@uprojects.org>2025-12-28 12:27:31 +0300
committerKonstantin Kirik (snegovick) <snegovick@uprojects.org>2025-12-28 12:27:31 +0300
commit78ee7d5717807e6ac779293d0d3c78341de6130a (patch)
treea43e3b0f61318ac45e6d907c7cc5bad2c6d7f497 /os/mpc/rmap.c
parentbdaf46cf45bbb59261da245d548a179d95a42768 (diff)
Move existing boards into subdits split per arch
Diffstat (limited to 'os/mpc/rmap.c')
-rw-r--r--os/mpc/rmap.c106
1 files changed, 0 insertions, 106 deletions
diff --git a/os/mpc/rmap.c b/os/mpc/rmap.c
deleted file mode 100644
index f521c24d..00000000
--- a/os/mpc/rmap.c
+++ /dev/null
@@ -1,106 +0,0 @@
-#include "u.h"
-#include "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){
- print("mapfree: %s: losing 0x%luX, %d\n",
- 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;
-}