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These functions are useful for the EFI app. As a first step towards
making these available outside lib/efi_loader, create a separate header
file and include it where needed. Add proper comments to the functions,
since many are missing at present.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
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Signed-off-by: Adriano Cordova <adriano.cordova@canonical.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
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Do not try to create an initrd device path nor try to register
an initrd with the EFI_LOAD_FILE2_PROTOCOL if none is provided.
Handle initrd installation in efi_binary_run_dp with
efi_install_initrd, imitating what is done for the fdt.
Fixes: 36835a9105c ("efi_loader: binary_run: register an initrd")
Reported-by: Weizhao Ouyang <o451686892@gmail.com>
Signed-off-by: Adriano Cordova <adriano.cordova@canonical.com>
Tested-by: Weizhao Ouyang <o451686892@gmail.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
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Calling bootefi on an address that was loaded from memory (e.g., cramfs
or SPI flash via "sf read", etc.), currently results in the EFI binary
not being able to access the EFI image device path.
For example, iPXE would fail with an error "EFI could not get loaded
image's device path: Error 0x7f39e082 (https://ipxe.org/7f39e082)".
This is due to an incomplete special-case in efi_binary_run, where a new
device path was created but not used in all required places.
Fix the in-memory special case, set the "bootefi_device_path" to the
generated "file_path".
iPXE will now boot, and report the device path as
"/MemoryMapped(0x0,0xSTART,0xLEN)"
Signed-off-by: Christian Kohlschütter <christian@kohlschutter.com>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
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Add support to install an initrd when running an EFI binary
with efi_binary_run
Signed-off-by: Adriano Cordova <adriano.cordova@canonical.com>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
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In preparation to support mutiple efi net udevices. Add a device path
cache to support device paths from multiple ethernet udevices.
The device paths can be added to the cache before EFI gets initialized and
the protocols get installed.
Signed-off-by: Adriano Cordova <adriano.cordova@canonical.com>
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Finish off the implementation so it is possible to boot an EFI app over
a network.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Rather than setting up the global variables and then making the call,
pass them into function directly. This cleans up the code and makes it
all a bit easier to understand.
Signed-off-by: Simon Glass <sjg@chromium.org>
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This code is only needed if an invalid image/device path is passed in.
Move the code out to a caller where this can be dealt with. The normal
flow will provide these parameters.
Signed-off-by: Simon Glass <sjg@chromium.org>
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This uses a few global variables at present. With the bootflow we have
the required parameters, so add a function which accepts these. Update
the existing function to call the new one with the globals.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
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Provide these globals as parameters to this function, on the way to
making it possible to start an image without relying on the globals.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
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This function is not called from outside this file and has no entry in
the header file, so mark it static.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
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Move this code into a function so it can be called from elsewhere.
Note that the recently added network code uses the same
'global variable' approach. It could use a separate clean-up.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
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Set the device path of the efi boot device to an HTTP device path
(as formed by efi_dp_from_http) when the next boot stage is loaded
using wget (i.e., when wget is used with wget_info.set_bootdev=1).
When loaded from HTTP, the device path should account for it so that
the next boot stage is aware (e.g. grub only loads its http stack if
it itself was loaded from http, and it checks this from its device path).
Signed-off-by: Adriano Cordova <adrianox@gmail.com>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
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All call sites are using size rather than end addresses,
so instead - as previously done - calculating an end address
everywhere, just modify the function to use size and internally
calculate the end address
Cc: Heinrich Schuchardt <xypron.glpk@gmx.de>
Cc: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Cc: Patrick Wildt <pwildt@google.com>
Signed-off-by: Moritz Fischer <moritzf@google.com>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
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The function expects an end address but is being called with
an size instead.
Fixes: 6422820ac3 ("efi_loader: split unrelated code from efi_bootmgr.c")
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Moritz Fischer <moritzf@google.com>
Reviewed-by: Patrick Wildt <pwildt@google.com>
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Allow appending a device-path to a device-path that contains an end node
as separator. We need this feature for creating boot options specifying
kernel, initrd, and dtb.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
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We should not try to remove protocol interfaces from a NULL handle.
efi_run_image() should always return the return code of the executed EFI
binary.
Fixes: 6422820ac3e5 ("efi_loader: split unrelated code from efi_bootmgr.c")
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
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Some code moved from cmd/bootefi.c is actually necessary only for "bootefi
<addr>" command (starting an image manually loaded by a user using U-Boot
load commands or other methods (like JTAG debugger).
The code will never been opted out as unused code by a compiler which
doesn't know how EFI boot manager is implemented. So introduce a new
configuration, CONFIG_EFI_BINARY_EXEC, to enforce them opted out
explicitly.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
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