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efi: Relocate FDT to 127MB instead of 128MB

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Sandbox only has 128MB of memory so we cannot relocate the device tree up
to start at 128MB. Use 127MB instead, which should be safe.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Simon Glass 2018-08-08 03:54:29 -06:00 committed by Alexander Graf
parent efe79a7c0d
commit baf70c0210
1 changed files with 2 additions and 2 deletions

4
cmd/bootefi.c
View File

@ -158,8 +158,8 @@ static void *copy_fdt(void *fdt)
fdt_size = ALIGN(fdt_size + EFI_PAGE_SIZE - 1, EFI_PAGE_SIZE);
fdt_pages = fdt_size >> EFI_PAGE_SHIFT;
/* Safe fdt location is at 128MB */
new_fdt_addr = fdt_ram_start + (128 * 1024 * 1024) + fdt_size;
/* Safe fdt location is at 127MB */
new_fdt_addr = fdt_ram_start + (127 * 1024 * 1024) + fdt_size;
if (efi_allocate_pages(EFI_ALLOCATE_MAX_ADDRESS,
EFI_RUNTIME_SERVICES_DATA, fdt_pages,
&new_fdt_addr) != EFI_SUCCESS) {