int cbmem_initialize_id_size(u32 id, u64 size)
{
struct imd *imd;
struct imd imd_backing;
const int recovery = 1;
cbmem_top_init_once();
imd = imd_init_backing(&imd_backing);
imd_handle_init(imd, cbmem_top());
if (imd_recover(imd))
return 1;
#if defined(__PRE_RAM__)
/*
* Lock the imd in romstage on a recovery. The assumption is that
* if the imd area was recovered in romstage then S3 resume path
* is being taken.
*/
imd_lockdown(imd);
#endif
/* Add the specified range first */
if (size)
cbmem_add(id, size);
/* Complete migration to CBMEM. */
cbmem_run_init_hooks(recovery);
/* Recovery successful. */
return 0;
}
static void stage_cache_recover(void)
{
struct imd *imd;
void *base;
size_t size;
imd = imd_get();
stage_cache_external_region(&base, &size);
imd_handle_init(imd, (void *)(size + (uintptr_t)base));
if (imd_recover(imd))
printk(BIOS_DEBUG, "Unable to recover external stage cache.\n");
}