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Diffstat (limited to 'cmd/bootefi.c')
-rw-r--r--cmd/bootefi.c21
1 files changed, 17 insertions, 4 deletions
diff --git a/cmd/bootefi.c b/cmd/bootefi.c
index 11b84c5528..707d159bac 100644
--- a/cmd/bootefi.c
+++ b/cmd/bootefi.c
@@ -17,6 +17,7 @@
#include <memalign.h>
#include <asm/global_data.h>
#include <asm-generic/sections.h>
+#include <asm-generic/unaligned.h>
#include <linux/linkage.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -83,6 +84,15 @@ out:
}
/*
+ * Allow unaligned memory access.
+ *
+ * This routine is overridden by architectures providing this feature.
+ */
+void __weak allow_unaligned(void)
+{
+}
+
+/*
* Set the load options of an image from an environment variable.
*
* @loaded_image_info: the image
@@ -133,11 +143,13 @@ 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_RUNTIME_SERVICES_DATA, fdt_pages,
+ if (efi_allocate_pages(EFI_ALLOCATE_MAX_ADDRESS,
+ 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_RUNTIME_SERVICES_DATA, fdt_pages,
+ if (efi_allocate_pages(EFI_ALLOCATE_MAX_ADDRESS,
+ EFI_RUNTIME_SERVICES_DATA, fdt_pages,
&new_fdt_addr) != EFI_SUCCESS) {
printf("ERROR: Failed to reserve space for FDT\n");
return NULL;
@@ -370,6 +382,9 @@ static int do_bootefi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
efi_status_t r;
void *fdt_addr;
+ /* Allow unaligned memory access */
+ allow_unaligned();
+
/* Initialize EFI drivers */
r = efi_init_obj_list();
if (r != EFI_SUCCESS) {
@@ -428,8 +443,6 @@ static int do_bootefi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
* callback entry
*/
efi_save_gd();
- /* Initialize and populate EFI object list */
- efi_init_obj_list();
/* Transfer environment variable efi_selftest as load options */
set_load_options(&loaded_image_info, "efi_selftest");
/* Execute the test */