{
u64 tg;
+ /*
+ * If we have 48 bits of VA space for TTBR0 mappings, we can map the
+ * UEFI runtime regions 1:1 and so calling SetVirtualAddressMap() is
+ * unnecessary.
+ */
+ if (VA_BITS_MIN >= 48)
+ efi_novamap = true;
+
/* UEFI mandates support for 4 KB granularity, no need to check */
if (IS_ENABLED(CONFIG_ARM64_4K_PAGES))
return EFI_SUCCESS;
*/
static bool check_image_region(u64 base, u64 size)
{
- unsigned long map_size, desc_size, buff_size;
- efi_memory_desc_t *memory_map;
- struct efi_boot_memmap map;
+ struct efi_boot_memmap *map;
efi_status_t status;
bool ret = false;
int map_offset;
- map.map = &memory_map;
- map.map_size = &map_size;
- map.desc_size = &desc_size;
- map.desc_ver = NULL;
- map.key_ptr = NULL;
- map.buff_size = &buff_size;
-
- status = efi_get_memory_map(&map);
+ status = efi_get_memory_map(&map, false);
if (status != EFI_SUCCESS)
return false;
- for (map_offset = 0; map_offset < map_size; map_offset += desc_size) {
- efi_memory_desc_t *md = (void *)memory_map + map_offset;
+ for (map_offset = 0; map_offset < map->map_size; map_offset += map->desc_size) {
+ efi_memory_desc_t *md = (void *)map->map + map_offset;
u64 end = md->phys_addr + md->num_pages * EFI_PAGE_SIZE;
/*
}
}
- efi_bs_call(free_pool, memory_map);
+ efi_bs_call(free_pool, map);
return ret;
}