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efi_loader: store DT in EFI_RUNTIME_SERVICES_DATA memory 

The device tree is needed at runtime. So we have to store it in
EFI_RUNTIME_SERVICES_DATA memory.

The UEFI spec recommends to store all configuration tables in
EFI_RUNTIME_SERVICES_DATA memory.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Heinrich Schuchardt 2018-01-18 23:21:22 +01:00 committed by Alexander Graf
parent 8218f7b5fc
commit 17ff6f02f5
1 changed files with 2 additions and 2 deletions
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4
cmd/bootefi.c
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@ -103,11 +103,11 @@ static void *copy_fdt(void *fdt)
/* Safe fdt location is at 128MB */
new_fdt_addr = fdt_ram_start + (128 * 1024 * 1024) + fdt_size;
if (efi_allocate_pages(1, EFI_BOOT_SERVICES_DATA, fdt_pages,
if (efi_allocate_pages(1, EFI_RUNTIME_SERVICES_DATA, fdt_pages,
&new_fdt_addr) != EFI_SUCCESS) {
/* If we can't put it there, put it somewhere */
new_fdt_addr = (ulong)memalign(EFI_PAGE_SIZE, fdt_size);
if (efi_allocate_pages(1, EFI_BOOT_SERVICES_DATA, fdt_pages,
if (efi_allocate_pages(1, EFI_RUNTIME_SERVICES_DATA, fdt_pages,
&new_fdt_addr) != EFI_SUCCESS) {
printf("ERROR: Failed to reserve space for FDT\n");
return NULL;