void *lmm_alloc_aligned(lmm_t *lmm, int size, lmm_flags_t flags,
int align_bits, unsigned int align_ofs)
{
return lmm_alloc_gen(lmm, size, flags,
align_bits, align_ofs,
0, -1);
}
/* Remove any memory in the specified range from the free memory list. */
void malloc_reserve(vm_offset_t rstart, vm_offset_t rend)
{
/*printf("malloc_reserve %08x-%08x\n", rstart, rend);*/
while (rstart < rend)
{
vm_offset_t size;
lmm_flags_t flags;
void *ptr;
/*printf("lmm_find_free %08x ", rstart);*/
lmm_find_free(&malloc_lmm, &rstart, &size, &flags);
/*printf(" returned %08x-%08x (size %08x) flags %08x\n",
rstart, rstart+size, size, flags);*/
if ((size == 0) || (rstart >= rend))
break;
if (rstart + size > rend)
size = rend - rstart;
/*printf("reserving %08x-%08x\n", rstart, rstart+size);*/
ptr = lmm_alloc_gen(&malloc_lmm, size, flags, 0, 0,
rstart, size);
assert((vm_offset_t)ptr == rstart);
}
}
void lmm_remove_free(lmm_t *lmm, void *block, oskit_size_t block_size)
{
oskit_addr_t rstart = (oskit_addr_t)block;
oskit_addr_t rend = rstart + block_size;
assert(rend > rstart);
while (rstart < rend)
{
oskit_addr_t size;
lmm_flags_t flags;
void *ptr;
lmm_find_free(lmm, &rstart, &size, &flags);
assert(rstart >= (oskit_addr_t)block);
if ((size == 0) || (rstart >= rend))
break;
if (rstart + size > rend)
size = rend - rstart;
ptr = lmm_alloc_gen(lmm, size, flags, 0, 0,
rstart, size);
assert((oskit_addr_t)ptr == rstart);
}
}
void *lmm_alloc_page(lmm_t *lmm, lmm_flags_t flags)
{
return lmm_alloc_gen(lmm, PAGE_SIZE, flags, PAGE_SHIFT, 0,
(vm_offset_t)0, (vm_size_t)-1);
}
void *lmm_alloc_page(lmm_t *lmm, lmm_flags_t flags)
{
return lmm_alloc_gen(lmm, PAGE_SIZE, flags, PAGE_SHIFT, 0,
0, -1);
}
