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efi_loader: put device tree into EfiACPIReclaimMemory

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According to the UEFI spec ACPI tables should be placed in
EfiACPIReclaimMemory. Let's do the same with the device tree.

Suggested-by: Ard Biesheuvel <ardb@kernel.org>
Cc: Grant Likely <grant.likely@arm.com>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt 2020-05-06 20:32:31 +02:00
parent 9900e4623a
commit 42a426e027
2 changed files with 4 additions and 4 deletions
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4
cmd/bootefi.c
View file

@ -127,13 +127,13 @@ static efi_status_t copy_fdt(void **fdtp)
new_fdt_addr = (uintptr_t)map_sysmem(fdt_ram_start + 0x7f00000 +
fdt_size, 0);
ret = efi_allocate_pages(EFI_ALLOCATE_MAX_ADDRESS,
EFI_BOOT_SERVICES_DATA, fdt_pages,
EFI_ACPI_RECLAIM_MEMORY, fdt_pages,
&new_fdt_addr);
if (ret != EFI_SUCCESS) {
/* If we can't put it there, put it somewhere */
new_fdt_addr = (ulong)memalign(EFI_PAGE_SIZE, fdt_size);
ret = efi_allocate_pages(EFI_ALLOCATE_MAX_ADDRESS,
EFI_BOOT_SERVICES_DATA, fdt_pages,
EFI_ACPI_RECLAIM_MEMORY, fdt_pages,
&new_fdt_addr);
if (ret != EFI_SUCCESS) {
printf("ERROR: Failed to reserve space for FDT\n");

4
lib/efi_selftest/efi_selftest_memory.c
View file

@ -176,9 +176,9 @@ static int execute(void)
/* Check memory reservation for the device tree */
if (fdt_addr &&
find_in_memory_map(map_size, memory_map, desc_size, fdt_addr,
EFI_BOOT_SERVICES_DATA) != EFI_ST_SUCCESS) {
EFI_ACPI_RECLAIM_MEMORY) != EFI_ST_SUCCESS) {
efi_st_error
("Device tree not marked as boot services data\n");
("Device tree not marked as ACPI reclaim memory\n");
return EFI_ST_FAILURE;
}
return EFI_ST_SUCCESS;