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@@ -71,12 +71,13 @@ Just build U-Boot as normal, e.g.
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make efi-x86_defconfig
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make
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-To build U-Boot as an EFI payload (32-bit or 64-bit EFI can be used), adjust an
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-existing config (like qemu-x86_defconfig) to enable CONFIG_EFI, CONFIG_EFI_STUB
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-and either CONFIG_EFI_STUB_32BIT or CONFIG_EFI_STUB_64BIT. All of these are
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-boolean Kconfig options. Then build U-Boot as normal, e.g.
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+To build U-Boot as an EFI payload (32-bit or 64-bit EFI can be used), enable
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+CONFIG_EFI, CONFIG_EFI_STUB, and select either CONFIG_EFI_STUB_32BIT or
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+CONFIG_EFI_STUB_64BIT. The efi-x86_payload configs (efi-x86_payload32_defconfig
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+and efi-x86_payload32_defconfig) are set up for this. Then build U-Boot as
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+normal, e.g.
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- make qemu-x86_defconfig
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+ make efi-x86_payload32_defconfig (or efi-x86_payload64_defconfig)
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make
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You will end up with one of these files depending on what you build for:
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@@ -211,11 +212,6 @@ Future work
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-----------
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This work could be extended in a number of ways:
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-- Add a generic x86 EFI payload configuration. At present you need to modify
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-an existing one, but mostly the low-level x86 code is disabled when booting
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-on EFI anyway, so a generic 'EFI' board could be created with a suitable set
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-of drivers enabled.
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-
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- Add ARM support
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- Add 64-bit application support
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@@ -241,6 +237,9 @@ arch/x86/cpu/efi
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board/efi/efi-x86/efi.c
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x86 board code for running as an EFI application
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+board/efi/efi-x86_payload
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+ generic x86 EFI payload board support code
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+
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common/cmd_efi.c
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the 'efi' command
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