void stage_cache_load_stage(int stage_id, struct prog *stage)
{
struct imd *imd;
struct stage_cache *meta;
const struct imd_entry *e;
void *c;
size_t size;
imd = imd_get();
e = imd_entry_find(imd, CBMEM_ID_STAGEx_META + stage_id);
if (e == NULL) {
printk(BIOS_DEBUG, "Error: Can't find %x metadata in imd\n",
CBMEM_ID_STAGEx_META + stage_id);
return;
}
meta = imd_entry_at(imd, e);
e = imd_entry_find(imd, CBMEM_ID_STAGEx_CACHE + stage_id);
if (e == NULL) {
printk(BIOS_DEBUG, "Error: Can't find stage_cache %x in imd\n",
CBMEM_ID_STAGEx_CACHE + stage_id);
return;
}
c = imd_entry_at(imd, e);
size = imd_entry_size(imd, e);
memcpy((void *)(uintptr_t)meta->load_addr, c, size);
prog_set_area(stage, (void *)(uintptr_t)meta->load_addr, size);
prog_set_entry(stage, (void *)(uintptr_t)meta->entry_addr,
(void *)(uintptr_t)meta->arg);
}
/* Retrieve a region provided a given id. */
const struct cbmem_entry *cbmem_entry_find(u32 id)
{
struct imd *imd;
struct imd imd_backing;
const struct imd_entry *e;
imd = imd_init_backing_with_recover(&imd_backing);
e = imd_entry_find(imd, id);
return imd_to_cbmem(e);
}
const struct imd_entry *imd_entry_find_or_add(const struct imd *imd,
uint32_t id, size_t size)
{
const struct imd_entry *e;
e = imd_entry_find(imd, id);
if (e != NULL)
return e;
return imd_entry_add(imd, id, size);
}
void *cbmem_find(u32 id)
{
struct imd *imd;
struct imd imd_backing;
const struct imd_entry *e;
imd = imd_init_backing_with_recover(&imd_backing);
e = imd_entry_find(imd, id);
if (e == NULL)
return NULL;
return imd_entry_at(imd, e);
}
void stage_cache_get_raw(int stage_id, void **base, size_t *size)
{
struct imd *imd;
const struct imd_entry *e;
imd = imd_get();
e = imd_entry_find(imd, CBMEM_ID_STAGEx_RAW + stage_id);
if (e == NULL) {
printk(BIOS_DEBUG, "Error: Can't find %x raw data to imd\n",
CBMEM_ID_STAGEx_RAW + stage_id);
return;
}
*base = imd_entry_at(imd, e);
*size = imd_entry_size(imd, e);
}
