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#include "PR/region.h"
#include "PR/R4300.h"
#include "PR/ultraerror.h"
#include "PR/os_internal.h"
#include "assert.h"
// TODO: this comes from a header
#ident "$Revision: 1.17 $"
void osFree(void* region, void* addr) {
register OSRegion* rp = region;
int i;
#ifdef _DEBUG
assert((region != NULL) && (addr != NULL));
if (((char*)rp + ALIGN(sizeof(OSRegion), rp->r_alignSize)) != rp->r_startBufferAddress) {
__osError(ERR_OSFREE_REGION, 1, region);
return;
}
#endif
i = ((u8*)addr - rp->r_startBufferAddress) / rp->r_bufferSize;
#ifdef _DEBUG
if ((i < 0) || (i >= rp->r_bufferCount)) {
__osError(ERR_OSFREE_ADDR, 2, addr, region);
return;
}
if (((unsigned char*)addr - rp->r_startBufferAddress) % (rp->r_bufferSize) != 0) {
__osError(ERR_OSFREE_ADDR, 2, addr, region);
return;
}
#endif
*(u16*)(&rp->r_startBufferAddress[i * rp->r_bufferSize]) = rp->r_freeList;
rp->r_freeList = i;
}
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