#include <mapmem.h>
#include <watchdog.h>
#include <linux/list_sort.h>
+#include <linux/sizes.h>
DECLARE_GLOBAL_DATA_PTR;
/* Reserve that map in our memory maps */
ret = efi_add_memory_map(addr, pages, memory_type, true);
if (ret == addr) {
- *memory = (uintptr_t)map_sysmem(addr, len);
+ *memory = addr;
} else {
/* Map would overlap, bail out */
r = EFI_OUT_OF_RESOURCES;
void *efi_alloc(uint64_t len, int memory_type)
{
uint64_t ret = 0;
- uint64_t pages = (len + EFI_PAGE_MASK) >> EFI_PAGE_SHIFT;
+ uint64_t pages = efi_size_in_pages(len);
efi_status_t r;
r = efi_allocate_pages(EFI_ALLOCATE_ANY_PAGES, memory_type, pages,
efi_status_t efi_free_pages(uint64_t memory, efi_uintn_t pages)
{
uint64_t r = 0;
- uint64_t addr = map_to_sysmem((void *)(uintptr_t)memory);
- r = efi_add_memory_map(addr, pages, EFI_CONVENTIONAL_MEMORY, false);
+ r = efi_add_memory_map(memory, pages, EFI_CONVENTIONAL_MEMORY, false);
/* Merging of adjacent free regions is missing */
- if (r == addr)
+ if (r == memory)
return EFI_SUCCESS;
return EFI_NOT_FOUND;
{
efi_status_t r;
struct efi_pool_allocation *alloc;
- u64 num_pages = (size + sizeof(struct efi_pool_allocation) +
- EFI_PAGE_MASK) >> EFI_PAGE_SHIFT;
+ u64 num_pages = efi_size_in_pages(size +
+ sizeof(struct efi_pool_allocation));
if (!buffer)
return EFI_INVALID_PARAMETER;
for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
u64 ram_end, ram_start, pages;
- ram_start = gd->bd->bi_dram[i].start;
+ ram_start = (uintptr_t)map_sysmem(gd->bd->bi_dram[i].start, 0);
ram_end = ram_start + gd->bd->bi_dram[i].size;
/* Remove partial pages */
static void add_u_boot_and_runtime(void)
{
unsigned long runtime_start, runtime_end, runtime_pages;
+ unsigned long runtime_mask = EFI_PAGE_MASK;
unsigned long uboot_start, uboot_pages;
unsigned long uboot_stack_size = 16 * 1024 * 1024;
uboot_pages = (gd->ram_top - uboot_start) >> EFI_PAGE_SHIFT;
efi_add_memory_map(uboot_start, uboot_pages, EFI_LOADER_DATA, false);
- /* Add Runtime Services */
- runtime_start = (ulong)&__efi_runtime_start & ~EFI_PAGE_MASK;
+#if defined(__aarch64__)
+ /*
+ * Runtime Services must be 64KiB aligned according to the
+ * "AArch64 Platforms" section in the UEFI spec (2.7+).
+ */
+
+ runtime_mask = SZ_64K - 1;
+#endif
+
+ /*
+ * Add Runtime Services. We mark surrounding boottime code as runtime as
+ * well to fulfill the runtime alignment constraints but avoid padding.
+ */
+ runtime_start = (ulong)&__efi_runtime_start & ~runtime_mask;
runtime_end = (ulong)&__efi_runtime_stop;
- runtime_end = (runtime_end + EFI_PAGE_MASK) & ~EFI_PAGE_MASK;
+ runtime_end = (runtime_end + runtime_mask) & ~runtime_mask;
runtime_pages = (runtime_end - runtime_start) >> EFI_PAGE_SHIFT;
efi_add_memory_map(runtime_start, runtime_pages,
EFI_RUNTIME_SERVICES_CODE, false);