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efi_loader: create memory reservations in ACPI case

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ACPI tables cannot convey memory reservations for ARM and RISC-V.
x86 uses the BIOS E820 table for this purpose. We cannot simply ignore the
device-tree when booting via ACPI. We have to assign EfiReservedMemory
according to the prior stage device-tree ($fdtaddr) or as fallback the
control device-tree ($fdtcontroladdr).

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Heinrich Schuchardt
2023-11-16 10:29:28 +01:00
parent 8c06b27eec
commit 1be415b21b
2 changed files with 10 additions and 17 deletions
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2
lib/efi_loader/Makefile
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@@ -51,9 +51,7 @@ obj-y += efi_console.o
obj-y += efi_device_path.o
obj-$(CONFIG_EFI_DEVICE_PATH_TO_TEXT) += efi_device_path_to_text.o
obj-$(CONFIG_EFI_DEVICE_PATH_UTIL) += efi_device_path_utilities.o
ifeq ($(CONFIG_GENERATE_ACPI_TABLE),)
obj-y += efi_dt_fixup.o
endif
obj-y += efi_file.o
obj-$(CONFIG_EFI_LOADER_HII) += efi_hii.o
obj-y += efi_image_loader.o